// Copyright 2014 The Chromium Authors // 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 "testing/gmock/include/gmock/gmock-matchers.h" #include "testing/gtest/include/gtest/gtest.h" #include "third_party/blink/renderer/core/css/resolver/style_resolver.h" #include "third_party/blink/renderer/core/dom/element_traversal.h" #include "third_party/blink/renderer/core/layout/layout_block_flow.h" #include "third_party/blink/renderer/core/layout/layout_result.h" #include "third_party/blink/renderer/core/testing/core_unit_test_helper.h" using ::testing::MatchesRegex; namespace blink { class LayoutBlockTest : public RenderingTest {}; TEST_F(LayoutBlockTest, LayoutNameCalledWithNullStyle) { auto* element = MakeGarbageCollected( QualifiedName(AtomicString("div")), &GetDocument()); auto* obj = MakeGarbageCollected(element); EXPECT_FALSE(obj->HasStyle()); EXPECT_EQ(obj->DecoratedName().Ascii(), "LayoutBlockFlow (inline)"); obj->Destroy(); } TEST_F(LayoutBlockTest, WidthAvailableToChildrenChanged) { USE_NON_OVERLAY_SCROLLBARS_OR_QUIT(); SetBodyInnerHTML(R"HTML(

Item

)HTML"); Element* list_element = GetElementById("list"); ASSERT_TRUE(list_element); auto* list_box = list_element->GetLayoutBox(); Element* item_element = ElementTraversal::FirstChild(*list_element); ASSERT_TRUE(item_element); ASSERT_GT(list_box->ComputeScrollbars().HorizontalSum(), 0); ASSERT_EQ(item_element->OffsetWidth(), 150 - list_box->ComputeScrollbars().HorizontalSum()); 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->ComputeScrollbars().HorizontalSum(), 0); ASSERT_EQ(item_element->OffsetWidth(), 150); } TEST_F(LayoutBlockTest, OverflowWithTransformAndPerspective) { SetBodyInnerHTML(R"HTML(

)HTML"); auto* scroller = GetLayoutBoxByElementId("target"); EXPECT_EQ(187.625, scroller->ScrollableOverflowRect().Width().ToFloat()); } TEST_F(LayoutBlockTest, NestedInlineVisualOverflow) { SetBodyInnerHTML(R"HTML(

)HTML"); auto* target = GetLayoutBoxByElementId("target"); EXPECT_EQ(PhysicalRect(-15, 0, 40, 40), target->VisualOverflowRect()); } TEST_F(LayoutBlockTest, NestedInlineVisualOverflowVerticalRL) { SetBodyInnerHTML(R"HTML(

)HTML"); auto* target = GetLayoutBoxByElementId("target"); EXPECT_EQ(PhysicalRect(-25, 0, 40, 40), target->VisualOverflowRect()); } TEST_F(LayoutBlockTest, ContainmentStyleChange) { SetBodyInnerHTML(R"HTML(

)HTML"); Element* target_element = GetElementById("target"); auto* target = To(target_element->GetLayoutObject()); EXPECT_TRUE(target->GetSingleCachedLayoutResult() ->GetPhysicalFragment() .HasOutOfFlowFragmentChild()); // 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, AtomicString("contain:style")); UpdateAllLifecyclePhasesForTest(); EXPECT_FALSE(target->GetSingleCachedLayoutResult() ->GetPhysicalFragment() .HasOutOfFlowFragmentChild()); const LayoutView* view = GetDocument().GetLayoutView(); EXPECT_TRUE(view->GetSingleCachedLayoutResult() ->GetPhysicalFragment() .HasOutOfFlowFragmentChild()); } } // namespace blink