| // 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 "core/layout/LayoutMultiColumnFlowThread.h" |
| |
| #include "core/layout/LayoutMultiColumnSet.h" |
| #include "core/layout/LayoutMultiColumnSpannerPlaceholder.h" |
| #include "core/layout/LayoutTestHelper.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace blink { |
| |
| namespace { |
| |
| class MultiColumnRenderingTest : public RenderingTest { |
| public: |
| LayoutMultiColumnFlowThread* findFlowThread(const char* id) const; |
| |
| // Generate a signature string based on what kind of column boxes the flow thread has |
| // established. 'c' is used for regular column content sets, while 's' is used for spanners. |
| // '?' is used when there's an unknown box type (which should be considered a failure). |
| String columnSetSignature(LayoutMultiColumnFlowThread*); |
| String columnSetSignature(const char* multicolId); |
| |
| void setMulticolHTML(const String&); |
| }; |
| |
| LayoutMultiColumnFlowThread* MultiColumnRenderingTest::findFlowThread(const char* id) const |
| { |
| if (LayoutBlockFlow* multicolContainer = toLayoutBlockFlow(getLayoutObjectByElementId(id))) |
| return multicolContainer->multiColumnFlowThread(); |
| return nullptr; |
| } |
| |
| String MultiColumnRenderingTest::columnSetSignature(LayoutMultiColumnFlowThread* flowThread) |
| { |
| String signature = ""; |
| for (LayoutBox* columnBox = flowThread->firstMultiColumnBox(); |
| columnBox; |
| columnBox = columnBox->nextSiblingMultiColumnBox()) { |
| if (columnBox->isLayoutMultiColumnSpannerPlaceholder()) |
| signature.append('s'); |
| else if (columnBox->isLayoutMultiColumnSet()) |
| signature.append('c'); |
| else |
| signature.append('?'); |
| } |
| return signature; |
| } |
| |
| String MultiColumnRenderingTest::columnSetSignature(const char* multicolId) |
| { |
| return columnSetSignature(findFlowThread(multicolId)); |
| } |
| |
| void MultiColumnRenderingTest::setMulticolHTML(const String& html) |
| { |
| const char* style = |
| "<style>" |
| " #mc { columns:2; }" |
| " .s, #spanner, #spanner1, #spanner2 { column-span:all; }" |
| "</style>"; |
| setBodyInnerHTML(style + html); |
| } |
| |
| TEST_F(MultiColumnRenderingTest, OneBlockWithInDepthTreeStructureCheck) |
| { |
| // Examine the layout tree established by a simple multicol container with a block with some text inside. |
| setMulticolHTML("<div id='mc'><div>xxx</div></div>"); |
| LayoutBlockFlow* multicolContainer = toLayoutBlockFlow(getLayoutObjectByElementId("mc")); |
| ASSERT_TRUE(multicolContainer); |
| LayoutMultiColumnFlowThread* flowThread = multicolContainer->multiColumnFlowThread(); |
| ASSERT_TRUE(flowThread); |
| EXPECT_EQ(columnSetSignature(flowThread), "c"); |
| EXPECT_EQ(flowThread->parent(), multicolContainer); |
| EXPECT_FALSE(flowThread->previousSibling()); |
| LayoutMultiColumnSet* columnSet = flowThread->firstMultiColumnSet(); |
| ASSERT_TRUE(columnSet); |
| EXPECT_EQ(columnSet->previousSibling(), flowThread); |
| EXPECT_FALSE(columnSet->nextSibling()); |
| LayoutBlockFlow* block = toLayoutBlockFlow(flowThread->firstChild()); |
| ASSERT_TRUE(block); |
| EXPECT_FALSE(block->nextSibling()); |
| ASSERT_TRUE(block->firstChild()); |
| EXPECT_TRUE(block->firstChild()->isText()); |
| EXPECT_FALSE(block->firstChild()->nextSibling()); |
| } |
| |
| TEST_F(MultiColumnRenderingTest, Empty) |
| { |
| // If there's no column content, there should be no column set. |
| setMulticolHTML("<div id='mc'></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), ""); |
| } |
| |
| TEST_F(MultiColumnRenderingTest, OneBlock) |
| { |
| // There is some content, so we should create a column set. |
| setMulticolHTML("<div id='mc'><div id='block'></div></div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| ASSERT_EQ(columnSetSignature(flowThread), "c"); |
| LayoutMultiColumnSet* columnSet = flowThread->firstMultiColumnSet(); |
| EXPECT_EQ(flowThread->mapDescendantToColumnSet(getLayoutObjectByElementId("block")), columnSet); |
| } |
| |
| TEST_F(MultiColumnRenderingTest, TwoBlocks) |
| { |
| // No matter how much content, we should only create one column set (unless there are spanners). |
| setMulticolHTML("<div id='mc'><div id='block1'></div><div id='block2'></div></div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| ASSERT_EQ(columnSetSignature(flowThread), "c"); |
| LayoutMultiColumnSet* columnSet = flowThread->firstMultiColumnSet(); |
| EXPECT_EQ(flowThread->mapDescendantToColumnSet(getLayoutObjectByElementId("block1")), columnSet); |
| EXPECT_EQ(flowThread->mapDescendantToColumnSet(getLayoutObjectByElementId("block2")), columnSet); |
| } |
| |
| TEST_F(MultiColumnRenderingTest, Spanner) |
| { |
| // With one spanner and no column content, we should create a spanner set. |
| setMulticolHTML("<div id='mc'><div id='spanner'></div></div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| ASSERT_EQ(columnSetSignature(flowThread), "s"); |
| LayoutBox* columnBox = flowThread->firstMultiColumnBox(); |
| EXPECT_EQ(flowThread->firstMultiColumnSet(), nullptr); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("spanner")), columnBox); |
| EXPECT_EQ(getLayoutObjectByElementId("spanner")->spannerPlaceholder(), columnBox); |
| } |
| |
| TEST_F(MultiColumnRenderingTest, ContentThenSpanner) |
| { |
| // With some column content followed by a spanner, we need a column set followed by a spanner set. |
| setMulticolHTML("<div id='mc'><div id='columnContent'></div><div id='spanner'></div></div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| ASSERT_EQ(columnSetSignature(flowThread), "cs"); |
| LayoutBox* columnBox = flowThread->firstMultiColumnBox(); |
| EXPECT_EQ(flowThread->mapDescendantToColumnSet(getLayoutObjectByElementId("columnContent")), columnBox); |
| columnBox = columnBox->nextSiblingMultiColumnBox(); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("spanner")), columnBox); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("columnContent")), nullptr); |
| } |
| |
| TEST_F(MultiColumnRenderingTest, SpannerThenContent) |
| { |
| // With a spanner followed by some column content, we need a spanner set followed by a column set. |
| setMulticolHTML("<div id='mc'><div id='spanner'></div><div id='columnContent'></div></div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| ASSERT_EQ(columnSetSignature(flowThread), "sc"); |
| LayoutBox* columnBox = flowThread->firstMultiColumnBox(); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("spanner")), columnBox); |
| columnBox = columnBox->nextSiblingMultiColumnBox(); |
| EXPECT_EQ(flowThread->mapDescendantToColumnSet(getLayoutObjectByElementId("columnContent")), columnBox); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("columnContent")), nullptr); |
| } |
| |
| TEST_F(MultiColumnRenderingTest, ContentThenSpannerThenContent) |
| { |
| // With column content followed by a spanner followed by some column content, we need a column |
| // set followed by a spanner set followed by a column set. |
| setMulticolHTML("<div id='mc'><div id='columnContentBefore'></div><div id='spanner'></div><div id='columnContentAfter'></div></div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| ASSERT_EQ(columnSetSignature(flowThread), "csc"); |
| LayoutBox* columnBox = flowThread->firstMultiColumnSet(); |
| EXPECT_EQ(flowThread->mapDescendantToColumnSet(getLayoutObjectByElementId("columnContentBefore")), columnBox); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("columnContentBefore")), nullptr); |
| columnBox = columnBox->nextSiblingMultiColumnBox(); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("spanner")), columnBox); |
| columnBox = columnBox->nextSiblingMultiColumnBox(); |
| EXPECT_EQ(flowThread->mapDescendantToColumnSet(getLayoutObjectByElementId("columnContentAfter")), columnBox); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("columnContentAfter")), nullptr); |
| } |
| |
| TEST_F(MultiColumnRenderingTest, TwoSpanners) |
| { |
| // With two spanners and no column content, we need two spanner sets. |
| setMulticolHTML("<div id='mc'><div id='spanner1'></div><div id='spanner2'></div></div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| ASSERT_EQ(columnSetSignature(flowThread), "ss"); |
| LayoutBox* columnBox = flowThread->firstMultiColumnBox(); |
| EXPECT_EQ(flowThread->firstMultiColumnSet(), nullptr); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("spanner1")), columnBox); |
| EXPECT_EQ(getLayoutObjectByElementId("spanner1")->spannerPlaceholder(), columnBox); |
| columnBox = columnBox->nextSiblingMultiColumnBox(); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("spanner2")), columnBox); |
| EXPECT_EQ(getLayoutObjectByElementId("spanner2")->spannerPlaceholder(), columnBox); |
| } |
| |
| TEST_F(MultiColumnRenderingTest, SpannerThenContentThenSpanner) |
| { |
| // With two spanners and some column content in-between, we need a spanner set, a column set and another spanner set. |
| setMulticolHTML("<div id='mc'><div id='spanner1'></div><div id='columnContent'></div><div id='spanner2'></div></div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| ASSERT_EQ(columnSetSignature(flowThread), "scs"); |
| LayoutMultiColumnSet* columnSet = flowThread->firstMultiColumnSet(); |
| EXPECT_EQ(columnSet->nextSiblingMultiColumnSet(), nullptr); |
| LayoutBox* columnBox = flowThread->firstMultiColumnBox(); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("spanner1")), columnBox); |
| columnBox = columnBox->nextSiblingMultiColumnBox(); |
| EXPECT_EQ(columnBox, columnSet); |
| EXPECT_EQ(flowThread->mapDescendantToColumnSet(getLayoutObjectByElementId("columnContent")), columnSet); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("columnContent")), nullptr); |
| columnBox = columnBox->nextSiblingMultiColumnBox(); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("spanner2")), columnBox); |
| } |
| |
| TEST_F(MultiColumnRenderingTest, SpannerWithSpanner) |
| { |
| // column-span:all on something inside column-span:all has no effect. |
| setMulticolHTML("<div id='mc'><div id='spanner'><div id='invalidSpanner' class='s'></div></div></div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| ASSERT_EQ(columnSetSignature(flowThread), "s"); |
| LayoutBox* columnBox = flowThread->firstMultiColumnBox(); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("spanner")), columnBox); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("invalidSpanner")), columnBox); |
| EXPECT_EQ(toLayoutMultiColumnSpannerPlaceholder(columnBox)->layoutObjectInFlowThread(), getLayoutObjectByElementId("spanner")); |
| EXPECT_EQ(getLayoutObjectByElementId("spanner")->spannerPlaceholder(), columnBox); |
| EXPECT_EQ(getLayoutObjectByElementId("invalidSpanner")->spannerPlaceholder(), nullptr); |
| } |
| |
| TEST_F(MultiColumnRenderingTest, SubtreeWithSpanner) |
| { |
| setMulticolHTML("<div id='mc'><div id='outer'><div id='block1'></div><div id='spanner'></div><div id='block2'></div></div></div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| EXPECT_EQ(columnSetSignature(flowThread), "csc"); |
| LayoutBox* columnBox = flowThread->firstMultiColumnBox(); |
| EXPECT_EQ(flowThread->mapDescendantToColumnSet(getLayoutObjectByElementId("outer")), columnBox); |
| EXPECT_EQ(flowThread->mapDescendantToColumnSet(getLayoutObjectByElementId("block1")), columnBox); |
| columnBox = columnBox->nextSiblingMultiColumnBox(); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("spanner")), columnBox); |
| EXPECT_EQ(getLayoutObjectByElementId("spanner")->spannerPlaceholder(), columnBox); |
| EXPECT_EQ(toLayoutMultiColumnSpannerPlaceholder(columnBox)->layoutObjectInFlowThread(), getLayoutObjectByElementId("spanner")); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("outer")), nullptr); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("block1")), nullptr); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("block2")), nullptr); |
| columnBox = columnBox->nextSiblingMultiColumnBox(); |
| EXPECT_EQ(flowThread->mapDescendantToColumnSet(getLayoutObjectByElementId("block2")), columnBox); |
| } |
| |
| TEST_F(MultiColumnRenderingTest, SubtreeWithSpannerAfterSpanner) |
| { |
| setMulticolHTML("<div id='mc'><div id='spanner1'></div><div id='outer'>text<div id='spanner2'></div><div id='after'></div></div></div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| EXPECT_EQ(columnSetSignature(flowThread), "scsc"); |
| LayoutBox* columnBox = flowThread->firstMultiColumnBox(); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("spanner1")), columnBox); |
| EXPECT_EQ(toLayoutMultiColumnSpannerPlaceholder(columnBox)->layoutObjectInFlowThread(), getLayoutObjectByElementId("spanner1")); |
| EXPECT_EQ(getLayoutObjectByElementId("spanner1")->spannerPlaceholder(), columnBox); |
| columnBox = columnBox->nextSiblingMultiColumnBox(); |
| EXPECT_EQ(flowThread->mapDescendantToColumnSet(getLayoutObjectByElementId("outer")), columnBox); |
| columnBox = columnBox->nextSiblingMultiColumnBox(); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("spanner2")), columnBox); |
| EXPECT_EQ(toLayoutMultiColumnSpannerPlaceholder(columnBox)->layoutObjectInFlowThread(), getLayoutObjectByElementId("spanner2")); |
| EXPECT_EQ(getLayoutObjectByElementId("spanner2")->spannerPlaceholder(), columnBox); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("outer")), nullptr); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("after")), nullptr); |
| columnBox = columnBox->nextSiblingMultiColumnBox(); |
| EXPECT_EQ(flowThread->mapDescendantToColumnSet(getLayoutObjectByElementId("after")), columnBox); |
| } |
| |
| TEST_F(MultiColumnRenderingTest, SubtreeWithSpannerBeforeSpanner) |
| { |
| setMulticolHTML("<div id='mc'><div id='outer'>text<div id='spanner1'></div>text</div><div id='spanner2'></div></div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| EXPECT_EQ(columnSetSignature(flowThread), "cscs"); |
| LayoutBox* columnBox = flowThread->firstMultiColumnSet(); |
| EXPECT_EQ(flowThread->mapDescendantToColumnSet(getLayoutObjectByElementId("outer")), columnBox); |
| columnBox = columnBox->nextSiblingMultiColumnBox(); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("spanner1")), columnBox); |
| EXPECT_EQ(getLayoutObjectByElementId("spanner1")->spannerPlaceholder(), columnBox); |
| EXPECT_EQ(toLayoutMultiColumnSpannerPlaceholder(columnBox)->layoutObjectInFlowThread(), getLayoutObjectByElementId("spanner1")); |
| columnBox = columnBox->nextSiblingMultiColumnBox()->nextSiblingMultiColumnBox(); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("spanner2")), columnBox); |
| EXPECT_EQ(getLayoutObjectByElementId("spanner2")->spannerPlaceholder(), columnBox); |
| EXPECT_EQ(toLayoutMultiColumnSpannerPlaceholder(columnBox)->layoutObjectInFlowThread(), getLayoutObjectByElementId("spanner2")); |
| EXPECT_EQ(flowThread->containingColumnSpannerPlaceholder(getLayoutObjectByElementId("outer")), nullptr); |
| } |
| |
| TEST_F(MultiColumnRenderingTest, columnSetAtBlockOffset) |
| { |
| setMulticolHTML("<div id='mc' style='line-height:100px;'>text<br>text<br>text<br>text<br>text<div id='spanner1'>spanner</div>text<br>text<div id='spanner2'>text<br>text</div>text</div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| EXPECT_EQ(columnSetSignature(flowThread), "cscsc"); |
| LayoutMultiColumnSet* firstRow = flowThread->firstMultiColumnSet(); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(-10000)), firstRow); // negative overflow |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit()), firstRow); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(499)), firstRow); // bottom of last line in first row. |
| LayoutMultiColumnSet* secondRow = firstRow->nextSiblingMultiColumnSet(); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(500)), secondRow); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(699)), secondRow); |
| LayoutMultiColumnSet* thirdRow = secondRow->nextSiblingMultiColumnSet(); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(700)), thirdRow); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(799)), thirdRow); // bottom of last row |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(10000)), thirdRow); // overflow |
| } |
| |
| TEST_F(MultiColumnRenderingTest, columnSetAtBlockOffsetVerticalRl) |
| { |
| setMulticolHTML("<div id='mc' style='line-height:100px; -webkit-writing-mode:vertical-rl;'>text<br>text<br>text<br>text<br>text<div id='spanner1'>spanner</div>text<br>text<div id='spanner2'>text<br>text</div>text</div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| EXPECT_EQ(columnSetSignature(flowThread), "cscsc"); |
| LayoutMultiColumnSet* firstRow = flowThread->firstMultiColumnSet(); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(-10000)), firstRow); // negative overflow |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit()), firstRow); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(499)), firstRow); // bottom of last line in first row. |
| LayoutMultiColumnSet* secondRow = firstRow->nextSiblingMultiColumnSet(); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(500)), secondRow); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(699)), secondRow); |
| LayoutMultiColumnSet* thirdRow = secondRow->nextSiblingMultiColumnSet(); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(700)), thirdRow); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(799)), thirdRow); // bottom of last row |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(10000)), thirdRow); // overflow |
| } |
| |
| TEST_F(MultiColumnRenderingTest, columnSetAtBlockOffsetVerticalLr) |
| { |
| setMulticolHTML("<div id='mc' style='line-height:100px; -webkit-writing-mode:vertical-lr;'>text<br>text<br>text<br>text<br>text<div id='spanner1'>spanner</div>text<br>text<div id='spanner2'>text<br>text</div>text</div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| EXPECT_EQ(columnSetSignature(flowThread), "cscsc"); |
| LayoutMultiColumnSet* firstRow = flowThread->firstMultiColumnSet(); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(-10000)), firstRow); // negative overflow |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit()), firstRow); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(499)), firstRow); // bottom of last line in first row. |
| LayoutMultiColumnSet* secondRow = firstRow->nextSiblingMultiColumnSet(); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(500)), secondRow); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(699)), secondRow); |
| LayoutMultiColumnSet* thirdRow = secondRow->nextSiblingMultiColumnSet(); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(700)), thirdRow); |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(799)), thirdRow); // bottom of last row |
| EXPECT_EQ(flowThread->columnSetAtBlockOffset(LayoutUnit(10000)), thirdRow); // overflow |
| } |
| |
| class MultiColumnTreeModifyingTest : public MultiColumnRenderingTest { |
| public: |
| void setMulticolHTML(const char*); |
| void reparentLayoutObject(const char* newParentId, const char* childId, const char* insertBeforeId = nullptr); |
| void destroyLayoutObject(LayoutObject* child); |
| void destroyLayoutObject(const char* childId); |
| }; |
| |
| void MultiColumnTreeModifyingTest::setMulticolHTML(const char* html) |
| { |
| MultiColumnRenderingTest::setMulticolHTML(html); |
| // Allow modifications to the layout tree structure, because that's what we want to test. |
| document().lifecycle().advanceTo(DocumentLifecycle::InStyleRecalc); |
| } |
| |
| void MultiColumnTreeModifyingTest::reparentLayoutObject(const char* newParentId, const char* childId, const char* insertBeforeId) |
| { |
| LayoutObject* newParent = getLayoutObjectByElementId(newParentId); |
| LayoutObject* child = getLayoutObjectByElementId(childId); |
| LayoutObject* insertBefore = insertBeforeId ? getLayoutObjectByElementId(insertBeforeId) : nullptr; |
| child->remove(); |
| newParent->addChild(child, insertBefore); |
| } |
| |
| void MultiColumnTreeModifyingTest::destroyLayoutObject(LayoutObject* child) |
| { |
| // Remove and destroy in separate steps, so that we get to test removal of subtrees. |
| child->remove(); |
| child->node()->detach(); |
| } |
| |
| void MultiColumnTreeModifyingTest::destroyLayoutObject(const char* childId) |
| { |
| destroyLayoutObject(getLayoutObjectByElementId(childId)); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertFirstContentAndRemove) |
| { |
| setMulticolHTML("<div id='block'></div><div id='mc'></div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| LayoutBlockFlow* block = toLayoutBlockFlow(getLayoutObjectByElementId("block")); |
| LayoutBlockFlow* multicolContainer = toLayoutBlockFlow(getLayoutObjectByElementId("mc")); |
| block->remove(); |
| multicolContainer->addChild(block); |
| EXPECT_EQ(block->parent(), flowThread); |
| // A set should have appeared, now that the multicol container has content. |
| EXPECT_EQ(columnSetSignature(flowThread), "c"); |
| |
| destroyLayoutObject(block); |
| // The set should be gone again now, since there's nothing inside the multicol container anymore. |
| EXPECT_EQ(columnSetSignature("mc"), ""); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertContentBeforeContentAndRemove) |
| { |
| setMulticolHTML("<div id='block'></div><div id='mc'><div id='insertBefore'></div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| reparentLayoutObject("mc", "block", "insertBefore"); |
| // There was already some content prior to our insertion, so no new set should be inserted. |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| destroyLayoutObject("block"); |
| // There's still some content after the removal, so the set should remain. |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertContentAfterContentAndRemove) |
| { |
| setMulticolHTML("<div id='block'></div><div id='mc'><div></div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| reparentLayoutObject("mc", "block"); |
| // There was already some content prior to our insertion, so no new set should be inserted. |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| destroyLayoutObject("block"); |
| // There's still some content after the removal, so the set should remain. |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='spanner'></div><div id='mc'></div>"); |
| LayoutMultiColumnFlowThread* flowThread = findFlowThread("mc"); |
| LayoutBlockFlow* spanner = toLayoutBlockFlow(getLayoutObjectByElementId("spanner")); |
| LayoutBlockFlow* multicolContainer = toLayoutBlockFlow(getLayoutObjectByElementId("mc")); |
| spanner->remove(); |
| multicolContainer->addChild(spanner); |
| EXPECT_EQ(spanner->parent(), flowThread); |
| // We should now have a spanner placeholder, since we just moved a spanner into the multicol container. |
| EXPECT_EQ(columnSetSignature(flowThread), "s"); |
| destroyLayoutObject(spanner); |
| EXPECT_EQ(columnSetSignature(flowThread), ""); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertTwoSpannersAndRemove) |
| { |
| setMulticolHTML("<div id='block'>ee<div class='s'></div><div class='s'></div></div><div id='mc'></div>"); |
| reparentLayoutObject("mc", "block"); |
| EXPECT_EQ(columnSetSignature("mc"), "css"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), ""); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSpannerAfterContentAndRemove) |
| { |
| setMulticolHTML("<div id='spanner'></div><div id='mc'><div></div></div>"); |
| reparentLayoutObject("mc", "spanner"); |
| // We should now have a spanner placeholder, since we just moved a spanner into the multicol container. |
| EXPECT_EQ(columnSetSignature("mc"), "cs"); |
| destroyLayoutObject("spanner"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSpannerBeforeContentAndRemove) |
| { |
| setMulticolHTML("<div id='spanner'></div><div id='mc'><div id='columnContent'></div></div>"); |
| reparentLayoutObject("mc", "spanner", "columnContent"); |
| // We should now have a spanner placeholder, since we just moved a spanner into the multicol container. |
| EXPECT_EQ(columnSetSignature("mc"), "sc"); |
| destroyLayoutObject("spanner"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSpannerBetweenContentAndRemove) |
| { |
| setMulticolHTML("<div id='spanner'></div><div id='mc'><div></div><div id='insertBefore'></div></div>"); |
| reparentLayoutObject("mc", "spanner", "insertBefore"); |
| // Since the spanner was inserted in the middle of column content, what used to be one column |
| // set had to be split in two, in order to get a spot to insert the spanner placeholder. |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("spanner"); |
| // The spanner placeholder should be gone again now, and the two sets be merged into one. |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSubtreeWithContentAndSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='block'>text<div id='spanner'></div>text</div><div id='mc'></div>"); |
| reparentLayoutObject("mc", "block"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), ""); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertInsideSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='block'>text</div><div id='mc'><div id='spanner'></div></div>"); |
| reparentLayoutObject("spanner", "block"); |
| EXPECT_EQ(columnSetSignature("mc"), "s"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "s"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSpannerInContentBeforeSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='spanner'></div><div id='mc'><div></div><div id='insertBefore'></div><div class='s'></div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "cs"); |
| reparentLayoutObject("mc", "spanner", "insertBefore"); |
| EXPECT_EQ(columnSetSignature("mc"), "cscs"); |
| destroyLayoutObject("spanner"); |
| EXPECT_EQ(columnSetSignature("mc"), "cs"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSpannerInContentAfterSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='spanner'></div><div id='mc'><div class='s'></div><div></div><div id='insertBefore'></div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "sc"); |
| reparentLayoutObject("mc", "spanner", "insertBefore"); |
| EXPECT_EQ(columnSetSignature("mc"), "scsc"); |
| destroyLayoutObject("spanner"); |
| EXPECT_EQ(columnSetSignature("mc"), "sc"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSpannerAfterSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='spanner'></div><div id='mc'><div class='s'></div></div>"); |
| reparentLayoutObject("mc", "spanner"); |
| EXPECT_EQ(columnSetSignature("mc"), "ss"); |
| destroyLayoutObject("spanner"); |
| EXPECT_EQ(columnSetSignature("mc"), "s"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSpannerBeforeSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='spanner'></div><div id='mc'><div id='insertBefore' class='s'></div></div>"); |
| reparentLayoutObject("mc", "spanner", "insertBefore"); |
| EXPECT_EQ(columnSetSignature("mc"), "ss"); |
| destroyLayoutObject("spanner"); |
| EXPECT_EQ(columnSetSignature("mc"), "s"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertContentBeforeSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='block'></div><div id='mc'><div id='insertBefore' class='s'></div></div>"); |
| reparentLayoutObject("mc", "block", "insertBefore"); |
| EXPECT_EQ(columnSetSignature("mc"), "cs"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "s"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertContentAfterContentBeforeSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='block'></div><div id='mc'>text<div id='insertBefore' class='s'></div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "cs"); |
| reparentLayoutObject("mc", "block", "insertBefore"); |
| // There was already some content before the spanner prior to our insertion, so no new set |
| // should be inserted. |
| EXPECT_EQ(columnSetSignature("mc"), "cs"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "cs"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertContentAfterContentAndSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='block'></div><div id='mc'>content<div class='s'></div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "cs"); |
| reparentLayoutObject("mc", "block"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "cs"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertContentBeforeSpannerAndContentAndRemove) |
| { |
| setMulticolHTML("<div id='block'></div><div id='mc'><div id='insertBefore' class='s'></div>content</div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "sc"); |
| reparentLayoutObject("mc", "block", "insertBefore"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "sc"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSpannerIntoContentBeforeSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='spanner'></div><div id='mc'><div></div><div id='insertBefore'></div><div class='s'></div><div class='s'></div><div></div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "cssc"); |
| reparentLayoutObject("mc", "spanner", "insertBefore"); |
| EXPECT_EQ(columnSetSignature("mc"), "cscssc"); |
| destroyLayoutObject("spanner"); |
| EXPECT_EQ(columnSetSignature("mc"), "cssc"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSpannerIntoContentAfterSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='spanner'></div><div id='mc'><div></div><div class='s'></div><div class='s'></div><div></div><div id='insertBefore'></div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "cssc"); |
| reparentLayoutObject("mc", "spanner", "insertBefore"); |
| EXPECT_EQ(columnSetSignature("mc"), "csscsc"); |
| destroyLayoutObject("spanner"); |
| EXPECT_EQ(columnSetSignature("mc"), "cssc"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertInvalidSpannerAndRemove) |
| { |
| setMulticolHTML("<div class='s' id='invalidSpanner'></div><div id='mc'><div id='spanner'></div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "s"); |
| reparentLayoutObject("spanner", "invalidSpanner"); |
| // It's not allowed to nest spanners. |
| EXPECT_EQ(columnSetSignature("mc"), "s"); |
| destroyLayoutObject("invalidSpanner"); |
| EXPECT_EQ(columnSetSignature("mc"), "s"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSpannerWithInvalidSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='spanner'><div class='s' id='invalidSpanner'></div></div><div id='mc'></div>"); |
| reparentLayoutObject("mc", "spanner"); |
| // It's not allowed to nest spanners. |
| EXPECT_EQ(columnSetSignature("mc"), "s"); |
| destroyLayoutObject("spanner"); |
| EXPECT_EQ(columnSetSignature("mc"), ""); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertInvalidSpannerInSpannerBetweenContentAndRemove) |
| { |
| setMulticolHTML("<div class='s' id='invalidSpanner'></div><div id='mc'>text<div id='spanner'></div>text</div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| reparentLayoutObject("spanner", "invalidSpanner"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("invalidSpanner"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertContentAndSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='block'>text<div id='spanner'></div></div><div id='mc'>text</div>"); |
| reparentLayoutObject("mc", "block"); |
| EXPECT_EQ(columnSetSignature("mc"), "cs"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertContentAndSpannerAndContentAndRemove) |
| { |
| setMulticolHTML("<div id='block'><div id='spanner'></div>text</div><div id='mc'></div>"); |
| reparentLayoutObject("mc", "block"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), ""); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSubtreeWithSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='block'>text<div class='s'></div>text</div><div id='mc'></div>"); |
| reparentLayoutObject("mc", "block"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), ""); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSubtreeWithSpannerAfterContentAndRemove) |
| { |
| setMulticolHTML("<div id='block'>text<div class='s'></div>text</div><div id='mc'>column content</div>"); |
| reparentLayoutObject("mc", "block"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSubtreeWithSpannerBeforeContentAndRemove) |
| { |
| setMulticolHTML("<div id='block'>text<div class='s'></div>text</div><div id='mc'><div id='insertBefore'>column content</div></div>"); |
| reparentLayoutObject("mc", "block", "insertBefore"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSubtreeWithSpannerInsideContentAndRemove) |
| { |
| setMulticolHTML("<div id='block'>text<div class='s'></div>text</div><div id='mc'><div>outside<div id='insertBefore'>outside</div></div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| reparentLayoutObject("mc", "block", "insertBefore"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSubtreeWithSpannerAfterSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='block'>text<div class='s'></div>text</div><div id='mc'><div class='s'></div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "s"); |
| reparentLayoutObject("mc", "block"); |
| EXPECT_EQ(columnSetSignature("mc"), "scsc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "s"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, InsertSubtreeWithSpannerBeforeSpannerAndRemove) |
| { |
| setMulticolHTML("<div id='block'>text<div class='s'></div>text</div><div id='mc'><div id='insertBefore' class='s'></div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "s"); |
| reparentLayoutObject("mc", "block", "insertBefore"); |
| EXPECT_EQ(columnSetSignature("mc"), "cscs"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "s"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, RemoveSpannerAndContent) |
| { |
| setMulticolHTML("<div id='mc'><div id='block'>text<div class='s'></div>text</div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), ""); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, RemoveSpannerAndSomeContentBefore) |
| { |
| setMulticolHTML("<div id='mc'>text<div id='block'>text<div class='s'></div></div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "cs"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, RemoveSpannerAndAllContentBefore) |
| { |
| setMulticolHTML("<div id='mc'><div id='block'>text<div class='s'></div></div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "cs"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), ""); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, RemoveSpannerAndAllContentBeforeWithContentAfter) |
| { |
| setMulticolHTML("<div id='mc'><div id='block'>text<div class='s'></div></div>text</div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, RemoveSpannerAndSomeContentAfter) |
| { |
| setMulticolHTML("<div id='mc'><div id='block'><div class='s'></div>text</div>text</div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, RemoveSpannerAndAllContentAfter) |
| { |
| setMulticolHTML("<div id='mc'><div id='block'><div class='s'></div>text</div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), ""); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, RemoveSpannerAndAllContentAfterWithContentBefore) |
| { |
| setMulticolHTML("<div id='mc'>text<div id='block'><div class='s'></div>text</div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, RemoveTwoSpannersBeforeContent) |
| { |
| setMulticolHTML("<div id='mc'><div id='block'><div class='s'></div><div class='s'></div></div>text</div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "cssc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, RemoveSpannerAndContentAndSpanner) |
| { |
| setMulticolHTML("<div id='mc'><div id='block'><div class='s'></div>text<div class='s'></div>text</div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "cscsc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), ""); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, RemoveSpannerAndContentAndSpannerBeforeContent) |
| { |
| setMulticolHTML("<div id='mc'><div id='block'><div class='s'></div>text<div class='s'></div></div>text</div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "cscsc"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, RemoveSpannerAndContentAndSpannerAfterContent) |
| { |
| setMulticolHTML("<div id='mc'>text<div id='block'><div class='s'></div>text<div class='s'></div></div></div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "cscs"); |
| destroyLayoutObject("block"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, RemoveInvalidSpannerInSpannerBetweenContent) |
| { |
| setMulticolHTML("<div id='mc'>text<div class='s'><div id='spanner'></div></div>text</div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("spanner"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| } |
| |
| TEST_F(MultiColumnTreeModifyingTest, RemoveSpannerWithInvalidSpannerBetweenContent) |
| { |
| setMulticolHTML("<div id='mc'>text<div id='spanner'><div class='s'></div></div>text</div>"); |
| EXPECT_EQ(columnSetSignature("mc"), "csc"); |
| destroyLayoutObject("spanner"); |
| EXPECT_EQ(columnSetSignature("mc"), "c"); |
| } |
| |
| } // anonymous namespace |
| |
| } // namespace blink |