Suppressing screenshot messages as long as the login screen is shown and no user is logged in.

chrome/browser/ui/ash/screenshot_taker_unittest.cc

 // Copyright 2013 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/ui/ash/screenshot_taker.h"
 
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_profile.h"
 #include "chrome/test/base/testing_profile_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/test/test_utils.h"
 #include "ui/aura/root_window.h"
 #include "ui/message_center/message_center_switches.h"
 
+#if defined(OS_CHROMEOS)
+#include "chromeos/login/login_state.h"
+#endif
+
 namespace ash {
 namespace test {
 
 class ScreenshotTakerTest : public AshTestBase,
                             public ScreenshotTakerObserver {
  public:
   ScreenshotTakerTest()
       : running_(false),
         screenshot_complete_(false),
         screenshot_result_(ScreenshotTakerObserver::SCREENSHOT_SUCCESS) {
@@ skipping 52 matching lines @@
   bool running_;
   bool screenshot_complete_;
   ScreenshotTakerObserver::Result screenshot_result_;
   base::FilePath screenshot_path_;
   scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenshotTakerTest);
 };
 
 TEST_F(ScreenshotTakerTest, TakeScreenshot) {
+#if defined(OS_CHROMEOS)
+  // Note that within the testframework the LoginState object will always claim

[James Cook, 2013/08/09 20:09:16]

testframework -> test framework

[Mr4D (OOO till 08-26), 2013/08/09 20:35:45]

Done.

+  // that the user did log in.
+  ASSERT_FALSE(chromeos::LoginState::IsInitialized());
+  chromeos::LoginState::Initialize();
+#endif
   scoped_ptr<TestingProfileManager> profile_manager(
       new TestingProfileManager(TestingBrowserProcess::GetGlobal()));
   ASSERT_TRUE(profile_manager->SetUp());
   TestingProfile* profile =
       profile_manager->CreateTestingProfile("test_profile");
   ScreenshotTaker screenshot_taker;
   screenshot_taker.AddObserver(this);
   base::ScopedTempDir directory;
   ASSERT_TRUE(directory.CreateUniqueTempDir());
   SetScreenshotDirectoryForTest(&screenshot_taker, directory.path());
   SetScreenshotBasenameForTest(&screenshot_taker, "Screenshot");
   SetScreenshotProfileForTest(&screenshot_taker, profile);
 
   EXPECT_TRUE(screenshot_taker.CanTakeScreenshot());
 
   screenshot_taker.HandleTakePartialScreenshot(
       Shell::GetPrimaryRootWindow(), gfx::Rect(0, 0, 100, 100));
 
   EXPECT_FALSE(screenshot_taker.CanTakeScreenshot());
 
   Wait();
 
 #if defined(OS_CHROMEOS)
   // Screenshot notifications on Windows not yet turned on.
   EXPECT_TRUE(g_browser_process->notification_ui_manager()->FindById(
       std::string("screenshot")) != NULL);
   g_browser_process->notification_ui_manager()->CancelAll();
+

[James Cook, 2013/08/09 20:09:16]

nit: maybe no blank line here?

[Mr4D (OOO till 08-26), 2013/08/09 20:35:45]

Done.

 #endif
 
   EXPECT_EQ(ScreenshotTakerObserver::SCREENSHOT_SUCCESS, screenshot_result_);
 
   if (ScreenshotTakerObserver::SCREENSHOT_SUCCESS == screenshot_result_)
     EXPECT_TRUE(base::PathExists(screenshot_path_));
+
+#if defined(OS_CHROMEOS)
+  chromeos::LoginState::Shutdown();
+#endif
 }
 
 }  // namespace test
 }  // namespace ash