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- // Copyright (c) 2011 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "ppapi/tests/test_var_deprecated.h"
- #include <stdint.h>
- #include <string.h>
- #include <limits>
- #include "ppapi/c/dev/ppb_var_deprecated.h"
- #include "ppapi/c/pp_var.h"
- #include "ppapi/cpp/dev/scriptable_object_deprecated.h"
- #include "ppapi/cpp/instance.h"
- #include "ppapi/cpp/module.h"
- #include "ppapi/cpp/private/var_private.h"
- #include "ppapi/cpp/var.h"
- #include "ppapi/tests/testing_instance.h"
- namespace {
- uint32_t kInvalidLength = static_cast<uint32_t>(-1);
- static const char kSetValueFunction[] = "SetValue";
- // ScriptableObject used by the var tests.
- class VarScriptableObject : public pp::deprecated::ScriptableObject {
- public:
- explicit VarScriptableObject(TestVarDeprecated* v)
- : test_var_deprecated_(v) {}
- // pp::deprecated::ScriptableObject overrides.
- bool HasMethod(const pp::Var& name, pp::Var* exception);
- pp::Var Call(const pp::Var& name,
- const std::vector<pp::Var>& args,
- pp::Var* exception);
- private:
- TestVarDeprecated* test_var_deprecated_;
- };
- bool VarScriptableObject::HasMethod(const pp::Var& name, pp::Var* exception) {
- if (!name.is_string())
- return false;
- return name.AsString() == kSetValueFunction;
- }
- pp::Var VarScriptableObject::Call(const pp::Var& method_name,
- const std::vector<pp::Var>& args,
- pp::Var* exception) {
- if (!method_name.is_string())
- return false;
- std::string name = method_name.AsString();
- if (name == kSetValueFunction) {
- if (args.size() != 1)
- *exception = pp::Var("Bad argument to SetValue(<value>)");
- else
- test_var_deprecated_->set_var_from_page(pp::VarPrivate(args[0]));
- }
- return pp::Var();
- }
- } // namespace
- REGISTER_TEST_CASE(VarDeprecated);
- bool TestVarDeprecated::Init() {
- var_interface_ = static_cast<const PPB_Var_Deprecated*>(
- pp::Module::Get()->GetBrowserInterface(PPB_VAR_DEPRECATED_INTERFACE));
- return var_interface_ && CheckTestingInterface();
- }
- void TestVarDeprecated::RunTests(const std::string& filter) {
- RUN_TEST(BasicString, filter);
- RUN_TEST(InvalidAndEmpty, filter);
- RUN_TEST(InvalidUtf8, filter);
- RUN_TEST(NullInputInUtf8Conversion, filter);
- RUN_TEST(ValidUtf8, filter);
- RUN_TEST(Utf8WithEmbeddedNulls, filter);
- RUN_TEST(VarToUtf8ForWrongType, filter);
- RUN_TEST(HasPropertyAndMethod, filter);
- RUN_TEST(PassReference, filter);
- }
- pp::deprecated::ScriptableObject* TestVarDeprecated::CreateTestObject() {
- return new VarScriptableObject(this);
- }
- std::string TestVarDeprecated::TestBasicString() {
- uint32_t before_object = testing_interface_->GetLiveObjectsForInstance(
- instance_->pp_instance());
- {
- const char kStr[] = "Hello";
- const uint32_t kStrLen(sizeof(kStr) - 1);
- PP_Var str = var_interface_->VarFromUtf8(pp::Module::Get()->pp_module(),
- kStr, kStrLen);
- ASSERT_EQ(PP_VARTYPE_STRING, str.type);
- // Reading back the string should work.
- uint32_t len = 0;
- const char* result = var_interface_->VarToUtf8(str, &len);
- ASSERT_EQ(kStrLen, len);
- ASSERT_EQ(0, strncmp(kStr, result, kStrLen));
- // Destroy the string, readback should now fail.
- var_interface_->Release(str);
- result = var_interface_->VarToUtf8(str, &len);
- ASSERT_EQ(0, len);
- ASSERT_EQ(NULL, result);
- }
- // Make sure nothing leaked.
- ASSERT_TRUE(testing_interface_->GetLiveObjectsForInstance(
- instance_->pp_instance()) == before_object);
- PASS();
- }
- std::string TestVarDeprecated::TestInvalidAndEmpty() {
- PP_Var invalid_string;
- invalid_string.type = PP_VARTYPE_STRING;
- invalid_string.value.as_id = 31415926;
- // Invalid strings should give NULL as the return value.
- uint32_t len = std::numeric_limits<uint32_t>::max();
- const char* result = var_interface_->VarToUtf8(invalid_string, &len);
- ASSERT_EQ(0, len);
- ASSERT_EQ(NULL, result);
- // Same with vars that are not strings.
- len = std::numeric_limits<uint32_t>::max();
- pp::Var int_var(42);
- result = var_interface_->VarToUtf8(int_var.pp_var(), &len);
- ASSERT_EQ(0, len);
- ASSERT_EQ(NULL, result);
- // Empty strings should return non-NULL.
- pp::Var empty_string("");
- len = std::numeric_limits<uint32_t>::max();
- result = var_interface_->VarToUtf8(empty_string.pp_var(), &len);
- ASSERT_EQ(0, len);
- ASSERT_NE(NULL, result);
- PASS();
- }
- std::string TestVarDeprecated::TestInvalidUtf8() {
- // utf8じゃない (japanese for "is not utf8") in shift-jis encoding.
- static const char kSjisString[] = "utf8\x82\xb6\x82\xe1\x82\xc8\x82\xa2";
- pp::Var sjis(kSjisString);
- if (!sjis.is_null())
- return "Non-UTF8 string was permitted erroneously.";
- PASS();
- }
- std::string TestVarDeprecated::TestNullInputInUtf8Conversion() {
- // This test talks directly to the C interface to access edge cases that
- // cannot be exercised via the C++ interface.
- PP_Var converted_string;
- // 0-length string should not dereference input string, and should produce
- // an empty string.
- converted_string = var_interface_->VarFromUtf8(
- pp::Module::Get()->pp_module(), NULL, 0);
- if (converted_string.type != PP_VARTYPE_STRING) {
- return "Expected 0 length to return empty string.";
- }
- // Now convert it back.
- uint32_t length = kInvalidLength;
- const char* result = NULL;
- result = var_interface_->VarToUtf8(converted_string, &length);
- if (length != 0) {
- return "Expected 0 length string on conversion.";
- }
- if (result == NULL) {
- return "Expected a non-null result for 0-lengthed string from VarToUtf8.";
- }
- var_interface_->Release(converted_string);
- // Should not crash, and make an empty string.
- const char* null_string = NULL;
- pp::Var null_var(null_string);
- if (!null_var.is_string() || !null_var.AsString().empty()) {
- return "Expected NULL input to make an empty string Var.";
- }
- PASS();
- }
- std::string TestVarDeprecated::TestValidUtf8() {
- // From UTF8 string -> PP_Var.
- // Chinese for "I am utf8."
- static const char kValidUtf8[] = "\xe6\x88\x91\xe6\x98\xafutf8.";
- pp::Var converted_string(kValidUtf8);
- if (converted_string.is_null())
- return "Unable to convert valid utf8 to var.";
- // Since we're already here, test PP_Var back to UTF8 string.
- std::string returned_string = converted_string.AsString();
- // We need to check against 1 less than sizeof because the resulting string
- // is technically not NULL terminated by API design.
- if (returned_string.size() != sizeof(kValidUtf8) - 1) {
- return "Unable to convert utf8 string back from var.";
- }
- if (returned_string != kValidUtf8) {
- return "String mismatches on conversion back from PP_Var.";
- }
- PASS();
- }
- std::string TestVarDeprecated::TestUtf8WithEmbeddedNulls() {
- // From UTF8 string with embedded nulls -> PP_Var.
- // Chinese for "also utf8."
- static const char kUtf8WithEmbededNull[] = "\xe6\xb9\x9f\xe6\x98\xaf\0utf8.";
- std::string orig_string(kUtf8WithEmbededNull,
- sizeof(kUtf8WithEmbededNull) -1);
- pp::Var converted_string(orig_string);
- if (converted_string.is_null())
- return "Unable to convert utf8 with embedded nulls to var.";
- // Since we're already here, test PP_Var back to UTF8 string.
- std::string returned_string = converted_string.AsString();
- if (returned_string.size() != orig_string.size()) {
- return "Unable to convert utf8 with embedded nulls back from var.";
- }
- if (returned_string != orig_string) {
- return "String mismatches on conversion back from PP_Var.";
- }
- PASS();
- }
- std::string TestVarDeprecated::TestVarToUtf8ForWrongType() {
- uint32_t length = kInvalidLength;
- const char* result = NULL;
- result = var_interface_->VarToUtf8(PP_MakeUndefined(), &length);
- if (length != 0) {
- return "Expected 0 on string conversion from Void var.";
- }
- if (result != NULL) {
- return "Expected NULL on string conversion from Void var.";
- }
- length = kInvalidLength;
- result = NULL;
- result = var_interface_->VarToUtf8(PP_MakeNull(), &length);
- if (length != 0) {
- return "Expected 0 on string conversion from Null var.";
- }
- if (result != NULL) {
- return "Expected NULL on string conversion from Null var.";
- }
- length = kInvalidLength;
- result = NULL;
- result = var_interface_->VarToUtf8(PP_MakeBool(PP_TRUE), &length);
- if (length != 0) {
- return "Expected 0 on string conversion from Bool var.";
- }
- if (result != NULL) {
- return "Expected NULL on string conversion from Bool var.";
- }
- length = kInvalidLength;
- result = NULL;
- result = var_interface_->VarToUtf8(PP_MakeInt32(1), &length);
- if (length != 0) {
- return "Expected 0 on string conversion from Int32 var.";
- }
- if (result != NULL) {
- return "Expected NULL on string conversion from Int32 var.";
- }
- length = kInvalidLength;
- result = NULL;
- result = var_interface_->VarToUtf8(PP_MakeDouble(1.0), &length);
- if (length != 0) {
- return "Expected 0 on string conversion from Double var.";
- }
- if (result != NULL) {
- return "Expected NULL on string conversion from Double var.";
- }
- PASS();
- }
- std::string TestVarDeprecated::TestHasPropertyAndMethod() {
- pp::VarPrivate window = instance_->GetWindowObject();
- ASSERT_TRUE(window.is_object());
- // Regular property.
- pp::Var exception;
- ASSERT_TRUE(window.HasProperty("scrollX", &exception));
- ASSERT_TRUE(exception.is_undefined());
- ASSERT_FALSE(window.HasMethod("scrollX", &exception));
- ASSERT_TRUE(exception.is_undefined());
- // Regular method (also counts as HasProperty).
- ASSERT_TRUE(window.HasProperty("find", &exception));
- ASSERT_TRUE(exception.is_undefined());
- ASSERT_TRUE(window.HasMethod("find", &exception));
- ASSERT_TRUE(exception.is_undefined());
- // Nonexistant ones should return false and not set the exception.
- ASSERT_FALSE(window.HasProperty("superEvilBit", &exception));
- ASSERT_TRUE(exception.is_undefined());
- ASSERT_FALSE(window.HasMethod("superEvilBit", &exception));
- ASSERT_TRUE(exception.is_undefined());
- // Check exception and return false on invalid property name.
- ASSERT_FALSE(window.HasProperty(3.14159, &exception));
- ASSERT_FALSE(exception.is_undefined());
- exception = pp::Var();
- ASSERT_FALSE(window.HasMethod(3.14159, &exception));
- ASSERT_FALSE(exception.is_undefined());
- // Try to use something not an object.
- exception = pp::Var();
- pp::VarPrivate string_object("asdf");
- ASSERT_FALSE(string_object.HasProperty("find", &exception));
- ASSERT_FALSE(exception.is_undefined());
- exception = pp::Var();
- ASSERT_FALSE(string_object.HasMethod("find", &exception));
- ASSERT_FALSE(exception.is_undefined());
- // Try to use an invalid object (need to use the C API).
- PP_Var invalid_object;
- invalid_object.type = PP_VARTYPE_OBJECT;
- invalid_object.value.as_id = static_cast<int64_t>(-1234567);
- PP_Var exception2 = PP_MakeUndefined();
- ASSERT_FALSE(var_interface_->HasProperty(invalid_object,
- pp::Var("find").pp_var(),
- &exception2));
- ASSERT_NE(PP_VARTYPE_UNDEFINED, exception2.type);
- var_interface_->Release(exception2);
- exception2 = PP_MakeUndefined();
- ASSERT_FALSE(var_interface_->HasMethod(invalid_object,
- pp::Var("find").pp_var(),
- &exception2));
- ASSERT_NE(PP_VARTYPE_UNDEFINED, exception2.type);
- var_interface_->Release(exception2);
- // Getting a valid property/method when the exception is set returns false.
- exception = pp::Var("Bad something-or-other exception");
- ASSERT_FALSE(window.HasProperty("find", &exception));
- ASSERT_FALSE(exception.is_undefined());
- ASSERT_FALSE(window.HasMethod("find", &exception));
- ASSERT_FALSE(exception.is_undefined());
- PASS();
- }
- // Tests that when the page sends an object to the plugin via a function call,
- // that the refcounting works properly (bug 79813).
- std::string TestVarDeprecated::TestPassReference() {
- var_from_page_ = pp::Var();
- // Send a JS object from the page to the plugin.
- pp::Var exception;
- pp::Var ret = instance_->ExecuteScript(
- "document.getElementById('plugin').SetValue(function(arg) {"
- "return 'works' + arg;"
- "})",
- &exception);
- ASSERT_TRUE(exception.is_undefined());
- // We should have gotten an object set for our var_from_page.
- ASSERT_TRUE(var_from_page_.is_object());
- // If the reference counting works, the object should be valid. We can test
- // this by executing it (it was a function we defined above) and it should
- // return "works" concatenated with the argument.
- pp::VarPrivate function(var_from_page_);
- pp::Var result = var_from_page_.Call(pp::Var(), "nice");
- ASSERT_TRUE(result.is_string());
- ASSERT_TRUE(result.AsString() == "worksnice");
- // Reset var_from_page_ so it doesn't seem like a leak to the var leak
- // checking code.
- var_from_page_ = pp::Var();
- PASS();
- }
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