| Index: third_party/WebKit/Source/core/paint/PaintInvalidationTest.cpp
|
| diff --git a/third_party/WebKit/Source/core/paint/PaintInvalidationTest.cpp b/third_party/WebKit/Source/core/paint/PaintInvalidationTest.cpp
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..5743de1bcad50ecfccb442d6d6bfd859ae7a6ba5
|
| --- /dev/null
|
| +++ b/third_party/WebKit/Source/core/paint/PaintInvalidationTest.cpp
|
| @@ -0,0 +1,57 @@
|
| +// Copyright 2017 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 "core/frame/FrameView.h"
|
| +#include "core/layout/LayoutTestHelper.h"
|
| +#include "core/layout/LayoutView.h"
|
| +#include "testing/gtest/include/gtest/gtest.h"
|
| +
|
| +namespace blink {
|
| +
|
| +namespace {
|
| +
|
| +class PaintInvalidationTest : public RenderingTest {
|
| + public:
|
| + PaintInvalidationTest()
|
| + : RenderingTest(SingleChildLocalFrameClient::create()) {}
|
| +};
|
| +
|
| +// Changing style in a way that changes overflow without layout should cause
|
| +// the layout view to possibly need a paint invalidation since we may have
|
| +// revealed additional background that can be scrolled into view.
|
| +TEST_F(PaintInvalidationTest, RecalcOverflowInvalidatesBackground) {
|
| + document().page()->settings().setViewportEnabled(true);
|
| + setBodyInnerHTML(
|
| + "<!DOCTYPE html>"
|
| + "<style type='text/css'>"
|
| + " body, html {"
|
| + " width: 100%;"
|
| + " height: 100%;"
|
| + " margin: 0px;"
|
| + " }"
|
| + " #container {"
|
| + " width: 100%;"
|
| + " height: 100%;"
|
| + " }"
|
| + "</style>"
|
| + "<div id='container'></div>");
|
| +
|
| + document().view()->updateAllLifecyclePhases();
|
| +
|
| + ScrollableArea* scrollableArea = document().view();
|
| + ASSERT_EQ(scrollableArea->maximumScrollOffset().height(), 0);
|
| + EXPECT_FALSE(document().layoutView()->mayNeedPaintInvalidation());
|
| +
|
| + Element* container = document().getElementById("container");
|
| + container->setAttribute(HTMLNames::styleAttr,
|
| + "transform: translateY(1000px);");
|
| + document().updateStyleAndLayoutTree();
|
| +
|
| + EXPECT_EQ(scrollableArea->maximumScrollOffset().height(), 1000);
|
| + EXPECT_TRUE(document().layoutView()->mayNeedPaintInvalidation());
|
| +}
|
| +
|
| +} // namespace
|
| +
|
| +} // namespace blink
|
|
|
Chromium Code Reviews
Issue 2713773003:
Add test for paint underinvalidation fix with animated transform overflow. (Closed)
