scroll_state_unittest.cc 2.0 KB

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  1. // Copyright 2015 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 "cc/input/scroll_state.h"
  5. #include "cc/layers/layer_impl.h"
  6. #include "cc/test/fake_impl_task_runner_provider.h"
  7. #include "cc/test/fake_layer_tree_host_impl.h"
  8. #include "cc/test/test_task_graph_runner.h"
  9. #include "cc/trees/layer_tree_impl.h"
  10. #include "cc/trees/scroll_node.h"
  11. #include "testing/gmock/include/gmock/gmock.h"
  12. #include "testing/gtest/include/gtest/gtest.h"
  13. namespace cc {
  14. class ScrollStateTest : public testing::Test {};
  15. TEST_F(ScrollStateTest, ConsumeDeltaNative) {
  16. const float delta_x = 12.3f;
  17. const float delta_y = 3.9f;
  18. const float delta_x_to_consume = 1.2f;
  19. const float delta_y_to_consume = 2.3f;
  20. ScrollStateData scroll_state_data;
  21. scroll_state_data.delta_x = delta_x;
  22. scroll_state_data.delta_y = delta_y;
  23. ScrollState scroll_state(scroll_state_data);
  24. EXPECT_FLOAT_EQ(delta_x, scroll_state.delta_x());
  25. EXPECT_FLOAT_EQ(delta_y, scroll_state.delta_y());
  26. EXPECT_FALSE(scroll_state.delta_consumed_for_scroll_sequence());
  27. scroll_state.ConsumeDelta(0, 0);
  28. EXPECT_FLOAT_EQ(delta_x, scroll_state.delta_x());
  29. EXPECT_FLOAT_EQ(delta_y, scroll_state.delta_y());
  30. EXPECT_FALSE(scroll_state.delta_consumed_for_scroll_sequence());
  31. scroll_state.ConsumeDelta(delta_x_to_consume, 0);
  32. EXPECT_FLOAT_EQ(delta_x - delta_x_to_consume, scroll_state.delta_x());
  33. EXPECT_FLOAT_EQ(delta_y, scroll_state.delta_y());
  34. EXPECT_TRUE(scroll_state.delta_consumed_for_scroll_sequence());
  35. scroll_state.ConsumeDelta(0, delta_y_to_consume);
  36. EXPECT_FLOAT_EQ(delta_x - delta_x_to_consume, scroll_state.delta_x());
  37. EXPECT_FLOAT_EQ(delta_y - delta_y_to_consume, scroll_state.delta_y());
  38. EXPECT_TRUE(scroll_state.delta_consumed_for_scroll_sequence());
  39. scroll_state.ConsumeDelta(scroll_state.delta_x(), scroll_state.delta_y());
  40. EXPECT_TRUE(scroll_state.delta_consumed_for_scroll_sequence());
  41. }
  42. } // namespace cc