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// Copyright 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 "cc/scrollbar_animation_controller_linear_fade.h"
#include "cc/scrollbar_layer_impl.h"
#include "cc/single_thread_proxy.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
namespace {
class ScrollbarAnimationControllerLinearFadeTest : public testing::Test {
protected:
virtual void SetUp()
{
m_scrollLayer = LayerImpl::create(1);
m_scrollLayer->addChild(LayerImpl::create(2));
m_contentLayer = m_scrollLayer->children()[0];
m_scrollbarLayer = ScrollbarLayerImpl::create(3);
m_scrollLayer->setMaxScrollOffset(gfx::Vector2d(50, 50));
m_contentLayer->setBounds(gfx::Size(50, 50));
m_scrollbarController = ScrollbarAnimationControllerLinearFade::create(m_scrollLayer.get(), 2, 3);
m_scrollbarController->setHorizontalScrollbarLayer(m_scrollbarLayer.get());
}
scoped_ptr<ScrollbarAnimationControllerLinearFade> m_scrollbarController;
scoped_ptr<LayerImpl> m_scrollLayer;
LayerImpl* m_contentLayer;
scoped_ptr<ScrollbarLayerImpl> m_scrollbarLayer;
};
TEST_F(ScrollbarAnimationControllerLinearFadeTest, verifyHiddenInBegin)
{
m_scrollbarController->animate(0);
EXPECT_FLOAT_EQ(0, m_scrollbarLayer->opacity());
m_scrollbarController->updateScrollOffsetAtTime(m_scrollLayer.get(), 0);
m_scrollbarController->animate(0);
EXPECT_FLOAT_EQ(0, m_scrollbarLayer->opacity());
}
TEST_F(ScrollbarAnimationControllerLinearFadeTest, verifyAwakenByScroll)
{
m_scrollLayer->setScrollDelta(gfx::Vector2d(1, 1));
m_scrollbarController->updateScrollOffsetAtTime(m_scrollLayer.get(), 0);
m_scrollbarController->animate(0);
EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
m_scrollbarController->animate(1);
EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
m_scrollLayer->setScrollDelta(gfx::Vector2d(2, 2));
m_scrollbarController->updateScrollOffsetAtTime(m_scrollLayer.get(), 1);
m_scrollbarController->animate(2);
EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
m_scrollbarController->animate(3);
EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
m_scrollbarController->animate(4);
// Note that we use 3.0f to avoid "argument is truncated from 'double' to
// 'float'" warnings on Windows.
EXPECT_FLOAT_EQ(2 / 3.0f, m_scrollbarLayer->opacity());
m_scrollbarController->animate(5);
EXPECT_FLOAT_EQ(1 / 3.0f, m_scrollbarLayer->opacity());
m_scrollLayer->setScrollDelta(gfx::Vector2d(3, 3));
m_scrollbarController->updateScrollOffsetAtTime(m_scrollLayer.get(), 5);
m_scrollbarController->animate(6);
EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
m_scrollbarController->animate(7);
EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
m_scrollbarController->animate(8);
EXPECT_FLOAT_EQ(2 / 3.0f, m_scrollbarLayer->opacity());
m_scrollbarController->animate(9);
EXPECT_FLOAT_EQ(1 / 3.0f, m_scrollbarLayer->opacity());
m_scrollbarController->animate(10);
EXPECT_FLOAT_EQ(0, m_scrollbarLayer->opacity());
}
TEST_F(ScrollbarAnimationControllerLinearFadeTest, verifyForceAwakenByPinch)
{
m_scrollbarController->didPinchGestureBeginAtTime(0);
m_scrollbarController->didPinchGestureUpdateAtTime(0);
m_scrollbarController->animate(0);
EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
m_scrollbarController->animate(1);
EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
m_scrollLayer->setScrollDelta(gfx::Vector2d(1, 1));
m_scrollbarController->updateScrollOffsetAtTime(m_scrollLayer.get(), 1);
m_scrollbarController->animate(2);
EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
m_scrollbarController->animate(3);
EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
m_scrollbarController->animate(4);
EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
m_scrollbarController->animate(5);
EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
m_scrollbarController->animate(6);
EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
m_scrollbarController->didPinchGestureEndAtTime(6);
m_scrollbarController->animate(7);
EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
m_scrollbarController->animate(8);
EXPECT_FLOAT_EQ(1, m_scrollbarLayer->opacity());
m_scrollbarController->animate(9);
EXPECT_FLOAT_EQ(2 / 3.0f, m_scrollbarLayer->opacity());
m_scrollbarController->animate(10);
EXPECT_FLOAT_EQ(1 / 3.0f, m_scrollbarLayer->opacity());
m_scrollbarController->animate(11);
EXPECT_FLOAT_EQ(0, m_scrollbarLayer->opacity());
}
} // namespace
} // namespace cc
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