OLD | NEW |
(Empty) | |
| 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "core/layout/ng/ng_block_child_iterator.h" |
| 6 |
| 7 #include "core/layout/LayoutTestHelper.h" |
| 8 #include "core/layout/ng/ng_block_break_token.h" |
| 9 #include "core/layout/ng/ng_block_node.h" |
| 10 #include "testing/gtest/include/gtest/gtest.h" |
| 11 |
| 12 namespace blink { |
| 13 namespace { |
| 14 |
| 15 class NGBlockChildIteratorTest : public RenderingTest {}; |
| 16 |
| 17 TEST_F(NGBlockChildIteratorTest, NullFirstChild) { |
| 18 NGBlockChildIterator iterator(nullptr, nullptr); |
| 19 ASSERT_EQ(NGBlockChildIterator::Entry(nullptr, nullptr), |
| 20 iterator.NextChild()); |
| 21 } |
| 22 |
| 23 TEST_F(NGBlockChildIteratorTest, NoBreakToken) { |
| 24 setBodyInnerHTML(R"HTML( |
| 25 <div id='child1'></div> |
| 26 <div id='child2'></div> |
| 27 <div id='child3'></div> |
| 28 )HTML"); |
| 29 NGLayoutInputNode* node1 = |
| 30 new NGBlockNode(toLayoutBlockFlow(getLayoutObjectByElementId("child1"))); |
| 31 NGLayoutInputNode* node2 = node1->NextSibling(); |
| 32 NGLayoutInputNode* node3 = node2->NextSibling(); |
| 33 |
| 34 // The iterator should loop through three children. |
| 35 NGBlockChildIterator iterator(node1, nullptr); |
| 36 ASSERT_EQ(NGBlockChildIterator::Entry(node1, nullptr), iterator.NextChild()); |
| 37 ASSERT_EQ(NGBlockChildIterator::Entry(node2, nullptr), iterator.NextChild()); |
| 38 ASSERT_EQ(NGBlockChildIterator::Entry(node3, nullptr), iterator.NextChild()); |
| 39 ASSERT_EQ(NGBlockChildIterator::Entry(nullptr, nullptr), |
| 40 iterator.NextChild()); |
| 41 } |
| 42 |
| 43 TEST_F(NGBlockChildIteratorTest, BreakTokenWithFinishedChild) { |
| 44 setBodyInnerHTML(R"HTML( |
| 45 <div id='container'> |
| 46 <div id='child1'></div> |
| 47 <div id='child2'></div> |
| 48 <div id='child3'></div> |
| 49 </div> |
| 50 )HTML"); |
| 51 NGBlockNode* container = new NGBlockNode( |
| 52 toLayoutBlockFlow(getLayoutObjectByElementId("container"))); |
| 53 NGLayoutInputNode* node1 = container->FirstChild(); |
| 54 NGLayoutInputNode* node2 = node1->NextSibling(); |
| 55 NGLayoutInputNode* node3 = node2->NextSibling(); |
| 56 |
| 57 HeapVector<Member<NGBreakToken>> child_break_tokens; |
| 58 child_break_tokens.push_back(new NGBlockBreakToken(toNGBlockNode(node1))); |
| 59 NGBlockBreakToken* parent_token = |
| 60 new NGBlockBreakToken(container, LayoutUnit(50), child_break_tokens); |
| 61 |
| 62 // The iterator should loop through two children. |
| 63 NGBlockChildIterator iterator(node1, parent_token); |
| 64 ASSERT_EQ(NGBlockChildIterator::Entry(node2, nullptr), iterator.NextChild()); |
| 65 ASSERT_EQ(NGBlockChildIterator::Entry(node3, nullptr), iterator.NextChild()); |
| 66 ASSERT_EQ(NGBlockChildIterator::Entry(nullptr, nullptr), |
| 67 iterator.NextChild()); |
| 68 |
| 69 child_break_tokens.push_back(new NGBlockBreakToken(toNGBlockNode(node2))); |
| 70 parent_token = |
| 71 new NGBlockBreakToken(container, LayoutUnit(50), child_break_tokens); |
| 72 |
| 73 // The iterator should loop through two children. |
| 74 NGBlockChildIterator iterator2(node1, parent_token); |
| 75 ASSERT_EQ(NGBlockChildIterator::Entry(node1, nullptr), iterator2.NextChild()); |
| 76 ASSERT_EQ(NGBlockChildIterator::Entry(node3, nullptr), iterator2.NextChild()); |
| 77 ASSERT_EQ(NGBlockChildIterator::Entry(nullptr, nullptr), |
| 78 iterator2.NextChild()); |
| 79 } |
| 80 |
| 81 TEST_F(NGBlockChildIteratorTest, BreakTokenWithUnFinishedChild) { |
| 82 setBodyInnerHTML(R"HTML( |
| 83 <div id='container'> |
| 84 <div id='child1'></div> |
| 85 <div id='child2'></div> |
| 86 <div id='child3'></div> |
| 87 </div> |
| 88 )HTML"); |
| 89 NGBlockNode* container = new NGBlockNode( |
| 90 toLayoutBlockFlow(getLayoutObjectByElementId("container"))); |
| 91 NGLayoutInputNode* node1 = container->FirstChild(); |
| 92 NGLayoutInputNode* node2 = node1->NextSibling(); |
| 93 NGLayoutInputNode* node3 = node2->NextSibling(); |
| 94 |
| 95 HeapVector<Member<NGBreakToken>> child_break_tokens; |
| 96 NGBreakToken* child_token = new NGBlockBreakToken( |
| 97 toNGBlockNode(node1), LayoutUnit(), child_break_tokens); |
| 98 child_break_tokens.push_back(child_token); |
| 99 NGBlockBreakToken* parent_token = |
| 100 new NGBlockBreakToken(container, LayoutUnit(50), child_break_tokens); |
| 101 |
| 102 // The iterator should loop through three children, one with a break token. |
| 103 NGBlockChildIterator iterator(node1, parent_token); |
| 104 ASSERT_EQ(NGBlockChildIterator::Entry(node1, child_token), |
| 105 iterator.NextChild()); |
| 106 ASSERT_EQ(NGBlockChildIterator::Entry(node2, nullptr), iterator.NextChild()); |
| 107 ASSERT_EQ(NGBlockChildIterator::Entry(node3, nullptr), iterator.NextChild()); |
| 108 ASSERT_EQ(NGBlockChildIterator::Entry(nullptr, nullptr), |
| 109 iterator.NextChild()); |
| 110 |
| 111 child_token = new NGBlockBreakToken(toNGBlockNode(node2), LayoutUnit(), |
| 112 child_break_tokens); |
| 113 child_break_tokens.push_back(child_token); |
| 114 parent_token = |
| 115 new NGBlockBreakToken(container, LayoutUnit(50), child_break_tokens); |
| 116 |
| 117 // The iterator should loop through three children, one with a break token. |
| 118 NGBlockChildIterator iterator2(node1, parent_token); |
| 119 ASSERT_EQ(NGBlockChildIterator::Entry(node1, nullptr), iterator2.NextChild()); |
| 120 ASSERT_EQ(NGBlockChildIterator::Entry(node2, child_token), |
| 121 iterator2.NextChild()); |
| 122 ASSERT_EQ(NGBlockChildIterator::Entry(node3, nullptr), iterator2.NextChild()); |
| 123 ASSERT_EQ(NGBlockChildIterator::Entry(nullptr, nullptr), |
| 124 iterator2.NextChild()); |
| 125 } |
| 126 |
| 127 } // namespace |
| 128 } // namespace blink |
OLD | NEW |