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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/browser/ui/gtk/tabs/tab_renderer_gtk.h"
      6 
      7 #include "testing/gtest/include/gtest/gtest.h"
      8 
      9 namespace {
     10 
     11 typedef TabRendererGtk::LoadingAnimation LoadingAnimation;
     12 
     13 const int kTestLoadingAnimationFrameCount = 10;
     14 const int kTestWaitingAnimationFrameCount = 40;
     15 const int kTestWaitingToLoadingFrameCountRatio = 4;
     16 
     17 const LoadingAnimation::Data kMockAnimationData =
     18     LoadingAnimation::Data(kTestLoadingAnimationFrameCount,
     19                            kTestWaitingAnimationFrameCount,
     20                            kTestWaitingToLoadingFrameCountRatio);
     21 
     22 TEST(LoadingAnimationTest, InitialState) {
     23   LoadingAnimation loading_animation(kMockAnimationData);
     24   EXPECT_EQ(TabRendererGtk::ANIMATION_NONE,
     25             loading_animation.animation_state());
     26   EXPECT_EQ(0, loading_animation.animation_frame());
     27 }
     28 
     29 TEST(LoadingAnimationTest, AdvanceWaitingFrames) {
     30   LoadingAnimation loading_animation(kMockAnimationData);
     31   loading_animation.ValidateLoadingAnimation(TabRendererGtk::ANIMATION_WAITING);
     32   EXPECT_EQ(TabRendererGtk::ANIMATION_WAITING,
     33             loading_animation.animation_state());
     34   EXPECT_EQ(1, loading_animation.animation_frame());
     35   loading_animation.ValidateLoadingAnimation(TabRendererGtk::ANIMATION_WAITING);
     36   EXPECT_EQ(TabRendererGtk::ANIMATION_WAITING,
     37             loading_animation.animation_state());
     38   EXPECT_EQ(2, loading_animation.animation_frame());
     39 
     40   for (int i = 2; i < kTestWaitingAnimationFrameCount - 1; ++i) {
     41     loading_animation.ValidateLoadingAnimation(
     42         TabRendererGtk::ANIMATION_WAITING);
     43   }
     44   EXPECT_EQ(TabRendererGtk::ANIMATION_WAITING,
     45             loading_animation.animation_state());
     46   EXPECT_EQ(kTestWaitingAnimationFrameCount - 1,
     47             loading_animation.animation_frame());
     48 
     49   loading_animation.ValidateLoadingAnimation(TabRendererGtk::ANIMATION_WAITING);
     50   EXPECT_EQ(TabRendererGtk::ANIMATION_WAITING,
     51             loading_animation.animation_state());
     52   EXPECT_EQ(0, loading_animation.animation_frame()) <<
     53             "The animation frame should have wrapped around to 0.";
     54 }
     55 
     56 TEST(LoadingAnimationTest, AdvanceFromWaitingToLoading) {
     57   LoadingAnimation loading_animation(kMockAnimationData);
     58   for (int i = 0; i < 2 * kTestWaitingToLoadingFrameCountRatio; ++i) {
     59     loading_animation.ValidateLoadingAnimation(
     60         TabRendererGtk::ANIMATION_WAITING);
     61   }
     62   EXPECT_EQ(TabRendererGtk::ANIMATION_WAITING,
     63             loading_animation.animation_state());
     64   EXPECT_EQ(2 * kTestWaitingToLoadingFrameCountRatio,
     65             loading_animation.animation_frame());
     66 
     67   loading_animation.ValidateLoadingAnimation(TabRendererGtk::ANIMATION_LOADING);
     68   EXPECT_EQ(TabRendererGtk::ANIMATION_LOADING,
     69             loading_animation.animation_state());
     70   EXPECT_EQ(kTestLoadingAnimationFrameCount - 1,
     71             loading_animation.animation_frame());
     72 }
     73 
     74 }  // namespace
     75