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Issue 1023393002:
Cache element indices for :nth-child and :nth-last-child selectors. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master| Index: Source/core/dom/NthIndexCacheTest.cpp |
| diff --git a/Source/core/dom/NthIndexCacheTest.cpp b/Source/core/dom/NthIndexCacheTest.cpp |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..a7bbb5205f4ad8532d61caa4008ebd68eff32da4 |
| --- /dev/null |
| +++ b/Source/core/dom/NthIndexCacheTest.cpp |
| @@ -0,0 +1,56 @@ |
| +// Copyright 2015 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/dom/NthIndexCache.h" |
| + |
| +#include "core/dom/Document.h" |
| +#include "core/html/HTMLElement.h" |
| +#include "core/testing/DummyPageHolder.h" |
| +#include <gtest/gtest.h> |
| + |
| +using namespace blink; |
| + |
| +namespace { |
| + |
| +class NthIndexCacheTest : public ::testing::Test { |
| + |
| +protected: |
| + virtual void SetUp() override; |
| + |
| + Document& document() const { return *m_document; } |
| + void setHtmlInnerHTML(const char* htmlContent); |
| + |
| +private: |
| + OwnPtr<DummyPageHolder> m_dummyPageHolder; |
| + Document* m_document; |
| +}; |
| + |
| +void NthIndexCacheTest::SetUp() |
| +{ |
| + m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600)); |
| + m_document = &m_dummyPageHolder->document(); |
|
sof
2015/03/28 08:34:00
Worth caching this Document* reference?
rune
2015/03/30 09:00:03
Done.
|
| + ASSERT(m_document); |
| +} |
| + |
| +TEST_F(NthIndexCacheTest, NthIndex) |
| +{ |
| + document().documentElement()->setInnerHTML("<body>" |
| + "<span id=first></span><span></span><span></span><span></span><span></span>" |
| + "<span></span><span></span><span></span><span></span><span></span>" |
| + "Text does not count" |
| + "<span id=nth-last-child></span>" |
| + "<span id=nth-child></span>" |
| + "<span></span><span></span><span></span><span></span><span></span>" |
| + "<span></span><span></span><span></span><span></span><span id=last></span>" |
| + "</body>", ASSERT_NO_EXCEPTION); |
| + |
| + Document::UseNthIndexCacheScope scope(document()); |
| + |
| + EXPECT_TRUE(document().nthIndexCache()); |
| + EXPECT_EQ(document().nthIndexCache()->nthChildIndex(*document().getElementById("nth-child")), 12U); |
| + EXPECT_EQ(document().nthIndexCache()->nthLastChildIndex(*document().getElementById("nth-last-child")), 12U); |
| +} |
| + |
| +} // namespace |
