Make IPC::SyncChannel not duplicate the underlying MessageLoop implementation...

base/object_watcher_unittest.cc

 // Copyright (c) 2006-2008 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 <process.h>
 
 #include "base/message_loop.h"
 #include "base/object_watcher.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 16 matching lines @@
  private:
   int* counter_;
 };
 
 }  // namespace
 
 void RunTest_BasicSignal(MessageLoop::Type message_loop_type) {
   MessageLoop message_loop(message_loop_type);
 
   base::ObjectWatcher watcher;
+  EXPECT_EQ(NULL, watcher.GetWatchedObject());
 
   // A manual-reset event that is not yet signaled.
   HANDLE event = CreateEvent(NULL, TRUE, FALSE, NULL);
 
   QuitDelegate delegate;
   bool ok = watcher.StartWatching(event, &delegate);
   EXPECT_TRUE(ok);
+  EXPECT_EQ(event, watcher.GetWatchedObject());
   
   SetEvent(event);
 
   MessageLoop::current()->Run();
 
+  EXPECT_EQ(NULL, watcher.GetWatchedObject());
   CloseHandle(event);
 }
 
 void RunTest_BasicCancel(MessageLoop::Type message_loop_type) {
   MessageLoop message_loop(message_loop_type);
 
   base::ObjectWatcher watcher;
 
   // A manual-reset event that is not yet signaled.
   HANDLE event = CreateEvent(NULL, TRUE, FALSE, NULL);
@@ skipping 72 matching lines @@
   RunTest_CancelAfterSet(MessageLoop::TYPE_DEFAULT);
   RunTest_CancelAfterSet(MessageLoop::TYPE_IO);
   RunTest_CancelAfterSet(MessageLoop::TYPE_UI);
 }
 
 TEST(ObjectWatcherTest, OutlivesMessageLoop) {
   RunTest_OutlivesMessageLoop(MessageLoop::TYPE_DEFAULT);
   RunTest_OutlivesMessageLoop(MessageLoop::TYPE_IO);
   RunTest_OutlivesMessageLoop(MessageLoop::TYPE_UI);
 }