Move CancellationFlag and WaitableEvent to the synchronization subdirectory....

base/waitable_event_watcher_unittest.cc

-// Copyright (c) 2010 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 "base/message_loop.h"
-#include "base/threading/platform_thread.h"
-#include "base/waitable_event.h"
-#include "base/waitable_event_watcher.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using base::WaitableEvent;
-using base::WaitableEventWatcher;
-
-namespace {
-
-class QuitDelegate : public WaitableEventWatcher::Delegate {
- public:
-  virtual void OnWaitableEventSignaled(WaitableEvent* event) {
-    MessageLoop::current()->Quit();
-  }
-};
-
-class DecrementCountDelegate : public WaitableEventWatcher::Delegate {
- public:
-  explicit DecrementCountDelegate(int* counter) : counter_(counter) {
-  }
-  virtual void OnWaitableEventSignaled(WaitableEvent* object) {
-    --(*counter_);
-  }
- private:
-  int* counter_;
-};
-
-void RunTest_BasicSignal(MessageLoop::Type message_loop_type) {
-  MessageLoop message_loop(message_loop_type);
-
-  // A manual-reset event that is not yet signaled.
-  WaitableEvent event(true, false);
-
-  WaitableEventWatcher watcher;
-  EXPECT_TRUE(watcher.GetWatchedEvent() == NULL);
-
-  QuitDelegate delegate;
-  watcher.StartWatching(&event, &delegate);
-  EXPECT_EQ(&event, watcher.GetWatchedEvent());
-
-  event.Signal();
-
-  MessageLoop::current()->Run();
-
-  EXPECT_TRUE(watcher.GetWatchedEvent() == NULL);
-}
-
-void RunTest_BasicCancel(MessageLoop::Type message_loop_type) {
-  MessageLoop message_loop(message_loop_type);
-
-  // A manual-reset event that is not yet signaled.
-  WaitableEvent event(true, false);
-
-  WaitableEventWatcher watcher;
-
-  QuitDelegate delegate;
-  watcher.StartWatching(&event, &delegate);
-
-  watcher.StopWatching();
-}
-
-void RunTest_CancelAfterSet(MessageLoop::Type message_loop_type) {
-  MessageLoop message_loop(message_loop_type);
-
-  // A manual-reset event that is not yet signaled.
-  WaitableEvent event(true, false);
-
-  WaitableEventWatcher watcher;
-
-  int counter = 1;
-  DecrementCountDelegate delegate(&counter);
-
-  watcher.StartWatching(&event, &delegate);
-
-  event.Signal();
-
-  // Let the background thread do its business
-  base::PlatformThread::Sleep(30);
-
-  watcher.StopWatching();
-
-  MessageLoop::current()->RunAllPending();
-
-  // Our delegate should not have fired.
-  EXPECT_EQ(1, counter);
-}
-
-void RunTest_OutlivesMessageLoop(MessageLoop::Type message_loop_type) {
-  // Simulate a MessageLoop that dies before an WaitableEventWatcher.  This
-  // ordinarily doesn't happen when people use the Thread class, but it can
-  // happen when people use the Singleton pattern or atexit.
-  WaitableEvent event(true, false);
-  {
-    WaitableEventWatcher watcher;
-    {
-      MessageLoop message_loop(message_loop_type);
-
-      QuitDelegate delegate;
-      watcher.StartWatching(&event, &delegate);
-    }
-  }
-}
-
-void RunTest_DeleteUnder(MessageLoop::Type message_loop_type) {
-  // Delete the WaitableEvent out from under the Watcher. This is explictly
-  // allowed by the interface.
-
-  MessageLoop message_loop(message_loop_type);
-
-  {
-    WaitableEventWatcher watcher;
-
-    WaitableEvent* event = new WaitableEvent(false, false);
-    QuitDelegate delegate;
-    watcher.StartWatching(event, &delegate);
-    delete event;
-  }
-}
-
-}  // namespace
-
-//-----------------------------------------------------------------------------
-
-TEST(WaitableEventWatcherTest, BasicSignal) {
-  RunTest_BasicSignal(MessageLoop::TYPE_DEFAULT);
-  RunTest_BasicSignal(MessageLoop::TYPE_IO);
-  RunTest_BasicSignal(MessageLoop::TYPE_UI);
-}
-
-TEST(WaitableEventWatcherTest, BasicCancel) {
-  RunTest_BasicCancel(MessageLoop::TYPE_DEFAULT);
-  RunTest_BasicCancel(MessageLoop::TYPE_IO);
-  RunTest_BasicCancel(MessageLoop::TYPE_UI);
-}
-
-TEST(WaitableEventWatcherTest, CancelAfterSet) {
-  RunTest_CancelAfterSet(MessageLoop::TYPE_DEFAULT);
-  RunTest_CancelAfterSet(MessageLoop::TYPE_IO);
-  RunTest_CancelAfterSet(MessageLoop::TYPE_UI);
-}
-
-TEST(WaitableEventWatcherTest, OutlivesMessageLoop) {
-  RunTest_OutlivesMessageLoop(MessageLoop::TYPE_DEFAULT);
-  RunTest_OutlivesMessageLoop(MessageLoop::TYPE_IO);
-  RunTest_OutlivesMessageLoop(MessageLoop::TYPE_UI);
-}
-
-#if defined(OS_WIN)
-// Crashes sometimes on vista.  http://crbug.com/62119
-#define MAYBE_DeleteUnder DISABLED_DeleteUnder
-#else
-#define MAYBE_DeleteUnder DeleteUnder
-#endif
-TEST(WaitableEventWatcherTest, MAYBE_DeleteUnder) {
-  RunTest_DeleteUnder(MessageLoop::TYPE_DEFAULT);
-  RunTest_DeleteUnder(MessageLoop::TYPE_IO);
-  RunTest_DeleteUnder(MessageLoop::TYPE_UI);
-}