Index: chrome/browser/ui/tabs/tab_audio_indicator_unittest.cc |
diff --git a/chrome/browser/ui/tabs/tab_audio_indicator_unittest.cc b/chrome/browser/ui/tabs/tab_audio_indicator_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f17c0d7a5eb8a37aeafd9af12e8a62624b3029fa |
--- /dev/null |
+++ b/chrome/browser/ui/tabs/tab_audio_indicator_unittest.cc |
@@ -0,0 +1,67 @@ |
+// Copyright (c) 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/tabs/tab_audio_indicator.h" |
+ |
+#include "base/message_loop.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+#include "ui/base/animation/linear_animation.h" |
+#include "ui/gfx/canvas.h" |
+#include "ui/gfx/rect.h" |
+ |
+class TabAudioIndicatorTest : public TabAudioIndicator::Delegate, |
+ public testing::Test { |
+ protected: |
+ TabAudioIndicatorTest() : schedule_paint_count_(0) {} |
+ |
+ virtual void ScheduleAudioIndicatorPaint() OVERRIDE { |
+ ++schedule_paint_count_; |
+ } |
+ |
+ int schedule_paint_count_; |
+ MessageLoopForUI message_loop_; // Needed for ui::LinearAnimation. |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(TabAudioIndicatorTest); |
+}; |
+ |
+TEST_F(TabAudioIndicatorTest, AnimationState) { |
+ // Start animating. |
+ TabAudioIndicator indicator(this); |
+ indicator.SetIsPlayingAudio(true); |
+ EXPECT_EQ(TabAudioIndicator::STATE_ANIMATING, indicator.state_); |
+ EXPECT_TRUE(indicator.IsAnimating()); |
+ |
+ // Once the audio stops the indicator should switch to ending animation. |
+ indicator.SetIsPlayingAudio(false); |
+ EXPECT_EQ(TabAudioIndicator::STATE_ANIMATION_ENDING, indicator.state_); |
+ EXPECT_TRUE(indicator.IsAnimating()); |
+ |
+ // Once the ending animation is complete animation should stop. |
+ indicator.animation_->End(); |
+ EXPECT_EQ(TabAudioIndicator::STATE_NOT_ANIMATING, indicator.state_); |
+ EXPECT_FALSE(indicator.IsAnimating()); |
+} |
+ |
+TEST_F(TabAudioIndicatorTest, Paint) { |
+ TabAudioIndicator indicator(this); |
+ indicator.SetIsPlayingAudio(true); |
+ |
+ gfx::Rect rect(0, 0, 16, 16); |
+ gfx::Canvas canvas(rect.size(), ui::SCALE_FACTOR_100P, true); |
+ |
+ // Nothing to test here. Just exercise the paint code to verify that nothing |
+ // leaks or crashes. |
+ indicator.Paint(&canvas, rect); |
+} |
+ |
+TEST_F(TabAudioIndicatorTest, SchedulePaint) { |
+ TabAudioIndicator indicator(this); |
+ indicator.SetIsPlayingAudio(true); |
+ |
+ indicator.animation_->SetCurrentValue(1.0); |
+ schedule_paint_count_ = 0; |
+ indicator.AnimationProgressed(NULL); |
+ EXPECT_EQ(1, schedule_paint_count_); |
+} |