ax_event_generator_unittest.cc 119 KB

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  1. // Copyright 2017 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #include "ui/accessibility/ax_event_generator.h"
  5. #include "testing/gmock/include/gmock/gmock-matchers.h"
  6. #include "testing/gmock/include/gmock/gmock.h"
  7. #include "testing/gtest/include/gtest/gtest.h"
  8. #include "ui/accessibility/ax_enums.mojom.h"
  9. #include "ui/accessibility/ax_node.h"
  10. #include "ui/accessibility/ax_serializable_tree.h"
  11. #include "ui/accessibility/ax_tree.h"
  12. #include "ui/accessibility/ax_tree_serializer.h"
  13. namespace ui {
  14. // Required by gmock to print TargetedEvent in a human-readable way.
  15. void PrintTo(const AXEventGenerator::TargetedEvent& event, std::ostream* os) {
  16. *os << event.event_params.event << " on " << event.node_id;
  17. }
  18. namespace {
  19. using testing::IsEmpty;
  20. using testing::IsSupersetOf;
  21. using testing::Matches;
  22. using testing::PrintToString;
  23. using testing::UnorderedElementsAre;
  24. // TODO(gilmanmh): Improve printing of test failure messages when the expected
  25. // values are themselves matchers (e.g. Not(3)).
  26. MATCHER_P2(HasEventAtNode,
  27. expected_event_type,
  28. expected_node_id,
  29. std::string(negation ? "does not have" : "has") + " " +
  30. PrintToString(expected_event_type) + " on " +
  31. PrintToString(expected_node_id)) {
  32. const auto& event = arg;
  33. return Matches(expected_event_type)(event.event_params.event) &&
  34. Matches(expected_node_id)(event.node_id);
  35. }
  36. } // namespace
  37. TEST(AXEventGeneratorTest, IterateThroughEmptyEventSets) {
  38. // The event map contains the following:
  39. // node1, <>
  40. // node2, <>
  41. // node3, <IGNORED_CHANGED, SUBTREE_CREATED, NAME_CHANGED>
  42. // node4, <>
  43. // node5, <>
  44. // node6, <>
  45. // node7, <IGNORED_CHANGED>
  46. // node8, <>
  47. // node9, <>
  48. // Verify AXEventGenerator can iterate through empty event sets, and returning
  49. // the correct events.
  50. AXTreeUpdate initial_state;
  51. initial_state.root_id = 1;
  52. initial_state.nodes.resize(9);
  53. initial_state.nodes[0].id = 1;
  54. initial_state.nodes[0].child_ids.push_back(2);
  55. initial_state.nodes[1].id = 2;
  56. initial_state.nodes[1].child_ids.push_back(3);
  57. initial_state.nodes[2].id = 3;
  58. initial_state.nodes[2].child_ids.push_back(4);
  59. initial_state.nodes[3].id = 4;
  60. initial_state.nodes[3].child_ids.push_back(5);
  61. initial_state.nodes[4].id = 5;
  62. initial_state.nodes[4].child_ids.push_back(6);
  63. initial_state.nodes[5].id = 6;
  64. initial_state.nodes[5].child_ids.push_back(7);
  65. initial_state.nodes[6].id = 7;
  66. initial_state.nodes[6].child_ids.push_back(8);
  67. initial_state.nodes[7].id = 8;
  68. initial_state.nodes[7].child_ids.push_back(9);
  69. initial_state.nodes[8].id = 9;
  70. initial_state.has_tree_data = true;
  71. AXTree tree(initial_state);
  72. AXEventGenerator event_generator(&tree);
  73. AXNode* node1 = tree.root();
  74. AXNode* node2 = tree.GetFromId(2);
  75. AXNode* node3 = tree.GetFromId(3);
  76. AXNode* node4 = tree.GetFromId(4);
  77. AXNode* node5 = tree.GetFromId(5);
  78. AXNode* node6 = tree.GetFromId(6);
  79. AXNode* node7 = tree.GetFromId(7);
  80. AXNode* node8 = tree.GetFromId(8);
  81. AXNode* node9 = tree.GetFromId(9);
  82. // Node1 contains no event.
  83. std::set<AXEventGenerator::EventParams> node1_events;
  84. // Node2 contains no event.
  85. std::set<AXEventGenerator::EventParams> node2_events;
  86. // Node3 contains IGNORED_CHANGED, SUBTREE_CREATED, NAME_CHANGED.
  87. std::set<AXEventGenerator::EventParams> node3_events;
  88. node3_events.emplace(AXEventGenerator::Event::IGNORED_CHANGED,
  89. ax::mojom::EventFrom::kNone, ax::mojom::Action::kNone,
  90. std::vector<AXEventIntent>());
  91. node3_events.emplace(AXEventGenerator::Event::SUBTREE_CREATED,
  92. ax::mojom::EventFrom::kNone, ax::mojom::Action::kNone,
  93. std::vector<AXEventIntent>());
  94. node3_events.emplace(AXEventGenerator::Event::NAME_CHANGED,
  95. ax::mojom::EventFrom::kNone, ax::mojom::Action::kNone,
  96. std::vector<AXEventIntent>());
  97. // Node4 contains no event.
  98. std::set<AXEventGenerator::EventParams> node4_events;
  99. // Node5 contains no event.
  100. std::set<AXEventGenerator::EventParams> node5_events;
  101. // Node6 contains no event.
  102. std::set<AXEventGenerator::EventParams> node6_events;
  103. // Node7 contains IGNORED_CHANGED.
  104. std::set<AXEventGenerator::EventParams> node7_events;
  105. node7_events.emplace(AXEventGenerator::Event::IGNORED_CHANGED,
  106. ax::mojom::EventFrom::kNone, ax::mojom::Action::kNone,
  107. std::vector<AXEventIntent>());
  108. // Node8 contains no event.
  109. std::set<AXEventGenerator::EventParams> node8_events;
  110. // Node9 contains no event.
  111. std::set<AXEventGenerator::EventParams> node9_events;
  112. event_generator.AddEventsForTesting(*node1, node1_events);
  113. event_generator.AddEventsForTesting(*node2, node2_events);
  114. event_generator.AddEventsForTesting(*node3, node3_events);
  115. event_generator.AddEventsForTesting(*node4, node4_events);
  116. event_generator.AddEventsForTesting(*node5, node5_events);
  117. event_generator.AddEventsForTesting(*node6, node6_events);
  118. event_generator.AddEventsForTesting(*node7, node7_events);
  119. event_generator.AddEventsForTesting(*node8, node8_events);
  120. event_generator.AddEventsForTesting(*node9, node9_events);
  121. std::map<AXNode*, std::set<AXEventGenerator::Event>> expected_event_map;
  122. expected_event_map[node3] = {AXEventGenerator::Event::IGNORED_CHANGED,
  123. AXEventGenerator::Event::SUBTREE_CREATED,
  124. AXEventGenerator::Event::NAME_CHANGED};
  125. expected_event_map[node7] = {AXEventGenerator::Event::IGNORED_CHANGED};
  126. for (const auto& targeted_event : event_generator) {
  127. AXNode* node = tree.GetFromId(targeted_event.node_id);
  128. ASSERT_NE(nullptr, node);
  129. auto map_iter = expected_event_map.find(node);
  130. ASSERT_NE(map_iter, expected_event_map.end())
  131. << "|expected_event_map| contains node_id=" << targeted_event.node_id
  132. << "\nExpected: true"
  133. << "\nActual: " << std::boolalpha
  134. << (map_iter != expected_event_map.end());
  135. std::set<AXEventGenerator::Event>& node_events = map_iter->second;
  136. auto event_iter = node_events.find(targeted_event.event_params.event);
  137. ASSERT_NE(event_iter, node_events.end())
  138. << "Event=" << targeted_event.event_params.event
  139. << ", on node_id=" << targeted_event.node_id
  140. << " NOT found in |expected_event_map|";
  141. // If the event from |event_generator| is found in |expected_event_map|,
  142. // we want to delete the corresponding entry in |expected_event_map|.
  143. node_events.erase(event_iter);
  144. if (node_events.empty())
  145. expected_event_map.erase(map_iter);
  146. }
  147. // We should expect |expected_event_map_| to be empty, when all the generated
  148. // events match expected events.
  149. EXPECT_TRUE(expected_event_map.empty());
  150. }
  151. TEST(AXEventGeneratorTest, DocumentSelectionChanged) {
  152. AXTreeUpdate initial_state;
  153. initial_state.root_id = 1;
  154. initial_state.nodes.resize(1);
  155. initial_state.nodes[0].id = 1;
  156. initial_state.has_tree_data = true;
  157. initial_state.tree_data.sel_focus_object_id = 1;
  158. initial_state.tree_data.sel_focus_offset = 1;
  159. AXTree tree(initial_state);
  160. AXEventGenerator event_generator(&tree);
  161. ASSERT_THAT(event_generator, IsEmpty());
  162. AXTreeUpdate update = initial_state;
  163. update.tree_data.sel_focus_offset = 2;
  164. ASSERT_TRUE(tree.Unserialize(update));
  165. EXPECT_THAT(event_generator,
  166. UnorderedElementsAre(HasEventAtNode(
  167. AXEventGenerator::Event::DOCUMENT_SELECTION_CHANGED, 1)));
  168. }
  169. TEST(AXEventGeneratorTest, DocumentTitleChanged) {
  170. AXTreeUpdate initial_state;
  171. initial_state.root_id = 1;
  172. initial_state.nodes.resize(1);
  173. initial_state.nodes[0].id = 1;
  174. initial_state.has_tree_data = true;
  175. initial_state.tree_data.title = "Before";
  176. AXTree tree(initial_state);
  177. AXEventGenerator event_generator(&tree);
  178. ASSERT_THAT(event_generator, IsEmpty());
  179. AXTreeUpdate update = initial_state;
  180. update.tree_data.title = "After";
  181. ASSERT_TRUE(tree.Unserialize(update));
  182. EXPECT_THAT(event_generator,
  183. UnorderedElementsAre(HasEventAtNode(
  184. AXEventGenerator::Event::DOCUMENT_TITLE_CHANGED, 1)));
  185. }
  186. TEST(AXEventGeneratorTest, ExpandedAndRowCount) {
  187. AXTreeUpdate initial_state;
  188. initial_state.root_id = 1;
  189. initial_state.nodes.resize(4);
  190. initial_state.nodes[0].id = 1;
  191. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  192. initial_state.nodes[0].child_ids.push_back(2);
  193. initial_state.nodes[0].child_ids.push_back(4);
  194. initial_state.nodes[1].id = 2;
  195. initial_state.nodes[1].role = ax::mojom::Role::kTable;
  196. initial_state.nodes[1].child_ids.push_back(3);
  197. initial_state.nodes[2].id = 3;
  198. initial_state.nodes[2].role = ax::mojom::Role::kRow;
  199. initial_state.nodes[3].id = 4;
  200. initial_state.nodes[3].role = ax::mojom::Role::kPopUpButton;
  201. initial_state.nodes[3].AddState(ax::mojom::State::kExpanded);
  202. AXTree tree(initial_state);
  203. AXEventGenerator event_generator(&tree);
  204. ASSERT_THAT(event_generator, IsEmpty());
  205. AXTreeUpdate update = initial_state;
  206. update.nodes[2].AddState(ax::mojom::State::kExpanded);
  207. update.nodes[3].state = 0;
  208. ASSERT_TRUE(tree.Unserialize(update));
  209. EXPECT_THAT(
  210. event_generator,
  211. UnorderedElementsAre(
  212. HasEventAtNode(AXEventGenerator::Event::COLLAPSED, 4),
  213. HasEventAtNode(AXEventGenerator::Event::EXPANDED, 3),
  214. HasEventAtNode(AXEventGenerator::Event::ROW_COUNT_CHANGED, 2),
  215. HasEventAtNode(AXEventGenerator::Event::STATE_CHANGED, 3),
  216. HasEventAtNode(AXEventGenerator::Event::WIN_IACCESSIBLE_STATE_CHANGED,
  217. 3),
  218. HasEventAtNode(AXEventGenerator::Event::STATE_CHANGED, 4),
  219. HasEventAtNode(AXEventGenerator::Event::WIN_IACCESSIBLE_STATE_CHANGED,
  220. 4)));
  221. }
  222. TEST(AXEventGeneratorTest, SelectedAndSelectedChildren) {
  223. AXTreeUpdate initial_state;
  224. initial_state.root_id = 1;
  225. initial_state.nodes.resize(4);
  226. initial_state.nodes[0].id = 1;
  227. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  228. initial_state.nodes[0].child_ids.push_back(2);
  229. initial_state.nodes[0].child_ids.push_back(4);
  230. initial_state.nodes[1].id = 2;
  231. initial_state.nodes[1].role = ax::mojom::Role::kMenu;
  232. initial_state.nodes[1].child_ids.push_back(3);
  233. initial_state.nodes[2].id = 3;
  234. initial_state.nodes[2].role = ax::mojom::Role::kMenuItem;
  235. initial_state.nodes[3].id = 4;
  236. initial_state.nodes[3].role = ax::mojom::Role::kListBoxOption;
  237. initial_state.nodes[3].AddBoolAttribute(ax::mojom::BoolAttribute::kSelected,
  238. true);
  239. AXTree tree(initial_state);
  240. AXEventGenerator event_generator(&tree);
  241. ASSERT_THAT(event_generator, IsEmpty());
  242. AXTreeUpdate update = initial_state;
  243. update.nodes[2].AddBoolAttribute(ax::mojom::BoolAttribute::kSelected, true);
  244. update.nodes.pop_back();
  245. update.nodes.emplace_back();
  246. update.nodes[3].id = 4;
  247. update.nodes[3].role = ax::mojom::Role::kListBoxOption;
  248. update.nodes[3].AddBoolAttribute(ax::mojom::BoolAttribute::kSelected, false);
  249. ASSERT_TRUE(tree.Unserialize(update));
  250. EXPECT_THAT(
  251. event_generator,
  252. UnorderedElementsAre(
  253. HasEventAtNode(AXEventGenerator::Event::SELECTED_CHILDREN_CHANGED, 2),
  254. HasEventAtNode(AXEventGenerator::Event::SELECTED_CHANGED, 3),
  255. HasEventAtNode(AXEventGenerator::Event::WIN_IACCESSIBLE_STATE_CHANGED,
  256. 3),
  257. HasEventAtNode(AXEventGenerator::Event::SELECTED_CHANGED, 4),
  258. HasEventAtNode(AXEventGenerator::Event::WIN_IACCESSIBLE_STATE_CHANGED,
  259. 4)));
  260. }
  261. TEST(AXEventGeneratorTest, SelectedAndSelectedValueChanged) {
  262. // This test is based on the following HTML snippet which produces the below
  263. // simplified accessibility tree.
  264. //
  265. // <select>
  266. // <option selected>Item 1</option>
  267. // <option>Item 2</option>
  268. // </select>
  269. // <select size="2">
  270. // <option>Item 1</option>
  271. // <option selected>Item 2</option>
  272. // </select>
  273. //
  274. // kRootWebArea
  275. // ++kPopUpButton value="Item 1"
  276. // ++++kMenuListPopup invisible
  277. // ++++++kMenuListOption name="Item 1" selected=true
  278. // ++++++kMenuListOption name="Item 2" selected=false
  279. // ++kListBox value="Item 2"
  280. // ++++kListBoxOption name="Item 1" selected=false
  281. // ++++kListBoxOption name="Item 2" selected=true
  282. AXNodeData root;
  283. root.id = 1;
  284. root.role = ax::mojom::Role::kRootWebArea;
  285. AXNodeData popup_button;
  286. popup_button.id = 2;
  287. popup_button.role = ax::mojom::Role::kPopUpButton;
  288. popup_button.SetValue("Item 1");
  289. AXNodeData menu_list_popup;
  290. menu_list_popup.id = 3;
  291. menu_list_popup.role = ax::mojom::Role::kMenuListPopup;
  292. menu_list_popup.AddState(ax::mojom::State::kInvisible);
  293. AXNodeData menu_list_option_1;
  294. menu_list_option_1.id = 4;
  295. menu_list_option_1.role = ax::mojom::Role::kMenuListOption;
  296. menu_list_option_1.SetName("Item 1");
  297. menu_list_option_1.AddBoolAttribute(ax::mojom::BoolAttribute::kSelected,
  298. true);
  299. AXNodeData menu_list_option_2;
  300. menu_list_option_2.id = 5;
  301. menu_list_option_2.role = ax::mojom::Role::kMenuListOption;
  302. menu_list_option_2.SetName("Item 2");
  303. AXNodeData list_box;
  304. list_box.id = 6;
  305. list_box.role = ax::mojom::Role::kListBox;
  306. list_box.SetValue("Item 2");
  307. AXNodeData list_box_option_1;
  308. list_box_option_1.id = 7;
  309. list_box_option_1.role = ax::mojom::Role::kListBoxOption;
  310. list_box_option_1.SetName("Item 1");
  311. AXNodeData list_box_option_2;
  312. list_box_option_2.id = 8;
  313. list_box_option_2.role = ax::mojom::Role::kRootWebArea;
  314. list_box_option_2.SetName("Item 2");
  315. list_box_option_2.AddBoolAttribute(ax::mojom::BoolAttribute::kSelected, true);
  316. popup_button.child_ids = {menu_list_popup.id};
  317. menu_list_popup.child_ids = {menu_list_option_1.id, menu_list_option_2.id};
  318. list_box.child_ids = {list_box_option_1.id, list_box_option_2.id};
  319. root.child_ids = {popup_button.id, list_box.id};
  320. AXTreeUpdate initial_state;
  321. initial_state.root_id = root.id;
  322. initial_state.nodes = {root,
  323. popup_button,
  324. menu_list_popup,
  325. menu_list_option_1,
  326. menu_list_option_2,
  327. list_box,
  328. list_box_option_1,
  329. list_box_option_2};
  330. AXTree tree(initial_state);
  331. AXEventGenerator event_generator(&tree);
  332. ASSERT_THAT(event_generator, IsEmpty());
  333. popup_button.SetValue("Item 2");
  334. menu_list_option_1.RemoveBoolAttribute(ax::mojom::BoolAttribute::kSelected);
  335. menu_list_option_2.AddBoolAttribute(ax::mojom::BoolAttribute::kSelected,
  336. true);
  337. list_box.SetValue("Item 1");
  338. list_box_option_1.AddBoolAttribute(ax::mojom::BoolAttribute::kSelected, true);
  339. list_box_option_2.RemoveBoolAttribute(ax::mojom::BoolAttribute::kSelected);
  340. AXTreeUpdate update;
  341. update.nodes = {popup_button, menu_list_option_1, menu_list_option_2,
  342. list_box, list_box_option_1, list_box_option_2};
  343. ASSERT_TRUE(tree.Unserialize(update));
  344. EXPECT_THAT(
  345. event_generator,
  346. IsSupersetOf(
  347. {HasEventAtNode(AXEventGenerator::Event::SELECTED_VALUE_CHANGED,
  348. popup_button.id),
  349. HasEventAtNode(AXEventGenerator::Event::SELECTED_CHANGED,
  350. menu_list_option_1.id),
  351. HasEventAtNode(AXEventGenerator::Event::SELECTED_CHANGED,
  352. menu_list_option_2.id),
  353. HasEventAtNode(AXEventGenerator::Event::SELECTED_VALUE_CHANGED,
  354. list_box.id),
  355. HasEventAtNode(AXEventGenerator::Event::SELECTED_CHANGED,
  356. list_box_option_1.id),
  357. HasEventAtNode(AXEventGenerator::Event::SELECTED_CHANGED,
  358. list_box_option_2.id)}));
  359. }
  360. TEST(AXEventGeneratorTest, SelectionInTextFieldChanged) {
  361. AXNodeData root;
  362. root.id = 1;
  363. root.role = ax::mojom::Role::kRootWebArea;
  364. AXNodeData text_field;
  365. text_field.id = 2;
  366. text_field.role = ax::mojom::Role::kTextField;
  367. text_field.SetValue("Testing");
  368. text_field.AddState(ax::mojom::State::kEditable);
  369. root.child_ids = {text_field.id};
  370. AXTreeUpdate initial_state;
  371. initial_state.root_id = root.id;
  372. initial_state.nodes = {root, text_field};
  373. AXTreeData tree_data;
  374. tree_data.sel_anchor_object_id = text_field.id;
  375. tree_data.sel_anchor_offset = 0;
  376. tree_data.sel_focus_object_id = text_field.id;
  377. tree_data.sel_focus_offset = 0;
  378. initial_state.tree_data = tree_data;
  379. initial_state.has_tree_data = true;
  380. AXTree tree(initial_state);
  381. AXEventGenerator event_generator(&tree);
  382. ASSERT_THAT(event_generator, IsEmpty());
  383. {
  384. tree_data.sel_anchor_object_id = text_field.id;
  385. tree_data.sel_anchor_offset = 0;
  386. tree_data.sel_focus_object_id = text_field.id;
  387. tree_data.sel_focus_offset = 2;
  388. AXTreeUpdate update;
  389. update.tree_data = tree_data;
  390. update.has_tree_data = true;
  391. ASSERT_TRUE(tree.Unserialize(update));
  392. EXPECT_THAT(
  393. event_generator,
  394. UnorderedElementsAre(
  395. HasEventAtNode(AXEventGenerator::Event::DOCUMENT_SELECTION_CHANGED,
  396. root.id),
  397. HasEventAtNode(AXEventGenerator::Event::TEXT_SELECTION_CHANGED,
  398. text_field.id)));
  399. }
  400. event_generator.ClearEvents();
  401. {
  402. // A selection that does not include a text field in it should not raise the
  403. // "TEXT_SELECTION_CHANGED" event.
  404. tree_data.sel_anchor_object_id = root.id;
  405. tree_data.sel_anchor_offset = 0;
  406. tree_data.sel_focus_object_id = root.id;
  407. tree_data.sel_focus_offset = 0;
  408. AXTreeUpdate update;
  409. update.tree_data = tree_data;
  410. update.has_tree_data = true;
  411. ASSERT_TRUE(tree.Unserialize(update));
  412. EXPECT_THAT(
  413. event_generator,
  414. UnorderedElementsAre(HasEventAtNode(
  415. AXEventGenerator::Event::DOCUMENT_SELECTION_CHANGED, root.id)));
  416. }
  417. event_generator.ClearEvents();
  418. {
  419. // A selection that spans more than one node but which nevertheless ends on
  420. // a text field should still raise the "TEXT_SELECTION_CHANGED"
  421. // event.
  422. tree_data.sel_anchor_object_id = root.id;
  423. tree_data.sel_anchor_offset = 0;
  424. tree_data.sel_focus_object_id = text_field.id;
  425. tree_data.sel_focus_offset = 2;
  426. AXTreeUpdate update;
  427. update.tree_data = tree_data;
  428. update.has_tree_data = true;
  429. ASSERT_TRUE(tree.Unserialize(update));
  430. EXPECT_THAT(
  431. event_generator,
  432. UnorderedElementsAre(
  433. HasEventAtNode(AXEventGenerator::Event::DOCUMENT_SELECTION_CHANGED,
  434. root.id),
  435. HasEventAtNode(AXEventGenerator::Event::TEXT_SELECTION_CHANGED,
  436. text_field.id)));
  437. }
  438. }
  439. TEST(AXEventGeneratorTest, ValueInTextFieldChanged) {
  440. AXNodeData text_field;
  441. text_field.id = 1;
  442. text_field.role = ax::mojom::Role::kTextField;
  443. text_field.AddState(ax::mojom::State::kEditable);
  444. text_field.SetValue("Before");
  445. AXTreeUpdate initial_state;
  446. initial_state.root_id = text_field.id;
  447. initial_state.nodes = {text_field};
  448. AXTree tree(initial_state);
  449. AXEventGenerator event_generator(&tree);
  450. ASSERT_THAT(event_generator, IsEmpty());
  451. text_field.SetValue("After");
  452. AXTreeUpdate update;
  453. update.nodes = {text_field};
  454. ASSERT_TRUE(tree.Unserialize(update));
  455. EXPECT_THAT(event_generator,
  456. UnorderedElementsAre(HasEventAtNode(
  457. AXEventGenerator::Event::VALUE_IN_TEXT_FIELD_CHANGED,
  458. text_field.id)));
  459. }
  460. TEST(AXEventGeneratorTest, FloatValueChanged) {
  461. AXTreeUpdate initial_state;
  462. initial_state.root_id = 1;
  463. initial_state.nodes.resize(1);
  464. initial_state.nodes[0].id = 1;
  465. initial_state.nodes[0].role = ax::mojom::Role::kSlider;
  466. initial_state.nodes[0].AddFloatAttribute(
  467. ax::mojom::FloatAttribute::kValueForRange, 1.0);
  468. AXTree tree(initial_state);
  469. AXEventGenerator event_generator(&tree);
  470. ASSERT_THAT(event_generator, IsEmpty());
  471. AXTreeUpdate update = initial_state;
  472. update.nodes[0].float_attributes.clear();
  473. update.nodes[0].AddFloatAttribute(ax::mojom::FloatAttribute::kValueForRange,
  474. 2.0);
  475. ASSERT_TRUE(tree.Unserialize(update));
  476. EXPECT_THAT(event_generator,
  477. UnorderedElementsAre(HasEventAtNode(
  478. AXEventGenerator::Event::RANGE_VALUE_CHANGED, 1)));
  479. }
  480. TEST(AXEventGeneratorTest, InvalidStatusChanged) {
  481. AXNodeData text_field;
  482. text_field.id = 1;
  483. text_field.role = ax::mojom::Role::kTextField;
  484. text_field.AddState(ax::mojom::State::kEditable);
  485. text_field.AddStringAttribute(ax::mojom::StringAttribute::kValue, "Text");
  486. AXTreeUpdate initial_state;
  487. initial_state.root_id = text_field.id;
  488. initial_state.nodes = {text_field};
  489. AXTree tree(initial_state);
  490. AXEventGenerator event_generator(&tree);
  491. ASSERT_THAT(event_generator, IsEmpty());
  492. AXTreeUpdate update;
  493. text_field.SetInvalidState(ax::mojom::InvalidState::kTrue);
  494. update.nodes = {text_field};
  495. ASSERT_TRUE(tree.Unserialize(update));
  496. EXPECT_THAT(event_generator,
  497. UnorderedElementsAre(HasEventAtNode(
  498. AXEventGenerator::Event::INVALID_STATUS_CHANGED, 1)));
  499. }
  500. TEST(AXEventGeneratorTest, AddLiveRegionAttribute) {
  501. AXTreeUpdate initial_state;
  502. initial_state.root_id = 1;
  503. initial_state.nodes.resize(1);
  504. initial_state.nodes[0].id = 1;
  505. AXTree tree(initial_state);
  506. AXEventGenerator event_generator(&tree);
  507. ASSERT_THAT(event_generator, IsEmpty());
  508. AXTreeUpdate update = initial_state;
  509. update.nodes[0].AddStringAttribute(ax::mojom::StringAttribute::kLiveStatus,
  510. "polite");
  511. ASSERT_TRUE(tree.Unserialize(update));
  512. EXPECT_THAT(
  513. event_generator,
  514. UnorderedElementsAre(
  515. HasEventAtNode(AXEventGenerator::Event::LIVE_STATUS_CHANGED, 1),
  516. HasEventAtNode(AXEventGenerator::Event::LIVE_REGION_CREATED, 1)));
  517. event_generator.ClearEvents();
  518. update.nodes[0].AddStringAttribute(ax::mojom::StringAttribute::kLiveStatus,
  519. "assertive");
  520. ASSERT_TRUE(tree.Unserialize(update));
  521. EXPECT_THAT(event_generator,
  522. UnorderedElementsAre(HasEventAtNode(
  523. AXEventGenerator::Event::LIVE_STATUS_CHANGED, 1)));
  524. event_generator.ClearEvents();
  525. update.nodes[0].AddStringAttribute(ax::mojom::StringAttribute::kLiveStatus,
  526. "off");
  527. ASSERT_TRUE(tree.Unserialize(update));
  528. EXPECT_THAT(event_generator,
  529. UnorderedElementsAre(HasEventAtNode(
  530. AXEventGenerator::Event::LIVE_STATUS_CHANGED, 1)));
  531. }
  532. TEST(AXEventGeneratorTest, CheckedStateChanged) {
  533. AXTreeUpdate initial_state;
  534. initial_state.root_id = 1;
  535. initial_state.nodes.resize(1);
  536. initial_state.nodes[0].id = 1;
  537. initial_state.nodes[0].role = ax::mojom::Role::kCheckBox;
  538. AXTree tree(initial_state);
  539. AXEventGenerator event_generator(&tree);
  540. ASSERT_THAT(event_generator, IsEmpty());
  541. AXTreeUpdate update = initial_state;
  542. update.nodes[0].SetCheckedState(ax::mojom::CheckedState::kTrue);
  543. ASSERT_TRUE(tree.Unserialize(update));
  544. EXPECT_THAT(
  545. event_generator,
  546. UnorderedElementsAre(
  547. HasEventAtNode(AXEventGenerator::Event::CHECKED_STATE_CHANGED, 1),
  548. HasEventAtNode(AXEventGenerator::Event::WIN_IACCESSIBLE_STATE_CHANGED,
  549. 1)));
  550. }
  551. TEST(AXEventGeneratorTest, ActiveDescendantChanged) {
  552. AXTreeUpdate initial_state;
  553. initial_state.root_id = 1;
  554. initial_state.nodes.resize(3);
  555. initial_state.nodes[0].id = 1;
  556. initial_state.nodes[0].role = ax::mojom::Role::kListBox;
  557. initial_state.nodes[0].child_ids.push_back(2);
  558. initial_state.nodes[0].child_ids.push_back(3);
  559. initial_state.nodes[0].AddIntAttribute(
  560. ax::mojom::IntAttribute::kActivedescendantId, 2);
  561. initial_state.nodes[1].id = 2;
  562. initial_state.nodes[1].role = ax::mojom::Role::kListBoxOption;
  563. initial_state.nodes[2].id = 3;
  564. initial_state.nodes[2].role = ax::mojom::Role::kListBoxOption;
  565. AXTree tree(initial_state);
  566. AXEventGenerator event_generator(&tree);
  567. ASSERT_THAT(event_generator, IsEmpty());
  568. AXTreeUpdate update = initial_state;
  569. update.nodes[0].int_attributes.clear();
  570. update.nodes[0].AddIntAttribute(ax::mojom::IntAttribute::kActivedescendantId,
  571. 3);
  572. ASSERT_TRUE(tree.Unserialize(update));
  573. EXPECT_THAT(
  574. event_generator,
  575. UnorderedElementsAre(
  576. HasEventAtNode(AXEventGenerator::Event::ACTIVE_DESCENDANT_CHANGED, 1),
  577. HasEventAtNode(AXEventGenerator::Event::RELATED_NODE_CHANGED, 1)));
  578. }
  579. TEST(AXEventGeneratorTest, CreateAlertAndLiveRegion) {
  580. AXTreeUpdate initial_state;
  581. initial_state.root_id = 1;
  582. initial_state.nodes.resize(1);
  583. initial_state.nodes[0].id = 1;
  584. AXTree tree(initial_state);
  585. AXEventGenerator event_generator(&tree);
  586. ASSERT_THAT(event_generator, IsEmpty());
  587. AXTreeUpdate update = initial_state;
  588. update.nodes.resize(4);
  589. update.nodes[0].child_ids.push_back(2);
  590. update.nodes[0].child_ids.push_back(3);
  591. update.nodes[0].child_ids.push_back(4);
  592. update.nodes[1].id = 2;
  593. update.nodes[1].AddStringAttribute(ax::mojom::StringAttribute::kLiveStatus,
  594. "polite");
  595. // Blink should automatically add aria-live="assertive" to elements with role
  596. // kAlert, but we should fire an alert event regardless.
  597. update.nodes[2].id = 3;
  598. update.nodes[2].role = ax::mojom::Role::kAlert;
  599. // Elements with role kAlertDialog will *not* usually have a live region
  600. // status, but again, we should always fire an alert event.
  601. update.nodes[3].id = 4;
  602. update.nodes[3].role = ax::mojom::Role::kAlertDialog;
  603. ASSERT_TRUE(tree.Unserialize(update));
  604. EXPECT_THAT(
  605. event_generator,
  606. UnorderedElementsAre(
  607. HasEventAtNode(AXEventGenerator::Event::ALERT, 3),
  608. HasEventAtNode(AXEventGenerator::Event::ALERT, 4),
  609. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 1),
  610. HasEventAtNode(AXEventGenerator::Event::LIVE_REGION_CREATED, 2),
  611. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 2),
  612. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 3),
  613. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 4)));
  614. }
  615. TEST(AXEventGeneratorTest, LiveRegionChanged) {
  616. AXTreeUpdate initial_state;
  617. initial_state.root_id = 1;
  618. initial_state.nodes.resize(3);
  619. initial_state.nodes[0].id = 1;
  620. initial_state.nodes[0].AddStringAttribute(
  621. ax::mojom::StringAttribute::kLiveStatus, "polite");
  622. initial_state.nodes[0].AddStringAttribute(
  623. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  624. initial_state.nodes[0].child_ids.push_back(2);
  625. initial_state.nodes[0].child_ids.push_back(3);
  626. initial_state.nodes[1].id = 2;
  627. initial_state.nodes[1].role = ax::mojom::Role::kStaticText;
  628. initial_state.nodes[1].AddStringAttribute(
  629. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  630. initial_state.nodes[1].AddStringAttribute(ax::mojom::StringAttribute::kName,
  631. "Before 1");
  632. initial_state.nodes[2].id = 3;
  633. initial_state.nodes[2].role = ax::mojom::Role::kStaticText;
  634. initial_state.nodes[2].AddStringAttribute(
  635. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  636. initial_state.nodes[2].AddStringAttribute(ax::mojom::StringAttribute::kName,
  637. "Before 2");
  638. AXTree tree(initial_state);
  639. AXEventGenerator event_generator(&tree);
  640. ASSERT_THAT(event_generator, IsEmpty());
  641. AXTreeUpdate update = initial_state;
  642. update.nodes[1].string_attributes.clear();
  643. update.nodes[1].AddStringAttribute(
  644. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  645. update.nodes[1].AddStringAttribute(ax::mojom::StringAttribute::kName,
  646. "After 1");
  647. update.nodes[2].string_attributes.clear();
  648. update.nodes[2].AddStringAttribute(
  649. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  650. update.nodes[2].AddStringAttribute(ax::mojom::StringAttribute::kName,
  651. "After 2");
  652. ASSERT_TRUE(tree.Unserialize(update));
  653. EXPECT_THAT(
  654. event_generator,
  655. UnorderedElementsAre(
  656. HasEventAtNode(AXEventGenerator::Event::LIVE_REGION_CHANGED, 1),
  657. HasEventAtNode(AXEventGenerator::Event::LIVE_REGION_NODE_CHANGED, 2),
  658. HasEventAtNode(AXEventGenerator::Event::LIVE_REGION_NODE_CHANGED, 3),
  659. HasEventAtNode(AXEventGenerator::Event::NAME_CHANGED, 2),
  660. HasEventAtNode(AXEventGenerator::Event::NAME_CHANGED, 3)));
  661. }
  662. TEST(AXEventGeneratorTest, LiveRegionOnlyTextChanges) {
  663. AXTreeUpdate initial_state;
  664. initial_state.root_id = 1;
  665. initial_state.nodes.resize(3);
  666. initial_state.nodes[0].id = 1;
  667. initial_state.nodes[0].AddStringAttribute(
  668. ax::mojom::StringAttribute::kLiveStatus, "polite");
  669. initial_state.nodes[0].AddStringAttribute(
  670. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  671. initial_state.nodes[0].child_ids.push_back(2);
  672. initial_state.nodes[0].child_ids.push_back(3);
  673. initial_state.nodes[1].id = 2;
  674. initial_state.nodes[1].role = ax::mojom::Role::kStaticText;
  675. initial_state.nodes[1].AddStringAttribute(
  676. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  677. initial_state.nodes[1].AddStringAttribute(ax::mojom::StringAttribute::kName,
  678. "Before 1");
  679. initial_state.nodes[2].id = 3;
  680. initial_state.nodes[2].role = ax::mojom::Role::kStaticText;
  681. initial_state.nodes[2].AddStringAttribute(
  682. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  683. initial_state.nodes[2].AddStringAttribute(ax::mojom::StringAttribute::kName,
  684. "Before 2");
  685. AXTree tree(initial_state);
  686. AXEventGenerator event_generator(&tree);
  687. ASSERT_THAT(event_generator, IsEmpty());
  688. AXTreeUpdate update = initial_state;
  689. update.nodes[1].AddStringAttribute(ax::mojom::StringAttribute::kDescription,
  690. "Description 1");
  691. update.nodes[2].SetCheckedState(ax::mojom::CheckedState::kTrue);
  692. // Note that we do NOT expect a LIVE_REGION_CHANGED event here, because
  693. // the name did not change.
  694. ASSERT_TRUE(tree.Unserialize(update));
  695. EXPECT_THAT(
  696. event_generator,
  697. UnorderedElementsAre(
  698. HasEventAtNode(AXEventGenerator::Event::CHECKED_STATE_CHANGED, 3),
  699. HasEventAtNode(AXEventGenerator::Event::WIN_IACCESSIBLE_STATE_CHANGED,
  700. 3),
  701. HasEventAtNode(AXEventGenerator::Event::DESCRIPTION_CHANGED, 2)));
  702. }
  703. TEST(AXEventGeneratorTest, BusyLiveRegionChanged) {
  704. AXTreeUpdate initial_state;
  705. initial_state.root_id = 1;
  706. initial_state.nodes.resize(3);
  707. initial_state.nodes[0].id = 1;
  708. initial_state.nodes[0].AddStringAttribute(
  709. ax::mojom::StringAttribute::kLiveStatus, "polite");
  710. initial_state.nodes[0].AddStringAttribute(
  711. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  712. initial_state.nodes[0].AddBoolAttribute(ax::mojom::BoolAttribute::kBusy,
  713. true);
  714. initial_state.nodes[0].child_ids.push_back(2);
  715. initial_state.nodes[0].child_ids.push_back(3);
  716. initial_state.nodes[1].id = 2;
  717. initial_state.nodes[1].role = ax::mojom::Role::kStaticText;
  718. initial_state.nodes[1].AddStringAttribute(
  719. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  720. initial_state.nodes[1].AddStringAttribute(ax::mojom::StringAttribute::kName,
  721. "Before 1");
  722. initial_state.nodes[2].id = 3;
  723. initial_state.nodes[2].role = ax::mojom::Role::kStaticText;
  724. initial_state.nodes[2].AddStringAttribute(
  725. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  726. initial_state.nodes[2].AddStringAttribute(ax::mojom::StringAttribute::kName,
  727. "Before 2");
  728. AXTree tree(initial_state);
  729. AXEventGenerator event_generator(&tree);
  730. ASSERT_THAT(event_generator, IsEmpty());
  731. AXTreeUpdate update = initial_state;
  732. update.nodes[1].string_attributes.clear();
  733. update.nodes[1].AddStringAttribute(
  734. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  735. update.nodes[1].AddStringAttribute(ax::mojom::StringAttribute::kName,
  736. "After 1");
  737. update.nodes[2].string_attributes.clear();
  738. update.nodes[2].AddStringAttribute(
  739. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  740. update.nodes[2].AddStringAttribute(ax::mojom::StringAttribute::kName,
  741. "After 2");
  742. ASSERT_TRUE(tree.Unserialize(update));
  743. EXPECT_THAT(event_generator,
  744. UnorderedElementsAre(
  745. HasEventAtNode(AXEventGenerator::Event::NAME_CHANGED, 2),
  746. HasEventAtNode(AXEventGenerator::Event::NAME_CHANGED, 3)));
  747. }
  748. TEST(AXEventGeneratorTest, RemoveAriaLiveOffFromChild) {
  749. AXTreeUpdate initial_state;
  750. initial_state.root_id = 1;
  751. initial_state.nodes.resize(2);
  752. initial_state.nodes[0].id = 1;
  753. initial_state.nodes[1].id = 2;
  754. initial_state.nodes[0].child_ids = {2};
  755. initial_state.nodes[0].role = ax::mojom::Role::kGenericContainer;
  756. initial_state.nodes[0].AddStringAttribute(ax::mojom::StringAttribute::kName,
  757. "History");
  758. initial_state.nodes[0].AddStringAttribute(
  759. ax::mojom::StringAttribute::kLiveStatus, "polite");
  760. initial_state.nodes[0].AddStringAttribute(
  761. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  762. initial_state.nodes[1].role = ax::mojom::Role::kGenericContainer;
  763. initial_state.nodes[1].AddStringAttribute(ax::mojom::StringAttribute::kName,
  764. "New message");
  765. initial_state.nodes[1].AddStringAttribute(
  766. ax::mojom::StringAttribute::kLiveStatus, "off");
  767. initial_state.nodes[1].AddStringAttribute(
  768. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  769. AXTree tree(initial_state);
  770. AXEventGenerator event_generator(&tree);
  771. ASSERT_THAT(event_generator, IsEmpty());
  772. AXTreeUpdate update = initial_state;
  773. update.nodes[1].RemoveStringAttribute(
  774. ax::mojom::StringAttribute::kLiveStatus);
  775. ASSERT_TRUE(tree.Unserialize(update));
  776. EXPECT_THAT(
  777. event_generator,
  778. UnorderedElementsAre(
  779. HasEventAtNode(AXEventGenerator::Event::LIVE_STATUS_CHANGED, 2),
  780. HasEventAtNode(AXEventGenerator::Event::LIVE_REGION_CREATED, 2)));
  781. }
  782. TEST(AXEventGeneratorTest, AddChild) {
  783. AXTreeUpdate initial_state;
  784. initial_state.root_id = 1;
  785. initial_state.nodes.resize(2);
  786. initial_state.nodes[0].id = 1;
  787. initial_state.nodes[0].child_ids.push_back(2);
  788. initial_state.nodes[1].id = 2;
  789. AXTree tree(initial_state);
  790. AXEventGenerator event_generator(&tree);
  791. ASSERT_THAT(event_generator, IsEmpty());
  792. AXTreeUpdate update = initial_state;
  793. update.nodes.resize(3);
  794. update.nodes[0].child_ids.push_back(3);
  795. update.nodes[2].id = 3;
  796. ASSERT_TRUE(tree.Unserialize(update));
  797. EXPECT_THAT(event_generator,
  798. UnorderedElementsAre(
  799. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 1),
  800. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 3)));
  801. }
  802. TEST(AXEventGeneratorTest, RemoveChild) {
  803. AXTreeUpdate initial_state;
  804. initial_state.root_id = 1;
  805. initial_state.nodes.resize(3);
  806. initial_state.nodes[0].id = 1;
  807. initial_state.nodes[0].child_ids.push_back(2);
  808. initial_state.nodes[0].child_ids.push_back(3);
  809. initial_state.nodes[1].id = 2;
  810. initial_state.nodes[2].id = 3;
  811. AXTree tree(initial_state);
  812. AXEventGenerator event_generator(&tree);
  813. ASSERT_THAT(event_generator, IsEmpty());
  814. AXTreeUpdate update = initial_state;
  815. update.nodes.resize(2);
  816. update.nodes[0].child_ids.clear();
  817. update.nodes[0].child_ids.push_back(2);
  818. ASSERT_TRUE(tree.Unserialize(update));
  819. EXPECT_THAT(event_generator,
  820. UnorderedElementsAre(HasEventAtNode(
  821. AXEventGenerator::Event::CHILDREN_CHANGED, 1)));
  822. }
  823. TEST(AXEventGeneratorTest, ReorderChildren) {
  824. AXTreeUpdate initial_state;
  825. initial_state.root_id = 1;
  826. initial_state.nodes.resize(3);
  827. initial_state.nodes[0].id = 1;
  828. initial_state.nodes[0].child_ids.push_back(2);
  829. initial_state.nodes[0].child_ids.push_back(3);
  830. initial_state.nodes[1].id = 2;
  831. initial_state.nodes[2].id = 3;
  832. AXTree tree(initial_state);
  833. AXEventGenerator event_generator(&tree);
  834. ASSERT_THAT(event_generator, IsEmpty());
  835. AXTreeUpdate update = initial_state;
  836. update.nodes[0].child_ids.clear();
  837. update.nodes[0].child_ids.push_back(3);
  838. update.nodes[0].child_ids.push_back(2);
  839. ASSERT_TRUE(tree.Unserialize(update));
  840. EXPECT_THAT(event_generator,
  841. UnorderedElementsAre(HasEventAtNode(
  842. AXEventGenerator::Event::CHILDREN_CHANGED, 1)));
  843. }
  844. TEST(AXEventGeneratorTest, ScrollHorizontalPositionChanged) {
  845. AXTreeUpdate initial_state;
  846. initial_state.root_id = 1;
  847. initial_state.nodes.resize(1);
  848. initial_state.nodes[0].id = 1;
  849. AXTree tree(initial_state);
  850. AXEventGenerator event_generator(&tree);
  851. ASSERT_THAT(event_generator, IsEmpty());
  852. AXTreeUpdate update = initial_state;
  853. update.nodes[0].AddIntAttribute(ax::mojom::IntAttribute::kScrollX, 10);
  854. EXPECT_TRUE(tree.Unserialize(update));
  855. EXPECT_THAT(
  856. event_generator,
  857. UnorderedElementsAre(HasEventAtNode(
  858. AXEventGenerator::Event::SCROLL_HORIZONTAL_POSITION_CHANGED, 1)));
  859. }
  860. TEST(AXEventGeneratorTest, ScrollVerticalPositionChanged) {
  861. AXTreeUpdate initial_state;
  862. initial_state.root_id = 1;
  863. initial_state.nodes.resize(1);
  864. initial_state.nodes[0].id = 1;
  865. AXTree tree(initial_state);
  866. AXEventGenerator event_generator(&tree);
  867. ASSERT_THAT(event_generator, IsEmpty());
  868. AXTreeUpdate update = initial_state;
  869. update.nodes[0].AddIntAttribute(ax::mojom::IntAttribute::kScrollY, 10);
  870. ASSERT_TRUE(tree.Unserialize(update));
  871. EXPECT_THAT(
  872. event_generator,
  873. UnorderedElementsAre(HasEventAtNode(
  874. AXEventGenerator::Event::SCROLL_VERTICAL_POSITION_CHANGED, 1)));
  875. }
  876. TEST(AXEventGeneratorTest, TextAttributeChanged) {
  877. AXTreeUpdate initial_state;
  878. initial_state.root_id = 1;
  879. initial_state.nodes.resize(17);
  880. initial_state.nodes[0].id = 1;
  881. initial_state.nodes[0].child_ids = {2, 3, 4, 5, 6, 7, 8, 9,
  882. 10, 11, 12, 13, 14, 15, 16, 17};
  883. initial_state.nodes[1].id = 2;
  884. initial_state.nodes[2].id = 3;
  885. initial_state.nodes[3].id = 4;
  886. initial_state.nodes[4].id = 5;
  887. initial_state.nodes[5].id = 6;
  888. initial_state.nodes[6].id = 7;
  889. initial_state.nodes[7].id = 8;
  890. initial_state.nodes[8].id = 9;
  891. initial_state.nodes[9].id = 10;
  892. initial_state.nodes[10].id = 11;
  893. initial_state.nodes[11].id = 12;
  894. initial_state.nodes[12].id = 13;
  895. initial_state.nodes[13].id = 14;
  896. initial_state.nodes[14].id = 15;
  897. initial_state.nodes[15].id = 16;
  898. initial_state.nodes[16].id = 17;
  899. // To test changing the start and end of existing markers.
  900. initial_state.nodes[11].AddIntListAttribute(
  901. ax::mojom::IntListAttribute::kMarkerTypes,
  902. {static_cast<int32_t>(ax::mojom::MarkerType::kTextMatch)});
  903. initial_state.nodes[11].AddIntListAttribute(
  904. ax::mojom::IntListAttribute::kMarkerStarts, {5});
  905. initial_state.nodes[11].AddIntListAttribute(
  906. ax::mojom::IntListAttribute::kMarkerEnds, {10});
  907. AXTree tree(initial_state);
  908. AXEventGenerator event_generator(&tree);
  909. ASSERT_THAT(event_generator, IsEmpty());
  910. AXTreeUpdate update = initial_state;
  911. // 0 is the default int attribute value, so does not generate an event.
  912. // (id=2).
  913. update.nodes[1].AddIntAttribute(ax::mojom::IntAttribute::kColor, 0);
  914. // 0 is the default int attribute value, so does not generate an event.
  915. // (id=3).
  916. update.nodes[2].AddIntAttribute(ax::mojom::IntAttribute::kBackgroundColor, 0);
  917. update.nodes[3].AddIntAttribute(
  918. ax::mojom::IntAttribute::kTextDirection,
  919. static_cast<int32_t>(ax::mojom::WritingDirection::kRtl));
  920. update.nodes[4].AddIntAttribute(
  921. ax::mojom::IntAttribute::kTextPosition,
  922. static_cast<int32_t>(ax::mojom::TextPosition::kSuperscript));
  923. update.nodes[5].AddIntAttribute(
  924. ax::mojom::IntAttribute::kTextStyle,
  925. static_cast<int32_t>(ax::mojom::TextStyle::kBold));
  926. update.nodes[6].AddIntAttribute(
  927. ax::mojom::IntAttribute::kTextOverlineStyle,
  928. static_cast<int32_t>(ax::mojom::TextDecorationStyle::kSolid));
  929. update.nodes[7].AddIntAttribute(
  930. ax::mojom::IntAttribute::kTextStrikethroughStyle,
  931. static_cast<int32_t>(ax::mojom::TextDecorationStyle::kWavy));
  932. update.nodes[8].AddIntAttribute(
  933. ax::mojom::IntAttribute::kTextUnderlineStyle,
  934. static_cast<int32_t>(ax::mojom::TextDecorationStyle::kDotted));
  935. update.nodes[9].AddIntListAttribute(
  936. ax::mojom::IntListAttribute::kMarkerTypes,
  937. {static_cast<int32_t>(ax::mojom::MarkerType::kSpelling)});
  938. update.nodes[10].AddIntListAttribute(
  939. ax::mojom::IntListAttribute::kMarkerTypes,
  940. {static_cast<int32_t>(ax::mojom::MarkerType::kGrammar)});
  941. update.nodes[11].AddIntListAttribute(ax::mojom::IntListAttribute::kMarkerEnds,
  942. {11});
  943. update.nodes[12].AddIntListAttribute(
  944. ax::mojom::IntListAttribute::kMarkerTypes,
  945. {static_cast<int32_t>(ax::mojom::MarkerType::kActiveSuggestion)});
  946. update.nodes[13].AddIntListAttribute(
  947. ax::mojom::IntListAttribute::kMarkerTypes,
  948. {static_cast<int32_t>(ax::mojom::MarkerType::kSuggestion)});
  949. update.nodes[14].AddFloatAttribute(ax::mojom::FloatAttribute::kFontSize,
  950. 12.0f);
  951. update.nodes[15].AddFloatAttribute(ax::mojom::FloatAttribute::kFontWeight,
  952. 600.0f);
  953. update.nodes[16].AddStringAttribute(ax::mojom::StringAttribute::kFontFamily,
  954. "sans");
  955. ASSERT_TRUE(tree.Unserialize(update));
  956. EXPECT_THAT(
  957. event_generator,
  958. UnorderedElementsAre(
  959. HasEventAtNode(AXEventGenerator::Event::TEXT_ATTRIBUTE_CHANGED, 4),
  960. HasEventAtNode(AXEventGenerator::Event::TEXT_ATTRIBUTE_CHANGED, 5),
  961. HasEventAtNode(AXEventGenerator::Event::TEXT_ATTRIBUTE_CHANGED, 6),
  962. HasEventAtNode(AXEventGenerator::Event::TEXT_ATTRIBUTE_CHANGED, 7),
  963. HasEventAtNode(AXEventGenerator::Event::TEXT_ATTRIBUTE_CHANGED, 8),
  964. HasEventAtNode(AXEventGenerator::Event::TEXT_ATTRIBUTE_CHANGED, 9),
  965. HasEventAtNode(AXEventGenerator::Event::TEXT_ATTRIBUTE_CHANGED, 10),
  966. HasEventAtNode(AXEventGenerator::Event::TEXT_ATTRIBUTE_CHANGED, 11),
  967. HasEventAtNode(AXEventGenerator::Event::TEXT_ATTRIBUTE_CHANGED, 12),
  968. HasEventAtNode(AXEventGenerator::Event::TEXT_ATTRIBUTE_CHANGED, 13),
  969. HasEventAtNode(AXEventGenerator::Event::TEXT_ATTRIBUTE_CHANGED, 14),
  970. HasEventAtNode(AXEventGenerator::Event::TEXT_ATTRIBUTE_CHANGED, 15),
  971. HasEventAtNode(AXEventGenerator::Event::TEXT_ATTRIBUTE_CHANGED, 16),
  972. HasEventAtNode(AXEventGenerator::Event::TEXT_ATTRIBUTE_CHANGED, 17)));
  973. }
  974. TEST(AXEventGeneratorTest, ObjectAttributeChanged) {
  975. AXTreeUpdate initial_state;
  976. initial_state.root_id = 1;
  977. initial_state.nodes.resize(3);
  978. initial_state.nodes[0].id = 1;
  979. initial_state.nodes[0].child_ids = {2, 3};
  980. initial_state.nodes[1].id = 2;
  981. initial_state.nodes[2].id = 3;
  982. AXTree tree(initial_state);
  983. AXEventGenerator event_generator(&tree);
  984. ASSERT_THAT(event_generator, IsEmpty());
  985. AXTreeUpdate update = initial_state;
  986. update.nodes[1].AddIntAttribute(ax::mojom::IntAttribute::kTextAlign, 2);
  987. update.nodes[2].AddFloatAttribute(ax::mojom::FloatAttribute::kTextIndent,
  988. 10.0f);
  989. ASSERT_TRUE(tree.Unserialize(update));
  990. EXPECT_THAT(
  991. event_generator,
  992. UnorderedElementsAre(
  993. HasEventAtNode(
  994. AXEventGenerator::Event::ATK_TEXT_OBJECT_ATTRIBUTE_CHANGED, 2),
  995. HasEventAtNode(
  996. AXEventGenerator::Event::ATK_TEXT_OBJECT_ATTRIBUTE_CHANGED, 3),
  997. HasEventAtNode(AXEventGenerator::Event::OBJECT_ATTRIBUTE_CHANGED, 2),
  998. HasEventAtNode(AXEventGenerator::Event::OBJECT_ATTRIBUTE_CHANGED,
  999. 3)));
  1000. }
  1001. TEST(AXEventGeneratorTest, OtherAttributeChanged) {
  1002. AXTreeUpdate initial_state;
  1003. initial_state.root_id = 1;
  1004. initial_state.nodes.resize(6);
  1005. initial_state.nodes[0].id = 1;
  1006. initial_state.nodes[0].child_ids.push_back(2);
  1007. initial_state.nodes[0].child_ids.push_back(3);
  1008. initial_state.nodes[0].child_ids.push_back(4);
  1009. initial_state.nodes[0].child_ids.push_back(5);
  1010. initial_state.nodes[0].child_ids.push_back(6);
  1011. initial_state.nodes[1].id = 2;
  1012. initial_state.nodes[2].id = 3;
  1013. initial_state.nodes[3].id = 4;
  1014. initial_state.nodes[4].id = 5;
  1015. initial_state.nodes[5].id = 6;
  1016. AXTree tree(initial_state);
  1017. AXEventGenerator event_generator(&tree);
  1018. ASSERT_THAT(event_generator, IsEmpty());
  1019. AXTreeUpdate update = initial_state;
  1020. update.nodes[1].AddStringAttribute(ax::mojom::StringAttribute::kLanguage,
  1021. "de");
  1022. update.nodes[2].AddIntAttribute(ax::mojom::IntAttribute::kAriaCellColumnIndex,
  1023. 7);
  1024. update.nodes[3].AddFloatAttribute(ax::mojom::FloatAttribute::kFontSize,
  1025. 12.0f);
  1026. update.nodes[4].AddBoolAttribute(ax::mojom::BoolAttribute::kModal, true);
  1027. std::vector<int> ids = {2};
  1028. update.nodes[5].AddIntListAttribute(ax::mojom::IntListAttribute::kControlsIds,
  1029. ids);
  1030. ASSERT_TRUE(tree.Unserialize(update));
  1031. EXPECT_THAT(
  1032. event_generator,
  1033. UnorderedElementsAre(
  1034. HasEventAtNode(AXEventGenerator::Event::CONTROLS_CHANGED, 6),
  1035. HasEventAtNode(AXEventGenerator::Event::LANGUAGE_CHANGED, 2),
  1036. HasEventAtNode(AXEventGenerator::Event::OTHER_ATTRIBUTE_CHANGED, 3),
  1037. HasEventAtNode(AXEventGenerator::Event::TEXT_ATTRIBUTE_CHANGED, 4),
  1038. HasEventAtNode(AXEventGenerator::Event::OTHER_ATTRIBUTE_CHANGED, 5),
  1039. HasEventAtNode(AXEventGenerator::Event::RELATED_NODE_CHANGED, 6)));
  1040. }
  1041. TEST(AXEventGeneratorTest, NameChanged) {
  1042. AXTreeUpdate initial_state;
  1043. initial_state.root_id = 1;
  1044. initial_state.nodes.resize(2);
  1045. initial_state.nodes[0].id = 1;
  1046. initial_state.nodes[0].child_ids.push_back(2);
  1047. initial_state.nodes[1].id = 2;
  1048. AXTree tree(initial_state);
  1049. AXEventGenerator event_generator(&tree);
  1050. ASSERT_THAT(event_generator, IsEmpty());
  1051. AXTreeUpdate update = initial_state;
  1052. update.nodes[1].AddStringAttribute(ax::mojom::StringAttribute::kName,
  1053. "Hello");
  1054. ASSERT_TRUE(tree.Unserialize(update));
  1055. EXPECT_THAT(event_generator, UnorderedElementsAre(HasEventAtNode(
  1056. AXEventGenerator::Event::NAME_CHANGED, 2)));
  1057. }
  1058. TEST(AXEventGeneratorTest, DescriptionChanged) {
  1059. AXTreeUpdate initial_state;
  1060. initial_state.root_id = 1;
  1061. initial_state.nodes.resize(1);
  1062. initial_state.nodes[0].id = 1;
  1063. AXTree tree(initial_state);
  1064. AXEventGenerator event_generator(&tree);
  1065. ASSERT_THAT(event_generator, IsEmpty());
  1066. AXTreeUpdate update = initial_state;
  1067. update.nodes[0].AddStringAttribute(ax::mojom::StringAttribute::kDescription,
  1068. "Hello");
  1069. ASSERT_TRUE(tree.Unserialize(update));
  1070. EXPECT_THAT(event_generator,
  1071. UnorderedElementsAre(HasEventAtNode(
  1072. AXEventGenerator::Event::DESCRIPTION_CHANGED, 1)));
  1073. }
  1074. TEST(AXEventGeneratorTest, RoleChanged) {
  1075. AXTreeUpdate initial_state;
  1076. initial_state.root_id = 1;
  1077. initial_state.nodes.resize(1);
  1078. initial_state.nodes[0].id = 1;
  1079. AXTree tree(initial_state);
  1080. AXEventGenerator event_generator(&tree);
  1081. ASSERT_THAT(event_generator, IsEmpty());
  1082. AXTreeUpdate update = initial_state;
  1083. update.nodes[0].role = ax::mojom::Role::kCheckBox;
  1084. ASSERT_TRUE(tree.Unserialize(update));
  1085. EXPECT_THAT(event_generator, UnorderedElementsAre(HasEventAtNode(
  1086. AXEventGenerator::Event::ROLE_CHANGED, 1)));
  1087. }
  1088. TEST(AXEventGeneratorTest, MenuItemSelected) {
  1089. AXTreeUpdate initial_state;
  1090. initial_state.root_id = 1;
  1091. initial_state.nodes.resize(3);
  1092. initial_state.nodes[0].id = 1;
  1093. initial_state.nodes[0].role = ax::mojom::Role::kMenu;
  1094. initial_state.nodes[0].child_ids.push_back(2);
  1095. initial_state.nodes[0].child_ids.push_back(3);
  1096. initial_state.nodes[0].AddIntAttribute(
  1097. ax::mojom::IntAttribute::kActivedescendantId, 2);
  1098. initial_state.nodes[1].id = 2;
  1099. initial_state.nodes[1].role = ax::mojom::Role::kMenuListOption;
  1100. initial_state.nodes[2].id = 3;
  1101. initial_state.nodes[2].role = ax::mojom::Role::kMenuListOption;
  1102. AXTree tree(initial_state);
  1103. AXEventGenerator event_generator(&tree);
  1104. ASSERT_THAT(event_generator, IsEmpty());
  1105. AXTreeUpdate update = initial_state;
  1106. update.nodes[0].int_attributes.clear();
  1107. update.nodes[0].AddIntAttribute(ax::mojom::IntAttribute::kActivedescendantId,
  1108. 3);
  1109. ASSERT_TRUE(tree.Unserialize(update));
  1110. EXPECT_THAT(
  1111. event_generator,
  1112. UnorderedElementsAre(
  1113. HasEventAtNode(AXEventGenerator::Event::ACTIVE_DESCENDANT_CHANGED, 1),
  1114. HasEventAtNode(AXEventGenerator::Event::MENU_ITEM_SELECTED, 3),
  1115. HasEventAtNode(AXEventGenerator::Event::RELATED_NODE_CHANGED, 1)));
  1116. }
  1117. TEST(AXEventGeneratorTest, NodeBecomesIgnored) {
  1118. AXTreeUpdate initial_state;
  1119. initial_state.root_id = 1;
  1120. initial_state.nodes.resize(5);
  1121. initial_state.nodes[0].id = 1;
  1122. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1123. initial_state.nodes[0].child_ids.push_back(2);
  1124. initial_state.nodes[1].id = 2;
  1125. initial_state.nodes[1].role = ax::mojom::Role::kArticle;
  1126. initial_state.nodes[1].child_ids.push_back(3);
  1127. initial_state.nodes[2].id = 3;
  1128. initial_state.nodes[2].role = ax::mojom::Role::kGroup;
  1129. initial_state.nodes[2].AddState(ax::mojom::State::kIgnored);
  1130. initial_state.nodes[2].child_ids.push_back(4);
  1131. initial_state.nodes[3].id = 4;
  1132. initial_state.nodes[3].role = ax::mojom::Role::kGroup;
  1133. initial_state.nodes[3].child_ids.push_back(5);
  1134. initial_state.nodes[4].id = 5;
  1135. initial_state.nodes[4].role = ax::mojom::Role::kStaticText;
  1136. AXTree tree(initial_state);
  1137. AXEventGenerator event_generator(&tree);
  1138. ASSERT_THAT(event_generator, IsEmpty());
  1139. AXTreeUpdate update = initial_state;
  1140. update.nodes[3].AddState(ax::mojom::State::kIgnored);
  1141. ASSERT_TRUE(tree.Unserialize(update));
  1142. EXPECT_THAT(event_generator,
  1143. UnorderedElementsAre(
  1144. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 2),
  1145. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 4),
  1146. HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 5)));
  1147. }
  1148. TEST(AXEventGeneratorTest, NodeBecomesIgnored2) {
  1149. AXTreeUpdate initial_state;
  1150. initial_state.root_id = 1;
  1151. initial_state.nodes.resize(5);
  1152. initial_state.nodes[0].id = 1;
  1153. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1154. initial_state.nodes[0].child_ids.push_back(2);
  1155. initial_state.nodes[1].id = 2;
  1156. initial_state.nodes[1].role = ax::mojom::Role::kArticle;
  1157. initial_state.nodes[1].child_ids.push_back(3);
  1158. initial_state.nodes[2].id = 3;
  1159. initial_state.nodes[2].role = ax::mojom::Role::kGroup;
  1160. initial_state.nodes[2].AddState(ax::mojom::State::kIgnored);
  1161. initial_state.nodes[2].child_ids.push_back(4);
  1162. initial_state.nodes[3].id = 4;
  1163. initial_state.nodes[3].role = ax::mojom::Role::kGroup;
  1164. initial_state.nodes[3].child_ids.push_back(5);
  1165. initial_state.nodes[4].id = 5;
  1166. initial_state.nodes[4].role = ax::mojom::Role::kStaticText;
  1167. AXTree tree(initial_state);
  1168. AXEventGenerator event_generator(&tree);
  1169. ASSERT_THAT(event_generator, IsEmpty());
  1170. AXTreeUpdate update = initial_state;
  1171. // Marking as ignored should fire CHILDREN_CHANGED on 2
  1172. update.nodes[3].AddState(ax::mojom::State::kIgnored);
  1173. // Remove node id 5 so it also fires CHILDREN_CHANGED on 4.
  1174. update.nodes.pop_back();
  1175. update.nodes[3].child_ids.clear();
  1176. ASSERT_TRUE(tree.Unserialize(update));
  1177. EXPECT_THAT(event_generator,
  1178. UnorderedElementsAre(
  1179. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 2),
  1180. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 4)));
  1181. }
  1182. TEST(AXEventGeneratorTest, NodeBecomesUnignored) {
  1183. AXTreeUpdate initial_state;
  1184. initial_state.root_id = 1;
  1185. initial_state.nodes.resize(5);
  1186. initial_state.nodes[0].id = 1;
  1187. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1188. initial_state.nodes[0].child_ids.push_back(2);
  1189. initial_state.nodes[1].id = 2;
  1190. initial_state.nodes[1].role = ax::mojom::Role::kArticle;
  1191. initial_state.nodes[1].child_ids.push_back(3);
  1192. initial_state.nodes[2].id = 3;
  1193. initial_state.nodes[2].role = ax::mojom::Role::kGroup;
  1194. initial_state.nodes[2].AddState(ax::mojom::State::kIgnored);
  1195. initial_state.nodes[2].child_ids.push_back(4);
  1196. initial_state.nodes[3].id = 4;
  1197. initial_state.nodes[3].role = ax::mojom::Role::kGroup;
  1198. initial_state.nodes[3].AddState(ax::mojom::State::kIgnored);
  1199. initial_state.nodes[3].child_ids.push_back(5);
  1200. initial_state.nodes[4].id = 5;
  1201. initial_state.nodes[4].role = ax::mojom::Role::kStaticText;
  1202. AXTree tree(initial_state);
  1203. AXEventGenerator event_generator(&tree);
  1204. ASSERT_THAT(event_generator, IsEmpty());
  1205. AXTreeUpdate update = initial_state;
  1206. update.nodes[3].state = 0;
  1207. ASSERT_TRUE(tree.Unserialize(update));
  1208. EXPECT_THAT(event_generator,
  1209. UnorderedElementsAre(
  1210. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 2),
  1211. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 4),
  1212. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 4),
  1213. HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 5)));
  1214. }
  1215. TEST(AXEventGeneratorTest, NodeBecomesUnignored2) {
  1216. AXTreeUpdate initial_state;
  1217. initial_state.root_id = 1;
  1218. initial_state.nodes.resize(5);
  1219. initial_state.nodes[0].id = 1;
  1220. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1221. initial_state.nodes[0].child_ids.push_back(2);
  1222. initial_state.nodes[1].id = 2;
  1223. initial_state.nodes[1].role = ax::mojom::Role::kArticle;
  1224. initial_state.nodes[1].child_ids.push_back(3);
  1225. initial_state.nodes[2].id = 3;
  1226. initial_state.nodes[2].role = ax::mojom::Role::kGroup;
  1227. initial_state.nodes[2].AddState(ax::mojom::State::kIgnored);
  1228. initial_state.nodes[2].child_ids.push_back(4);
  1229. initial_state.nodes[3].id = 4;
  1230. initial_state.nodes[3].role = ax::mojom::Role::kGroup;
  1231. initial_state.nodes[3].AddState(ax::mojom::State::kIgnored);
  1232. initial_state.nodes[3].child_ids.push_back(5);
  1233. initial_state.nodes[4].id = 5;
  1234. initial_state.nodes[4].role = ax::mojom::Role::kStaticText;
  1235. AXTree tree(initial_state);
  1236. AXEventGenerator event_generator(&tree);
  1237. ASSERT_THAT(event_generator, IsEmpty());
  1238. AXTreeUpdate update = initial_state;
  1239. // Marking as no longer ignored should fire CHILDREN_CHANGED on 2
  1240. update.nodes[3].state = 0;
  1241. // Remove node id 5 so it also fires CHILDREN_CHANGED on 4.
  1242. update.nodes.pop_back();
  1243. update.nodes[3].child_ids.clear();
  1244. ASSERT_TRUE(tree.Unserialize(update));
  1245. EXPECT_THAT(event_generator,
  1246. UnorderedElementsAre(
  1247. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 2),
  1248. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 4),
  1249. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 4)));
  1250. }
  1251. TEST(AXEventGeneratorTest, NodeChangesIsIgnoredDueToFocusChange) {
  1252. AXTree::SetFocusedNodeShouldNeverBeIgnored();
  1253. AXNodeData root;
  1254. AXNodeData button_1;
  1255. AXNodeData button_2;
  1256. root.id = 1;
  1257. button_1.id = 2;
  1258. button_2.id = 3;
  1259. root.role = ax::mojom::Role::kRootWebArea;
  1260. root.child_ids = {button_1.id, button_2.id};
  1261. button_1.role = ax::mojom::Role::kButton;
  1262. button_1.AddState(ax::mojom::State::kIgnored);
  1263. button_2.role = ax::mojom::Role::kButton;
  1264. button_2.AddState(ax::mojom::State::kIgnored);
  1265. AXTreeUpdate update;
  1266. update.root_id = root.id;
  1267. update.nodes = {root, button_1, button_2};
  1268. AXTreeData tree_data;
  1269. tree_data.focus_id = button_1.id;
  1270. update.has_tree_data = true;
  1271. update.tree_data = tree_data;
  1272. AXTree tree(update);
  1273. AXEventGenerator event_generator(&tree);
  1274. ASSERT_THAT(event_generator, IsEmpty());
  1275. tree_data = tree.data();
  1276. tree_data.focused_tree_id = tree.GetAXTreeID();
  1277. tree_data.focus_id = button_2.id;
  1278. AXTreeUpdate update_2;
  1279. update_2.has_tree_data = true;
  1280. update_2.tree_data = tree_data;
  1281. ASSERT_TRUE(tree.Unserialize(update_2));
  1282. EXPECT_THAT(
  1283. event_generator,
  1284. UnorderedElementsAre(
  1285. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, button_1.id),
  1286. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, button_2.id),
  1287. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, root.id),
  1288. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED,
  1289. button_2.id)));
  1290. }
  1291. TEST(AXEventGeneratorTest, NodeInsertedViaRoleChange) {
  1292. // This test inserts a kSearch in between the kRootWebArea and the kTextField,
  1293. // but the node id are updated reflecting position in the tree. This results
  1294. // in node 2's role changing along with node 3 being created and added as a
  1295. // child of node 2.
  1296. AXTreeUpdate initial_state;
  1297. initial_state.root_id = 1;
  1298. initial_state.nodes.resize(2);
  1299. initial_state.nodes[0].id = 1;
  1300. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1301. initial_state.nodes[0].child_ids.push_back(2);
  1302. initial_state.nodes[1].id = 2;
  1303. initial_state.nodes[1].role = ax::mojom::Role::kTextField;
  1304. AXTree tree(initial_state);
  1305. AXEventGenerator event_generator(&tree);
  1306. ASSERT_THAT(event_generator, IsEmpty());
  1307. AXTreeUpdate update;
  1308. update.root_id = 1;
  1309. update.nodes.resize(3);
  1310. update.nodes[0].id = 1;
  1311. update.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1312. update.nodes[0].child_ids.push_back(2);
  1313. update.nodes[1].id = 2;
  1314. update.nodes[1].role = ax::mojom::Role::kSearch;
  1315. update.nodes[1].child_ids.push_back(3);
  1316. update.nodes[2].id = 3;
  1317. update.nodes[2].role = ax::mojom::Role::kTextField;
  1318. ASSERT_TRUE(tree.Unserialize(update));
  1319. EXPECT_THAT(event_generator,
  1320. UnorderedElementsAre(
  1321. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 3),
  1322. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 2),
  1323. HasEventAtNode(AXEventGenerator::Event::ROLE_CHANGED, 2)));
  1324. }
  1325. TEST(AXEventGeneratorTest, NodeInserted) {
  1326. // This test inserts a kSearch in between the kRootWebArea and the kTextField.
  1327. // The node ids reflect the creation order, and the kTextField is not changed.
  1328. // Thus this is more like a reparenting.
  1329. AXTreeUpdate initial_state;
  1330. initial_state.root_id = 1;
  1331. initial_state.nodes.resize(2);
  1332. initial_state.nodes[0].id = 1;
  1333. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1334. initial_state.nodes[0].child_ids.push_back(2);
  1335. initial_state.nodes[1].id = 2;
  1336. initial_state.nodes[1].role = ax::mojom::Role::kTextField;
  1337. AXTree tree(initial_state);
  1338. AXEventGenerator event_generator(&tree);
  1339. ASSERT_THAT(event_generator, IsEmpty());
  1340. AXTreeUpdate update;
  1341. update.root_id = 1;
  1342. update.nodes.resize(3);
  1343. update.nodes[0].id = 1;
  1344. update.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1345. update.nodes[0].child_ids.push_back(3);
  1346. update.nodes[1].id = 3;
  1347. update.nodes[1].role = ax::mojom::Role::kSearch;
  1348. update.nodes[1].child_ids.push_back(2);
  1349. update.nodes[2].id = 2;
  1350. update.nodes[2].role = ax::mojom::Role::kTextField;
  1351. ASSERT_TRUE(tree.Unserialize(update));
  1352. EXPECT_THAT(event_generator,
  1353. UnorderedElementsAre(
  1354. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 3),
  1355. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 1),
  1356. HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 2)));
  1357. }
  1358. TEST(AXEventGeneratorTest, SubtreeBecomesUnignored) {
  1359. AXTreeUpdate initial_state;
  1360. initial_state.root_id = 1;
  1361. initial_state.nodes.resize(3);
  1362. initial_state.nodes[0].id = 1;
  1363. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1364. initial_state.nodes[0].child_ids.push_back(2);
  1365. initial_state.nodes[1].id = 2;
  1366. initial_state.nodes[1].role = ax::mojom::Role::kArticle;
  1367. initial_state.nodes[1].AddState(ax::mojom::State::kIgnored);
  1368. initial_state.nodes[1].child_ids.push_back(3);
  1369. initial_state.nodes[2].id = 3;
  1370. initial_state.nodes[2].role = ax::mojom::Role::kGroup;
  1371. initial_state.nodes[2].AddState(ax::mojom::State::kIgnored);
  1372. AXTree tree(initial_state);
  1373. AXEventGenerator event_generator(&tree);
  1374. ASSERT_THAT(event_generator, IsEmpty());
  1375. AXTreeUpdate update = initial_state;
  1376. update.nodes[1].RemoveState(ax::mojom::State::kIgnored);
  1377. update.nodes[2].RemoveState(ax::mojom::State::kIgnored);
  1378. ASSERT_TRUE(tree.Unserialize(update));
  1379. EXPECT_THAT(event_generator,
  1380. UnorderedElementsAre(
  1381. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 1),
  1382. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 2),
  1383. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 2)));
  1384. }
  1385. TEST(AXEventGeneratorTest, TwoNodesSwapIgnored) {
  1386. AXTreeUpdate initial_state;
  1387. initial_state.root_id = 1;
  1388. initial_state.nodes.resize(3);
  1389. initial_state.nodes[0].id = 1;
  1390. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1391. initial_state.nodes[0].child_ids.push_back(2);
  1392. initial_state.nodes[1].id = 2;
  1393. initial_state.nodes[1].role = ax::mojom::Role::kArticle;
  1394. initial_state.nodes[1].child_ids.push_back(3);
  1395. initial_state.nodes[2].id = 3;
  1396. initial_state.nodes[2].role = ax::mojom::Role::kGroup;
  1397. initial_state.nodes[2].AddState(ax::mojom::State::kIgnored);
  1398. AXTree tree(initial_state);
  1399. AXEventGenerator event_generator(&tree);
  1400. ASSERT_THAT(event_generator, IsEmpty());
  1401. AXTreeUpdate update = initial_state;
  1402. update.nodes[1].AddState(ax::mojom::State::kIgnored);
  1403. update.nodes[2].RemoveState(ax::mojom::State::kIgnored);
  1404. ASSERT_TRUE(tree.Unserialize(update));
  1405. EXPECT_THAT(event_generator,
  1406. UnorderedElementsAre(
  1407. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 1),
  1408. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 2),
  1409. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 3),
  1410. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 3)));
  1411. }
  1412. TEST(AXEventGeneratorTest, TwoNodesSwapIgnored2) {
  1413. AXTreeUpdate initial_state;
  1414. initial_state.root_id = 1;
  1415. initial_state.nodes.resize(3);
  1416. initial_state.nodes[0].id = 1;
  1417. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1418. initial_state.nodes[0].child_ids.push_back(2);
  1419. initial_state.nodes[1].id = 2;
  1420. initial_state.nodes[1].role = ax::mojom::Role::kArticle;
  1421. initial_state.nodes[1].AddState(ax::mojom::State::kIgnored);
  1422. initial_state.nodes[1].child_ids.push_back(3);
  1423. initial_state.nodes[2].id = 3;
  1424. initial_state.nodes[2].role = ax::mojom::Role::kGroup;
  1425. AXTree tree(initial_state);
  1426. AXEventGenerator event_generator(&tree);
  1427. ASSERT_THAT(event_generator, IsEmpty());
  1428. AXTreeUpdate update = initial_state;
  1429. update.nodes[1].RemoveState(ax::mojom::State::kIgnored);
  1430. update.nodes[2].AddState(ax::mojom::State::kIgnored);
  1431. ASSERT_TRUE(tree.Unserialize(update));
  1432. EXPECT_THAT(event_generator,
  1433. UnorderedElementsAre(
  1434. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 1),
  1435. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 2),
  1436. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 3),
  1437. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 2)));
  1438. }
  1439. TEST(AXEventGeneratorTest, IgnoredChangedFiredOnAncestorOnly1) {
  1440. // BEFORE
  1441. // 1 (IGN)
  1442. // / \
  1443. // 2 3 (IGN)
  1444. // AFTER
  1445. // 1 (IGN)
  1446. // / \
  1447. // 2 (IGN) 3
  1448. // IGNORED_CHANGED expected on #2, #3
  1449. AXTreeUpdate initial_state;
  1450. initial_state.root_id = 1;
  1451. initial_state.nodes.resize(3);
  1452. initial_state.nodes[0].id = 1;
  1453. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1454. initial_state.nodes[0].AddState(ax::mojom::State::kIgnored);
  1455. initial_state.nodes[0].child_ids = {2, 3};
  1456. initial_state.nodes[1].id = 2;
  1457. initial_state.nodes[1].role = ax::mojom::Role::kStaticText;
  1458. initial_state.nodes[2].id = 3;
  1459. initial_state.nodes[2].role = ax::mojom::Role::kStaticText;
  1460. initial_state.nodes[2].AddState(ax::mojom::State::kIgnored);
  1461. AXTree tree(initial_state);
  1462. AXEventGenerator event_generator(&tree);
  1463. ASSERT_THAT(event_generator, IsEmpty());
  1464. AXTreeUpdate update = initial_state;
  1465. update.nodes[1].AddState(ax::mojom::State::kIgnored);
  1466. update.nodes[2].RemoveState(ax::mojom::State::kIgnored);
  1467. ASSERT_TRUE(tree.Unserialize(update));
  1468. EXPECT_THAT(event_generator,
  1469. UnorderedElementsAre(
  1470. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 2),
  1471. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 3),
  1472. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 3)));
  1473. }
  1474. TEST(AXEventGeneratorTest, IgnoredChangedFiredOnAncestorOnly2) {
  1475. // BEFORE
  1476. // 1
  1477. // |
  1478. // 2
  1479. // / \
  1480. // 3 4 (IGN)
  1481. // AFTER
  1482. // 1
  1483. // |
  1484. // 2 ___
  1485. // / \
  1486. // 3 (IGN) 4
  1487. // IGNORED_CHANGED expected on #3, #4
  1488. AXTreeUpdate initial_state;
  1489. initial_state.root_id = 1;
  1490. initial_state.nodes.resize(4);
  1491. initial_state.nodes[0].id = 1;
  1492. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1493. initial_state.nodes[0].child_ids = {2};
  1494. initial_state.nodes[1].id = 2;
  1495. initial_state.nodes[1].role = ax::mojom::Role::kGroup;
  1496. initial_state.nodes[1].child_ids = {3, 4};
  1497. initial_state.nodes[2].id = 3;
  1498. initial_state.nodes[2].role = ax::mojom::Role::kStaticText;
  1499. initial_state.nodes[3].id = 4;
  1500. initial_state.nodes[3].role = ax::mojom::Role::kStaticText;
  1501. initial_state.nodes[3].AddState(ax::mojom::State::kIgnored);
  1502. AXTree tree(initial_state);
  1503. AXEventGenerator event_generator(&tree);
  1504. ASSERT_THAT(event_generator, IsEmpty());
  1505. AXTreeUpdate update = initial_state;
  1506. update.nodes[2].AddState(ax::mojom::State::kIgnored);
  1507. update.nodes[3].RemoveState(ax::mojom::State::kIgnored);
  1508. ASSERT_TRUE(tree.Unserialize(update));
  1509. EXPECT_THAT(event_generator,
  1510. UnorderedElementsAre(
  1511. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 2),
  1512. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 3),
  1513. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 4),
  1514. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 4)));
  1515. }
  1516. TEST(AXEventGeneratorTest, IgnoredChangedFiredOnAncestorOnly3) {
  1517. // BEFORE
  1518. // 1
  1519. // |
  1520. // 2 ___
  1521. // / \
  1522. // 3 (IGN) 4
  1523. // AFTER
  1524. // 1 (IGN)
  1525. // |
  1526. // 2
  1527. // / \
  1528. // 3 4 (IGN)
  1529. // IGNORED_CHANGED expected on #1, #3
  1530. AXTreeUpdate initial_state;
  1531. initial_state.root_id = 1;
  1532. initial_state.nodes.resize(4);
  1533. initial_state.nodes[0].id = 1;
  1534. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1535. initial_state.nodes[0].child_ids = {2};
  1536. initial_state.nodes[1].id = 2;
  1537. initial_state.nodes[1].role = ax::mojom::Role::kGroup;
  1538. initial_state.nodes[1].child_ids = {3, 4};
  1539. initial_state.nodes[2].id = 3;
  1540. initial_state.nodes[2].role = ax::mojom::Role::kStaticText;
  1541. initial_state.nodes[2].AddState(ax::mojom::State::kIgnored);
  1542. initial_state.nodes[3].id = 4;
  1543. initial_state.nodes[3].role = ax::mojom::Role::kStaticText;
  1544. AXTree tree(initial_state);
  1545. AXEventGenerator event_generator(&tree);
  1546. ASSERT_THAT(event_generator, IsEmpty());
  1547. AXTreeUpdate update = initial_state;
  1548. update.nodes[0].AddState(ax::mojom::State::kIgnored);
  1549. update.nodes[2].RemoveState(ax::mojom::State::kIgnored);
  1550. update.nodes[3].AddState(ax::mojom::State::kIgnored);
  1551. ASSERT_TRUE(tree.Unserialize(update));
  1552. EXPECT_THAT(event_generator,
  1553. UnorderedElementsAre(
  1554. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 2),
  1555. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 1),
  1556. HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 2),
  1557. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 3),
  1558. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 3)));
  1559. }
  1560. TEST(AXEventGeneratorTest, IgnoredChangedFiredOnAncestorOnly4) {
  1561. // BEFORE
  1562. // 1 (IGN)
  1563. // |
  1564. // 2
  1565. // |
  1566. // 3 (IGN)
  1567. // |
  1568. // 4 (IGN)
  1569. // |
  1570. // ____ 5 _____
  1571. // / | \
  1572. // 6 (IGN) 7 (IGN) 8
  1573. // AFTER
  1574. // 1 (IGN)
  1575. // |
  1576. // 2
  1577. // |
  1578. // 3 (IGN)
  1579. // |
  1580. // 4 (IGN)
  1581. // |
  1582. // ____ 5 _____
  1583. // / | \
  1584. // 6 7 8 (IGN)
  1585. // IGNORED_CHANGED expected on #6, #7, #8
  1586. AXTreeUpdate initial_state;
  1587. initial_state.root_id = 1;
  1588. initial_state.nodes.resize(8);
  1589. initial_state.nodes[0].id = 1;
  1590. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1591. initial_state.nodes[0].child_ids = {2};
  1592. initial_state.nodes[1].id = 2;
  1593. initial_state.nodes[1].role = ax::mojom::Role::kGroup;
  1594. initial_state.nodes[1].child_ids = {3};
  1595. initial_state.nodes[2].id = 3;
  1596. initial_state.nodes[2].role = ax::mojom::Role::kGroup;
  1597. initial_state.nodes[2].child_ids = {4};
  1598. initial_state.nodes[2].AddState(ax::mojom::State::kIgnored);
  1599. initial_state.nodes[3].id = 4;
  1600. initial_state.nodes[3].role = ax::mojom::Role::kGroup;
  1601. initial_state.nodes[3].child_ids = {5};
  1602. initial_state.nodes[3].AddState(ax::mojom::State::kIgnored);
  1603. initial_state.nodes[4].id = 5;
  1604. initial_state.nodes[4].role = ax::mojom::Role::kGroup;
  1605. initial_state.nodes[4].child_ids = {6, 7, 8};
  1606. initial_state.nodes[5].id = 6;
  1607. initial_state.nodes[5].role = ax::mojom::Role::kStaticText;
  1608. initial_state.nodes[5].AddState(ax::mojom::State::kIgnored);
  1609. initial_state.nodes[6].id = 7;
  1610. initial_state.nodes[6].role = ax::mojom::Role::kStaticText;
  1611. initial_state.nodes[6].AddState(ax::mojom::State::kIgnored);
  1612. initial_state.nodes[7].id = 8;
  1613. initial_state.nodes[7].role = ax::mojom::Role::kStaticText;
  1614. AXTree tree(initial_state);
  1615. AXEventGenerator event_generator(&tree);
  1616. ASSERT_THAT(event_generator, IsEmpty());
  1617. AXTreeUpdate update = initial_state;
  1618. update.nodes[5].RemoveState(ax::mojom::State::kIgnored);
  1619. update.nodes[6].RemoveState(ax::mojom::State::kIgnored);
  1620. update.nodes[7].AddState(ax::mojom::State::kIgnored);
  1621. ASSERT_TRUE(tree.Unserialize(update));
  1622. EXPECT_THAT(event_generator,
  1623. UnorderedElementsAre(
  1624. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 5),
  1625. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 6),
  1626. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 7),
  1627. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 6),
  1628. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 7),
  1629. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 8)));
  1630. }
  1631. TEST(AXEventGeneratorTest, IgnoredChangedFiredOnAncestorOnly5) {
  1632. // BEFORE
  1633. // 1
  1634. // |
  1635. // 2
  1636. // |
  1637. // 3 (IGN)
  1638. // |
  1639. // 4 (IGN)
  1640. // |
  1641. // ____ 5 _____
  1642. // / | \
  1643. // 6 (IGN) 7 8
  1644. // AFTER
  1645. // 1 (IGN)
  1646. // |
  1647. // 2
  1648. // |
  1649. // 3 (IGN)
  1650. // |
  1651. // 4 (IGN)
  1652. // |
  1653. // ____ 5 _____
  1654. // / | \
  1655. // 6 7 (IGN) 8 (IGN)
  1656. // IGNORED_CHANGED expected on #1, #6
  1657. AXTreeUpdate initial_state;
  1658. initial_state.root_id = 1;
  1659. initial_state.nodes.resize(8);
  1660. initial_state.nodes[0].id = 1;
  1661. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1662. initial_state.nodes[0].child_ids = {2};
  1663. initial_state.nodes[1].id = 2;
  1664. initial_state.nodes[1].role = ax::mojom::Role::kGroup;
  1665. initial_state.nodes[1].child_ids = {3};
  1666. initial_state.nodes[2].id = 3;
  1667. initial_state.nodes[2].role = ax::mojom::Role::kGroup;
  1668. initial_state.nodes[2].child_ids = {4};
  1669. initial_state.nodes[2].AddState(ax::mojom::State::kIgnored);
  1670. initial_state.nodes[3].id = 4;
  1671. initial_state.nodes[3].role = ax::mojom::Role::kGroup;
  1672. initial_state.nodes[3].child_ids = {5};
  1673. initial_state.nodes[3].AddState(ax::mojom::State::kIgnored);
  1674. initial_state.nodes[4].id = 5;
  1675. initial_state.nodes[4].role = ax::mojom::Role::kGroup;
  1676. initial_state.nodes[4].child_ids = {6, 7, 8};
  1677. initial_state.nodes[5].id = 6;
  1678. initial_state.nodes[5].role = ax::mojom::Role::kStaticText;
  1679. initial_state.nodes[5].AddState(ax::mojom::State::kIgnored);
  1680. initial_state.nodes[6].id = 7;
  1681. initial_state.nodes[6].role = ax::mojom::Role::kStaticText;
  1682. initial_state.nodes[7].id = 8;
  1683. initial_state.nodes[7].role = ax::mojom::Role::kStaticText;
  1684. AXTree tree(initial_state);
  1685. AXEventGenerator event_generator(&tree);
  1686. ASSERT_THAT(event_generator, IsEmpty());
  1687. AXTreeUpdate update = initial_state;
  1688. update.nodes[0].AddState(ax::mojom::State::kIgnored);
  1689. update.nodes[5].RemoveState(ax::mojom::State::kIgnored);
  1690. update.nodes[6].AddState(ax::mojom::State::kIgnored);
  1691. update.nodes[7].AddState(ax::mojom::State::kIgnored);
  1692. ASSERT_TRUE(tree.Unserialize(update));
  1693. EXPECT_THAT(event_generator,
  1694. UnorderedElementsAre(
  1695. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 5),
  1696. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 6),
  1697. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 1),
  1698. HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 2),
  1699. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 6)));
  1700. }
  1701. TEST(AXEventGeneratorTest, IgnoredChangedFiredOnAncestorOnly6) {
  1702. // BEFORE
  1703. // 1 (IGN)
  1704. // |
  1705. // 2
  1706. // |
  1707. // 3
  1708. // |
  1709. // 4
  1710. // |
  1711. // ____ 5 _____
  1712. // / | \
  1713. // 6 (IGN) 7 (IGN) 8
  1714. // AFTER
  1715. // 1
  1716. // |
  1717. // 2
  1718. // |
  1719. // 3
  1720. // |
  1721. // 4
  1722. // |
  1723. // ____ 5 _____
  1724. // / | \
  1725. // 6 7 8 (IGN)
  1726. // IGNORED_CHANGED expected on #1, #8
  1727. AXTreeUpdate initial_state;
  1728. initial_state.root_id = 1;
  1729. initial_state.nodes.resize(8);
  1730. initial_state.nodes[0].id = 1;
  1731. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1732. initial_state.nodes[0].child_ids = {2};
  1733. initial_state.nodes[0].AddState(ax::mojom::State::kIgnored);
  1734. initial_state.nodes[1].id = 2;
  1735. initial_state.nodes[1].role = ax::mojom::Role::kGroup;
  1736. initial_state.nodes[1].child_ids = {3};
  1737. initial_state.nodes[2].id = 3;
  1738. initial_state.nodes[2].role = ax::mojom::Role::kGroup;
  1739. initial_state.nodes[2].child_ids = {4};
  1740. initial_state.nodes[3].id = 4;
  1741. initial_state.nodes[3].role = ax::mojom::Role::kGroup;
  1742. initial_state.nodes[3].child_ids = {5};
  1743. initial_state.nodes[4].id = 5;
  1744. initial_state.nodes[4].role = ax::mojom::Role::kGroup;
  1745. initial_state.nodes[4].child_ids = {6, 7, 8};
  1746. initial_state.nodes[5].id = 6;
  1747. initial_state.nodes[5].role = ax::mojom::Role::kStaticText;
  1748. initial_state.nodes[5].AddState(ax::mojom::State::kIgnored);
  1749. initial_state.nodes[6].id = 7;
  1750. initial_state.nodes[6].role = ax::mojom::Role::kStaticText;
  1751. initial_state.nodes[6].AddState(ax::mojom::State::kIgnored);
  1752. initial_state.nodes[7].id = 8;
  1753. initial_state.nodes[7].role = ax::mojom::Role::kStaticText;
  1754. AXTree tree(initial_state);
  1755. AXEventGenerator event_generator(&tree);
  1756. ASSERT_THAT(event_generator, IsEmpty());
  1757. AXTreeUpdate update = initial_state;
  1758. update.nodes[0].RemoveState(ax::mojom::State::kIgnored);
  1759. update.nodes[5].RemoveState(ax::mojom::State::kIgnored);
  1760. update.nodes[6].RemoveState(ax::mojom::State::kIgnored);
  1761. update.nodes[7].AddState(ax::mojom::State::kIgnored);
  1762. ASSERT_TRUE(tree.Unserialize(update));
  1763. EXPECT_THAT(event_generator,
  1764. UnorderedElementsAre(
  1765. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 5),
  1766. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 1),
  1767. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 6),
  1768. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 7),
  1769. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 1),
  1770. HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 2),
  1771. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 8)));
  1772. }
  1773. TEST(AXEventGeneratorTest, IgnoredChangedFiredOnAncestorOnly7) {
  1774. // BEFORE
  1775. // 1 (IGN)
  1776. // |
  1777. // 2 (IGN)
  1778. // |
  1779. // 3
  1780. // |
  1781. // __ 4 ___
  1782. // / \
  1783. // 5 (IGN) 6 (IGN)
  1784. // AFTER
  1785. // 1
  1786. // |
  1787. // 2
  1788. // |
  1789. // 3 (IGN)
  1790. // |
  1791. // __ 4 (IGN)
  1792. // / \
  1793. // 5 (IGN) 6 (IGN)
  1794. // IGNORED_CHANGED expected on #1, #3
  1795. AXTreeUpdate initial_state;
  1796. initial_state.root_id = 1;
  1797. initial_state.nodes.resize(6);
  1798. initial_state.nodes[0].id = 1;
  1799. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1800. initial_state.nodes[0].child_ids = {2};
  1801. initial_state.nodes[0].AddState(ax::mojom::State::kIgnored);
  1802. initial_state.nodes[1].id = 2;
  1803. initial_state.nodes[1].role = ax::mojom::Role::kGroup;
  1804. initial_state.nodes[1].child_ids = {3};
  1805. initial_state.nodes[1].AddState(ax::mojom::State::kIgnored);
  1806. initial_state.nodes[2].id = 3;
  1807. initial_state.nodes[2].role = ax::mojom::Role::kGroup;
  1808. initial_state.nodes[2].child_ids = {4};
  1809. initial_state.nodes[3].id = 4;
  1810. initial_state.nodes[3].role = ax::mojom::Role::kGroup;
  1811. initial_state.nodes[3].child_ids = {5, 6};
  1812. initial_state.nodes[4].id = 5;
  1813. initial_state.nodes[4].role = ax::mojom::Role::kStaticText;
  1814. initial_state.nodes[4].AddState(ax::mojom::State::kIgnored);
  1815. initial_state.nodes[5].id = 6;
  1816. initial_state.nodes[5].role = ax::mojom::Role::kStaticText;
  1817. initial_state.nodes[5].AddState(ax::mojom::State::kIgnored);
  1818. AXTree tree(initial_state);
  1819. AXEventGenerator event_generator(&tree);
  1820. ASSERT_THAT(event_generator, IsEmpty());
  1821. AXTreeUpdate update = initial_state;
  1822. update.nodes[0].RemoveState(ax::mojom::State::kIgnored);
  1823. update.nodes[1].RemoveState(ax::mojom::State::kIgnored);
  1824. update.nodes[2].AddState(ax::mojom::State::kIgnored);
  1825. update.nodes[3].AddState(ax::mojom::State::kIgnored);
  1826. ASSERT_TRUE(tree.Unserialize(update));
  1827. EXPECT_THAT(event_generator,
  1828. UnorderedElementsAre(
  1829. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 1),
  1830. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 1),
  1831. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 3)));
  1832. }
  1833. TEST(AXEventGeneratorTest, IgnoredChangedFiredOnAncestorOnly8) {
  1834. // BEFORE
  1835. // ____ 1 ____
  1836. // | |
  1837. // 2 (IGN) 7
  1838. // |
  1839. // 3 (IGN)
  1840. // |
  1841. // 4 (IGN)
  1842. // |
  1843. // 5 (IGN)
  1844. // |
  1845. // 6 (IGN)
  1846. // AFTER
  1847. // ____ 1 ____
  1848. // | |
  1849. // 2 7 (IGN)
  1850. // |
  1851. // 3
  1852. // |
  1853. // 4
  1854. // |
  1855. // 5
  1856. // |
  1857. // 6
  1858. // IGNORED_CHANGED expected on #2, #7
  1859. AXTreeUpdate initial_state;
  1860. initial_state.root_id = 1;
  1861. initial_state.nodes.resize(7);
  1862. initial_state.nodes[0].id = 1;
  1863. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1864. initial_state.nodes[0].child_ids = {2, 7};
  1865. initial_state.nodes[1].id = 2;
  1866. initial_state.nodes[1].role = ax::mojom::Role::kGroup;
  1867. initial_state.nodes[1].child_ids = {3};
  1868. initial_state.nodes[1].AddState(ax::mojom::State::kIgnored);
  1869. initial_state.nodes[2].id = 3;
  1870. initial_state.nodes[2].role = ax::mojom::Role::kGroup;
  1871. initial_state.nodes[2].child_ids = {4};
  1872. initial_state.nodes[2].AddState(ax::mojom::State::kIgnored);
  1873. initial_state.nodes[3].id = 4;
  1874. initial_state.nodes[3].role = ax::mojom::Role::kGroup;
  1875. initial_state.nodes[3].child_ids = {5};
  1876. initial_state.nodes[3].AddState(ax::mojom::State::kIgnored);
  1877. initial_state.nodes[4].id = 5;
  1878. initial_state.nodes[4].role = ax::mojom::Role::kGroup;
  1879. initial_state.nodes[4].child_ids = {6};
  1880. initial_state.nodes[4].AddState(ax::mojom::State::kIgnored);
  1881. initial_state.nodes[5].id = 5;
  1882. initial_state.nodes[5].role = ax::mojom::Role::kStaticText;
  1883. initial_state.nodes[5].AddState(ax::mojom::State::kIgnored);
  1884. initial_state.nodes[6].id = 7;
  1885. initial_state.nodes[6].role = ax::mojom::Role::kStaticText;
  1886. AXTree tree(initial_state);
  1887. AXEventGenerator event_generator(&tree);
  1888. ASSERT_THAT(event_generator, IsEmpty());
  1889. AXTreeUpdate update = initial_state;
  1890. update.nodes[1].RemoveState(ax::mojom::State::kIgnored);
  1891. update.nodes[2].RemoveState(ax::mojom::State::kIgnored);
  1892. update.nodes[3].RemoveState(ax::mojom::State::kIgnored);
  1893. update.nodes[4].RemoveState(ax::mojom::State::kIgnored);
  1894. update.nodes[5].RemoveState(ax::mojom::State::kIgnored);
  1895. update.nodes[6].AddState(ax::mojom::State::kIgnored);
  1896. ASSERT_TRUE(tree.Unserialize(update));
  1897. EXPECT_THAT(event_generator,
  1898. UnorderedElementsAre(
  1899. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 1),
  1900. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 2),
  1901. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 2),
  1902. HasEventAtNode(AXEventGenerator::Event::IGNORED_CHANGED, 7)));
  1903. }
  1904. TEST(AXEventGeneratorTest, ActiveDescendantChangeOnDescendant) {
  1905. AXTreeUpdate initial_state;
  1906. initial_state.root_id = 1;
  1907. initial_state.nodes.resize(5);
  1908. initial_state.nodes[0].id = 1;
  1909. initial_state.nodes[0].role = ax::mojom::Role::kRootWebArea;
  1910. initial_state.nodes[0].child_ids.push_back(2);
  1911. initial_state.nodes[1].id = 2;
  1912. initial_state.nodes[1].role = ax::mojom::Role::kGenericContainer;
  1913. initial_state.nodes[1].child_ids.push_back(3);
  1914. initial_state.nodes[2].id = 3;
  1915. initial_state.nodes[2].role = ax::mojom::Role::kGroup;
  1916. initial_state.nodes[2].AddIntAttribute(
  1917. ax::mojom::IntAttribute::kActivedescendantId, 4);
  1918. initial_state.nodes[2].child_ids.push_back(4);
  1919. initial_state.nodes[2].child_ids.push_back(5);
  1920. initial_state.nodes[3].id = 4;
  1921. initial_state.nodes[3].role = ax::mojom::Role::kGroup;
  1922. initial_state.nodes[4].id = 5;
  1923. initial_state.nodes[4].role = ax::mojom::Role::kGroup;
  1924. AXTree tree(initial_state);
  1925. AXEventGenerator event_generator(&tree);
  1926. ASSERT_THAT(event_generator, IsEmpty());
  1927. initial_state.nodes[2].RemoveIntAttribute(
  1928. ax::mojom::IntAttribute::kActivedescendantId);
  1929. initial_state.nodes[2].AddIntAttribute(
  1930. ax::mojom::IntAttribute::kActivedescendantId, 5);
  1931. AXTreeUpdate update = initial_state;
  1932. // Setting the node_id_to_clear causes AXTree::ComputePendingChangesToNode to
  1933. // create all of the node's children. Since node 3 already exists and remains
  1934. // in the tree, that (re)created child is reporting a new parent.
  1935. update.node_id_to_clear = 2;
  1936. ASSERT_TRUE(tree.Unserialize(update));
  1937. EXPECT_THAT(
  1938. event_generator,
  1939. UnorderedElementsAre(
  1940. HasEventAtNode(AXEventGenerator::Event::ACTIVE_DESCENDANT_CHANGED, 3),
  1941. HasEventAtNode(AXEventGenerator::Event::RELATED_NODE_CHANGED, 3),
  1942. HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 3)));
  1943. }
  1944. TEST(AXEventGeneratorTest, ImageAnnotationChanged) {
  1945. AXTreeUpdate initial_state;
  1946. initial_state.root_id = 1;
  1947. initial_state.nodes.resize(1);
  1948. initial_state.nodes[0].id = 1;
  1949. AXTree tree(initial_state);
  1950. AXEventGenerator event_generator(&tree);
  1951. ASSERT_THAT(event_generator, IsEmpty());
  1952. AXTreeUpdate update = initial_state;
  1953. update.nodes[0].AddStringAttribute(
  1954. ax::mojom::StringAttribute::kImageAnnotation, "Hello");
  1955. ASSERT_TRUE(tree.Unserialize(update));
  1956. EXPECT_THAT(event_generator,
  1957. UnorderedElementsAre(HasEventAtNode(
  1958. AXEventGenerator::Event::IMAGE_ANNOTATION_CHANGED, 1)));
  1959. }
  1960. TEST(AXEventGeneratorTest, ImageAnnotationStatusChanged) {
  1961. AXTreeUpdate initial_state;
  1962. initial_state.root_id = 1;
  1963. initial_state.nodes.resize(1);
  1964. initial_state.nodes[0].id = 1;
  1965. AXTree tree(initial_state);
  1966. AXEventGenerator event_generator(&tree);
  1967. ASSERT_THAT(event_generator, IsEmpty());
  1968. AXTreeUpdate update = initial_state;
  1969. update.nodes[0].SetImageAnnotationStatus(
  1970. ax::mojom::ImageAnnotationStatus::kAnnotationSucceeded);
  1971. ASSERT_TRUE(tree.Unserialize(update));
  1972. EXPECT_THAT(event_generator,
  1973. UnorderedElementsAre(HasEventAtNode(
  1974. AXEventGenerator::Event::IMAGE_ANNOTATION_CHANGED, 1)));
  1975. }
  1976. TEST(AXEventGeneratorTest, StringPropertyChanges) {
  1977. AXTreeUpdate initial_state;
  1978. initial_state.root_id = 1;
  1979. initial_state.nodes.resize(1);
  1980. initial_state.nodes[0].id = 1;
  1981. struct {
  1982. ax::mojom::StringAttribute id;
  1983. std::string old_value;
  1984. std::string new_value;
  1985. } attributes[] = {
  1986. {ax::mojom::StringAttribute::kAccessKey, "a", "b"},
  1987. {ax::mojom::StringAttribute::kClassName, "a", "b"},
  1988. {ax::mojom::StringAttribute::kKeyShortcuts, "a", "b"},
  1989. {ax::mojom::StringAttribute::kLanguage, "a", "b"},
  1990. {ax::mojom::StringAttribute::kPlaceholder, "a", "b"},
  1991. };
  1992. for (auto&& attrib : attributes) {
  1993. initial_state.nodes.push_back({});
  1994. initial_state.nodes.back().id = initial_state.nodes.size();
  1995. initial_state.nodes.back().AddStringAttribute(attrib.id, attrib.old_value);
  1996. initial_state.nodes[0].child_ids.push_back(initial_state.nodes.size());
  1997. }
  1998. AXTree tree(initial_state);
  1999. AXEventGenerator event_generator(&tree);
  2000. int index = 1;
  2001. for (auto&& attrib : attributes) {
  2002. initial_state.nodes[index++].AddStringAttribute(attrib.id,
  2003. attrib.new_value);
  2004. }
  2005. AXTreeUpdate update = initial_state;
  2006. EXPECT_TRUE(tree.Unserialize(update));
  2007. EXPECT_THAT(
  2008. event_generator,
  2009. UnorderedElementsAre(
  2010. HasEventAtNode(AXEventGenerator::Event::ACCESS_KEY_CHANGED, 2),
  2011. HasEventAtNode(AXEventGenerator::Event::CLASS_NAME_CHANGED, 3),
  2012. HasEventAtNode(AXEventGenerator::Event::KEY_SHORTCUTS_CHANGED, 4),
  2013. HasEventAtNode(AXEventGenerator::Event::LANGUAGE_CHANGED, 5),
  2014. HasEventAtNode(AXEventGenerator::Event::PLACEHOLDER_CHANGED, 6)));
  2015. }
  2016. TEST(AXEventGeneratorTest, IntPropertyChanges) {
  2017. AXTreeUpdate initial_state;
  2018. initial_state.root_id = 1;
  2019. initial_state.nodes.resize(1);
  2020. initial_state.nodes[0].id = 1;
  2021. struct {
  2022. ax::mojom::IntAttribute id;
  2023. int old_value;
  2024. int new_value;
  2025. } attributes[] = {
  2026. {ax::mojom::IntAttribute::kHierarchicalLevel, 1, 2},
  2027. {ax::mojom::IntAttribute::kPosInSet, 1, 2},
  2028. {ax::mojom::IntAttribute::kSetSize, 1, 2},
  2029. };
  2030. for (auto&& attrib : attributes) {
  2031. initial_state.nodes.push_back({});
  2032. initial_state.nodes.back().id = initial_state.nodes.size();
  2033. initial_state.nodes.back().AddIntAttribute(attrib.id, attrib.old_value);
  2034. initial_state.nodes[0].child_ids.push_back(initial_state.nodes.size());
  2035. }
  2036. AXTree tree(initial_state);
  2037. AXEventGenerator event_generator(&tree);
  2038. int index = 1;
  2039. for (auto&& attrib : attributes)
  2040. initial_state.nodes[index++].AddIntAttribute(attrib.id, attrib.new_value);
  2041. AXTreeUpdate update = initial_state;
  2042. EXPECT_TRUE(tree.Unserialize(update));
  2043. EXPECT_THAT(
  2044. event_generator,
  2045. UnorderedElementsAre(
  2046. HasEventAtNode(AXEventGenerator::Event::HIERARCHICAL_LEVEL_CHANGED,
  2047. 2),
  2048. HasEventAtNode(AXEventGenerator::Event::POSITION_IN_SET_CHANGED, 3),
  2049. HasEventAtNode(AXEventGenerator::Event::SET_SIZE_CHANGED, 4)));
  2050. }
  2051. TEST(AXEventGeneratorTest, IntListPropertyChanges) {
  2052. AXTreeUpdate initial_state;
  2053. initial_state.root_id = 1;
  2054. initial_state.nodes.resize(1);
  2055. initial_state.nodes[0].id = 1;
  2056. struct {
  2057. ax::mojom::IntListAttribute id;
  2058. std::vector<int> old_value;
  2059. std::vector<int> new_value;
  2060. } attributes[] = {
  2061. {ax::mojom::IntListAttribute::kDescribedbyIds, {1}, {2}},
  2062. {ax::mojom::IntListAttribute::kFlowtoIds, {1}, {2}},
  2063. {ax::mojom::IntListAttribute::kLabelledbyIds, {1}, {2}},
  2064. };
  2065. for (auto&& attrib : attributes) {
  2066. initial_state.nodes.push_back({});
  2067. initial_state.nodes.back().id = initial_state.nodes.size();
  2068. initial_state.nodes.back().AddIntListAttribute(attrib.id, attrib.old_value);
  2069. initial_state.nodes[0].child_ids.push_back(initial_state.nodes.size());
  2070. }
  2071. AXTree tree(initial_state);
  2072. AXEventGenerator event_generator(&tree);
  2073. int index = 1;
  2074. for (auto&& attrib : attributes) {
  2075. initial_state.nodes[index++].AddIntListAttribute(attrib.id,
  2076. attrib.new_value);
  2077. }
  2078. AXTreeUpdate update = initial_state;
  2079. EXPECT_TRUE(tree.Unserialize(update));
  2080. EXPECT_THAT(
  2081. event_generator,
  2082. UnorderedElementsAre(
  2083. HasEventAtNode(AXEventGenerator::Event::DESCRIBED_BY_CHANGED, 2),
  2084. HasEventAtNode(AXEventGenerator::Event::FLOW_FROM_CHANGED, 1),
  2085. HasEventAtNode(AXEventGenerator::Event::FLOW_FROM_CHANGED, 2),
  2086. HasEventAtNode(AXEventGenerator::Event::FLOW_TO_CHANGED, 3),
  2087. HasEventAtNode(AXEventGenerator::Event::LABELED_BY_CHANGED, 4),
  2088. HasEventAtNode(AXEventGenerator::Event::RELATED_NODE_CHANGED, 2),
  2089. HasEventAtNode(AXEventGenerator::Event::RELATED_NODE_CHANGED, 3),
  2090. HasEventAtNode(AXEventGenerator::Event::RELATED_NODE_CHANGED, 4)));
  2091. }
  2092. TEST(AXEventGeneratorTest, AriaBusyChanged) {
  2093. AXTreeUpdate initial_state;
  2094. initial_state.root_id = 1;
  2095. initial_state.nodes.resize(1);
  2096. initial_state.nodes[0].id = 1;
  2097. initial_state.nodes[0].AddBoolAttribute(ax::mojom::BoolAttribute::kBusy,
  2098. true);
  2099. AXTree tree(initial_state);
  2100. AXEventGenerator event_generator(&tree);
  2101. ASSERT_THAT(event_generator, IsEmpty());
  2102. AXTreeUpdate update = initial_state;
  2103. update.nodes[0].AddBoolAttribute(ax::mojom::BoolAttribute::kBusy, false);
  2104. ASSERT_TRUE(tree.Unserialize(update));
  2105. EXPECT_THAT(
  2106. event_generator,
  2107. UnorderedElementsAre(
  2108. HasEventAtNode(AXEventGenerator::Event::BUSY_CHANGED, 1),
  2109. HasEventAtNode(AXEventGenerator::Event::LAYOUT_INVALIDATED, 1),
  2110. HasEventAtNode(AXEventGenerator::Event::WIN_IACCESSIBLE_STATE_CHANGED,
  2111. 1)));
  2112. }
  2113. TEST(AXEventGeneratorTest, MultiselectableStateChanged) {
  2114. AXTreeUpdate initial_state;
  2115. initial_state.root_id = 1;
  2116. initial_state.nodes.resize(1);
  2117. initial_state.nodes[0].id = 1;
  2118. initial_state.nodes[0].role = ax::mojom::Role::kGrid;
  2119. AXTree tree(initial_state);
  2120. AXEventGenerator event_generator(&tree);
  2121. ASSERT_THAT(event_generator, IsEmpty());
  2122. AXTreeUpdate update = initial_state;
  2123. update.nodes[0].AddState(ax::mojom::State::kMultiselectable);
  2124. EXPECT_TRUE(tree.Unserialize(update));
  2125. EXPECT_THAT(
  2126. event_generator,
  2127. UnorderedElementsAre(
  2128. HasEventAtNode(AXEventGenerator::Event::MULTISELECTABLE_STATE_CHANGED,
  2129. 1),
  2130. HasEventAtNode(AXEventGenerator::Event::STATE_CHANGED, 1),
  2131. HasEventAtNode(AXEventGenerator::Event::WIN_IACCESSIBLE_STATE_CHANGED,
  2132. 1)));
  2133. }
  2134. TEST(AXEventGeneratorTest, RequiredStateChanged) {
  2135. AXNodeData text_field;
  2136. text_field.id = 1;
  2137. text_field.role = ax::mojom::Role::kTextField;
  2138. text_field.AddState(ax::mojom::State::kEditable);
  2139. AXTreeUpdate initial_state;
  2140. initial_state.root_id = text_field.id;
  2141. initial_state.nodes = {text_field};
  2142. AXTree tree(initial_state);
  2143. AXEventGenerator event_generator(&tree);
  2144. ASSERT_THAT(event_generator, IsEmpty());
  2145. AXTreeUpdate update;
  2146. text_field.AddState(ax::mojom::State::kRequired);
  2147. update.nodes = {text_field};
  2148. ASSERT_TRUE(tree.Unserialize(update));
  2149. EXPECT_THAT(
  2150. event_generator,
  2151. UnorderedElementsAre(
  2152. HasEventAtNode(AXEventGenerator::Event::REQUIRED_STATE_CHANGED, 1),
  2153. HasEventAtNode(AXEventGenerator::Event::STATE_CHANGED, 1),
  2154. HasEventAtNode(AXEventGenerator::Event::WIN_IACCESSIBLE_STATE_CHANGED,
  2155. 1)));
  2156. }
  2157. TEST(AXEventGeneratorTest, FlowToChanged) {
  2158. AXTreeUpdate initial_state;
  2159. initial_state.root_id = 1;
  2160. initial_state.nodes.resize(6);
  2161. initial_state.nodes[0].id = 1;
  2162. initial_state.nodes[0].role = ax::mojom::Role::kGenericContainer;
  2163. initial_state.nodes[0].child_ids.assign({2, 3, 4, 5, 6});
  2164. initial_state.nodes[1].id = 2;
  2165. initial_state.nodes[1].role = ax::mojom::Role::kGenericContainer;
  2166. initial_state.nodes[1].AddIntListAttribute(
  2167. ax::mojom::IntListAttribute::kFlowtoIds, {3, 4});
  2168. initial_state.nodes[2].id = 3;
  2169. initial_state.nodes[2].role = ax::mojom::Role::kGenericContainer;
  2170. initial_state.nodes[3].id = 4;
  2171. initial_state.nodes[3].role = ax::mojom::Role::kGenericContainer;
  2172. initial_state.nodes[4].id = 5;
  2173. initial_state.nodes[4].role = ax::mojom::Role::kGenericContainer;
  2174. initial_state.nodes[5].id = 6;
  2175. initial_state.nodes[5].role = ax::mojom::Role::kGenericContainer;
  2176. AXTree tree(initial_state);
  2177. AXEventGenerator event_generator(&tree);
  2178. ASSERT_THAT(event_generator, IsEmpty());
  2179. AXTreeUpdate update = initial_state;
  2180. update.nodes[1].AddIntListAttribute(ax::mojom::IntListAttribute::kFlowtoIds,
  2181. {4, 5, 6});
  2182. EXPECT_TRUE(tree.Unserialize(update));
  2183. EXPECT_THAT(
  2184. event_generator,
  2185. UnorderedElementsAre(
  2186. HasEventAtNode(AXEventGenerator::Event::FLOW_FROM_CHANGED, 3),
  2187. HasEventAtNode(AXEventGenerator::Event::FLOW_FROM_CHANGED, 5),
  2188. HasEventAtNode(AXEventGenerator::Event::FLOW_FROM_CHANGED, 6),
  2189. HasEventAtNode(AXEventGenerator::Event::FLOW_TO_CHANGED, 2),
  2190. HasEventAtNode(AXEventGenerator::Event::RELATED_NODE_CHANGED, 2)));
  2191. }
  2192. TEST(AXEventGeneratorTest, ControlsChanged) {
  2193. AXTreeUpdate initial_state;
  2194. initial_state.root_id = 1;
  2195. initial_state.nodes.resize(2);
  2196. initial_state.nodes[0].id = 1;
  2197. initial_state.nodes[0].child_ids.push_back(2);
  2198. initial_state.nodes[1].id = 2;
  2199. AXTree tree(initial_state);
  2200. AXEventGenerator event_generator(&tree);
  2201. ASSERT_THAT(event_generator, IsEmpty());
  2202. AXTreeUpdate update = initial_state;
  2203. std::vector<int> ids = {2};
  2204. update.nodes[0].AddIntListAttribute(ax::mojom::IntListAttribute::kControlsIds,
  2205. ids);
  2206. EXPECT_TRUE(tree.Unserialize(update));
  2207. EXPECT_THAT(
  2208. event_generator,
  2209. UnorderedElementsAre(
  2210. HasEventAtNode(AXEventGenerator::Event::CONTROLS_CHANGED, 1),
  2211. HasEventAtNode(AXEventGenerator::Event::RELATED_NODE_CHANGED, 1)));
  2212. }
  2213. TEST(AXEventGeneratorTest, AtomicChanged) {
  2214. AXTreeUpdate initial_state;
  2215. initial_state.root_id = 1;
  2216. initial_state.nodes.resize(1);
  2217. initial_state.nodes[0].id = 1;
  2218. AXTree tree(initial_state);
  2219. AXEventGenerator event_generator(&tree);
  2220. ASSERT_THAT(event_generator, IsEmpty());
  2221. AXTreeUpdate update = initial_state;
  2222. update.nodes[0].AddBoolAttribute(ax::mojom::BoolAttribute::kLiveAtomic, true);
  2223. EXPECT_TRUE(tree.Unserialize(update));
  2224. EXPECT_THAT(event_generator,
  2225. UnorderedElementsAre(
  2226. HasEventAtNode(AXEventGenerator::Event::ATOMIC_CHANGED, 1)));
  2227. }
  2228. TEST(AXEventGeneratorTest, DropeffectChanged) {
  2229. AXTreeUpdate initial_state;
  2230. initial_state.root_id = 1;
  2231. initial_state.nodes.resize(1);
  2232. initial_state.nodes[0].id = 1;
  2233. AXTree tree(initial_state);
  2234. AXEventGenerator event_generator(&tree);
  2235. ASSERT_THAT(event_generator, IsEmpty());
  2236. AXTreeUpdate update = initial_state;
  2237. update.nodes[0].AddDropeffect(ax::mojom::Dropeffect::kCopy);
  2238. EXPECT_TRUE(tree.Unserialize(update));
  2239. EXPECT_THAT(event_generator,
  2240. UnorderedElementsAre(HasEventAtNode(
  2241. AXEventGenerator::Event::DROPEFFECT_CHANGED, 1)));
  2242. }
  2243. TEST(AXEventGeneratorTest, GrabbedChanged) {
  2244. AXTreeUpdate initial_state;
  2245. initial_state.root_id = 1;
  2246. initial_state.nodes.resize(1);
  2247. initial_state.nodes[0].id = 1;
  2248. AXTree tree(initial_state);
  2249. AXEventGenerator event_generator(&tree);
  2250. ASSERT_THAT(event_generator, IsEmpty());
  2251. AXTreeUpdate update = initial_state;
  2252. update.nodes[0].AddBoolAttribute(ax::mojom::BoolAttribute::kGrabbed, true);
  2253. EXPECT_TRUE(tree.Unserialize(update));
  2254. EXPECT_THAT(event_generator,
  2255. UnorderedElementsAre(
  2256. HasEventAtNode(AXEventGenerator::Event::GRABBED_CHANGED, 1)));
  2257. }
  2258. TEST(AXEventGeneratorTest, HasPopupChanged) {
  2259. AXTreeUpdate initial_state;
  2260. initial_state.root_id = 1;
  2261. initial_state.nodes.resize(1);
  2262. initial_state.nodes[0].id = 1;
  2263. AXTree tree(initial_state);
  2264. AXEventGenerator event_generator(&tree);
  2265. ASSERT_THAT(event_generator, IsEmpty());
  2266. AXTreeUpdate update = initial_state;
  2267. update.nodes[0].SetHasPopup(ax::mojom::HasPopup::kTrue);
  2268. EXPECT_TRUE(tree.Unserialize(update));
  2269. EXPECT_THAT(
  2270. event_generator,
  2271. UnorderedElementsAre(
  2272. HasEventAtNode(AXEventGenerator::Event::HASPOPUP_CHANGED, 1),
  2273. HasEventAtNode(AXEventGenerator::Event::WIN_IACCESSIBLE_STATE_CHANGED,
  2274. 1)));
  2275. }
  2276. TEST(AXEventGeneratorTest, LiveRelevantChanged) {
  2277. AXTreeUpdate initial_state;
  2278. initial_state.root_id = 1;
  2279. initial_state.nodes.resize(1);
  2280. initial_state.nodes[0].id = 1;
  2281. AXTree tree(initial_state);
  2282. AXEventGenerator event_generator(&tree);
  2283. ASSERT_THAT(event_generator, IsEmpty());
  2284. AXTreeUpdate update = initial_state;
  2285. update.nodes[0].AddStringAttribute(ax::mojom::StringAttribute::kLiveRelevant,
  2286. "all");
  2287. EXPECT_TRUE(tree.Unserialize(update));
  2288. EXPECT_THAT(event_generator,
  2289. UnorderedElementsAre(HasEventAtNode(
  2290. AXEventGenerator::Event::LIVE_RELEVANT_CHANGED, 1)));
  2291. }
  2292. TEST(AXEventGeneratorTest, MultilineStateChanged) {
  2293. AXTreeUpdate initial_state;
  2294. initial_state.root_id = 1;
  2295. initial_state.nodes.resize(1);
  2296. initial_state.nodes[0].id = 1;
  2297. AXTree tree(initial_state);
  2298. AXEventGenerator event_generator(&tree);
  2299. ASSERT_THAT(event_generator, IsEmpty());
  2300. AXTreeUpdate update = initial_state;
  2301. update.nodes[0].AddState(ax::mojom::State::kMultiline);
  2302. EXPECT_TRUE(tree.Unserialize(update));
  2303. EXPECT_THAT(
  2304. event_generator,
  2305. UnorderedElementsAre(
  2306. HasEventAtNode(AXEventGenerator::Event::MULTILINE_STATE_CHANGED, 1),
  2307. HasEventAtNode(AXEventGenerator::Event::STATE_CHANGED, 1),
  2308. HasEventAtNode(AXEventGenerator::Event::WIN_IACCESSIBLE_STATE_CHANGED,
  2309. 1)));
  2310. }
  2311. TEST(AXEventGeneratorTest, EditableTextChanged) {
  2312. AXNodeData root;
  2313. root.id = 1;
  2314. root.role = ax::mojom::Role::kRootWebArea;
  2315. AXNodeData text_field;
  2316. text_field.id = 2;
  2317. text_field.role = ax::mojom::Role::kTextField;
  2318. text_field.AddState(ax::mojom::State::kEditable);
  2319. text_field.SetValue("Before");
  2320. root.child_ids = {text_field.id};
  2321. AXNodeData static_text;
  2322. static_text.id = 3;
  2323. static_text.role = ax::mojom::Role::kStaticText;
  2324. static_text.AddState(ax::mojom::State::kEditable);
  2325. static_text.SetName("Before");
  2326. text_field.child_ids = {static_text.id};
  2327. AXTreeUpdate initial_state;
  2328. initial_state.root_id = root.id;
  2329. initial_state.nodes = {root, text_field, static_text};
  2330. AXTree tree(initial_state);
  2331. AXEventGenerator event_generator(&tree);
  2332. ASSERT_THAT(event_generator, IsEmpty());
  2333. text_field.SetValue("After");
  2334. static_text.SetName("After");
  2335. AXTreeUpdate update;
  2336. update.nodes = {text_field, static_text};
  2337. ASSERT_TRUE(tree.Unserialize(update));
  2338. EXPECT_THAT(
  2339. event_generator,
  2340. UnorderedElementsAre(
  2341. HasEventAtNode(AXEventGenerator::Event::VALUE_IN_TEXT_FIELD_CHANGED,
  2342. text_field.id),
  2343. HasEventAtNode(AXEventGenerator::Event::NAME_CHANGED, static_text.id),
  2344. HasEventAtNode(AXEventGenerator::Event::EDITABLE_TEXT_CHANGED,
  2345. text_field.id)));
  2346. }
  2347. TEST(AXEventGeneratorTest, CheckedStateDescriptionChanged) {
  2348. AXTreeUpdate initial_state;
  2349. initial_state.root_id = 1;
  2350. initial_state.nodes.resize(1);
  2351. initial_state.nodes[0].id = 1;
  2352. AXTree tree(initial_state);
  2353. AXEventGenerator event_generator(&tree);
  2354. ASSERT_THAT(event_generator, IsEmpty());
  2355. AXTreeUpdate update = initial_state;
  2356. update.nodes[0].AddStringAttribute(
  2357. ax::mojom::StringAttribute::kCheckedStateDescription, "Checked");
  2358. EXPECT_TRUE(tree.Unserialize(update));
  2359. EXPECT_THAT(
  2360. event_generator,
  2361. UnorderedElementsAre(HasEventAtNode(
  2362. AXEventGenerator::Event::CHECKED_STATE_DESCRIPTION_CHANGED, 1)));
  2363. }
  2364. TEST(AXEventGeneratorTest, LiveRegionNodeRemoved) {
  2365. AXTreeUpdate initial_state;
  2366. initial_state.root_id = 1;
  2367. initial_state.nodes.resize(3);
  2368. initial_state.nodes[0].id = 1;
  2369. initial_state.nodes[0].AddStringAttribute(
  2370. ax::mojom::StringAttribute::kLiveStatus, "polite");
  2371. initial_state.nodes[0].AddStringAttribute(
  2372. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  2373. initial_state.nodes[0].child_ids = {2, 3};
  2374. initial_state.nodes[1].id = 2;
  2375. initial_state.nodes[1].role = ax::mojom::Role::kStaticText;
  2376. initial_state.nodes[1].AddStringAttribute(
  2377. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  2378. initial_state.nodes[1].AddStringAttribute(ax::mojom::StringAttribute::kName,
  2379. "Before 1");
  2380. initial_state.nodes[2].id = 3;
  2381. initial_state.nodes[2].role = ax::mojom::Role::kStaticText;
  2382. initial_state.nodes[2].AddStringAttribute(
  2383. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  2384. initial_state.nodes[2].AddStringAttribute(ax::mojom::StringAttribute::kName,
  2385. "Before 2");
  2386. AXTree tree(initial_state);
  2387. AXEventGenerator event_generator(&tree);
  2388. AXTreeUpdate update = initial_state;
  2389. update.nodes.resize(1);
  2390. update.nodes[0].child_ids = {2};
  2391. EXPECT_TRUE(tree.Unserialize(update));
  2392. EXPECT_THAT(
  2393. event_generator,
  2394. UnorderedElementsAre(
  2395. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 1),
  2396. HasEventAtNode(AXEventGenerator::Event::LIVE_REGION_CHANGED, 1)));
  2397. }
  2398. TEST(AXEventGeneratorTest, LiveRegionNodeReparented) {
  2399. AXTreeUpdate initial_state;
  2400. initial_state.root_id = 1;
  2401. initial_state.nodes.resize(5);
  2402. initial_state.nodes[0].id = 1;
  2403. initial_state.nodes[0].child_ids = {2, 3};
  2404. initial_state.nodes[1].id = 2;
  2405. initial_state.nodes[1].child_ids = {4};
  2406. initial_state.nodes[1].AddStringAttribute(
  2407. ax::mojom::StringAttribute::kLiveStatus, "polite");
  2408. initial_state.nodes[1].AddStringAttribute(
  2409. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  2410. initial_state.nodes[2].id = 3;
  2411. initial_state.nodes[2].AddStringAttribute(
  2412. ax::mojom::StringAttribute::kLiveStatus, "polite");
  2413. initial_state.nodes[2].AddStringAttribute(
  2414. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  2415. initial_state.nodes[3].id = 4;
  2416. initial_state.nodes[3].child_ids = {5};
  2417. initial_state.nodes[3].AddStringAttribute(
  2418. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  2419. initial_state.nodes[3].AddStringAttribute(ax::mojom::StringAttribute::kName,
  2420. "Live child");
  2421. initial_state.nodes[4].id = 5;
  2422. initial_state.nodes[4].role = ax::mojom::Role::kStaticText;
  2423. initial_state.nodes[4].AddStringAttribute(
  2424. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  2425. initial_state.nodes[4].AddStringAttribute(ax::mojom::StringAttribute::kName,
  2426. "Live child");
  2427. AXTree tree(initial_state);
  2428. AXEventGenerator event_generator(&tree);
  2429. AXTreeUpdate update = initial_state;
  2430. update.nodes[1].child_ids = {};
  2431. update.nodes[2].child_ids = {4};
  2432. EXPECT_TRUE(tree.Unserialize(update));
  2433. EXPECT_THAT(
  2434. event_generator,
  2435. UnorderedElementsAre(
  2436. HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 4),
  2437. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 2),
  2438. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 3)));
  2439. update.nodes[4].string_attributes.clear();
  2440. update.nodes[4].AddStringAttribute(
  2441. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  2442. update.nodes[4].AddStringAttribute(ax::mojom::StringAttribute::kName,
  2443. "Live child after");
  2444. event_generator.ClearEvents();
  2445. EXPECT_TRUE(tree.Unserialize(update));
  2446. EXPECT_THAT(
  2447. event_generator,
  2448. UnorderedElementsAre(
  2449. HasEventAtNode(AXEventGenerator::Event::LIVE_REGION_CHANGED, 3),
  2450. HasEventAtNode(AXEventGenerator::Event::LIVE_REGION_NODE_CHANGED, 5),
  2451. HasEventAtNode(AXEventGenerator::Event::NAME_CHANGED, 5)));
  2452. }
  2453. TEST(AXEventGeneratorTest, LiveRegionRootRemoved) {
  2454. AXTreeUpdate initial_state;
  2455. initial_state.root_id = 1;
  2456. initial_state.nodes.resize(3);
  2457. initial_state.nodes[0].id = 1;
  2458. initial_state.nodes[0].child_ids = {2};
  2459. initial_state.nodes[1].id = 2;
  2460. initial_state.nodes[1].role = ax::mojom::Role::kGenericContainer;
  2461. initial_state.nodes[1].AddStringAttribute(
  2462. ax::mojom::StringAttribute::kLiveStatus, "polite");
  2463. initial_state.nodes[1].AddStringAttribute(
  2464. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  2465. initial_state.nodes[1].child_ids = {3};
  2466. initial_state.nodes[2].id = 3;
  2467. initial_state.nodes[2].role = ax::mojom::Role::kStaticText;
  2468. initial_state.nodes[2].AddStringAttribute(
  2469. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  2470. initial_state.nodes[2].AddStringAttribute(ax::mojom::StringAttribute::kName,
  2471. "Live");
  2472. AXTree tree(initial_state);
  2473. AXEventGenerator event_generator(&tree);
  2474. AXTreeUpdate update = initial_state;
  2475. update.nodes.resize(1);
  2476. update.nodes[0].child_ids = {};
  2477. EXPECT_TRUE(tree.Unserialize(update));
  2478. EXPECT_THAT(event_generator,
  2479. UnorderedElementsAre(HasEventAtNode(
  2480. AXEventGenerator::Event::CHILDREN_CHANGED, 1)));
  2481. }
  2482. TEST(AXEventGeneratorTest, LiveRootsNested) {
  2483. AXTreeUpdate initial_state;
  2484. initial_state.root_id = 1;
  2485. initial_state.nodes.resize(4);
  2486. initial_state.nodes[0].id = 1;
  2487. initial_state.nodes[0].child_ids = {2};
  2488. initial_state.nodes[1].id = 2;
  2489. initial_state.nodes[1].child_ids = {3};
  2490. initial_state.nodes[1].AddStringAttribute(
  2491. ax::mojom::StringAttribute::kLiveStatus, "polite");
  2492. initial_state.nodes[1].AddStringAttribute(
  2493. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  2494. initial_state.nodes[2].id = 3;
  2495. initial_state.nodes[2].AddStringAttribute(
  2496. ax::mojom::StringAttribute::kLiveStatus, "polite");
  2497. initial_state.nodes[2].AddStringAttribute(
  2498. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  2499. initial_state.nodes[2].child_ids = {4};
  2500. initial_state.nodes[3].id = 4;
  2501. initial_state.nodes[3].AddStringAttribute(
  2502. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  2503. initial_state.nodes[3].AddStringAttribute(ax::mojom::StringAttribute::kName,
  2504. "Live child");
  2505. AXTree tree(initial_state);
  2506. AXEventGenerator event_generator(&tree);
  2507. AXTreeUpdate update = initial_state;
  2508. update.nodes[3].AddStringAttribute(ax::mojom::StringAttribute::kName,
  2509. "Live child after");
  2510. EXPECT_TRUE(tree.Unserialize(update));
  2511. EXPECT_THAT(
  2512. event_generator,
  2513. UnorderedElementsAre(
  2514. HasEventAtNode(AXEventGenerator::Event::LIVE_REGION_CHANGED, 3),
  2515. HasEventAtNode(AXEventGenerator::Event::LIVE_REGION_NODE_CHANGED, 4),
  2516. HasEventAtNode(AXEventGenerator::Event::NAME_CHANGED, 4)));
  2517. }
  2518. TEST(AXEventGeneratorTest, LiveRootDescendantOfClearedNodeChanged) {
  2519. AXTreeUpdate initial_state;
  2520. initial_state.root_id = 1;
  2521. initial_state.nodes.resize(4);
  2522. initial_state.nodes[0].id = 1;
  2523. initial_state.nodes[0].child_ids = {2};
  2524. initial_state.nodes[1].id = 2;
  2525. initial_state.nodes[1].child_ids = {3};
  2526. initial_state.nodes[2].id = 3;
  2527. initial_state.nodes[2].AddStringAttribute(
  2528. ax::mojom::StringAttribute::kLiveStatus, "polite");
  2529. initial_state.nodes[2].AddStringAttribute(
  2530. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  2531. initial_state.nodes[2].child_ids = {4};
  2532. initial_state.nodes[3].id = 4;
  2533. initial_state.nodes[3].AddStringAttribute(
  2534. ax::mojom::StringAttribute::kContainerLiveStatus, "polite");
  2535. initial_state.nodes[3].AddStringAttribute(ax::mojom::StringAttribute::kName,
  2536. "Live child");
  2537. AXTree tree(initial_state);
  2538. AXEventGenerator event_generator(&tree);
  2539. AXTreeUpdate update = initial_state;
  2540. update.node_id_to_clear = 2;
  2541. update.nodes[2].child_ids = {};
  2542. update.nodes.resize(3);
  2543. // In this case the live region root is "reparented" because its removed
  2544. // when its parent is cleared and then re-added in the update.
  2545. EXPECT_TRUE(tree.Unserialize(update));
  2546. EXPECT_THAT(
  2547. event_generator,
  2548. UnorderedElementsAre(
  2549. HasEventAtNode(AXEventGenerator::Event::LIVE_REGION_CHANGED, 3),
  2550. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 3),
  2551. HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 3)));
  2552. }
  2553. TEST(AXEventGeneratorTest, NoParentChangedOnIgnoredNode) {
  2554. // This test produces parent-changed events on ignored nodes, and serves as a
  2555. // way to test they are properly removed in PostprocessEvents.
  2556. // It was created through pseudo-automatic code generation and is based on the
  2557. // chrome://history page, where we detected this kind of events happening.
  2558. // BEFORE:
  2559. // id=47 application child_ids=167,94
  2560. // id=167 inlineTextBox
  2561. // id=94 grid child_ids=98,99
  2562. // id=98 genericContainer IGNORED
  2563. // id=99 genericContainer child_ids=100
  2564. // id=100 genericContainer IGNORED child_ids=101
  2565. // id=101 genericContainer IGNORED INVISIBLE
  2566. // AFTER
  2567. // id=47 application child_ids=167,168
  2568. // id=167 inlineTextBox
  2569. // id=168 grid IGNORED INVISIBLE child_ids=169,170
  2570. // id=169 genericContainer IGNORED INVISIBLE
  2571. // id=170 genericContainer IGNORED INVISIBLE child_ids=100
  2572. // id=100 genericContainer IGNORED INVISIBLE child_ids=101
  2573. // id=101 genericContainer IGNORED INVISIBLE
  2574. AXTreeUpdate initial_state;
  2575. initial_state.root_id = 47;
  2576. {
  2577. AXNodeData data;
  2578. data.id = 47;
  2579. data.role = ax::mojom::Role::kApplication;
  2580. data.child_ids = {167, 94};
  2581. initial_state.nodes.push_back(data);
  2582. }
  2583. {
  2584. AXNodeData data;
  2585. data.id = 167;
  2586. data.role = ax::mojom::Role::kInlineTextBox;
  2587. initial_state.nodes.push_back(data);
  2588. }
  2589. {
  2590. AXNodeData data;
  2591. data.id = 94;
  2592. data.role = ax::mojom::Role::kGrid;
  2593. data.child_ids = {98, 99};
  2594. initial_state.nodes.push_back(data);
  2595. }
  2596. {
  2597. AXNodeData data;
  2598. data.id = 98;
  2599. data.role = ax::mojom::Role::kGenericContainer;
  2600. data.AddState(ax::mojom::State::kIgnored);
  2601. initial_state.nodes.push_back(data);
  2602. }
  2603. {
  2604. AXNodeData data;
  2605. data.id = 99;
  2606. data.role = ax::mojom::Role::kGenericContainer;
  2607. data.child_ids = {100};
  2608. initial_state.nodes.push_back(data);
  2609. }
  2610. {
  2611. AXNodeData data;
  2612. data.id = 100;
  2613. data.role = ax::mojom::Role::kGenericContainer;
  2614. data.child_ids = {101};
  2615. data.AddState(ax::mojom::State::kIgnored);
  2616. initial_state.nodes.push_back(data);
  2617. }
  2618. {
  2619. AXNodeData data;
  2620. data.id = 101;
  2621. data.role = ax::mojom::Role::kGenericContainer;
  2622. data.AddState(ax::mojom::State::kInvisible);
  2623. data.AddState(ax::mojom::State::kIgnored);
  2624. initial_state.nodes.push_back(data);
  2625. }
  2626. AXTree tree(initial_state);
  2627. AXEventGenerator event_generator(&tree);
  2628. ASSERT_THAT(event_generator, IsEmpty());
  2629. AXTreeUpdate update;
  2630. {
  2631. AXNodeData data;
  2632. data.id = 47;
  2633. data.role = ax::mojom::Role::kApplication;
  2634. data.child_ids = {167, 168};
  2635. update.nodes.push_back(data);
  2636. }
  2637. {
  2638. AXNodeData data;
  2639. data.id = 167;
  2640. data.role = ax::mojom::Role::kInlineTextBox;
  2641. update.nodes.push_back(data);
  2642. }
  2643. {
  2644. AXNodeData data;
  2645. data.id = 168;
  2646. data.role = ax::mojom::Role::kGrid;
  2647. data.child_ids = {169, 170};
  2648. data.AddState(ax::mojom::State::kInvisible);
  2649. data.AddState(ax::mojom::State::kIgnored);
  2650. update.nodes.push_back(data);
  2651. }
  2652. {
  2653. AXNodeData data;
  2654. data.id = 169;
  2655. data.role = ax::mojom::Role::kGenericContainer;
  2656. data.AddState(ax::mojom::State::kInvisible);
  2657. data.AddState(ax::mojom::State::kIgnored);
  2658. update.nodes.push_back(data);
  2659. }
  2660. {
  2661. AXNodeData data;
  2662. data.id = 170;
  2663. data.role = ax::mojom::Role::kGenericContainer;
  2664. data.child_ids = {100};
  2665. data.AddState(ax::mojom::State::kInvisible);
  2666. data.AddState(ax::mojom::State::kIgnored);
  2667. update.nodes.push_back(data);
  2668. }
  2669. {
  2670. AXNodeData data;
  2671. data.id = 100;
  2672. data.role = ax::mojom::Role::kGenericContainer;
  2673. data.child_ids = {101};
  2674. data.AddState(ax::mojom::State::kInvisible);
  2675. data.AddState(ax::mojom::State::kIgnored);
  2676. update.nodes.push_back(data);
  2677. }
  2678. {
  2679. AXNodeData data;
  2680. data.id = 101;
  2681. data.role = ax::mojom::Role::kGenericContainer;
  2682. data.AddState(ax::mojom::State::kInvisible);
  2683. data.AddState(ax::mojom::State::kIgnored);
  2684. update.nodes.push_back(data);
  2685. }
  2686. ASSERT_TRUE(tree.Unserialize(update));
  2687. EXPECT_THAT(
  2688. event_generator,
  2689. UnorderedElementsAre(
  2690. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 47),
  2691. HasEventAtNode(AXEventGenerator::Event::STATE_CHANGED, 100),
  2692. HasEventAtNode(AXEventGenerator::Event::WIN_IACCESSIBLE_STATE_CHANGED,
  2693. 100),
  2694. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 168)));
  2695. // These are the events that shouldn't be happening:
  2696. // HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 100),
  2697. // HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 101),
  2698. }
  2699. TEST(AXEventGeneratorTest, ParentChangedOnIgnoredNodeFiresOnChildren) {
  2700. // This is a variation of the previous test, designed to check if, in the
  2701. // situation of parent-changed events happening on ignored nodes, the events
  2702. // are correctly fired in their non-ignored children.
  2703. // BEFORE:
  2704. // id=47 application child_ids=167,94
  2705. // id=167 inlineTextBox
  2706. // id=94 grid child_ids=98,99
  2707. // id=98 genericContainer IGNORED
  2708. // id=99 genericContainer child_ids=100
  2709. // id=100 genericContainer IGNORED child_ids=101,102
  2710. // id=101 genericContainer IGNORED INVISIBLE child_ids=103,104
  2711. // id=103 staticText
  2712. // id=104 staticText
  2713. // id=102 staticText
  2714. // AFTER
  2715. // id=47 application child_ids=167,168
  2716. // id=167 inlineTextBox
  2717. // id=168 grid IGNORED INVISIBLE child_ids=169,170
  2718. // id=169 genericContainer IGNORED INVISIBLE
  2719. // id=170 genericContainer IGNORED INVISIBLE child_ids=100
  2720. // id=100 genericContainer IGNORED INVISIBLE child_ids=101,102
  2721. // id=101 genericContainer IGNORED INVISIBLE child_ids=103,104
  2722. // id=103 staticText
  2723. // id=104 staticText
  2724. // id=102 staticText
  2725. AXTreeUpdate initial_state;
  2726. initial_state.root_id = 47;
  2727. {
  2728. AXNodeData data;
  2729. data.id = 47;
  2730. data.role = ax::mojom::Role::kApplication;
  2731. data.child_ids = {167, 94};
  2732. initial_state.nodes.push_back(data);
  2733. }
  2734. {
  2735. AXNodeData data;
  2736. data.id = 167;
  2737. data.role = ax::mojom::Role::kInlineTextBox;
  2738. initial_state.nodes.push_back(data);
  2739. }
  2740. {
  2741. AXNodeData data;
  2742. data.id = 94;
  2743. data.role = ax::mojom::Role::kGrid;
  2744. data.child_ids = {98, 99};
  2745. initial_state.nodes.push_back(data);
  2746. }
  2747. {
  2748. AXNodeData data;
  2749. data.id = 98;
  2750. data.role = ax::mojom::Role::kGenericContainer;
  2751. data.AddState(ax::mojom::State::kIgnored);
  2752. initial_state.nodes.push_back(data);
  2753. }
  2754. {
  2755. AXNodeData data;
  2756. data.id = 99;
  2757. data.role = ax::mojom::Role::kGenericContainer;
  2758. data.child_ids = {100};
  2759. initial_state.nodes.push_back(data);
  2760. }
  2761. {
  2762. AXNodeData data;
  2763. data.id = 100;
  2764. data.role = ax::mojom::Role::kGenericContainer;
  2765. data.child_ids = {101, 102};
  2766. data.AddState(ax::mojom::State::kIgnored);
  2767. initial_state.nodes.push_back(data);
  2768. }
  2769. {
  2770. AXNodeData data;
  2771. data.id = 101;
  2772. data.role = ax::mojom::Role::kGenericContainer;
  2773. data.child_ids = {103, 104};
  2774. data.AddState(ax::mojom::State::kInvisible);
  2775. data.AddState(ax::mojom::State::kIgnored);
  2776. initial_state.nodes.push_back(data);
  2777. }
  2778. {
  2779. AXNodeData data;
  2780. data.id = 102;
  2781. data.role = ax::mojom::Role::kStaticText;
  2782. initial_state.nodes.push_back(data);
  2783. }
  2784. {
  2785. AXNodeData data;
  2786. data.id = 103;
  2787. data.role = ax::mojom::Role::kStaticText;
  2788. initial_state.nodes.push_back(data);
  2789. }
  2790. {
  2791. AXNodeData data;
  2792. data.id = 104;
  2793. data.role = ax::mojom::Role::kStaticText;
  2794. initial_state.nodes.push_back(data);
  2795. }
  2796. AXTree tree(initial_state);
  2797. AXEventGenerator event_generator(&tree);
  2798. ASSERT_THAT(event_generator, IsEmpty());
  2799. AXTreeUpdate update;
  2800. {
  2801. AXNodeData data;
  2802. data.id = 47;
  2803. data.role = ax::mojom::Role::kApplication;
  2804. data.child_ids = {167, 168};
  2805. update.nodes.push_back(data);
  2806. }
  2807. {
  2808. AXNodeData data;
  2809. data.id = 167;
  2810. data.role = ax::mojom::Role::kInlineTextBox;
  2811. update.nodes.push_back(data);
  2812. }
  2813. {
  2814. AXNodeData data;
  2815. data.id = 168;
  2816. data.role = ax::mojom::Role::kGrid;
  2817. data.child_ids = {169, 170};
  2818. data.AddState(ax::mojom::State::kInvisible);
  2819. data.AddState(ax::mojom::State::kIgnored);
  2820. update.nodes.push_back(data);
  2821. }
  2822. {
  2823. AXNodeData data;
  2824. data.id = 169;
  2825. data.role = ax::mojom::Role::kGenericContainer;
  2826. data.AddState(ax::mojom::State::kInvisible);
  2827. data.AddState(ax::mojom::State::kIgnored);
  2828. update.nodes.push_back(data);
  2829. }
  2830. {
  2831. AXNodeData data;
  2832. data.id = 170;
  2833. data.role = ax::mojom::Role::kGenericContainer;
  2834. data.child_ids = {100};
  2835. data.AddState(ax::mojom::State::kInvisible);
  2836. data.AddState(ax::mojom::State::kIgnored);
  2837. update.nodes.push_back(data);
  2838. }
  2839. {
  2840. AXNodeData data;
  2841. data.id = 100;
  2842. data.role = ax::mojom::Role::kGenericContainer;
  2843. data.child_ids = {101, 102};
  2844. data.AddState(ax::mojom::State::kInvisible);
  2845. data.AddState(ax::mojom::State::kIgnored);
  2846. update.nodes.push_back(data);
  2847. }
  2848. {
  2849. AXNodeData data;
  2850. data.id = 101;
  2851. data.role = ax::mojom::Role::kGenericContainer;
  2852. data.child_ids = {103, 104};
  2853. data.AddState(ax::mojom::State::kInvisible);
  2854. data.AddState(ax::mojom::State::kIgnored);
  2855. update.nodes.push_back(data);
  2856. }
  2857. {
  2858. AXNodeData data;
  2859. data.id = 102;
  2860. data.role = ax::mojom::Role::kStaticText;
  2861. update.nodes.push_back(data);
  2862. }
  2863. {
  2864. AXNodeData data;
  2865. data.id = 103;
  2866. data.role = ax::mojom::Role::kStaticText;
  2867. update.nodes.push_back(data);
  2868. }
  2869. {
  2870. AXNodeData data;
  2871. data.id = 104;
  2872. data.role = ax::mojom::Role::kStaticText;
  2873. update.nodes.push_back(data);
  2874. }
  2875. ASSERT_TRUE(tree.Unserialize(update));
  2876. EXPECT_THAT(
  2877. event_generator,
  2878. UnorderedElementsAre(
  2879. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 47),
  2880. HasEventAtNode(AXEventGenerator::Event::STATE_CHANGED, 100),
  2881. HasEventAtNode(AXEventGenerator::Event::WIN_IACCESSIBLE_STATE_CHANGED,
  2882. 100),
  2883. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 168),
  2884. HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 102),
  2885. HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 103),
  2886. HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 104)));
  2887. // These are the events that shouldn't be happening:
  2888. // HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 100),
  2889. // HasEventAtNode(AXEventGenerator::Event::PARENT_CHANGED, 101),
  2890. }
  2891. TEST(AXEventGeneratorTest, InsertUnderIgnoredTest) {
  2892. AXTreeUpdate initial_state;
  2893. initial_state.root_id = 1;
  2894. {
  2895. AXNodeData data;
  2896. data.id = 1;
  2897. data.role = ax::mojom::Role::kRootWebArea;
  2898. data.child_ids = {3};
  2899. initial_state.nodes.push_back(data);
  2900. }
  2901. {
  2902. AXNodeData data;
  2903. data.id = 3;
  2904. data.role = ax::mojom::Role::kGenericContainer;
  2905. data.AddState(ax::mojom::State::kIgnored);
  2906. initial_state.nodes.push_back(data);
  2907. }
  2908. AXTree tree(initial_state);
  2909. AXEventGenerator event_generator(&tree);
  2910. AXTreeUpdate update;
  2911. update.node_id_to_clear = 3;
  2912. {
  2913. AXNodeData data;
  2914. data.id = 3;
  2915. data.role = ax::mojom::Role::kGenericContainer;
  2916. data.child_ids = {5};
  2917. data.AddState(ax::mojom::State::kIgnored);
  2918. update.nodes.push_back(data);
  2919. }
  2920. {
  2921. AXNodeData data;
  2922. data.id = 5;
  2923. data.role = ax::mojom::Role::kGenericContainer;
  2924. update.nodes.push_back(data);
  2925. }
  2926. EXPECT_TRUE(tree.Unserialize(update));
  2927. EXPECT_THAT(event_generator,
  2928. UnorderedElementsAre(
  2929. HasEventAtNode(AXEventGenerator::Event::CHILDREN_CHANGED, 1),
  2930. HasEventAtNode(AXEventGenerator::Event::SUBTREE_CREATED, 5)));
  2931. }
  2932. } // namespace ui