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Side by Side Diff: third_party/WebKit/Source/core/layout/ScrollAnchorTest.cpp

Issue 1640973005: Implement findAnchor and computeRelativeOffset in ScrollAnchor. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@anchor-hookup
Patch Set: cache offset between layouts Created 4 years, 10 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "core/layout/ScrollAnchor.h" 5 #include "core/layout/ScrollAnchor.h"
6 6
7 #include "core/layout/LayoutTestHelper.h" 7 #include "core/layout/LayoutTestHelper.h"
8 8
9 namespace blink { 9 namespace blink {
10 10
11 class ScrollAnchorTest : public RenderingTest { 11 class ScrollAnchorTest : public RenderingTest {
12 public: 12 public:
13 ScrollAnchorTest() { RuntimeEnabledFeatures::setScrollAnchoringEnabled(true) ; } 13 ScrollAnchorTest() { RuntimeEnabledFeatures::setScrollAnchoringEnabled(true) ; }
14 ~ScrollAnchorTest() { RuntimeEnabledFeatures::setScrollAnchoringEnabled(fals e); } 14 ~ScrollAnchorTest() { RuntimeEnabledFeatures::setScrollAnchoringEnabled(fals e); }
15 }; 15 };
16 16
17 TEST_F(ScrollAnchorTest, Basic) 17 TEST_F(ScrollAnchorTest, Basic)
18 { 18 {
19 ScrollAnchor scrollAnchor(document().view()->layoutViewportScrollableArea()) ; 19 setBodyInnerHTML(
20 scrollAnchor.clear(); 20 "<style> body { height: 1000px } div { height: 100px } </style>"
21 EXPECT_EQ(nullptr, scrollAnchor.anchorObject()); 21 "<div id='block1'>abc</div>"
22 "<div id='block2'>def</div>");
23
24 ScrollableArea* viewport = document().view()->layoutViewportScrollableArea() ;
25 viewport->scrollBy(DoubleSize(0, 150), UserScroll);
26 document().getElementById("block1")->setAttribute(HTMLNames::styleAttr, "hei ght: 200px");
27 document().view()->updateAllLifecyclePhases();
28 EXPECT_EQ(250, viewport->scrollPosition().y());
22 } 29 }
30
23 } 31 }
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