| // Copyright 2017 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/layout/ng/ng_base_layout_algorithm_test.h" |
| |
| #include "core/dom/TagCollection.h" |
| #include "core/layout/line/InlineTextBox.h" |
| #include "core/layout/ng/ng_inline_node.h" |
| #include "core/layout/ng/ng_physical_text_fragment.h" |
| #include "platform/geometry/LayoutPoint.h" |
| #include "platform/geometry/LayoutRect.h" |
| |
| namespace blink { |
| namespace { |
| |
| class NGTextLayoutAlgorithmTest : public NGBaseLayoutAlgorithmTest {}; |
| |
| // Verifies that text can flow correctly around floats that were positioned |
| // before the inline block. |
| TEST_F(NGTextLayoutAlgorithmTest, TextFloatsAroundFloatsBefore) { |
| setBodyInnerHTML(R"HTML( |
| <!DOCTYPE html> |
| <style> |
| * { |
| font-family: "Arial", sans-serif; |
| font-size: 19px; |
| } |
| #container { |
| height: 200px; width: 200px; outline: solid blue; |
| } |
| #left-float1 { |
| float: left; width: 30px; height: 30px; background-color: blue; |
| } |
| #left-float2 { |
| float: left; width: 10px; height: 10px; |
| background-color: purple; |
| } |
| #right-float { |
| float: right; width: 40px; height: 40px; background-color: yellow; |
| } |
| </style> |
| <div id="container"> |
| <div id="left-float1"></div> |
| <div id="left-float2"></div> |
| <div id="right-float"></div> |
| <span id="text">The quick brown fox jumps over the lazy dog</span> |
| </div> |
| )HTML"); |
| // ** Run LayoutNG algorithm ** |
| RefPtr<NGConstraintSpace> space; |
| RefPtr<NGPhysicalBoxFragment> html_fragment; |
| std::tie(html_fragment, space) = RunBlockLayoutAlgorithmForElement( |
| document().getElementsByTagName("html")->item(0)); |
| auto* body_fragment = |
| toNGPhysicalBoxFragment(html_fragment->Children()[0].get()); |
| auto* container_fragment = |
| toNGPhysicalBoxFragment(body_fragment->Children()[0].get()); |
| auto* text_fragments_wrapper = |
| toNGPhysicalBoxFragment(container_fragment->Children()[0].get()); |
| |
| LayoutText* layout_text = |
| toLayoutText(getLayoutObjectByElementId("text")->slowFirstChild()); |
| ASSERT(layout_text->hasTextBoxes()); |
| |
| // TODO(glebl): Should have only 3 text fragments. For some reason we have a |
| // left over fragment with text == "dog". |
| ASSERT_EQ(4UL, text_fragments_wrapper->Children().size()); |
| |
| auto* text_fragment1 = |
| toNGPhysicalTextFragment(text_fragments_wrapper->Children()[0].get()); |
| auto* text_node = text_fragment1->Node(); |
| // 40 = #left-float1' width 30 + #left-float2 10 |
| EXPECT_EQ(LayoutUnit(40), text_fragment1->LeftOffset()); |
| EXPECT_EQ("The quick ", text_node->Text(text_fragment1->StartOffset(), |
| text_fragment1->EndOffset())); |
| InlineTextBox* inline_text_box1 = layout_text->firstTextBox(); |
| EXPECT_EQ(LayoutPoint(40, 0), inline_text_box1->frameRect().location()); |
| |
| auto* text_fragment2 = |
| toNGPhysicalTextFragment(text_fragments_wrapper->Children()[1].get()); |
| // 40 = #left-float1' width 30 |
| EXPECT_EQ(LayoutUnit(30), text_fragment2->LeftOffset()); |
| EXPECT_EQ("brown fox jumps over", |
| text_node->Text(text_fragment2->StartOffset(), |
| text_fragment2->EndOffset())); |
| InlineTextBox* inline_text_box2 = inline_text_box1->nextTextBox(); |
| EXPECT_EQ(LayoutPoint(30, 22), inline_text_box2->frameRect().location()); |
| |
| auto* text_fragment3 = |
| toNGPhysicalTextFragment(text_fragments_wrapper->Children()[2].get()); |
| EXPECT_EQ(LayoutUnit(), text_fragment3->LeftOffset()); |
| EXPECT_EQ("jumps over the lazy dog", |
| text_node->Text(text_fragment3->StartOffset(), |
| text_fragment3->EndOffset())); |
| InlineTextBox* inline_text_box3 = inline_text_box2->nextTextBox(); |
| EXPECT_EQ(LayoutPoint(0, 44), inline_text_box3->frameRect().location()); |
| } |
| |
| } // namespace |
| } // namespace blink |