layout_text_test.cc | Explore in Territory

// Copyright 2016 The Chromium Authors
// 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 <numeric>

#include "base/test/scoped_feature_list.h"
#include "build/build_config.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/position_with_affinity.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/inline/inline_node_data.h"
#include "third_party/blink/renderer/core/testing/core_unit_test_helper.h"
#include "third_party/blink/renderer/platform/testing/font_test_helpers.h"

namespace blink {

ElementsAre;

namespace {

class LayoutTextTest : public RenderingTest { … };

}  // namespace

#if BUILDFLAG(IS_WIN)
TEST_F(LayoutTextTest, PrewarmFamily) {
  test::ScopedTestFontPrewarmer prewarmer;
  SetBodyInnerHTML(R"HTML(
    <style>
    #container { font-family: testfont; }
    </style>
    <div id="container">text</div>
  )HTML");
  EXPECT_THAT(prewarmer.PrewarmedFamilyNames(), ElementsAre("testfont"));
  LayoutObject* container = GetLayoutObjectByElementId("container");
  EXPECT_TRUE(container->StyleRef()
                  .GetFont()
                  .GetFontDescription()
                  .Family()
                  .IsPrewarmed());
}

// Test `@font-face` fonts are NOT prewarmed.
TEST_F(LayoutTextTest, PrewarmFontFace) {
  test::ScopedTestFontPrewarmer prewarmer;
  SetBodyInnerHTML(R"HTML(
    <style>
    @font-face {
      font-family: testfont;
      src: local(Arial);
    }
    #container { font-family: testfont; }
    </style>
    <div id="container">text</div>
  )HTML");
  EXPECT_THAT(prewarmer.PrewarmedFamilyNames(), ElementsAre());
  LayoutObject* container = GetLayoutObjectByElementId("container");
  EXPECT_FALSE(container->StyleRef()
                   .GetFont()
                   .GetFontDescription()
                   .Family()
                   .IsPrewarmed());
}

TEST_F(LayoutTextTest, PrewarmGenericFamily) {
  test::ScopedTestFontPrewarmer prewarmer;
  SetBodyInnerHTML(R"HTML(
    <style>
    #container { font-family: serif; }
    </style>
    <div id="container">text</div>
  )HTML");
  // No prewarms because |GenericFontFamilySettings| is empty.
  EXPECT_THAT(prewarmer.PrewarmedFamilyNames(), ElementsAre());
  LayoutObject* container = GetLayoutObjectByElementId("container");
  EXPECT_TRUE(container->StyleRef()
                  .GetFont()
                  .GetFontDescription()
                  .Family()
                  .IsPrewarmed());
}
#endif

struct OffsetMappingTestData { … } offset_mapping_test_data[] = …;

std::ostream& operator<<(std::ostream& out, OffsetMappingTestData data) { … }

class MapDOMOffsetToTextContentOffset
    : public LayoutTextTest,
      public testing::WithParamInterface<OffsetMappingTestData> { … };

INSTANTIATE_TEST_SUITE_P(…);

TEST_P(MapDOMOffsetToTextContentOffset, Basic) { … }

TEST_F(LayoutTextTest, CharacterAfterWhitespaceCollapsing) { … }

TEST_F(LayoutTextTest, CaretMinMaxOffset) { … }

TEST_F(LayoutTextTest, ResolvedTextLength) { … }

TEST_F(LayoutTextTest, ContainsCaretOffset) { … }

TEST_F(LayoutTextTest, ContainsCaretOffsetInPre) { … }

TEST_F(LayoutTextTest, ContainsCaretOffsetInPreLine) { … }

TEST_F(LayoutTextTest, ContainsCaretOffsetWithTrailingSpace) { … }

TEST_F(LayoutTextTest, ContainsCaretOffsetWithTrailingSpace1) { … }

TEST_F(LayoutTextTest, ContainsCaretOffsetWithTrailingSpace2) { … }

TEST_F(LayoutTextTest, ContainsCaretOffsetWithTrailingSpace3) { … }

TEST_F(LayoutTextTest, GetTextBoxInfoWithCollapsedWhiteSpace) { … }

TEST_F(LayoutTextTest, GetTextBoxInfoWithGeneratedContent) { … }

// For http://crbug.com/985488
TEST_F(LayoutTextTest, GetTextBoxInfoWithHidden) { … }

// For http://crbug.com/985488
TEST_F(LayoutTextTest, GetTextBoxInfoWithEllipsis) { … }

// For http://crbug.com/1003413
TEST_F(LayoutTextTest, GetTextBoxInfoWithEllipsisForPseudoAfter) { … }

// Test the specialized code path in |PlainText| for when |!GetNode()|.
TEST_F(LayoutTextTest, PlainTextInPseudo) { … }

TEST_F(LayoutTextTest, IsBeforeAfterNonCollapsedCharacterNoLineWrap) { … }

TEST_F(LayoutTextTest, IsBeforeAfterNonCollapsedLineWrapSpace) { … }

TEST_F(LayoutTextTest, IsBeforeAfterNonCollapsedCharacterBR) { … }

TEST_F(LayoutTextTest, AbsoluteQuads) { … }

TEST_F(LayoutTextTest, AbsoluteQuadsVRL) { … }

TEST_F(LayoutTextTest, PhysicalLinesBoundingBox) { … }

TEST_F(LayoutTextTest, PhysicalLinesBoundingBoxTextCombine) { … }

TEST_F(LayoutTextTest, PhysicalLinesBoundingBoxVerticalRL) { … }

TEST_F(LayoutTextTest, WordBreakElement) { … }

TEST_F(LayoutTextTest, LocalSelectionRect) { … }

TEST_F(LayoutTextTest, LocalSelectionRectLineBreak) { … }

TEST_F(LayoutTextTest, LocalSelectionRectLineBreakPre) { … }

TEST_F(LayoutTextTest, LocalSelectionRectRTL) { … }

TEST_F(LayoutTextTest, LocalSelectionRectVertical) { … }

TEST_F(LayoutTextTest, LocalSelectionRectVerticalRTL) { … }

TEST_F(LayoutTextTest, LocalSelectionRectLineHeight) { … }

TEST_F(LayoutTextTest, LocalSelectionRectNegativeLeading) { … }

TEST_F(LayoutTextTest, LocalSelectionRectLineHeightVertical) { … }

TEST_F(LayoutTextTest, VisualRectInDocumentSVGTspan) { … }

TEST_F(LayoutTextTest, VisualRectInDocumentSVGTspanTB) { … }

TEST_F(LayoutTextTest, PositionForPointAtLeading) { … }

// https://crbug.com/2654312
TEST_F(LayoutTextTest, FloatFirstLetterPlainText) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetAppendBidi) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetAppendControl) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetAppendCollapseWhiteSpace) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetAppend) { … }

// http://crbug.com/1213235
TEST_F(LayoutTextTest, SetTextWithOffsetAppendEmojiWithZWJ) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetDelete) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetDeleteCollapseWhiteSpace) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetDeleteCollapseWhiteSpaceEnd) { … }

// http://crbug.com/1253931
TEST_F(LayoutTextTest, SetTextWithOffsetCopyItemBefore) { … }

// web_tests/external/wpt/editing/run/delete.html?993-993
// web_tests/external/wpt/editing/run/forwarddelete.html?1193-1193
TEST_F(LayoutTextTest, SetTextWithOffsetDeleteNbspInPreWrap) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetDeleteRTL) { … }

// http://crbug.com/1000685
TEST_F(LayoutTextTest, SetTextWithOffsetDeleteRTL2) { … }

// editing/deleting/delete_ws_fixup.html
TEST_F(LayoutTextTest, SetTextWithOffsetDeleteThenNonCollapse) { … }

// editing/deleting/delete_ws_fixup.html
TEST_F(LayoutTextTest, SetTextWithOffsetDeleteThenNonCollapse2) { … }

// http://crbug.com/1039143
TEST_F(LayoutTextTest, SetTextWithOffsetDeleteWithBidiControl) { … }

// http://crbug.com/1125262
TEST_F(LayoutTextTest, SetTextWithOffsetDeleteWithGeneratedBreakOpportunity) { … }

// http://crbug.com/1123251
TEST_F(LayoutTextTest, SetTextWithOffsetEditingTextCollapsedSpace) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetInsert) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetInsertAfterSpace) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetInserBeforetSpace) { … }

// https://crbug.com/1391668
TEST_F(LayoutTextTest, SetTextWithOffsetInsertSameCharacters) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetNoRelocation) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetPrepend) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetReplace) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetReplaceCollapseWhiteSpace) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetReplaceToExtend) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetReplaceToShrink) { … }

TEST_F(LayoutTextTest, SetTextWithOffsetToEmpty) { … }

}  // namespace blink
chromium/third_party/blink/renderer/core/layout/layout_text_test.cc
