chromium/third_party/blink/renderer/platform/fonts/shaping/shaping_line_breaker_test.cc

// Copyright 2017 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/platform/fonts/shaping/shaping_line_breaker.h"

#include <unicode/uscript.h>
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/platform/fonts/font.h"
#include "third_party/blink/renderer/platform/fonts/font_cache.h"
#include "third_party/blink/renderer/platform/fonts/font_test_utilities.h"
#include "third_party/blink/renderer/platform/fonts/shaping/shape_result_test_info.h"
#include "third_party/blink/renderer/platform/fonts/shaping/shape_result_view.h"
#include "third_party/blink/renderer/platform/testing/font_test_base.h"
#include "third_party/blink/renderer/platform/text/text_break_iterator.h"
#include "third_party/blink/renderer/platform/text/text_run.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"

namespace blink {

namespace {

class HarfBuzzShapingLineBreaker : public ShapingLineBreaker { … };

const ShapeResultView* ShapeLine(ShapingLineBreaker* breaker,
                                 unsigned start_offset,
                                 LayoutUnit available_space,
                                 unsigned* break_offset) { … }

}  // namespace

class ShapingLineBreakerTest : public FontTestBase { … };

TEST_F(ShapingLineBreakerTest, ShapeLineLatin) { … }

TEST_F(ShapingLineBreakerTest, ShapeLineLatinMultiLine) { … }

TEST_F(ShapingLineBreakerTest, ShapeLineLatinBreakAll) { … }

TEST_F(ShapingLineBreakerTest, ShapeLineZeroAvailableWidth) { … }

TEST_F(ShapingLineBreakerTest, ShapeLineRangeEndMidWord) { … }

TEST_F(ShapingLineBreakerTest, ShapeLineWithLucidaFont) { … }

TEST_F(ShapingLineBreakerTest, HanKerningCloseUnsafe) { … }

struct BreakOpportunityTestData { … };

class BreakOpportunityTest
    : public ShapingLineBreakerTest,
      public testing::WithParamInterface<BreakOpportunityTestData> { … };

INSTANTIATE_TEST_SUITE_P(…);

TEST_P(BreakOpportunityTest, Next) { … }

TEST_P(BreakOpportunityTest, Previous) { … }

}  // namespace blink