| // Copyright 2016 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 "third_party/blink/renderer/core/layout/layout_text.h" |
| |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/renderer/core/dom/pseudo_element.h" |
| #include "third_party/blink/renderer/core/editing/frame_selection.h" |
| #include "third_party/blink/renderer/core/editing/selection_template.h" |
| #include "third_party/blink/renderer/core/editing/testing/selection_sample.h" |
| #include "third_party/blink/renderer/core/layout/line/inline_text_box.h" |
| #include "third_party/blink/renderer/core/testing/core_unit_test_helper.h" |
| #include "third_party/blink/renderer/platform/runtime_enabled_features.h" |
| #include "third_party/blink/renderer/platform/testing/runtime_enabled_features_test_helpers.h" |
| |
| namespace blink { |
| |
| namespace { |
| |
| class LayoutTextTest : public RenderingTest { |
| public: |
| void SetBasicBody(const char* message) { |
| SetBodyInnerHTML(String::Format( |
| "<div id='target' style='font-size: 10px;'>%s</div>", message)); |
| } |
| |
| void SetAhemBody(const char* message, const unsigned width) { |
| SetBodyInnerHTML(String::Format( |
| "<div id='target' style='font: 10px Ahem; width: %uem'>%s</div>", width, |
| message)); |
| } |
| |
| LayoutText* GetLayoutTextById(const char* id) { |
| return To<LayoutText>(GetLayoutObjectByElementId(id)->SlowFirstChild()); |
| } |
| |
| LayoutText* GetBasicText() { return GetLayoutTextById("target"); } |
| |
| void SetSelectionAndUpdateLayoutSelection(const std::string& selection_text) { |
| const SelectionInDOMTree selection = |
| SelectionSample::SetSelectionText(GetDocument().body(), selection_text); |
| UpdateAllLifecyclePhasesForTest(); |
| Selection().SetSelectionAndEndTyping(selection); |
| Selection().CommitAppearanceIfNeeded(); |
| } |
| |
| const LayoutText* FindFirstLayoutText() { |
| for (const Node& node : |
| NodeTraversal::DescendantsOf(*GetDocument().body())) { |
| if (node.GetLayoutObject() && node.GetLayoutObject()->IsText()) |
| return To<LayoutText>(node.GetLayoutObject()); |
| } |
| NOTREACHED(); |
| return nullptr; |
| } |
| |
| PhysicalRect GetSelectionRectFor(const std::string& selection_text) { |
| std::stringstream stream; |
| stream << "<div style='font: 10px/10px Ahem;'>" << selection_text |
| << "</div>"; |
| SetSelectionAndUpdateLayoutSelection(stream.str()); |
| const Node* target = GetDocument().getElementById("target"); |
| const LayoutObject* layout_object = |
| target ? target->GetLayoutObject() : FindFirstLayoutText(); |
| return layout_object->LocalSelectionVisualRect(); |
| } |
| |
| std::string GetSnapCode(const LayoutText& layout_text, |
| const std::string& caret_text) { |
| return GetSnapCode(layout_text, caret_text.find('|')); |
| } |
| |
| std::string GetSnapCode(const char* id, const std::string& caret_text) { |
| return GetSnapCode(*GetLayoutTextById(id), caret_text); |
| } |
| |
| std::string GetSnapCode(const std::string& caret_text) { |
| return GetSnapCode(*GetBasicText(), caret_text); |
| } |
| |
| std::string GetSnapCode(const LayoutText& layout_text, unsigned offset) { |
| std::string result(3, '_'); |
| // Note:: |IsBeforeNonCollapsedCharacter()| and |ContainsCaretOffset()| |
| // accept out-of-bound offset but |IsAfterNonCollapsedCharacter()| doesn't. |
| result[0] = layout_text.IsBeforeNonCollapsedCharacter(offset) ? 'B' : '-'; |
| result[1] = layout_text.ContainsCaretOffset(offset) ? 'C' : '-'; |
| if (offset <= layout_text.TextLength()) |
| result[2] = layout_text.IsAfterNonCollapsedCharacter(offset) ? 'A' : '-'; |
| return result; |
| } |
| }; |
| |
| const char kTacoText[] = "Los Compadres Taco Truck"; |
| |
| // Helper class to run the same test code with and without LayoutNG |
| class ParameterizedLayoutTextTest : public testing::WithParamInterface<bool>, |
| private ScopedLayoutNGForTest, |
| public LayoutTextTest { |
| public: |
| ParameterizedLayoutTextTest() : ScopedLayoutNGForTest(GetParam()) {} |
| |
| protected: |
| bool LayoutNGEnabled() const { |
| return RuntimeEnabledFeatures::LayoutNGEnabled(); |
| } |
| |
| // TODO(yosin): Once we release EditingNG, this function is used for |
| // specifying legacy specific behavior. |
| const char* ValueWithLegacy(const char* ng_text, |
| const char* legacy_text, |
| const char* reason) { |
| DCHECK_NE(*reason, 0); |
| return LayoutNGEnabled() ? ng_text : legacy_text; |
| } |
| }; |
| |
| INSTANTIATE_TEST_SUITE_P(All, ParameterizedLayoutTextTest, testing::Bool()); |
| |
| } // namespace |
| |
| TEST_F(LayoutTextTest, WidthZeroFromZeroLength) { |
| SetBasicBody(kTacoText); |
| ASSERT_EQ(0, GetBasicText()->Width(0u, 0u, LayoutUnit(), TextDirection::kLtr, |
| false)); |
| } |
| |
| TEST_F(LayoutTextTest, WidthMaxFromZeroLength) { |
| SetBasicBody(kTacoText); |
| ASSERT_EQ(0, GetBasicText()->Width(std::numeric_limits<unsigned>::max(), 0u, |
| LayoutUnit(), TextDirection::kLtr, false)); |
| } |
| |
| TEST_F(LayoutTextTest, WidthZeroFromMaxLength) { |
| SetBasicBody(kTacoText); |
| float width = GetBasicText()->Width(0u, std::numeric_limits<unsigned>::max(), |
| LayoutUnit(), TextDirection::kLtr, false); |
| // Width may vary by platform and we just want to make sure it's something |
| // roughly reasonable. |
| ASSERT_GE(width, 100.f); |
| ASSERT_LE(width, 160.f); |
| } |
| |
| TEST_F(LayoutTextTest, WidthMaxFromMaxLength) { |
| SetBasicBody(kTacoText); |
| ASSERT_EQ(0, GetBasicText()->Width(std::numeric_limits<unsigned>::max(), |
| std::numeric_limits<unsigned>::max(), |
| LayoutUnit(), TextDirection::kLtr, false)); |
| } |
| |
| TEST_F(LayoutTextTest, WidthWithHugeLengthAvoidsOverflow) { |
| // The test case from http://crbug.com/647820 uses a 288-length string, so for |
| // posterity we follow that closely. |
| SetBodyInnerHTML(R"HTML( |
| <div |
| id='target'> |
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx |
| xxxx |
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx |
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx |
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx |
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx |
| </div> |
| )HTML"); |
| // Width may vary by platform and we just want to make sure it's something |
| // roughly reasonable. |
| const float width = GetBasicText()->Width( |
| 23u, 4294967282u, LayoutUnit(2.59375), TextDirection::kRtl, false); |
| ASSERT_GE(width, 100.f); |
| ASSERT_LE(width, 300.f); |
| } |
| |
| TEST_F(LayoutTextTest, WidthFromBeyondLength) { |
| SetBasicBody("x"); |
| ASSERT_EQ(0u, GetBasicText()->Width(1u, 1u, LayoutUnit(), TextDirection::kLtr, |
| false)); |
| } |
| |
| TEST_F(LayoutTextTest, WidthLengthBeyondLength) { |
| SetBasicBody("x"); |
| // Width may vary by platform and we just want to make sure it's something |
| // roughly reasonable. |
| const float width = |
| GetBasicText()->Width(0u, 2u, LayoutUnit(), TextDirection::kLtr, false); |
| ASSERT_GE(width, 4.f); |
| ASSERT_LE(width, 20.f); |
| } |
| |
| TEST_F(LayoutTextTest, ContainsOnlyWhitespaceOrNbsp) { |
| // Note that ' ' is needed when only including whitespace to force |
| // LayoutText creation from the div. |
| SetBasicBody(" "); |
| // GetWidth will also compute |contains_only_whitespace_|. |
| GetBasicText()->Width(0u, 1u, LayoutUnit(), TextDirection::kLtr, false); |
| EXPECT_EQ(OnlyWhitespaceOrNbsp::kYes, |
| GetBasicText()->ContainsOnlyWhitespaceOrNbsp()); |
| |
| SetBasicBody(" \t\t\n \n\t   \n\t \n \t"); |
| EXPECT_EQ(OnlyWhitespaceOrNbsp::kUnknown, |
| GetBasicText()->ContainsOnlyWhitespaceOrNbsp()); |
| GetBasicText()->Width(0u, 18u, LayoutUnit(), TextDirection::kLtr, false); |
| EXPECT_EQ(OnlyWhitespaceOrNbsp::kYes, |
| GetBasicText()->ContainsOnlyWhitespaceOrNbsp()); |
| |
| SetBasicBody("abc"); |
| GetBasicText()->Width(0u, 3u, LayoutUnit(), TextDirection::kLtr, false); |
| EXPECT_EQ(OnlyWhitespaceOrNbsp::kNo, |
| GetBasicText()->ContainsOnlyWhitespaceOrNbsp()); |
| |
| SetBasicBody(" \t \nx \n"); |
| GetBasicText()->Width(0u, 8u, LayoutUnit(), TextDirection::kLtr, false); |
| EXPECT_EQ(OnlyWhitespaceOrNbsp::kNo, |
| GetBasicText()->ContainsOnlyWhitespaceOrNbsp()); |
| } |
| |
| struct NGOffsetMappingTestData { |
| const char* text; |
| unsigned dom_start; |
| unsigned dom_end; |
| bool success; |
| unsigned text_start; |
| unsigned text_end; |
| } offset_mapping_test_data[] = { |
| {"<div id=target> a b </div>", 0, 1, true, 0, 0}, |
| {"<div id=target> a b </div>", 1, 2, true, 0, 1}, |
| {"<div id=target> a b </div>", 2, 3, true, 1, 2}, |
| {"<div id=target> a b </div>", 2, 4, true, 1, 2}, |
| {"<div id=target> a b </div>", 2, 5, true, 1, 3}, |
| {"<div id=target> a b </div>", 3, 4, true, 2, 2}, |
| {"<div id=target> a b </div>", 3, 5, true, 2, 3}, |
| {"<div id=target> a b </div>", 5, 6, true, 3, 3}, |
| {"<div id=target> a b </div>", 5, 7, true, 3, 3}, |
| {"<div id=target> a b </div>", 6, 7, true, 3, 3}, |
| {"<div>a <span id=target> </span>b</div>", 0, 1, false, 0, 1}}; |
| |
| std::ostream& operator<<(std::ostream& out, NGOffsetMappingTestData data) { |
| return out << "\"" << data.text << "\" " << data.dom_start << "," |
| << data.dom_end << " => " << (data.success ? "true " : "false ") |
| << data.text_start << "," << data.text_end; |
| } |
| |
| class MapDOMOffsetToTextContentOffset |
| : public LayoutTextTest, |
| private ScopedLayoutNGForTest, |
| public testing::WithParamInterface<NGOffsetMappingTestData> { |
| public: |
| MapDOMOffsetToTextContentOffset() : ScopedLayoutNGForTest(true) {} |
| }; |
| |
| INSTANTIATE_TEST_SUITE_P(LayoutTextTest, |
| MapDOMOffsetToTextContentOffset, |
| testing::ValuesIn(offset_mapping_test_data)); |
| |
| TEST_P(MapDOMOffsetToTextContentOffset, Basic) { |
| const auto data = GetParam(); |
| SetBodyInnerHTML(data.text); |
| LayoutText* layout_text = GetBasicText(); |
| const NGOffsetMapping* mapping = layout_text->GetNGOffsetMapping(); |
| ASSERT_TRUE(mapping); |
| unsigned start = data.dom_start; |
| unsigned end = data.dom_end; |
| bool success = |
| layout_text->MapDOMOffsetToTextContentOffset(*mapping, &start, &end); |
| EXPECT_EQ(data.success, success); |
| if (success) { |
| EXPECT_EQ(data.text_start, start); |
| EXPECT_EQ(data.text_end, end); |
| } |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, CharacterAfterWhitespaceCollapsing) { |
| SetBodyInnerHTML("a<span id=target> b </span>"); |
| LayoutText* layout_text = GetLayoutTextById("target"); |
| EXPECT_EQ(' ', layout_text->FirstCharacterAfterWhitespaceCollapsing()); |
| EXPECT_EQ('b', layout_text->LastCharacterAfterWhitespaceCollapsing()); |
| |
| SetBodyInnerHTML("a <span id=target> b </span>"); |
| layout_text = GetLayoutTextById("target"); |
| EXPECT_EQ('b', layout_text->FirstCharacterAfterWhitespaceCollapsing()); |
| EXPECT_EQ('b', layout_text->LastCharacterAfterWhitespaceCollapsing()); |
| |
| SetBodyInnerHTML("a<span id=target> </span>b"); |
| layout_text = GetLayoutTextById("target"); |
| EXPECT_EQ(' ', layout_text->FirstCharacterAfterWhitespaceCollapsing()); |
| EXPECT_EQ(' ', layout_text->LastCharacterAfterWhitespaceCollapsing()); |
| |
| SetBodyInnerHTML("a <span id=target> </span>b"); |
| layout_text = GetLayoutTextById("target"); |
| DCHECK(!layout_text->HasInlineFragments()); |
| EXPECT_EQ(0, layout_text->FirstCharacterAfterWhitespaceCollapsing()); |
| EXPECT_EQ(0, layout_text->LastCharacterAfterWhitespaceCollapsing()); |
| |
| SetBodyInnerHTML( |
| "<span style='white-space: pre'>a <span id=target> </span>b</span>"); |
| layout_text = GetLayoutTextById("target"); |
| EXPECT_EQ(' ', layout_text->FirstCharacterAfterWhitespaceCollapsing()); |
| EXPECT_EQ(' ', layout_text->LastCharacterAfterWhitespaceCollapsing()); |
| |
| SetBodyInnerHTML("<span id=target>Hello </span> <span>world</span>"); |
| layout_text = GetLayoutTextById("target"); |
| EXPECT_EQ('H', layout_text->FirstCharacterAfterWhitespaceCollapsing()); |
| EXPECT_EQ(' ', layout_text->LastCharacterAfterWhitespaceCollapsing()); |
| layout_text = |
| To<LayoutText>(GetLayoutObjectByElementId("target")->NextSibling()); |
| DCHECK(!layout_text->HasInlineFragments()); |
| EXPECT_EQ(0, layout_text->FirstCharacterAfterWhitespaceCollapsing()); |
| EXPECT_EQ(0, layout_text->LastCharacterAfterWhitespaceCollapsing()); |
| |
| SetBodyInnerHTML("<b id=target>🍌_🍍</b>"); |
| layout_text = GetLayoutTextById("target"); |
| EXPECT_EQ(0x1F34C, layout_text->FirstCharacterAfterWhitespaceCollapsing()); |
| EXPECT_EQ(0x1F34D, layout_text->LastCharacterAfterWhitespaceCollapsing()); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, CaretMinMaxOffset) { |
| SetBasicBody("foo"); |
| EXPECT_EQ(0, GetBasicText()->CaretMinOffset()); |
| EXPECT_EQ(3, GetBasicText()->CaretMaxOffset()); |
| |
| SetBasicBody(" foo"); |
| EXPECT_EQ(2, GetBasicText()->CaretMinOffset()); |
| EXPECT_EQ(5, GetBasicText()->CaretMaxOffset()); |
| |
| SetBasicBody("foo "); |
| EXPECT_EQ(0, GetBasicText()->CaretMinOffset()); |
| EXPECT_EQ(3, GetBasicText()->CaretMaxOffset()); |
| |
| SetBasicBody(" foo "); |
| EXPECT_EQ(1, GetBasicText()->CaretMinOffset()); |
| EXPECT_EQ(4, GetBasicText()->CaretMaxOffset()); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, ResolvedTextLength) { |
| SetBasicBody("foo"); |
| EXPECT_EQ(3u, GetBasicText()->ResolvedTextLength()); |
| |
| SetBasicBody(" foo"); |
| EXPECT_EQ(3u, GetBasicText()->ResolvedTextLength()); |
| |
| SetBasicBody("foo "); |
| EXPECT_EQ(3u, GetBasicText()->ResolvedTextLength()); |
| |
| SetBasicBody(" foo "); |
| EXPECT_EQ(3u, GetBasicText()->ResolvedTextLength()); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, ContainsCaretOffset) { |
| // This test records the behavior introduced in crrev.com/e3eb4e |
| SetBasicBody(" foo bar "); |
| // text_content = "foo bar" |
| // offset mapping unit: |
| // [0] = C DOM:0-1 TC:0-0 |
| // [1] = I DOM:1-5 TC:0-4 "foo " |
| // [2] = C DOM:5-7 TC:4-4 |
| // [3] = I DOM:7-10 TC:4-7 "bar" |
| // [4] = C DOM:10-11 TC:7-7 |
| EXPECT_EQ("---", GetSnapCode("| foo bar ")); |
| EXPECT_EQ("BC-", GetSnapCode(" |foo bar ")); |
| EXPECT_EQ("BCA", GetSnapCode(" f|oo bar ")); |
| EXPECT_EQ("BCA", GetSnapCode(" fo|o bar ")); |
| EXPECT_EQ("BCA", GetSnapCode(" foo| bar ")); |
| EXPECT_EQ("-CA", GetSnapCode(" foo | bar ")); |
| EXPECT_EQ("---", GetSnapCode(" foo | bar ")); |
| EXPECT_EQ("BC-", GetSnapCode(" foo |bar ")); |
| EXPECT_EQ("BCA", GetSnapCode(" foo b|ar ")); |
| EXPECT_EQ("BCA", GetSnapCode(" foo ba|r ")); |
| EXPECT_EQ("-CA", GetSnapCode(" foo bar| ")); |
| EXPECT_EQ("---", GetSnapCode(" foo bar |")); |
| EXPECT_EQ("--_", GetSnapCode(*GetBasicText(), 12)); // out of range |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, ContainsCaretOffsetInPre) { |
| // These tests record the behavior introduced in crrev.com/e3eb4e |
| InsertStyleElement("#target {white-space: pre; }"); |
| |
| SetBasicBody("foo bar"); |
| EXPECT_EQ("BC-", GetSnapCode("|foo bar")); |
| EXPECT_EQ("BCA", GetSnapCode("f|oo bar")); |
| EXPECT_EQ("BCA", GetSnapCode("fo|o bar")); |
| EXPECT_EQ("BCA", GetSnapCode("foo| bar")); |
| EXPECT_EQ("BCA", GetSnapCode("foo | bar")); |
| EXPECT_EQ("BCA", GetSnapCode("foo | bar")); |
| EXPECT_EQ("BCA", GetSnapCode("foo |bar")); |
| EXPECT_EQ("BCA", GetSnapCode("foo b|ar")); |
| EXPECT_EQ("BCA", GetSnapCode("foo ba|r")); |
| EXPECT_EQ("-CA", GetSnapCode("foo bar|")); |
| |
| SetBasicBody("abc\n"); |
| // text_content = "abc\n" |
| // offset mapping unit: |
| // [0] I DOM:0-4 TC:0-4 "abc\n" |
| EXPECT_EQ("BC-", GetSnapCode("|abc\n")); |
| EXPECT_EQ("BCA", GetSnapCode("a|bc\n")); |
| EXPECT_EQ("BCA", GetSnapCode("ab|c\n")); |
| EXPECT_EQ("BCA", GetSnapCode("abc|\n")); |
| EXPECT_EQ("--A", GetSnapCode("abc\n|")); |
| |
| SetBasicBody("foo\nbar"); |
| EXPECT_EQ("BC-", GetSnapCode("|foo\nbar")); |
| EXPECT_EQ("BCA", GetSnapCode("f|oo\nbar")); |
| EXPECT_EQ("BCA", GetSnapCode("fo|o\nbar")); |
| EXPECT_EQ("BCA", GetSnapCode("foo|\nbar")); |
| EXPECT_EQ("BCA", GetSnapCode("foo\n|bar")); |
| EXPECT_EQ("BCA", GetSnapCode("foo\nb|ar")); |
| EXPECT_EQ("BCA", GetSnapCode("foo\nba|r")); |
| EXPECT_EQ("-CA", GetSnapCode("foo\nbar|")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, ContainsCaretOffsetInPreLine) { |
| InsertStyleElement("#target {white-space: pre-line; }"); |
| |
| SetBasicBody("ab \n cd"); |
| // text_content = "ab\ncd" |
| // offset mapping unit: |
| // [0] I DOM:0-2 TC:0-2 "ab" |
| // [1] C DOM:2-3 TC:2-2 |
| // [2] I DOM:3-4 TC:2-3 "\n" |
| // [3] C DOM:4-5 TC:3-3 |
| // [4] I DOM:5-7 TC:3-5 "cd" |
| EXPECT_EQ("BC-", GetSnapCode("|ab \n cd")); |
| EXPECT_EQ("BCA", GetSnapCode("a|b \n cd")); |
| EXPECT_EQ(ValueWithLegacy("-CA", "BCA", "before collapsed trailing space"), |
| GetSnapCode("ab| \n cd")); |
| EXPECT_EQ(ValueWithLegacy("BC-", "BCA", "after first trailing space"), |
| GetSnapCode("ab |\n cd")); |
| EXPECT_EQ(ValueWithLegacy("--A", "B-A", "before collapsed leading space"), |
| GetSnapCode("ab \n| cd")); |
| EXPECT_EQ(ValueWithLegacy("BC-", "BCA", "after collapsed leading space"), |
| GetSnapCode("ab \n |cd")); |
| |
| SetBasicBody("ab \n cd"); |
| // text_content = "ab\ncd" |
| // offset mapping unit: |
| // [0] I DOM:0-2 TC:0-2 "ab" |
| // [1] C DOM:2-4 TC:2-2 |
| // [2] I DOM:4-5 TC:2-3 "\n" |
| // [3] C DOM:5-7 TC:3-3 |
| // [4] I DOM:7-9 TC:3-5 "cd" |
| EXPECT_EQ("BC-", GetSnapCode("|ab \n cd")); |
| EXPECT_EQ("BCA", GetSnapCode("a|b \n cd")); |
| EXPECT_EQ(ValueWithLegacy("-CA", "BCA", "before collapsed trailing space"), |
| GetSnapCode("ab| \n cd")); |
| EXPECT_EQ(ValueWithLegacy("---", "-CA", "after first trailing space"), |
| GetSnapCode("ab | \n cd")); |
| EXPECT_EQ(ValueWithLegacy("BC-", "BCA", "after collapsed trailing space"), |
| GetSnapCode("ab |\n cd")); |
| EXPECT_EQ(ValueWithLegacy("--A", "B-A", "before collapsed leading space"), |
| GetSnapCode("ab \n| cd")); |
| EXPECT_EQ(ValueWithLegacy("---", "--A", "after collapsed leading space"), |
| GetSnapCode("ab \n | cd")); |
| EXPECT_EQ("BC-", GetSnapCode("ab \n |cd")); |
| EXPECT_EQ("BCA", GetSnapCode("ab \n c|d")); |
| EXPECT_EQ("-CA", GetSnapCode("ab \n cd|")); |
| |
| SetBasicBody("a\n\nb"); |
| EXPECT_EQ("BC-", GetSnapCode("|a\n\nb")); |
| EXPECT_EQ("BCA", GetSnapCode("a|\n\nb")); |
| EXPECT_EQ("BCA", GetSnapCode("a\n|\nb")); |
| EXPECT_EQ("BCA", GetSnapCode("a\n\n|b")); |
| EXPECT_EQ("-CA", GetSnapCode("a\n\nb|")); |
| |
| SetBasicBody("a \n \n b"); |
| // text_content = "a\n\nb" |
| // offset mapping unit: |
| // [0] = I DOM:0-1 TC:0-1 "a" |
| // [1] = C DOM:1-2 TC:1-1 |
| // [2] = I DOM:2-3 TC:1-2 "\n" |
| // [3] = C DOM:3-4 TC:2-2 |
| // [4] = I DOM:4-5 TC:2-3 "\n" |
| // [5] = C DOM:5-6 TC:3-3 |
| // [6] = I DOM:6-7 TC:3-4 "b" |
| EXPECT_EQ("BC-", GetSnapCode("|a \n \n b")); |
| EXPECT_EQ(ValueWithLegacy("-CA", "BCA", "before collapsed trailing space"), |
| GetSnapCode("a| \n \n b")); |
| EXPECT_EQ(ValueWithLegacy("BC-", "BCA", "after first trailing space"), |
| GetSnapCode("a |\n \n b")); |
| EXPECT_EQ(ValueWithLegacy("--A", "B-A", "before leading collapsed space"), |
| GetSnapCode("a \n| \n b")); |
| EXPECT_EQ(ValueWithLegacy("BC-", "BCA", "after first trailing space"), |
| GetSnapCode("a \n |\n b")); |
| EXPECT_EQ(ValueWithLegacy("--A", "B-A", "before collapsed leading space"), |
| GetSnapCode("a \n \n| b")); |
| EXPECT_EQ(ValueWithLegacy("BC-", "BCA", "after collapsed leading space"), |
| GetSnapCode("a \n \n |b")); |
| EXPECT_EQ("-CA", GetSnapCode("a \n \n b|")); |
| |
| SetBasicBody("a \n \n b"); |
| // text_content = "a\n\nb" |
| // offset mapping unit: |
| // [0] = I DOM:0-1 TC:0-1 "a" |
| // [1] = C DOM:1-2 TC:1-1 |
| // [2] = I DOM:2-3 TC:1-2 "\n" |
| // [3] = C DOM:3-5 TC:2-2 |
| // [4] = I DOM:5-6 TC:2-3 "\n" |
| // [5] = C DOM:6-7 TC:3-3 |
| // [6] = I DOM:7-8 TC:3-4 "b" |
| EXPECT_EQ("BC-", GetSnapCode("|a \n \n b")); |
| EXPECT_EQ(ValueWithLegacy("-CA", "BCA", "before collapsed trailing space"), |
| GetSnapCode("a| \n \n b")); |
| EXPECT_EQ(ValueWithLegacy("BC-", "BCA", "after first trailing space"), |
| GetSnapCode("a |\n \n b")); |
| EXPECT_EQ(ValueWithLegacy("--A", "B-A", "before collapsed leading space"), |
| GetSnapCode("a \n| \n b")); |
| EXPECT_EQ(ValueWithLegacy("---", "--A", |
| "after first trailing and in leading space"), |
| GetSnapCode("a \n | \n b")); |
| EXPECT_EQ("BC-", GetSnapCode("a \n |\n b")); |
| EXPECT_EQ(ValueWithLegacy("--A", "B-A", "before collapsed leading space"), |
| GetSnapCode("a \n \n| b")); |
| EXPECT_EQ(ValueWithLegacy("BC-", "BCA", "after collapsed leading space"), |
| GetSnapCode("a \n \n |b")); |
| EXPECT_EQ("-CA", GetSnapCode("a \n \n b|")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, ContainsCaretOffsetWithTrailingSpace) { |
| SetBodyInnerHTML("<div id=target>ab<br>cd</div>"); |
| const auto& text_ab = *GetLayoutTextById("target"); |
| const auto& layout_br = *To<LayoutText>(text_ab.NextSibling()); |
| const auto& text_cd = *To<LayoutText>(layout_br.NextSibling()); |
| |
| EXPECT_EQ("BC-", GetSnapCode(text_ab, "|ab<br>")); |
| EXPECT_EQ("BCA", GetSnapCode(text_ab, "a|b<br>")); |
| EXPECT_EQ("-CA", GetSnapCode(text_ab, "ab|<br>")); |
| EXPECT_EQ("BC-", GetSnapCode(layout_br, 0)); |
| EXPECT_EQ("--A", GetSnapCode(layout_br, 1)); |
| EXPECT_EQ("BC-", GetSnapCode(text_cd, "|cd")); |
| EXPECT_EQ("BCA", GetSnapCode(text_cd, "c|d")); |
| EXPECT_EQ("-CA", GetSnapCode(text_cd, "cd|")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, ContainsCaretOffsetWithTrailingSpace1) { |
| SetBodyInnerHTML("<div id=target>ab <br> cd</div>"); |
| const auto& text_ab = *GetLayoutTextById("target"); |
| const auto& layout_br = *To<LayoutText>(text_ab.NextSibling()); |
| const auto& text_cd = *To<LayoutText>(layout_br.NextSibling()); |
| |
| // text_content = "ab\ncd" |
| // offset mapping unit: |
| // [0] I DOM:0-2 TC:0-2 "ab" |
| // [1] C DOM:2-3 TC:2-2 |
| // [2] I DOM:0-1 TC:2-3 "\n" <br> |
| // [3] C DOM:0-1 TC:3-3 |
| // [4] I DOM:1-3 TC:3-5 "cd" |
| EXPECT_EQ("BC-", GetSnapCode(text_ab, "|ab <br>")); |
| EXPECT_EQ("BCA", GetSnapCode(text_ab, "a|b <br>")); |
| EXPECT_EQ(ValueWithLegacy("-CA", "BCA", "before after first trailing space"), |
| GetSnapCode(text_ab, "ab| <br>")); |
| EXPECT_EQ(ValueWithLegacy("---", "-CA", "after first trailing space"), |
| GetSnapCode(text_ab, "ab |<br>")); |
| EXPECT_EQ("BC-", GetSnapCode(layout_br, 0)); |
| EXPECT_EQ("--A", GetSnapCode(layout_br, 1)); |
| EXPECT_EQ("---", GetSnapCode(text_cd, "| cd")); |
| EXPECT_EQ("BC-", GetSnapCode(text_cd, " |cd")); |
| EXPECT_EQ("BCA", GetSnapCode(text_cd, " c|d")); |
| EXPECT_EQ("-CA", GetSnapCode(text_cd, " cd|")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, ContainsCaretOffsetWithTrailingSpace2) { |
| SetBodyInnerHTML("<div id=target>ab <br> cd</div>"); |
| const auto& text_ab = *GetLayoutTextById("target"); |
| const auto& layout_br = *To<LayoutText>(text_ab.NextSibling()); |
| const auto& text_cd = *To<LayoutText>(layout_br.NextSibling()); |
| |
| // text_content = "ab\ncd" |
| // offset mapping unit: |
| // [0] I DOM:0-2 TC:0-2 "ab" |
| // [1] C DOM:2-4 TC:2-2 |
| // [2] I DOM:0-1 TC:2-3 "\n" <br> |
| // [3] C DOM:0-2 TC:3-3 |
| // [4] I DOM:2-4 TC:3-5 "cd" |
| EXPECT_EQ("BC-", GetSnapCode(text_ab, "|ab <br>")); |
| EXPECT_EQ("BCA", GetSnapCode(text_ab, "a|b <br>")); |
| EXPECT_EQ(ValueWithLegacy("-CA", "BCA", "after first trailing space"), |
| GetSnapCode(text_ab, "ab| <br>")); |
| EXPECT_EQ(ValueWithLegacy("---", "-CA", "after first trailing space"), |
| GetSnapCode(text_ab, "ab | <br>")); |
| EXPECT_EQ("---", GetSnapCode(text_ab, "ab |<br>")); |
| EXPECT_EQ(ValueWithLegacy("BC-", "---", "before <br>"), |
| GetSnapCode(layout_br, 0)); |
| EXPECT_EQ(ValueWithLegacy("--A", "---", "after <br>"), |
| GetSnapCode(layout_br, 1)); |
| EXPECT_EQ("---", GetSnapCode(text_cd, "| cd")); |
| EXPECT_EQ("---", GetSnapCode(text_cd, " | cd")); |
| EXPECT_EQ("BC-", GetSnapCode(text_cd, " |cd")); |
| EXPECT_EQ("BCA", GetSnapCode(text_cd, " c|d")); |
| EXPECT_EQ("-CA", GetSnapCode(text_cd, " cd|")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, ContainsCaretOffsetWithTrailingSpace3) { |
| SetBodyInnerHTML("<div id=target>a<br> <br>b<br></div>"); |
| const auto& text_a = *GetLayoutTextById("target"); |
| const auto& layout_br1 = *To<LayoutText>(text_a.NextSibling()); |
| const auto& text_space = *To<LayoutText>(layout_br1.NextSibling()); |
| EXPECT_EQ(1u, text_space.TextLength()); |
| const auto& layout_br2 = *To<LayoutText>(text_space.NextSibling()); |
| const auto& text_b = *To<LayoutText>(layout_br2.NextSibling()); |
| // Note: the last <br> doesn't have layout object. |
| |
| // text_content = "a\n \nb" |
| // offset mapping unit: |
| // [0] I DOM:0-1 TC:0-1 "a" |
| EXPECT_EQ("BC-", GetSnapCode(text_a, "|a<br>")); |
| EXPECT_EQ("-CA", GetSnapCode(text_a, "a|<br>")); |
| EXPECT_EQ("-CA", GetSnapCode(text_a, "a|<br>")); |
| EXPECT_EQ("BC-", GetSnapCode(layout_br1, 0)); |
| EXPECT_EQ("--A", GetSnapCode(layout_br1, 1)); |
| EXPECT_EQ("BC-", GetSnapCode(text_space, 0)); |
| EXPECT_EQ("--A", GetSnapCode(text_space, 1)); |
| EXPECT_EQ("BC-", GetSnapCode(layout_br2, 0)); |
| EXPECT_EQ("-CA", GetSnapCode(layout_br2, 1)); |
| EXPECT_EQ("BC-", GetSnapCode(text_b, "|b<br>")); |
| EXPECT_EQ("--A", GetSnapCode(text_b, "b|<br>")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, GetTextBoxInfoWithCollapsedWhiteSpace) { |
| LoadAhem(); |
| SetBodyInnerHTML(R"HTML( |
| <style>pre { font: 10px/1 Ahem; white-space: pre-line; }</style> |
| <pre id=target> abc def |
| xyz </pre>)HTML"); |
| const LayoutText& layout_text = *GetLayoutTextById("target"); |
| |
| const auto& results = layout_text.GetTextBoxInfo(); |
| |
| ASSERT_EQ(4u, results.size()); |
| |
| EXPECT_EQ(1u, results[0].dom_start_offset); |
| EXPECT_EQ(4u, results[0].dom_length); |
| EXPECT_EQ(LayoutRect(0, 0, 40, 10), results[0].local_rect); |
| |
| EXPECT_EQ(6u, results[1].dom_start_offset); |
| EXPECT_EQ(3u, results[1].dom_length); |
| EXPECT_EQ(LayoutRect(40, 0, 30, 10), results[1].local_rect); |
| |
| EXPECT_EQ(9u, results[2].dom_start_offset); |
| EXPECT_EQ(1u, results[2].dom_length); |
| EXPECT_EQ(LayoutRect(70, 0, 0, 10), results[2].local_rect); |
| |
| EXPECT_EQ(14u, results[3].dom_start_offset); |
| EXPECT_EQ(3u, results[3].dom_length); |
| EXPECT_EQ(LayoutRect(0, 10, 30, 10), results[3].local_rect); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, GetTextBoxInfoWithGeneratedContent) { |
| LoadAhem(); |
| SetBodyInnerHTML(R"HTML( |
| <style> |
| div::before { content: ' a bc'; } |
| div::first-letter { font-weight: bold; } |
| div { font: 10px/1 Ahem; } |
| </style> |
| <div id="target">XYZ</div>)HTML"); |
| const Element& target = *GetElementById("target"); |
| const Element& before = |
| *GetElementById("target")->GetPseudoElement(kPseudoIdBefore); |
| const auto& layout_text_xyz = |
| *To<LayoutText>(target.firstChild()->GetLayoutObject()); |
| const auto& layout_text_remaining = |
| To<LayoutText>(*before.GetLayoutObject()->SlowLastChild()); |
| const LayoutText& layout_text_first_letter = |
| *layout_text_remaining.GetFirstLetterPart(); |
| |
| auto boxes_xyz = layout_text_xyz.GetTextBoxInfo(); |
| EXPECT_EQ(1u, boxes_xyz.size()); |
| EXPECT_EQ(0u, boxes_xyz[0].dom_start_offset); |
| EXPECT_EQ(3u, boxes_xyz[0].dom_length); |
| EXPECT_EQ(LayoutRect(40, 0, 30, 10), boxes_xyz[0].local_rect); |
| |
| auto boxes_first_letter = layout_text_first_letter.GetTextBoxInfo(); |
| EXPECT_EQ(1u, boxes_first_letter.size()); |
| EXPECT_EQ(2u, boxes_first_letter[0].dom_start_offset); |
| EXPECT_EQ(1u, boxes_first_letter[0].dom_length); |
| EXPECT_EQ(LayoutRect(0, 0, 10, 10), boxes_first_letter[0].local_rect); |
| |
| auto boxes_remaining = layout_text_remaining.GetTextBoxInfo(); |
| EXPECT_EQ(2u, boxes_remaining.size()); |
| EXPECT_EQ(0u, boxes_remaining[0].dom_start_offset); |
| EXPECT_EQ(1u, boxes_remaining[0].dom_length) << "two spaces to one space"; |
| EXPECT_EQ(LayoutRect(10, 0, 10, 10), boxes_remaining[0].local_rect); |
| EXPECT_EQ(3u, boxes_remaining[1].dom_start_offset); |
| EXPECT_EQ(2u, boxes_remaining[1].dom_length); |
| EXPECT_EQ(LayoutRect(20, 0, 20, 10), boxes_remaining[1].local_rect); |
| } |
| |
| // For http://crbug.com/985488 |
| TEST_P(ParameterizedLayoutTextTest, GetTextBoxInfoWithHidden) { |
| LoadAhem(); |
| SetBodyInnerHTML(R"HTML( |
| <style> |
| #target { |
| font: 10px/1 Ahem; |
| overflow-x: hidden; |
| white-space: nowrap; |
| width: 9ch; |
| } |
| </style> |
| <div id="target"> abcde fghij </div> |
| )HTML"); |
| const Element& target = *GetElementById("target"); |
| const LayoutText& layout_text = |
| *To<Text>(target.firstChild())->GetLayoutObject(); |
| |
| auto boxes = layout_text.GetTextBoxInfo(); |
| EXPECT_EQ(2u, boxes.size()); |
| |
| EXPECT_EQ(2u, boxes[0].dom_start_offset); |
| EXPECT_EQ(6u, boxes[0].dom_length); |
| EXPECT_EQ(LayoutRect(0, 0, 60, 10), boxes[0].local_rect); |
| |
| EXPECT_EQ(9u, boxes[1].dom_start_offset); |
| EXPECT_EQ(5u, boxes[1].dom_length); |
| EXPECT_EQ(LayoutRect(60, 0, 50, 10), boxes[1].local_rect); |
| } |
| |
| // For http://crbug.com/985488 |
| TEST_P(ParameterizedLayoutTextTest, GetTextBoxInfoWithEllipsis) { |
| LoadAhem(); |
| SetBodyInnerHTML(R"HTML( |
| <style> |
| #target { |
| font: 10px/1 Ahem; |
| overflow-x: hidden; |
| text-overflow: ellipsis; |
| white-space: nowrap; |
| width: 9ch; |
| } |
| </style> |
| <div id="target"> abcde fghij </div> |
| )HTML"); |
| const Element& target = *GetElementById("target"); |
| const LayoutText& layout_text = |
| *To<Text>(target.firstChild())->GetLayoutObject(); |
| |
| auto boxes = layout_text.GetTextBoxInfo(); |
| EXPECT_EQ(2u, boxes.size()); |
| |
| EXPECT_EQ(2u, boxes[0].dom_start_offset); |
| EXPECT_EQ(6u, boxes[0].dom_length); |
| EXPECT_EQ(LayoutRect(0, 0, 60, 10), boxes[0].local_rect); |
| |
| EXPECT_EQ(9u, boxes[1].dom_start_offset); |
| EXPECT_EQ(5u, boxes[1].dom_length); |
| EXPECT_EQ(LayoutRect(60, 0, 50, 10), boxes[1].local_rect); |
| } |
| |
| // For http://crbug.com/1003413 |
| TEST_P(ParameterizedLayoutTextTest, GetTextBoxInfoWithEllipsisForPseudoAfter) { |
| LoadAhem(); |
| SetBodyInnerHTML(R"HTML( |
| <style> |
| #sample { |
| box-sizing: border-box; |
| font: 10px/1 Ahem; |
| overflow: hidden; |
| text-overflow: ellipsis; |
| white-space: nowrap; |
| width: 5ch; |
| } |
| b::after { content: ","; } |
| </style> |
| <div id=sample><b id=target>abc</b><b>xyz</b></div> |
| )HTML"); |
| const Element& target = *GetElementById("target"); |
| const Element& after = *target.GetPseudoElement(kPseudoIdAfter); |
| // Set |layout_text| to "," in <pseudo::after>,</pseudo::after> |
| const auto& layout_text = |
| *To<LayoutText>(after.GetLayoutObject()->SlowFirstChild()); |
| |
| auto boxes = layout_text.GetTextBoxInfo(); |
| EXPECT_EQ(1u, boxes.size()); |
| |
| EXPECT_EQ(0u, boxes[0].dom_start_offset); |
| EXPECT_EQ(1u, boxes[0].dom_length); |
| EXPECT_EQ(LayoutRect(30, 0, 10, 10), boxes[0].local_rect); |
| } |
| |
| // Test the specialized code path in |PlainText| for when |!GetNode()|. |
| TEST_P(ParameterizedLayoutTextTest, PlainTextInPseudo) { |
| SetBodyInnerHTML(String(R"HTML( |
| <style> |
| :root { |
| font-family: monospace; |
| font-size: 10px; |
| } |
| #before_parent::before { |
| display: inline-block; |
| width: 5ch; |
| content: "123 456"; |
| } |
| #before_parent_cjk::before { |
| display: inline-block; |
| width: 5ch; |
| content: "123)HTML") + |
| String(u"\u4E00") + R"HTML(456"; |
| } |
| </style> |
| <div id="before_parent"></div> |
| <div id="before_parent_cjk"></div> |
| )HTML"); |
| |
| const auto GetPlainText = [](const LayoutObject* parent) { |
| const LayoutObject* before = parent->SlowFirstChild(); |
| EXPECT_TRUE(before->IsBeforeContent()); |
| const auto* before_text = To<LayoutText>(before->SlowFirstChild()); |
| EXPECT_FALSE(before_text->GetNode()); |
| return before_text->PlainText(); |
| }; |
| |
| const LayoutObject* before_parent = |
| GetLayoutObjectByElementId("before_parent"); |
| EXPECT_EQ("123 456", GetPlainText(before_parent)); |
| const LayoutObject* before_parent_cjk = |
| GetLayoutObjectByElementId("before_parent_cjk"); |
| EXPECT_EQ(String(u"123\u4E00456"), GetPlainText(before_parent_cjk)); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, |
| IsBeforeAfterNonCollapsedCharacterNoLineWrap) { |
| // Basic tests |
| SetBasicBody("foo"); |
| EXPECT_EQ("BC-", GetSnapCode("|foo")); |
| EXPECT_EQ("BCA", GetSnapCode("f|oo")); |
| EXPECT_EQ("BCA", GetSnapCode("fo|o")); |
| EXPECT_EQ("-CA", GetSnapCode("foo|")); |
| |
| // Consecutive spaces are collapsed into one |
| SetBasicBody("f bar"); |
| EXPECT_EQ("BC-", GetSnapCode("|f bar")); |
| EXPECT_EQ("BCA", GetSnapCode("f| bar")); |
| EXPECT_EQ("-CA", GetSnapCode("f | bar")); |
| EXPECT_EQ("---", GetSnapCode("f | bar")); |
| EXPECT_EQ("BC-", GetSnapCode("f |bar")); |
| EXPECT_EQ("BCA", GetSnapCode("f b|ar")); |
| EXPECT_EQ("BCA", GetSnapCode("f ba|r")); |
| EXPECT_EQ("-CA", GetSnapCode("f bar|")); |
| |
| // Leading spaces in a block are collapsed |
| SetBasicBody(" foo"); |
| EXPECT_EQ("---", GetSnapCode("| foo")); |
| EXPECT_EQ("---", GetSnapCode(" | foo")); |
| EXPECT_EQ("BC-", GetSnapCode(" |foo")); |
| EXPECT_EQ("BCA", GetSnapCode(" f|oo")); |
| EXPECT_EQ("BCA", GetSnapCode(" fo|o")); |
| EXPECT_EQ("-CA", GetSnapCode(" foo|")); |
| |
| // Trailing spaces in a block are collapsed |
| SetBasicBody("foo "); |
| EXPECT_EQ("BC-", GetSnapCode("|foo ")); |
| EXPECT_EQ("BCA", GetSnapCode("f|oo ")); |
| EXPECT_EQ("BCA", GetSnapCode("fo|o ")); |
| EXPECT_EQ("-CA", GetSnapCode("foo| ")); |
| EXPECT_EQ("---", GetSnapCode("foo | ")); |
| EXPECT_EQ("---", GetSnapCode("foo |")); |
| |
| // Non-collapsed space at node end |
| SetBasicBody("foo <span>bar</span>"); |
| EXPECT_EQ("BC-", GetSnapCode("|foo ")); |
| EXPECT_EQ("BCA", GetSnapCode("f|oo ")); |
| EXPECT_EQ("BCA", GetSnapCode("fo|o ")); |
| EXPECT_EQ("BCA", GetSnapCode("foo| ")); |
| EXPECT_EQ("-CA", GetSnapCode("foo |")); |
| |
| // Non-collapsed space at node start |
| SetBasicBody("foo<span id=bar> bar</span>"); |
| EXPECT_EQ("BC-", GetSnapCode("bar", "| bar")); |
| EXPECT_EQ("BCA", GetSnapCode("bar", " |bar")); |
| EXPECT_EQ("BCA", GetSnapCode("bar", " b|ar")); |
| EXPECT_EQ("BCA", GetSnapCode("bar", " ba|r")); |
| EXPECT_EQ("-CA", GetSnapCode("bar", " bar|")); |
| |
| // Consecutive spaces across nodes |
| SetBasicBody("foo <span id=bar> bar</span>"); |
| // text_content = "foo bar" |
| // [0] I DOM:0-4 TC:0-4 "foo " |
| // [1] C DOM:0-1 TC:4-4 " bar" |
| // [2] I DOM:1-4 TC:4-7 " bar" |
| EXPECT_EQ("BC-", GetSnapCode("|foo ")); |
| EXPECT_EQ("BCA", GetSnapCode("f|oo ")); |
| EXPECT_EQ("BCA", GetSnapCode("fo|o ")); |
| EXPECT_EQ("BCA", GetSnapCode("foo| ")); |
| EXPECT_EQ("-CA", GetSnapCode("foo |")); |
| EXPECT_EQ("---", GetSnapCode("bar", "| bar")); |
| EXPECT_EQ("BC-", GetSnapCode("bar", " |bar")); |
| EXPECT_EQ("BCA", GetSnapCode("bar", " b|ar")); |
| EXPECT_EQ("BCA", GetSnapCode("bar", " ba|r")); |
| EXPECT_EQ("-CA", GetSnapCode("bar", " bar|")); |
| |
| // Non-collapsed whitespace text node |
| SetBasicBody("foo<span id=space> </span>bar"); |
| EXPECT_EQ("BC-", GetSnapCode("space", "| ")); |
| EXPECT_EQ("-CA", GetSnapCode("space", " |")); |
| |
| // Collapsed whitespace text node |
| SetBasicBody("foo <span id=space> </span>bar"); |
| EXPECT_EQ("---", GetSnapCode("space", "| ")); |
| EXPECT_EQ("---", GetSnapCode("space", " |")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, IsBeforeAfterNonCollapsedLineWrapSpace) { |
| LoadAhem(); |
| |
| // Note: Because we can place a caret before soft line wrap, "ab| cd", |
| // |GetSnapCode()| should return "BC-" for both NG and legacy. |
| |
| // Line wrapping inside node |
| SetAhemBody("ab cd", 2); |
| // text_content = "ab cd" |
| // [0] I DOM:0-3 TC:0-3 "ab " |
| // [1] C DOM:3-4 TC:3-3 " " |
| // [2] I DOM:4-6 TC:3-5 "cd" |
| EXPECT_EQ("BC-", GetSnapCode("|ab cd")); |
| EXPECT_EQ("BCA", GetSnapCode("a|b cd")); |
| EXPECT_EQ("BCA", GetSnapCode("ab| cd")); |
| EXPECT_EQ(ValueWithLegacy("-CA", "--A", "after soft line wrap"), |
| GetSnapCode("ab | cd")); |
| EXPECT_EQ("BC-", GetSnapCode("ab |cd")); |
| EXPECT_EQ("BCA", GetSnapCode("ab c|d")); |
| EXPECT_EQ("-CA", GetSnapCode("ab cd|")); |
| |
| // Line wrapping at node start |
| // text_content = "xx" |
| // [0] I DOM:0-2 TC:0-2 "xx" |
| // [1] I DOM:0-1 TC:2-3 " " |
| // [2] C DOM:1-2 TC:3-3 " " |
| // [3] I DOM:2-3 TC:3-5 "xx" |
| SetAhemBody("ab<span id=span> cd</span>", 2); |
| EXPECT_EQ(ValueWithLegacy("BC-", "---", "before soft line wrap"), |
| GetSnapCode("span", "| cd")); |
| EXPECT_EQ(ValueWithLegacy("-CA", "---", "after soft line wrap"), |
| GetSnapCode("span", " | cd")); |
| EXPECT_EQ("BC-", GetSnapCode("span", " |cd")); |
| EXPECT_EQ("BCA", GetSnapCode("span", " c|d")); |
| EXPECT_EQ("-CA", GetSnapCode("span", " cd|")); |
| |
| // Line wrapping at node end |
| SetAhemBody("ab <span>cd</span>", 2); |
| // text_content = "ab cd" |
| // [0] I DOM:0-3 TC:0-3 "ab " |
| // [1] C DOM:3-4 TC:3-3 " " |
| // [2] I DOM:0-2 TC:3-5 "cd" |
| EXPECT_EQ("BC-", GetSnapCode("|ab ")); |
| EXPECT_EQ("BCA", GetSnapCode("a|b ")); |
| EXPECT_EQ(ValueWithLegacy("BCA", "-CA", "before soft line wrap"), |
| GetSnapCode("ab| ")); |
| EXPECT_EQ(ValueWithLegacy("-CA", "---", "after soft line wrap"), |
| GetSnapCode("ab | ")); |
| EXPECT_EQ("---", GetSnapCode("ab |")); |
| |
| // Entire node as line wrapping |
| SetAhemBody("ab<span id=space> </span>cd", 2); |
| // text_content = "ab cd" |
| // [0] I DOM:0-2 TC:0-2 "ab" |
| // [1] I DOM:0-1 TC:2-3 " " |
| // [2] C DOM:1-2 TC:3-3 " " |
| // [3] I DOM:0-2 TC:3-5 "cd" |
| EXPECT_EQ(ValueWithLegacy("BC-", "---", "before soft line wrap"), |
| GetSnapCode("space", "| ")); |
| EXPECT_EQ(ValueWithLegacy("-CA", "---", "after soft line wrap"), |
| GetSnapCode("space", " | ")); |
| EXPECT_EQ("---", GetSnapCode("space", " |")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, IsBeforeAfterNonCollapsedCharacterBR) { |
| SetBasicBody("<br>"); |
| EXPECT_EQ("BC-", GetSnapCode(*GetBasicText(), 0)); |
| EXPECT_EQ("--A", GetSnapCode(*GetBasicText(), 1)); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, AbsoluteQuads) { |
| LoadAhem(); |
| SetBodyInnerHTML(R"HTML( |
| <style> |
| body { margin: 0 } |
| div { |
| font: 10px/1 Ahem; |
| width: 5em; |
| } |
| </style> |
| <div>012<span id=target>345 67</span></div> |
| )HTML"); |
| LayoutText* layout_text = GetLayoutTextById("target"); |
| Vector<FloatQuad> quads; |
| layout_text->AbsoluteQuads(quads); |
| EXPECT_THAT(quads, testing::ElementsAre(FloatRect(30, 0, 30, 10), |
| FloatRect(0, 10, 20, 10))); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, AbsoluteQuadsVRL) { |
| LoadAhem(); |
| SetBodyInnerHTML(R"HTML( |
| <style> |
| body { margin: 0 } |
| div { |
| font: 10px/1 Ahem; |
| width: 10em; |
| height: 5em; |
| writing-mode: vertical-rl; |
| } |
| </style> |
| <div>012<span id=target>345 67</span></div> |
| )HTML"); |
| LayoutText* layout_text = GetLayoutTextById("target"); |
| Vector<FloatQuad> quads; |
| layout_text->AbsoluteQuads(quads); |
| EXPECT_THAT(quads, testing::ElementsAre(FloatRect(90, 30, 10, 30), |
| FloatRect(80, 0, 10, 20))); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, PhysicalLinesBoundingBox) { |
| LoadAhem(); |
| SetBasicBody( |
| "<style>" |
| "div {" |
| " font-family:Ahem;" |
| " font-size: 13px;" |
| " line-height: 19px;" |
| " padding: 3px;" |
| "}" |
| "</style>" |
| "<div id=div>" |
| " 012" |
| " <span id=one>345</span>" |
| " <br>" |
| " <span style='padding: 20px'>" |
| " <span id=two style='padding: 5px'>678</span>" |
| " </span>" |
| "</div>"); |
| // Layout NG Physical Fragment Tree |
| // Box offset:3,3 size:778x44 |
| // LineBox offset:3,3 size:91x19 |
| // Text offset:0,3 size:52x13 start: 0 end: 4 |
| // Box offset:52,3 size:39x13 |
| // Text offset:0,0 size:39x13 start: 4 end: 7 |
| // Text offset:91,3 size:0x13 start: 7 end: 8 |
| // LineBox offset:3,22 size:89x19 |
| // Box offset:0,-17 size:89x53 |
| // Box offset:20,15 size:49x23 |
| // Text offset:5,5 size:39x13 start: 8 end: 11 |
| const Element& div = *GetDocument().getElementById("div"); |
| const Element& one = *GetDocument().getElementById("one"); |
| const Element& two = *GetDocument().getElementById("two"); |
| EXPECT_EQ(PhysicalRect(3, 6, 52, 13), |
| To<LayoutText>(div.firstChild()->GetLayoutObject()) |
| ->PhysicalLinesBoundingBox()); |
| EXPECT_EQ(PhysicalRect(55, 6, 39, 13), |
| To<LayoutText>(one.firstChild()->GetLayoutObject()) |
| ->PhysicalLinesBoundingBox()); |
| EXPECT_EQ(PhysicalRect(28, 25, 39, 13), |
| To<LayoutText>(two.firstChild()->GetLayoutObject()) |
| ->PhysicalLinesBoundingBox()); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, PhysicalLinesBoundingBoxVerticalRL) { |
| LoadAhem(); |
| SetBasicBody(R"HTML( |
| <style> |
| div { |
| font-family:Ahem; |
| font-size: 13px; |
| line-height: 19px; |
| padding: 3px; |
| writing-mode: vertical-rl; |
| } |
| </style> |
| <div id=div> |
| 012 |
| <span id=one>345</span> |
| <br> |
| <span style='padding: 20px'> |
| <span id=two style='padding: 5px'>678</span> |
| </span> |
| </div> |
| )HTML"); |
| // Similar to the previous test, with logical coordinates converted to |
| // physical coordinates. |
| const Element& div = *GetDocument().getElementById("div"); |
| const Element& one = *GetDocument().getElementById("one"); |
| const Element& two = *GetDocument().getElementById("two"); |
| EXPECT_EQ(PhysicalRect(25, 3, 13, 52), |
| To<LayoutText>(div.firstChild()->GetLayoutObject()) |
| ->PhysicalLinesBoundingBox()); |
| EXPECT_EQ(PhysicalRect(25, 55, 13, 39), |
| To<LayoutText>(one.firstChild()->GetLayoutObject()) |
| ->PhysicalLinesBoundingBox()); |
| EXPECT_EQ(PhysicalRect(6, 28, 13, 39), |
| To<LayoutText>(two.firstChild()->GetLayoutObject()) |
| ->PhysicalLinesBoundingBox()); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, WordBreakElement) { |
| SetBasicBody("foo <wbr> bar"); |
| |
| const Element* wbr = GetDocument().QuerySelector("wbr"); |
| DCHECK(wbr->GetLayoutObject()->IsText()); |
| const auto* layout_wbr = To<LayoutText>(wbr->GetLayoutObject()); |
| |
| EXPECT_EQ(0u, layout_wbr->ResolvedTextLength()); |
| EXPECT_EQ(0, layout_wbr->CaretMinOffset()); |
| EXPECT_EQ(0, layout_wbr->CaretMaxOffset()); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, LocalSelectionRect) { |
| LoadAhem(); |
| // TODO(yoichio): Fix LayoutNG incompatibility. |
| EXPECT_EQ(PhysicalRect(10, 0, 50, 10), GetSelectionRectFor("f^oo ba|r")); |
| EXPECT_EQ(PhysicalRect(0, 0, 40, 20), |
| GetSelectionRectFor("<div style='width: 2em'>f^oo ba|r</div>")); |
| EXPECT_EQ(PhysicalRect(30, 0, 10, 10), |
| GetSelectionRectFor("foo^<br id='target'>|bar")); |
| EXPECT_EQ(PhysicalRect(10, 0, 20, 10), GetSelectionRectFor("f^oo<br>b|ar")); |
| EXPECT_EQ(PhysicalRect(10, 0, 30, 10), |
| GetSelectionRectFor("<div>f^oo</div><div>b|ar</div>")); |
| EXPECT_EQ(PhysicalRect(30, 0, 10, 10), GetSelectionRectFor("foo^ |bar")); |
| EXPECT_EQ(PhysicalRect(0, 0, 0, 0), GetSelectionRectFor("^ |foo")); |
| EXPECT_EQ(PhysicalRect(0, 0, 0, 0), |
| GetSelectionRectFor("fo^o<wbr id='target'>ba|r")); |
| EXPECT_EQ( |
| PhysicalRect(0, 0, 10, 10), |
| GetSelectionRectFor("<style>:first-letter { float: right}</style>^fo|o")); |
| // Since we don't paint trimed white spaces on LayoutNG, we don't need fix |
| // this case. |
| EXPECT_EQ(LayoutNGEnabled() ? PhysicalRect(0, 0, 0, 0) |
| : PhysicalRect(30, 0, 10, 10), |
| GetSelectionRectFor("foo^ |")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, LocalSelectionRectLineBreak) { |
| LoadAhem(); |
| EXPECT_EQ(PhysicalRect(30, 0, 10, 10), |
| GetSelectionRectFor("f^oo<br id='target'><br>ba|r")); |
| EXPECT_EQ(PhysicalRect(0, 10, 10, 10), |
| GetSelectionRectFor("f^oo<br><br id='target'>ba|r")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, LocalSelectionRectLineBreakPre) { |
| LoadAhem(); |
| EXPECT_EQ( |
| PhysicalRect(30, 0, 10, 10), |
| GetSelectionRectFor("<div style='white-space:pre;'>foo^\n|\nbar</div>")); |
| EXPECT_EQ( |
| PhysicalRect(0, 10, 10, 10), |
| GetSelectionRectFor("<div style='white-space:pre;'>foo\n^\n|bar</div>")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, LocalSelectionRectRTL) { |
| LoadAhem(); |
| // TODO(yoichio) : Fix LastLogicalLeafIgnoringLineBreak so that 'foo' is the |
| // last fragment. |
| EXPECT_EQ(LayoutNGEnabled() ? PhysicalRect(-10, 0, 30, 20) |
| : PhysicalRect(-10, 0, 40, 20), |
| GetSelectionRectFor("<div style='width: 2em' dir=rtl>" |
| "f^oo ba|r baz</div>")); |
| EXPECT_EQ(PhysicalRect(0, 0, 40, 20), |
| GetSelectionRectFor("<div style='width: 2em' dir=ltr>" |
| "f^oo ba|r baz</div>")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, LocalSelectionRectVertical) { |
| LoadAhem(); |
| EXPECT_EQ( |
| PhysicalRect(0, 0, 20, 40), |
| GetSelectionRectFor("<div style='writing-mode: vertical-lr; height: 2em'>" |
| "f^oo ba|r baz</div>")); |
| EXPECT_EQ( |
| PhysicalRect(10, 0, 20, 40), |
| GetSelectionRectFor("<div style='writing-mode: vertical-rl; height: 2em'>" |
| "f^oo ba|r baz</div>")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, LocalSelectionRectVerticalRTL) { |
| LoadAhem(); |
| // TODO(yoichio): Investigate diff (maybe soft line break treatment). |
| EXPECT_EQ(LayoutNGEnabled() ? PhysicalRect(0, -10, 20, 30) |
| : PhysicalRect(0, -10, 20, 40), |
| GetSelectionRectFor( |
| "<div style='writing-mode: vertical-lr; height: 2em' dir=rtl>" |
| "f^oo ba|r baz</div>")); |
| EXPECT_EQ(LayoutNGEnabled() ? PhysicalRect(10, -10, 20, 30) |
| : PhysicalRect(10, -10, 20, 40), |
| GetSelectionRectFor( |
| "<div style='writing-mode: vertical-rl; height: 2em' dir=rtl>" |
| "f^oo ba|r baz</div>")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, LocalSelectionRectLineHeight) { |
| LoadAhem(); |
| EXPECT_EQ(LayoutNGEnabled() ? PhysicalRect(10, 0, 10, 50) |
| : PhysicalRect(10, 20, 10, 10), |
| GetSelectionRectFor("<div style='line-height: 50px; width:1em;'>" |
| "f^o|o bar baz</div>")); |
| EXPECT_EQ(LayoutNGEnabled() ? PhysicalRect(10, 50, 10, 50) |
| : PhysicalRect(10, 30, 10, 50), |
| GetSelectionRectFor("<div style='line-height: 50px; width:1em;'>" |
| "foo b^a|r baz</div>")); |
| EXPECT_EQ(LayoutNGEnabled() ? PhysicalRect(10, 100, 10, 50) |
| : PhysicalRect(10, 80, 10, 50), |
| GetSelectionRectFor("<div style='line-height: 50px; width:1em;'>" |
| "foo bar b^a|</div>")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, LocalSelectionRectNegativeLeading) { |
| LoadAhem(); |
| SetSelectionAndUpdateLayoutSelection(R"HTML( |
| <div id="container" style="font: 10px/10px Ahem"> |
| ^ |
| <span id="span" style="display: inline-block; line-height: 1px"> |
| Text |
| </span> |
| | |
| </div> |
| )HTML"); |
| LayoutObject* span = GetLayoutObjectByElementId("span"); |
| LayoutObject* text = span->SlowFirstChild(); |
| EXPECT_EQ(PhysicalRect(0, -5, LayoutNGEnabled() ? 40 : 50, 10), |
| text->LocalSelectionVisualRect()); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, LocalSelectionRectLineHeightVertical) { |
| LoadAhem(); |
| EXPECT_EQ(LayoutNGEnabled() ? PhysicalRect(0, 10, 50, 10) |
| : PhysicalRect(20, 10, 50, 10), |
| GetSelectionRectFor("<div style='line-height: 50px; height:1em; " |
| "writing-mode:vertical-lr'>" |
| "f^o|o bar baz</div>")); |
| EXPECT_EQ(LayoutNGEnabled() ? PhysicalRect(50, 10, 50, 10) |
| : PhysicalRect(70, 10, 50, 10), |
| GetSelectionRectFor("<div style='line-height: 50px; height:1em; " |
| "writing-mode:vertical-lr'>" |
| "foo b^a|r baz</div>")); |
| EXPECT_EQ(LayoutNGEnabled() ? PhysicalRect(100, 10, 50, 10) |
| : PhysicalRect(120, 10, 10, 10), |
| GetSelectionRectFor("<div style='line-height: 50px; height:1em; " |
| "writing-mode:vertical-lr'>" |
| "foo bar b^a|z</div>")); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, VisualRectInDocumentSVGTspan) { |
| LoadAhem(); |
| SetBodyInnerHTML(R"HTML( |
| <style> |
| body { |
| margin:0px; |
| font: 20px/20px Ahem; |
| } |
| </style> |
| <svg> |
| <text x="10" y="50" width="100"> |
| <tspan id="target" dx="15" dy="25">tspan</tspan> |
| </text> |
| </svg> |
| )HTML"); |
| |
| auto* target = |
| To<LayoutText>(GetLayoutObjectByElementId("target")->SlowFirstChild()); |
| const int ascent = 16; |
| PhysicalRect expected(10 + 15, 50 + 25 - ascent, 20 * 5, 20); |
| EXPECT_EQ(expected, target->VisualRectInDocument()); |
| EXPECT_EQ(expected, target->VisualRectInDocument(kUseGeometryMapper)); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, VisualRectInDocumentSVGTspanTB) { |
| LoadAhem(); |
| SetBodyInnerHTML(R"HTML( |
| <style> |
| body { |
| margin:0px; |
| font: 20px/20px Ahem; |
| } |
| </style> |
| <svg> |
| <text x="50" y="10" width="100" writing-mode="tb"> |
| <tspan id="target" dx="15" dy="25">tspan</tspan> |
| </text> |
| </svg> |
| )HTML"); |
| |
| auto* target = |
| To<LayoutText>(GetLayoutObjectByElementId("target")->SlowFirstChild()); |
| PhysicalRect expected(50 + 15 - 20 / 2, 10 + 25, 20, 20 * 5); |
| EXPECT_EQ(expected, target->VisualRectInDocument()); |
| EXPECT_EQ(expected, target->VisualRectInDocument(kUseGeometryMapper)); |
| } |
| |
| TEST_P(ParameterizedLayoutTextTest, PositionForPointAtLeading) { |
| LoadAhem(); |
| SetBodyInnerHTML(R"HTML( |
| <style> |
| body { |
| margin: 0; |
| font-size: 10px; |
| line-height: 3; |
| font-family: Ahem; |
| } |
| #container { |
| width: 5ch; |
| } |
| </style> |
| <div id="container">line1 line2</div> |
| )HTML"); |
| LayoutObject* container = GetLayoutObjectByElementId("container"); |
| auto* text = To<LayoutText>(container->SlowFirstChild()); |
| // The 1st line is at {0, 0}x{50,30} and 2nd line is {0,30}x{50,30}, with |
| // 10px half-leading, 10px text, and 10px half-leading. {10, 30} is the |
| // middle of the two lines, at the half-leading. |
| |
| // line 1 |
| // Note: All |PositionForPoint()| should return "line1"[1]. |
| EXPECT_EQ(Position(text->GetNode(), LayoutNGEnabled() ? 1 : 7), |
| text->PositionForPoint({10, 0}).GetPosition()); |
| EXPECT_EQ(Position(text->GetNode(), LayoutNGEnabled() ? 1 : 7), |
| text->PositionForPoint({10, 5}).GetPosition()); |
| EXPECT_EQ(Position(text->GetNode(), 1), |
| text->PositionForPoint({10, 10}).GetPosition()); |
| EXPECT_EQ(Position(text->GetNode(), 1), |
| text->PositionForPoint({10, 15}).GetPosition()); |
| EXPECT_EQ(Position(text->GetNode(), LayoutNGEnabled() ? 1 : 7), |
| text->PositionForPoint({10, 20}).GetPosition()); |
| EXPECT_EQ(Position(text->GetNode(), LayoutNGEnabled() ? 1 : 7), |
| text->PositionForPoint({10, 25}).GetPosition()); |
| // line 2 |
| EXPECT_EQ(Position(text->GetNode(), 7), |
| text->PositionForPoint({10, 30}).GetPosition()); |
| EXPECT_EQ(Position(text->GetNode(), 7), |
| text->PositionForPoint({10, 35}).GetPosition()); |
| EXPECT_EQ(Position(text->GetNode(), 7), |
| text->PositionForPoint({10, 40}).GetPosition()); |
| EXPECT_EQ(Position(text->GetNode(), 7), |
| text->PositionForPoint({10, 45}).GetPosition()); |
| EXPECT_EQ(Position(text->GetNode(), 7), |
| text->PositionForPoint({10, 50}).GetPosition()); |
| EXPECT_EQ(Position(text->GetNode(), 7), |
| text->PositionForPoint({10, 55}).GetPosition()); |
| } |
| |
| } // namespace blink |
