| // 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 "third_party/blink/renderer/core/dom/nth_index_cache.h" |
| |
| #include <memory> |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/core/html/html_element.h" |
| #include "third_party/blink/renderer/core/testing/page_test_base.h" |
| |
| namespace blink { |
| |
| class NthIndexCacheTest : public PageTestBase {}; |
| |
| TEST_F(NthIndexCacheTest, NthIndex) { |
| GetDocument().documentElement()->setInnerHTML(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(*GetElementById("nth-child")), 12U); |
| EXPECT_EQ( |
| nth_index_cache.NthLastChildIndex(*GetElementById("nth-last-child")), |
| 12U); |
| } |
| |
| } // namespace blink |
