| // 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 "core/dom/NthIndexCache.h" |
| |
| #include "core/dom/Document.h" |
| #include "core/html/HTMLElement.h" |
| #include "core/testing/DummyPageHolder.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include <memory> |
| |
| namespace blink { |
| |
| class NthIndexCacheTest : public ::testing::Test { |
| protected: |
| void SetUp() override; |
| |
| Document& GetDocument() const { return dummy_page_holder_->GetDocument(); } |
| void SetHtmlInnerHTML(const char* html_content); |
| |
| private: |
| std::unique_ptr<DummyPageHolder> dummy_page_holder_; |
| }; |
| |
| void NthIndexCacheTest::SetUp() { |
| dummy_page_holder_ = DummyPageHolder::Create(IntSize(800, 600)); |
| } |
| |
| TEST_F(NthIndexCacheTest, NthIndex) { |
| GetDocument().documentElement()->SetInnerHTMLFromString(R"HTML( |
| <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> |
| )HTML"); |
| |
| NthIndexCache nth_index_cache(GetDocument()); |
| |
| EXPECT_EQ( |
| nth_index_cache.NthChildIndex(*GetDocument().getElementById("nth-child")), |
| 12U); |
| EXPECT_EQ(nth_index_cache.NthLastChildIndex( |
| *GetDocument().getElementById("nth-last-child")), |
| 12U); |
| } |
| |
| } // namespace blink |
