aura: brightness and volume bubble.

chrome/browser/chromeos/volume_bubble_browsertest.cc

+// Copyright (c) 2011 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/chromeos/volume_bubble.h"
+#include "chrome/test/base/in_process_browser_test.h"
+#include "chrome/browser/chromeos/setting_level_bubble_view.h"
+#include "views/view.h"
+
+typedef InProcessBrowserTest VolumeBubbleTest;
+
+namespace chromeos {
+
+IN_PROC_BROWSER_TEST_F(VolumeBubbleTest, GetInstanceAndShow) {
+  VolumeBubble* bubble1 = VolumeBubble::GetInstance();
+  VolumeBubble* bubble2 = VolumeBubble::GetInstance();
+  ASSERT_EQ(bubble1, bubble2);
+
+  bubble1->ShowBubble(20, true);
+  EXPECT_TRUE(bubble1->view_ != NULL);
+  EXPECT_TRUE(bubble1->view_->IsVisible());
+  views::View* saved_view = bubble1->view_;
+  bubble1->HideBubble();
+  EXPECT_EQ(NULL, bubble1->view_);
+  bubble1->ShowBubble(20, true);
+  EXPECT_TRUE(bubble1->view_ != NULL);
+  EXPECT_NE(saved_view, bubble1->view_);
+}
+
+}  // namespace chromeos