ba56574ca5
BUG=144576,144577 TEST=cc_unittests R=enne@chromium.org,jamesr@chromium.org,danakj@chromium.org Review URL: https://chromiumcodereview.appspot.com/11410022 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@167073 0039d316-1c4b-4281-b951-d872f2087c98
79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
// Copyright 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "cc/contents_scaling_layer.h"
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#include "cc/test/geometry_test_utils.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace cc {
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namespace {
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class MockContentsScalingLayer : public ContentsScalingLayer {
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public:
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MockContentsScalingLayer()
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: ContentsScalingLayer() {
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}
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virtual void setNeedsDisplayRect(const gfx::RectF& dirtyRect) OVERRIDE {
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m_lastNeedsDisplayRect = dirtyRect;
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ContentsScalingLayer::setNeedsDisplayRect(dirtyRect);
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}
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void resetNeedsDisplay() {
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m_needsDisplay = false;
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}
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const gfx::RectF& lastNeedsDisplayRect() const {
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return m_lastNeedsDisplayRect;
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}
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private:
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virtual ~MockContentsScalingLayer() {
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}
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gfx::RectF m_lastNeedsDisplayRect;
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};
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TEST(ContentsScalingLayerTest, checkContentsBounds) {
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scoped_refptr<MockContentsScalingLayer> testLayer =
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make_scoped_refptr(new MockContentsScalingLayer());
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testLayer->setBounds(gfx::Size(320, 240));
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EXPECT_FLOAT_EQ(1.0, testLayer->contentsScaleX());
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EXPECT_FLOAT_EQ(1.0, testLayer->contentsScaleY());
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EXPECT_EQ(320, testLayer->contentBounds().width());
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EXPECT_EQ(240, testLayer->contentBounds().height());
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testLayer->setContentsScale(2.0f);
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EXPECT_EQ(640, testLayer->contentBounds().width());
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EXPECT_EQ(480, testLayer->contentBounds().height());
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testLayer->setBounds(gfx::Size(10, 20));
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EXPECT_EQ(20, testLayer->contentBounds().width());
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EXPECT_EQ(40, testLayer->contentBounds().height());
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testLayer->setContentsScale(1.33f);
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EXPECT_EQ(14, testLayer->contentBounds().width());
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EXPECT_EQ(27, testLayer->contentBounds().height());
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}
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TEST(ContentsScalingLayerTest, checkContentsScaleChangeTriggersNeedsDisplay) {
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scoped_refptr<MockContentsScalingLayer> testLayer =
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make_scoped_refptr(new MockContentsScalingLayer());
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testLayer->setBounds(gfx::Size(320, 240));
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testLayer->resetNeedsDisplay();
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EXPECT_FALSE(testLayer->needsDisplay());
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testLayer->setContentsScale(testLayer->contentsScaleX() + 1.f);
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EXPECT_TRUE(testLayer->needsDisplay());
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EXPECT_FLOAT_RECT_EQ(gfx::RectF(0, 0, 320, 240),
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testLayer->lastNeedsDisplayRect());
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}
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} // namespace
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} // namespace cc
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