Simplify threading in browser thread by making only ChromeThread deal with di...

chrome/browser/chrome_thread_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 <vector>
-
-#include "chrome/browser/chrome_thread.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "testing/platform_test.h"
-
-typedef PlatformTest ChromeThreadTest;
-
-TEST_F(ChromeThreadTest, Get) {

[darin (slow to review), 2009/10/27 00:06:52]

maybe there are still some interesting tests to write?

[jam, 2009/10/27 02:38:18]

I couldn't think of any non-trivial tests.  I figured that the ui tests would be
strenuous enough?

[jam, 2009/10/27 02:46:29]

On second thoughts, I'll leave the file with an empty test, since I can use it
in another upcoming patch.

[darin (slow to review), 2009/10/27 04:43:33]

OK... I was thinking that you might be able to test the behavior of PostTask
when the target thread does not exist, etc.

-  scoped_ptr<ChromeThread> io_thread;
-  scoped_ptr<ChromeThread> file_thread;
-  scoped_ptr<ChromeThread> db_thread;
-
-  EXPECT_TRUE(ChromeThread::GetMessageLoop(ChromeThread::IO) == NULL);
-  EXPECT_TRUE(ChromeThread::GetMessageLoop(ChromeThread::FILE) == NULL);
-  EXPECT_TRUE(ChromeThread::GetMessageLoop(ChromeThread::DB) == NULL);
-
-  // Phase 1: Create threads.
-
-  io_thread.reset(new ChromeThread(ChromeThread::IO));
-  file_thread.reset(new ChromeThread(ChromeThread::FILE));
-  db_thread.reset(new ChromeThread(ChromeThread::DB));
-
-  EXPECT_TRUE(ChromeThread::GetMessageLoop(ChromeThread::IO) == NULL);
-  EXPECT_TRUE(ChromeThread::GetMessageLoop(ChromeThread::FILE) == NULL);
-  EXPECT_TRUE(ChromeThread::GetMessageLoop(ChromeThread::DB) == NULL);
-
-  // Phase 2: Start the threads.
-
-  io_thread->Start();
-  file_thread->Start();
-  db_thread->Start();
-
-  EXPECT_TRUE(io_thread->message_loop() != NULL);
-  EXPECT_TRUE(file_thread->message_loop() != NULL);
-  EXPECT_TRUE(db_thread->message_loop() != NULL);
-
-  EXPECT_TRUE(ChromeThread::GetMessageLoop(ChromeThread::IO) ==
-              io_thread->message_loop());
-  EXPECT_TRUE(ChromeThread::GetMessageLoop(ChromeThread::FILE) ==
-              file_thread->message_loop());
-  EXPECT_TRUE(ChromeThread::GetMessageLoop(ChromeThread::DB) ==
-              db_thread->message_loop());
-
-  // Phase 3: Stop the threads.
-
-  io_thread->Stop();
-  file_thread->Stop();
-  db_thread->Stop();
-
-  EXPECT_TRUE(ChromeThread::GetMessageLoop(ChromeThread::IO) == NULL);
-  EXPECT_TRUE(ChromeThread::GetMessageLoop(ChromeThread::FILE) == NULL);
-  EXPECT_TRUE(ChromeThread::GetMessageLoop(ChromeThread::DB) == NULL);
-
-  // Phase 4: Destroy the threads.
-
-  io_thread.reset();
-  file_thread.reset();
-  db_thread.reset();
-
-  EXPECT_TRUE(ChromeThread::GetMessageLoop(ChromeThread::IO) == NULL);
-  EXPECT_TRUE(ChromeThread::GetMessageLoop(ChromeThread::FILE) == NULL);
-  EXPECT_TRUE(ChromeThread::GetMessageLoop(ChromeThread::DB) == NULL);
-}