Index: third_party/WebKit/Source/core/layout/compositing/CompositedLayerMappingTest.cpp |
diff --git a/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMappingTest.cpp b/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMappingTest.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f7b15eccd4e1ff7ed31cbff34b33b5af6a0313c8 |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMappingTest.cpp |
@@ -0,0 +1,174 @@ |
+// Copyright 2014 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 "config.h" |
+#include "core/layout/compositing/CompositedLayerMapping.h" |
+ |
+#include "core/frame/FrameView.h" |
+#include "core/layout/LayoutBoxModelObject.h" |
+#include "core/layout/LayoutTestHelper.h" |
+#include "core/paint/PaintLayer.h" |
+#include <gtest/gtest.h> |
+ |
+namespace blink { |
+ |
+class CompositedLayerMappingTest : public RenderingTest { |
+public: |
+ CompositedLayerMappingTest() |
+ : m_originalSlimmingPaintSynchronizedPaintingEnabled(RuntimeEnabledFeatures::slimmingPaintSynchronizedPaintingEnabled()) { } |
+ |
+protected: |
+ IntRect computeInterestRect(const GraphicsLayer* graphicsLayer, LayoutObject* owningLayoutObject) |
+ { |
+ return CompositedLayerMapping::computeInterestRect(graphicsLayer, owningLayoutObject); |
+ } |
+ |
+private: |
+ void SetUp() override |
+ { |
+ RuntimeEnabledFeatures::setSlimmingPaintSynchronizedPaintingEnabled(true); |
+ |
+ RenderingTest::SetUp(); |
+ enableCompositing(); |
+ GraphicsLayer::setDrawDebugRedFillForTesting(false); |
+ } |
+ |
+ void TearDown() override |
+ { |
+ GraphicsLayer::setDrawDebugRedFillForTesting(true); |
+ RuntimeEnabledFeatures::setSlimmingPaintSynchronizedPaintingEnabled(m_originalSlimmingPaintSynchronizedPaintingEnabled); |
+ } |
+ |
+ bool m_originalSlimmingPaintSynchronizedPaintingEnabled; |
+}; |
+ |
+static void printRect(IntRect rect) |
+{ |
+ fprintf(stderr, "[x=%d y=%d maxX=%d maxY=%d]\n", rect.x(), rect.y(), rect.maxX(), rect.maxY()); |
+} |
+ |
+static bool checkRectsEqual(const IntRect& expected, const IntRect& actual) |
+{ |
+ if (expected != actual) { |
+ fprintf(stderr, "Expected: "); |
+ printRect(expected); |
+ fprintf(stderr, "Actual: "); |
+ printRect(actual); |
+ return false; |
+ } |
+ return true; |
+} |
+ |
+TEST_F(CompositedLayerMappingTest, SimpleInterestRect) |
+{ |
+ setBodyInnerHTML("<div id='target' style='width: 200px; height: 200px; will-change: transform'></div>"); |
+ |
+ document().view()->updateAllLifecyclePhases(); |
+ Element* element = document().getElementById("target"); |
+ PaintLayer* paintLayer = toLayoutBoxModelObject(element->layoutObject())->layer(); |
+ ASSERT_TRUE(!!paintLayer->graphicsLayerBacking()); |
+ EXPECT_TRUE(checkRectsEqual(IntRect(0, 0, 200, 200), computeInterestRect(paintLayer->graphicsLayerBacking(), paintLayer->layoutObject()))); |
+} |
+ |
+TEST_F(CompositedLayerMappingTest, TallLayerInterestRect) |
+{ |
+ setBodyInnerHTML("<div id='target' style='width: 200px; height: 10000px; will-change: transform'></div>"); |
+ |
+ document().view()->updateAllLifecyclePhases(); |
+ Element* element = document().getElementById("target"); |
+ PaintLayer* paintLayer = toLayoutBoxModelObject(element->layoutObject())->layer(); |
+ ASSERT_TRUE(paintLayer->graphicsLayerBacking()); |
+ // Screen-space visible content rect is [8, 8, 200, 600]. Mapping back to local, adding 4000px in all directions, then |
+ // clipping, yields this rect. |
+ EXPECT_TRUE(checkRectsEqual(IntRect(0, 0, 200, 4592), computeInterestRect(paintLayer->graphicsLayerBacking(), paintLayer->layoutObject()))); |
+} |
+ |
+TEST_F(CompositedLayerMappingTest, RotatedInterestRect) |
+{ |
+ setBodyInnerHTML("<div id='target' style='width: 200px; height: 200px; will-change: transform; transform: rotateZ(45deg)'></div>"); |
+ |
+ document().view()->updateAllLifecyclePhases(); |
+ Element* element = document().getElementById("target"); |
+ PaintLayer* paintLayer = toLayoutBoxModelObject(element->layoutObject())->layer(); |
+ ASSERT_TRUE(!!paintLayer->graphicsLayerBacking()); |
+ EXPECT_TRUE(checkRectsEqual(IntRect(0, 0, 200, 200), computeInterestRect(paintLayer->graphicsLayerBacking(), paintLayer->layoutObject()))); |
+} |
+ |
+TEST_F(CompositedLayerMappingTest, RotatedTallInterestRect) |
+{ |
+ setBodyInnerHTML("<div id='target' style='width: 200px; height: 10000px; will-change: transform; transform: rotateZ(45deg)'></div>"); |
+ |
+ document().view()->updateAllLifecyclePhases(); |
+ Element* element = document().getElementById("target"); |
+ PaintLayer* paintLayer = toLayoutBoxModelObject(element->layoutObject())->layer(); |
+ ASSERT_TRUE(!!paintLayer->graphicsLayerBacking()); |
+ EXPECT_TRUE(checkRectsEqual(IntRect(0, 0, 200, 5536), computeInterestRect(paintLayer->graphicsLayerBacking(), paintLayer->layoutObject()))); |
+} |
+ |
+TEST_F(CompositedLayerMappingTest, WideLayerInterestRect) |
+{ |
+ setBodyInnerHTML("<div id='target' style='width: 10000px; height: 200px; will-change: transform'></div>"); |
+ |
+ document().view()->updateAllLifecyclePhases(); |
+ Element* element = document().getElementById("target"); |
+ PaintLayer* paintLayer = toLayoutBoxModelObject(element->layoutObject())->layer(); |
+ ASSERT_TRUE(!!paintLayer->graphicsLayerBacking()); |
+ // Screen-space visible content rect is [8, 8, 800, 200] (the screen is 800x600). |
+ // Mapping back to local, adding 4000px in all directions, then clipping, yields this rect. |
+ EXPECT_TRUE(checkRectsEqual(IntRect(0, 0, 4792, 200), computeInterestRect(paintLayer->graphicsLayerBacking(), paintLayer->layoutObject()))); |
+} |
+ |
+TEST_F(CompositedLayerMappingTest, FixedPositionInterestRect) |
+{ |
+ setBodyInnerHTML("<div id='target' style='width: 300px; height: 400px; will-change: transform; position: fixed; top: 100px; left: 200px;'></div>"); |
+ |
+ document().view()->updateAllLifecyclePhases(); |
+ Element* element = document().getElementById("target"); |
+ PaintLayer* paintLayer = toLayoutBoxModelObject(element->layoutObject())->layer(); |
+ ASSERT_TRUE(!!paintLayer->graphicsLayerBacking()); |
+ EXPECT_TRUE(checkRectsEqual(IntRect(0, 0, 300, 400), computeInterestRect(paintLayer->graphicsLayerBacking(), paintLayer->layoutObject()))); |
+} |
+ |
+TEST_F(CompositedLayerMappingTest, LayerOffscreenInterestRect) |
+{ |
+ setBodyInnerHTML( |
+ "<div id='target' style='width: 200px; height: 200px; will-change: transform; position: absolute; top: 9000px; left: 0px;'>" |
+ "</div>"); |
+ |
+ document().view()->updateAllLifecyclePhases(); |
+ Element* element = document().getElementById("target"); |
+ PaintLayer* paintLayer = toLayoutBoxModelObject(element->layoutObject())->layer(); |
+ ASSERT_TRUE(!!paintLayer->graphicsLayerBacking()); |
+ // Offscreen layers are painted as usual. |
+ fprintf(stderr, "\nTest:\n"); |
wkorman
2015/10/09 19:46:32
Need this and others still?
chrishtr
2015/10/09 20:54:52
Fixed. I think that's the only one.
|
+ EXPECT_TRUE(checkRectsEqual(IntRect(0, 0, 200, 200), computeInterestRect(paintLayer->graphicsLayerBacking(), paintLayer->layoutObject()))); |
+} |
+ |
+TEST_F(CompositedLayerMappingTest, ScrollingLayerInterestRect) |
+{ |
+ setBodyInnerHTML("<div id='target' style='width: 200px; height: 200px; will-change: transform; overflow: scroll'>" |
+ "<div style='width: 100px; height: 10000px'></div></div>"); |
+ |
+ document().view()->updateAllLifecyclePhases(); |
+ Element* element = document().getElementById("target"); |
+ PaintLayer* paintLayer = toLayoutBoxModelObject(element->layoutObject())->layer(); |
+ ASSERT_TRUE(paintLayer->graphicsLayerBacking()); |
+ // Offscreen layers are painted as usual. |
+ EXPECT_TRUE(checkRectsEqual(IntRect(0, 0, 200, 4592), computeInterestRect(paintLayer->graphicsLayerBackingForScrolling(), paintLayer->layoutObject()))); |
+} |
+ |
+TEST_F(CompositedLayerMappingTest, ClippedBigLayer) |
+{ |
+ setBodyInnerHTML("<div style='width: 1px; height: 1px; overflow: hidden'>" |
+ "<div id='target' style='width: 10000px; height: 10000px; will-change: transform'></div></div>"); |
+ |
+ document().view()->updateAllLifecyclePhases(); |
+ Element* element = document().getElementById("target"); |
+ PaintLayer* paintLayer = toLayoutBoxModelObject(element->layoutObject())->layer(); |
+ ASSERT_TRUE(paintLayer->graphicsLayerBacking()); |
+ // Offscreen layers are painted as usual. |
+ EXPECT_TRUE(checkRectsEqual(IntRect(0, 0, 4001, 4001), computeInterestRect(paintLayer->graphicsLayerBacking(), paintLayer->layoutObject()))); |
+} |
ajuma
2015/10/09 20:55:27
Please also add a test where the transform to/from
chrishtr
2015/10/09 21:35:46
Done.
|
+ |
+} // namespace blink |