text: // 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 "chrome/browser/task_manager/task_manager.h"
  
  #include "base/strings/utf_string_conversions.h"
  #include "chrome/browser/browser_process.h"
  #include "chrome/browser/extensions/extension_browsertest.h"
  #include "chrome/browser/notifications/desktop_notification_service.h"
  #include "chrome/browser/notifications/notification.h"
  #include "chrome/browser/notifications/notification_test_util.h"
  #include "chrome/browser/notifications/notification_ui_manager.h"
  #include "chrome/browser/task_manager/task_manager_browsertest_util.h"
  #include "chrome/browser/ui/browser.h"
  #include "chrome/browser/ui/browser_dialogs.h"
  #include "chrome/browser/ui/browser_window.h"
  #include "chrome/test/base/in_process_browser_test.h"
  #include "chrome/test/base/ui_test_utils.h"
  #include "content/public/common/content_switches.h"
  #include "testing/gtest/include/gtest/gtest.h"
  #include "ui/message_center/message_center_util.h"
  
  class TaskManagerNotificationBrowserTest : public ExtensionBrowserTest {
   public:
    TaskManagerModel* model() const {
      return TaskManager::GetInstance()->model();
    }
   protected:
    virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
      ExtensionBrowserTest::SetUpCommandLine(command_line);
  
      // Do not prelaunch the GPU process for these tests because it will show
      // up in task manager but whether it appears before or after the new tab
      // renderer process is not well defined.
      command_line->AppendSwitch(switches::kDisableGpuProcessPrelaunch);
    }
  };
  
  // TODO(linux_aura) http://crbug.com/163931
  #if defined(OS_LINUX) && !defined(OS_CHROMEOS) && defined(USE_AURA)
  #define MAYBE_NoticeNotificationChanges DISABLED_NoticeNotificationChanges
  #else
  #define MAYBE_NoticeNotificationChanges NoticeNotificationChanges
  #endif
  IN_PROC_BROWSER_TEST_F(TaskManagerNotificationBrowserTest,
                         MAYBE_NoticeNotificationChanges) {
    // These tests do not apply with Message Center platforms
    // where notifications do not instantiate a new renderer.
    if (message_center::IsRichNotificationEnabled())
      return;
  
    EXPECT_EQ(0, model()->ResourceCount());
  
    // Show the task manager.
    chrome::ShowTaskManager(browser(), false);
    // Expect to see the browser and the New Tab Page renderer.
    TaskManagerBrowserTestUtil::WaitForWebResourceChange(1);
  
    // Show a notification.
    NotificationUIManager* notifications =
        g_browser_process->notification_ui_manager();
  
    string16 content = DesktopNotificationService::CreateDataUrl(
        GURL(), ASCIIToUTF16("Hello World!"), string16(),
        WebKit::WebTextDirectionDefault);
  
    scoped_refptr<NotificationDelegate> del1(new MockNotificationDelegate("n1"));
    Notification n1(
        GURL(), GURL(content), ASCIIToUTF16("Test 1"), string16(), del1.get());
    scoped_refptr<NotificationDelegate> del2(new MockNotificationDelegate("n2"));
    Notification n2(
        GURL(), GURL(content), ASCIIToUTF16("Test 2"), string16(), del2.get());
  
    notifications->Add(n1, browser()->profile());
    TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
    notifications->Add(n2, browser()->profile());
    TaskManagerBrowserTestUtil::WaitForWebResourceChange(3);
    notifications->CancelById(n1.notification_id());
    TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
    notifications->CancelById(n2.notification_id());
    TaskManagerBrowserTestUtil::WaitForWebResourceChange(1);
  }
  