[LayoutNG] Parameterize NGOffsetMappingTest with LayoutNGPaintFragments

Since offset mapping must work with inline painting enabled, its unit
tests must also work. This patch parameterizes the unit tests to verify
this.

Bug: 699017
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_layout_tests_layout_ng
Change-Id: Ifcb03aa1992498b973e2cf9e59e136be0e93fe63
Reviewed-on: https://chromium-review.googlesource.com/777724Reviewed-by: Koji Ishii <kojii@chromium.org>
Commit-Queue: Xiaocheng Hu <xiaochengh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#517739}

third_party/WebKit/Source/core/layout/ng/inline/ng_offset_mapping_test.cc

@@ -86,6 +86,19 @@ class NGOffsetMappingTest : public NGLayoutTest {
   FontCachePurgePreventer purge_preventer_;
 };
 
+class ParameterizedNGOffsetMappingTest
+    : public ::testing::WithParamInterface<bool>,
+      private ScopedLayoutNGPaintFragmentsForTest,
+      public NGOffsetMappingTest {
+ public:
+  ParameterizedNGOffsetMappingTest()
+      : ScopedLayoutNGPaintFragmentsForTest(GetParam()) {}
+};
+
+INSTANTIATE_TEST_CASE_P(All,
+                        ParameterizedNGOffsetMappingTest,
+                        ::testing::Bool());
+
 #define TEST_UNIT(unit, type, owner, dom_start, dom_end, text_content_start, \
                   text_content_end)                                          \
   EXPECT_EQ(type, unit.GetType());                                           \
@@ -100,14 +113,14 @@ class NGOffsetMappingTest : public NGLayoutTest {
   EXPECT_EQ(start, ranges.at(owner).first);   \
   EXPECT_EQ(end, ranges.at(owner).second)
 
-TEST_F(NGOffsetMappingTest, StoredResult) {
+TEST_P(ParameterizedNGOffsetMappingTest, StoredResult) {
   SetupHtml("t", "<div id=t>foo</div>");
   EXPECT_FALSE(IsOffsetMappingStored());
   GetOffsetMapping();
   EXPECT_TRUE(IsOffsetMappingStored());
 }
 
-TEST_F(NGOffsetMappingTest, OneTextNode) {
+TEST_P(ParameterizedNGOffsetMappingTest, OneTextNode) {
   SetupHtml("t", "<div id=t>foo</div>");
   const Node* foo_node = layout_object_->GetNode();
   const NGOffsetMapping& result = GetOffsetMapping();
@@ -170,7 +183,7 @@ TEST_F(NGOffsetMappingTest, OneTextNode) {
   EXPECT_TRUE(IsAfterNonCollapsedContent(Position(foo_node, 3)));
 }
 
-TEST_F(NGOffsetMappingTest, TwoTextNodes) {
+TEST_P(ParameterizedNGOffsetMappingTest, TwoTextNodes) {
   SetupHtml("t", "<div id=t>foo<span id=s>bar</span></div>");
   const LayoutText* foo = ToLayoutText(layout_object_);
   const LayoutText* bar = GetLayoutTextUnder("s");
@@ -238,7 +251,7 @@ TEST_F(NGOffsetMappingTest, TwoTextNodes) {
   EXPECT_TRUE(IsAfterNonCollapsedContent(Position(bar_node, 3)));
 }
 
-TEST_F(NGOffsetMappingTest, BRBetweenTextNodes) {
+TEST_P(ParameterizedNGOffsetMappingTest, BRBetweenTextNodes) {
   SetupHtml("t", u"<div id=t>foo<br>bar</div>");
   const LayoutText* foo = ToLayoutText(layout_object_);
   const LayoutText* br = ToLayoutText(foo->NextSibling());
@@ -293,7 +306,7 @@ TEST_F(NGOffsetMappingTest, BRBetweenTextNodes) {
   EXPECT_EQ(Position(bar_node, 0), GetLastPosition(4));
 }
 
-TEST_F(NGOffsetMappingTest, OneTextNodeWithCollapsedSpace) {
+TEST_P(ParameterizedNGOffsetMappingTest, OneTextNodeWithCollapsedSpace) {
   SetupHtml("t", "<div id=t>foo  bar</div>");
   const Node* node = layout_object_->GetNode();
   const NGOffsetMapping& result = GetOffsetMapping();
@@ -366,7 +379,7 @@ TEST_F(NGOffsetMappingTest, OneTextNodeWithCollapsedSpace) {
   EXPECT_TRUE(IsAfterNonCollapsedContent(Position(node, 8)));
 }
 
-TEST_F(NGOffsetMappingTest, FullyCollapsedWhiteSpaceNode) {
+TEST_P(ParameterizedNGOffsetMappingTest, FullyCollapsedWhiteSpaceNode) {
   SetupHtml("t",
             "<div id=t>"
             "<span id=s1>foo </span>"
@@ -432,7 +445,7 @@ TEST_F(NGOffsetMappingTest, FullyCollapsedWhiteSpaceNode) {
       StartOfNextNonCollapsedContent(Position(space_node, 0u)).IsNull());
 }
 
-TEST_F(NGOffsetMappingTest, ReplacedElement) {
+TEST_P(ParameterizedNGOffsetMappingTest, ReplacedElement) {
   SetupHtml("t", "<div id=t>foo <img> bar</div>");
   const LayoutText* foo = ToLayoutText(layout_object_);
   const LayoutObject* img = foo->NextSibling();
@@ -489,7 +502,7 @@ TEST_F(NGOffsetMappingTest, ReplacedElement) {
   EXPECT_EQ(Position(bar_node, 0), GetLastPosition(5));
 }
 
-TEST_F(NGOffsetMappingTest, FirstLetter) {
+TEST_P(ParameterizedNGOffsetMappingTest, FirstLetter) {
   SetupHtml("t",
             "<style>div:first-letter{color:red}</style>"
             "<div id=t>foo</div>");
@@ -519,7 +532,7 @@ TEST_F(NGOffsetMappingTest, FirstLetter) {
   EXPECT_EQ(Position(foo_node, 1), GetLastPosition(1));
 }
 
-TEST_F(NGOffsetMappingTest, FirstLetterWithLeadingSpace) {
+TEST_P(ParameterizedNGOffsetMappingTest, FirstLetterWithLeadingSpace) {
   SetupHtml("t",
             "<style>div:first-letter{color:red}</style>"
             "<div id=t>  foo</div>");
@@ -555,7 +568,7 @@ TEST_F(NGOffsetMappingTest, FirstLetterWithLeadingSpace) {
   EXPECT_EQ(Position(foo_node, 2), GetLastPosition(0));
 }
 
-TEST_F(NGOffsetMappingTest, FirstLetterWithoutRemainingText) {
+TEST_P(ParameterizedNGOffsetMappingTest, FirstLetterWithoutRemainingText) {
   SetupHtml("t",
             "<style>div:first-letter{color:red}</style>"
             "<div id=t>  f</div>");
@@ -586,7 +599,7 @@ TEST_F(NGOffsetMappingTest, FirstLetterWithoutRemainingText) {
   EXPECT_EQ(Position(text_node, 2), GetLastPosition(0));
 }
 
-TEST_F(NGOffsetMappingTest, FirstLetterInDifferentBlock) {
+TEST_P(ParameterizedNGOffsetMappingTest, FirstLetterInDifferentBlock) {
   SetupHtml("t",
             "<style>:first-letter{float:right}</style><div id=t>foo</div>");
   Element* div = GetDocument().getElementById("t");
@@ -650,7 +663,7 @@ TEST_F(NGOffsetMappingTest, FirstLetterInDifferentBlock) {
   EXPECT_EQ(Position(text_node, 1), remaining_text_result.GetLastPosition(1));
 }
 
-TEST_F(NGOffsetMappingTest, WhiteSpaceTextNodeWithoutLayoutText) {
+TEST_P(ParameterizedNGOffsetMappingTest, WhiteSpaceTextNodeWithoutLayoutText) {
   SetupHtml("t", "<div id=t> <span>foo</span></div>");
   Element* div = GetDocument().getElementById("t");
   const Node* text_node = div->firstChild();
@@ -659,7 +672,8 @@ TEST_F(NGOffsetMappingTest, WhiteSpaceTextNodeWithoutLayoutText) {
   EXPECT_TRUE(StartOfNextNonCollapsedContent(Position(text_node, 0u)).IsNull());
 }
 
-TEST_F(NGOffsetMappingTest, OneContainerWithLeadingAndTrailingSpaces) {
+TEST_P(ParameterizedNGOffsetMappingTest,
+       OneContainerWithLeadingAndTrailingSpaces) {
   SetupHtml("t", "<div id=t><span id=s>  foo  </span></div>");
   const Node* span = GetElementById("s");
   const Node* text = span->firstChild();
@@ -683,7 +697,7 @@ TEST_F(NGOffsetMappingTest, OneContainerWithLeadingAndTrailingSpaces) {
   EXPECT_EQ(3u, *GetTextContentOffset(Position::AfterNode(*span)));
 }
 
-TEST_F(NGOffsetMappingTest, ContainerWithGeneratedContent) {
+TEST_P(ParameterizedNGOffsetMappingTest, ContainerWithGeneratedContent) {
   SetupHtml("t",
             "<style>#s::before{content:'bar'} #s::after{content:'baz'}</style>"
             "<div id=t><span id=s>foo</span></div>");