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- // Copyright (c) 2012 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_message_loop.h"
- #include "ppapi/c/pp_macros.h"
- #include "ppapi/cpp/core.h"
- #include "ppapi/cpp/logging.h"
- #include "ppapi/cpp/message_loop.h"
- #include "ppapi/cpp/module.h"
- #include "ppapi/tests/testing_instance.h"
- #include "ppapi/utility/threading/simple_thread.h"
- REGISTER_TEST_CASE(MessageLoop);
- TestMessageLoop::TestMessageLoop(TestingInstance* instance)
- : TestCase(instance),
- param_(kInvalid),
- callback_factory_(this),
- main_loop_task_ran_(instance->pp_instance()) {
- }
- TestMessageLoop::~TestMessageLoop() {
- }
- void TestMessageLoop::RunTests(const std::string& filter) {
- RUN_TEST(Basics, filter);
- RUN_TEST(Post, filter);
- }
- std::string TestMessageLoop::TestBasics() {
- // The main thread message loop should be valid, and equal to the "current"
- // one.
- ASSERT_NE(0, pp::MessageLoop::GetForMainThread().pp_resource());
- ASSERT_EQ(pp::MessageLoop::GetForMainThread().pp_resource(),
- pp::MessageLoop::GetCurrent().pp_resource());
- // We shouldn't be able to attach a new loop to the main thread.
- pp::MessageLoop loop(instance_);
- ASSERT_EQ(PP_ERROR_INPROGRESS, loop.AttachToCurrentThread());
- // Nested loops aren't allowed.
- ASSERT_EQ(PP_ERROR_INPROGRESS,
- pp::MessageLoop::GetForMainThread().Run());
- // We can't run on a loop that isn't attached to a thread.
- ASSERT_EQ(PP_ERROR_WRONG_THREAD, loop.Run());
- PASS();
- }
- std::string TestMessageLoop::TestPost() {
- // Make sure we can post a task from the main thread back to the main thread.
- pp::MessageLoop::GetCurrent().PostWork(callback_factory_.NewCallback(
- &TestMessageLoop::SetParamAndQuitTask, kMainToMain));
- main_loop_task_ran_.Wait();
- ASSERT_EQ(param_, kMainToMain);
- main_loop_task_ran_.Reset();
- pp::SimpleThread thread(instance_);
- // Post a task before the thread is started, to make sure it is run.
- // TODO(dmichael): CompletionCallbackFactory is not 100% thread safe for
- // posting tasks to a thread other than where the factory was created. It
- // should be OK for this test, since we know that the
- // CompletionCallbackFactory and its target object outlive all callbacks. But
- // developers are likely to misuse CompletionCallbackFactory. Maybe we should
- // make it safe to use a callback on another thread?
- thread.message_loop().PostWork(callback_factory_.NewCallback(
- &TestMessageLoop::EchoParamToMainTask, kBeforeStart));
- ASSERT_TRUE(thread.Start());
- main_loop_task_ran_.Wait();
- ASSERT_EQ(param_, kBeforeStart);
- main_loop_task_ran_.Reset();
- // Now post another one after start. This is the more normal case.
- // Nested loops aren't allowed.
- ASSERT_EQ(PP_ERROR_INPROGRESS,
- pp::MessageLoop::GetForMainThread().Run());
- thread.message_loop().PostWork(callback_factory_.NewCallback(
- &TestMessageLoop::EchoParamToMainTask, kAfterStart));
- main_loop_task_ran_.Wait();
- ASSERT_EQ(param_, kAfterStart);
- main_loop_task_ran_.Reset();
- // Quit and join the thread.
- ASSERT_TRUE(thread.Join());
- PASS();
- }
- void TestMessageLoop::SetParamAndQuitTask(int32_t result, TestParam param) {
- PP_DCHECK(result == PP_OK);
- param_ = param;
- main_loop_task_ran_.Signal();
- }
- void TestMessageLoop::EchoParamToMainTask(int32_t result, TestParam param) {
- PP_DCHECK(result == PP_OK);
- pp::MessageLoop::GetForMainThread().PostWork(
- callback_factory_.NewCallback(
- &TestMessageLoop::SetParamAndQuitTask, param));
- }
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