| // Copyright 2014 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 "build/build_config.h" |
| |
| #include "third_party/blink/renderer/core/dom/element_traversal.h" |
| #include "third_party/blink/renderer/core/layout/layout_block.h" |
| #include "testing/gmock/include/gmock/gmock-matchers.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/renderer/core/layout/layout_block_flow.h" |
| #include "third_party/blink/renderer/core/testing/core_unit_test_helper.h" |
| #include "third_party/blink/renderer/platform/testing/runtime_enabled_features_test_helpers.h" |
| |
| using ::testing::MatchesRegex; |
| |
| namespace blink { |
| |
| class LayoutBlockTest : public RenderingTest {}; |
| |
| TEST_F(LayoutBlockTest, LayoutNameCalledWithNullStyle) { |
| scoped_refptr<ComputedStyle> style = ComputedStyle::Create(); |
| LayoutObject* obj = LayoutBlockFlow::CreateAnonymous(&GetDocument(), style, |
| LegacyLayout::kAuto); |
| obj->SetModifiedStyleOutsideStyleRecalc(nullptr, |
| LayoutObject::ApplyStyleChanges::kNo); |
| EXPECT_FALSE(obj->Style()); |
| EXPECT_THAT(obj->DecoratedName().Ascii(), |
| MatchesRegex("LayoutN?G?BlockFlow \\(anonymous\\)")); |
| obj->Destroy(); |
| } |
| |
| TEST_F(LayoutBlockTest, WidthAvailableToChildrenChanged) { |
| USE_NON_OVERLAY_SCROLLBARS(); |
| |
| SetBodyInnerHTML(R"HTML( |
| <!DOCTYPE html> |
| <div id='list' style='overflow-y:auto; width:150px; height:100px'> |
| <div style='height:20px'>Item</div> |
| <div style='height:20px'>Item</div> |
| <div style='height:20px'>Item</div> |
| <div style='height:20px'>Item</div> |
| <div style='height:20px'>Item</div> |
| <div style='height:20px'>Item</div> |
| </div> |
| )HTML"); |
| Element* list_element = GetDocument().getElementById("list"); |
| ASSERT_TRUE(list_element); |
| LayoutBox* list_box = ToLayoutBox(list_element->GetLayoutObject()); |
| Element* item_element = ElementTraversal::FirstChild(*list_element); |
| ASSERT_TRUE(item_element); |
| ASSERT_GT(list_box->VerticalScrollbarWidth(), 0); |
| ASSERT_EQ(item_element->OffsetWidth(), |
| 150 - list_box->VerticalScrollbarWidth()); |
| |
| DummyExceptionStateForTesting exception_state; |
| list_element->style()->setCSSText(GetDocument().GetExecutionContext(), |
| "width:150px;height:100px;", |
| exception_state); |
| ASSERT_FALSE(exception_state.HadException()); |
| UpdateAllLifecyclePhasesForTest(); |
| ASSERT_EQ(list_box->VerticalScrollbarWidth(), 0); |
| ASSERT_EQ(item_element->OffsetWidth(), 150); |
| } |
| |
| TEST_F(LayoutBlockTest, OverflowWithTransformAndPerspective) { |
| SetBodyInnerHTML(R"HTML( |
| <div id='target' style='width: 100px; height: 100px; overflow: scroll; |
| perspective: 200px;'> |
| <div style='transform: rotateY(-45deg); width: 140px; height: 100px'> |
| </div> |
| </div> |
| )HTML"); |
| LayoutBox* scroller = |
| ToLayoutBox(GetDocument().getElementById("target")->GetLayoutObject()); |
| EXPECT_EQ(119.5, scroller->LayoutOverflowRect().Width().ToFloat()); |
| } |
| |
| TEST_F(LayoutBlockTest, NestedInlineVisualOverflow) { |
| SetBodyInnerHTML(R"HTML( |
| <div id="target" style="width: 0; height: 0"> |
| <span style="font-size: 10px/10px"> |
| <img style="margin-left: -15px; width: 40px; height: 40px"> |
| </span> |
| </div> |
| )HTML"); |
| |
| auto* target = ToLayoutBox(GetLayoutObjectByElementId("target")); |
| EXPECT_EQ(LayoutRect(-15, 0, 40, 40), target->VisualOverflowRect()); |
| EXPECT_EQ(PhysicalRect(-15, 0, 40, 40), target->PhysicalVisualOverflowRect()); |
| } |
| |
| TEST_F(LayoutBlockTest, NestedInlineVisualOverflowVerticalRL) { |
| SetBodyInnerHTML(R"HTML( |
| <div style="width: 100px; writing-mode: vertical-rl"> |
| <div id="target" style="width: 0; height: 0"> |
| <span style="font-size: 10px/10px"> |
| <img style="margin-right: -15px; width: 40px; height: 40px"> |
| </span> |
| </div> |
| </div> |
| )HTML"); |
| |
| auto* target = ToLayoutBox(GetLayoutObjectByElementId("target")); |
| EXPECT_EQ(LayoutRect(-15, 0, 40, 40), target->VisualOverflowRect()); |
| EXPECT_EQ(PhysicalRect(-25, 0, 40, 40), target->PhysicalVisualOverflowRect()); |
| } |
| |
| TEST_F(LayoutBlockTest, ContainmentStyleChange) { |
| SetBodyInnerHTML(R"HTML( |
| <style> |
| * { display: block } |
| </style> |
| <div id=target style="contain:strict"> |
| <div> |
| <div> |
| <div id=contained style="position: fixed"></div> |
| <div></div> |
| <div> |
| </div> |
| </div> |
| )HTML"); |
| |
| Element* target_element = GetDocument().getElementById("target"); |
| auto* target = To<LayoutBlockFlow>(target_element->GetLayoutObject()); |
| LayoutBox* contained = ToLayoutBox(GetLayoutObjectByElementId("contained")); |
| EXPECT_TRUE(target->PositionedObjects()->Contains(contained)); |
| |
| // Remove layout containment. This should cause |contained| to now be |
| // in the positioned objects set for the LayoutView, not |target|. |
| target_element->setAttribute(html_names::kStyleAttr, "contain:style"); |
| UpdateAllLifecyclePhasesForTest(); |
| EXPECT_FALSE(target->PositionedObjects()); |
| EXPECT_TRUE( |
| GetDocument().GetLayoutView()->PositionedObjects()->Contains(contained)); |
| } |
| |
| } // namespace blink |
