third_party/WebKit/Source/core/layout/TextAutosizerTest.cpp - Issue 2817443003: Fix font-size shaking issue in some pages

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Issue 2817443003: Fix font-size shaking issue in some pages (Closed)

Patch Set: fix font-size shaking issue only Created 3 years, 6 months ago

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1 // Copyright 2016 The Chromium Authors. All rights reserved.	1 // Copyright 2016 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/LayoutObject.h"	5 #include "core/layout/LayoutObject.h"

6 #include "core/layout/LayoutTestHelper.h"	6 #include "core/layout/LayoutTestHelper.h"

7 #include "testing/gtest/include/gtest/gtest.h"	7 #include "testing/gtest/include/gtest/gtest.h"

8	8

9 namespace blink {	9 namespace blink {

10 class TextAutosizerTest : public RenderingTest {	10 class TextAutosizerTest : public RenderingTest {

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767 GetDocument().View()->UpdateAllLifecyclePhases();	767 GetDocument().View()->UpdateAllLifecyclePhases();

768	768

769 GetDocument().GetSettings()->SetTextAutosizingWindowSizeOverride(	769 GetDocument().GetSettings()->SetTextAutosizingWindowSizeOverride(

770 IntSize(640, 360));	770 IntSize(640, 360));

771 GetDocument().View()->UpdateAllLifecyclePhases();	771 GetDocument().View()->UpdateAllLifecyclePhases();

772	772

773 GetDocument().GetSettings()->SetTextAutosizingWindowSizeOverride(	773 GetDocument().GetSettings()->SetTextAutosizingWindowSizeOverride(

774 IntSize(360, 640));	774 IntSize(360, 640));

775 GetDocument().View()->UpdateAllLifecyclePhases();	775 GetDocument().View()->UpdateAllLifecyclePhases();

776 }	776 }

	777

	778 TEST_F(TextAutosizerTest, LayoutViewWidthProvider) {

	779 Element* html = GetDocument().body()->parentElement();

	780 html->setInnerHTML(

	781 "<head>"

	782 " <meta name='viewport' content='width=800'>"

	783 " <style>"

	784 " html { font-size:16px;}"

	785 " #content {margin-left: 140px;}"

	786 " </style>"

	787 "</head>"

	788 "<body>"

	789 " <div id='content'>"

	790 " Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do"

	791 " eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim"

	792 " ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut"

	793 " aliquip ex ea commodo consequat. Duis aute irure dolor in"

	794 " reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla"

	795 " pariatur. Excepteur sint occaecat cupidatat non proident, sunt in"

	796 " culpa qui officia deserunt mollit anim id est laborum."

	797 " </div>"

	798 " <div id='panel'></div>"

	799 "</body>",

	800 ASSERT_NO_EXCEPTION);

	801 GetDocument().View()->UpdateAllLifecyclePhases();

	802

	803 Element* content = GetDocument().getElementById("content");

	804 // (specified font-size = 16px) * (viewport width = 800px) /

	805 // (window width = 320px) = 40px.

	806 EXPECT_FLOAT_EQ(40.f,

	807 content->GetLayoutObject()->Style()->ComputedFontSize());

	808

	809 GetDocument().getElementById("panel")->setInnerHTML("insert text");

	810 content->setInnerHTML(content->innerHTML());

	811 GetDocument().View()->UpdateAllLifecyclePhases();

	812

	813 // (specified font-size = 16px) * (viewport width = 800px) /

	814 // (window width = 320px) = 40px.

	815 EXPECT_FLOAT_EQ(40.f,

	816 content->GetLayoutObject()->Style()->ComputedFontSize());

	817 }

	818

777 } // namespace blink	819 } // namespace blink

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