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1592 lines
82 KiB
1592 lines
82 KiB
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <memory>
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#include <gtest/gtest.h>
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#include "minikin/Hyphenator.h"
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#include "FileUtils.h"
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#include "FontTestUtils.h"
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#include "GreedyLineBreaker.h"
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#include "HyphenatorMap.h"
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#include "LineBreakerTestHelper.h"
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#include "LocaleListCache.h"
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#include "MinikinInternal.h"
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#include "UnicodeUtils.h"
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#include "WordBreaker.h"
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namespace minikin {
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namespace {
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using line_breaker_test_helper::ConstantRun;
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using line_breaker_test_helper::LineBreakExpectation;
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using line_breaker_test_helper::RectangleLineWidth;
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using line_breaker_test_helper::sameLineBreak;
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using line_breaker_test_helper::toString;
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// The ascent/descent of Ascii.ttf with text size = 10.
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constexpr float ASCENT = -80.0f;
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constexpr float DESCENT = 20.0f;
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// The ascent/descent of CustomExtent.ttf with text size = 10.
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constexpr float CUSTOM_ASCENT = -160.0f;
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constexpr float CUSTOM_DESCENT = 40.0f;
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class GreedyLineBreakerTest : public testing::Test {
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public:
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GreedyLineBreakerTest() {}
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virtual ~GreedyLineBreakerTest() {}
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virtual void SetUp() override {
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mHyphenationPattern = readWholeFile("/system/usr/hyphen-data/hyph-en-us.hyb");
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Hyphenator* hyphenator = Hyphenator::loadBinary(
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mHyphenationPattern.data(), 2 /* min prefix */, 2 /* min suffix */, "en-US");
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HyphenatorMap::add("en-US", hyphenator);
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HyphenatorMap::add("pl", Hyphenator::loadBinary(nullptr, 0, 0, "pl"));
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}
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virtual void TearDown() override { HyphenatorMap::clear(); }
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protected:
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LineBreakResult doLineBreak(const U16StringPiece& textBuffer, bool doHyphenation,
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float lineWidth) {
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return doLineBreak(textBuffer, doHyphenation, "en-US", lineWidth);
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}
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LineBreakResult doLineBreak(const U16StringPiece& textBuffer, bool doHyphenation,
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const std::string& lang, float lineWidth) {
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MeasuredTextBuilder builder;
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auto family1 = buildFontFamily("Ascii.ttf");
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auto family2 = buildFontFamily("CustomExtent.ttf");
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std::vector<std::shared_ptr<FontFamily>> families = {family1, family2};
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auto fc = std::make_shared<FontCollection>(families);
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MinikinPaint paint(fc);
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paint.size = 10.0f; // Make 1em=10px
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paint.localeListId = LocaleListCache::getId(lang);
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builder.addStyleRun(0, textBuffer.size(), std::move(paint), false);
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std::unique_ptr<MeasuredText> measuredText =
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builder.build(textBuffer, false /* compute hyphenation */,
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false /* compute full layout */, nullptr /* no hint */);
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RectangleLineWidth rectangleLineWidth(lineWidth);
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TabStops tabStops(nullptr, 0, 10);
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return breakLineGreedy(textBuffer, *measuredText, rectangleLineWidth, tabStops,
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doHyphenation);
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}
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private:
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std::vector<uint8_t> mHyphenationPattern;
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};
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TEST_F(GreedyLineBreakerTest, roundingError) {
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MeasuredTextBuilder builder;
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auto family1 = buildFontFamily("Ascii.ttf");
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std::vector<std::shared_ptr<FontFamily>> families = {family1};
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auto fc = std::make_shared<FontCollection>(families);
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MinikinPaint paint(fc);
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paint.size = 56.0f; // Make 1em=56px
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paint.scaleX = 1;
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paint.letterSpacing = -0.093f;
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paint.localeListId = LocaleListCache::getId("en-US");
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const std::vector<uint16_t> textBuffer = utf8ToUtf16("8888888888888888888");
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float measured = Layout::measureText(textBuffer, Range(0, textBuffer.size()), Bidi::LTR, paint,
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StartHyphenEdit::NO_EDIT, EndHyphenEdit::NO_EDIT, nullptr);
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builder.addStyleRun(0, textBuffer.size(), std::move(paint), false);
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std::unique_ptr<MeasuredText> measuredText =
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builder.build(textBuffer, false /* compute hyphenation */,
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false /* compute full layout */, nullptr /* no hint */);
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RectangleLineWidth rectangleLineWidth(measured);
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TabStops tabStops(nullptr, 0, 10);
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LineBreakResult r = breakLineGreedy(textBuffer, *measuredText, rectangleLineWidth, tabStops,
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false /* do hyphenation */);
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EXPECT_EQ(1u, r.breakPoints.size());
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}
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TEST_F(GreedyLineBreakerTest, testBreakWithoutHyphenation) {
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constexpr bool NO_HYPHEN = false; // No hyphenation in this test case.
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const std::vector<uint16_t> textBuf = utf8ToUtf16("This is an example text.");
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constexpr StartHyphenEdit NO_START_HYPHEN = StartHyphenEdit::NO_EDIT;
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constexpr EndHyphenEdit NO_END_HYPHEN = EndHyphenEdit::NO_EDIT;
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// Note that disable clang-format everywhere since aligned expectation is more readable.
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{
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constexpr float LINE_WIDTH = 1000;
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std::vector<LineBreakExpectation> expect = {
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{"This is an example text.", 240, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
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};
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const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
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EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
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<< " vs " << std::endl
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<< toString(textBuf, actual);
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}
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{
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constexpr float LINE_WIDTH = 240;
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std::vector<LineBreakExpectation> expect = {
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{"This is an example text.", 240, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
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};
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const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
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EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
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<< " vs " << std::endl
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<< toString(textBuf, actual);
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}
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{
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constexpr float LINE_WIDTH = 230;
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// clang-format off
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std::vector<LineBreakExpectation> expect = {
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{ "This is an example ", 180, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "text." , 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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};
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// clang-format on
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const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
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EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
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<< " vs " << std::endl
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<< toString(textBuf, actual);
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}
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{
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constexpr float LINE_WIDTH = 80;
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// clang-format off
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std::vector<LineBreakExpectation> expect = {
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{ "This is ", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "an " , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "example ", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "text." , 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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};
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// clang-format on
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const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
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EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
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<< " vs " << std::endl
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<< toString(textBuf, actual);
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}
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{
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constexpr float LINE_WIDTH = 70;
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// clang-format off
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std::vector<LineBreakExpectation> expect = {
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{ "This is ", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "an " , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "example ", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "text." , 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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};
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// clang-format on
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const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
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EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
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<< " vs " << std::endl
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<< toString(textBuf, actual);
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}
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{
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constexpr float LINE_WIDTH = 60;
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// clang-format off
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std::vector<LineBreakExpectation> expect = {
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{ "This " , 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "is an ", 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "exampl", 60, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "e " , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "text." , 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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};
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// clang-format on
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const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
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EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
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<< " vs " << std::endl
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<< toString(textBuf, actual);
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}
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{
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constexpr float LINE_WIDTH = 50;
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// clang-format off
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std::vector<LineBreakExpectation> expect = {
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{ "This " , 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "is an ", 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "examp" , 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "le " , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "text." , 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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};
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// clang-format on
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const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
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EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
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<< " vs " << std::endl
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<< toString(textBuf, actual);
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}
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{
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constexpr float LINE_WIDTH = 40;
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// clang-format off
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std::vector<LineBreakExpectation> expect = {
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{ "This " , 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "is " , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "an " , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "exam" , 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "ple " , 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "text" , 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "." , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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};
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// clang-format on
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const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
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EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
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<< " vs " << std::endl
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<< toString(textBuf, actual);
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}
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{
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constexpr float LINE_WIDTH = 30;
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// clang-format off
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std::vector<LineBreakExpectation> expect = {
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{ "Thi" , 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "s " , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "is " , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "an " , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "exa" , 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "mpl" , 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "e " , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "tex" , 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "t." , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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};
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// clang-format on
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const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
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EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
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<< " vs " << std::endl
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<< toString(textBuf, actual);
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}
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{
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constexpr float LINE_WIDTH = 20;
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// clang-format off
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std::vector<LineBreakExpectation> expect = {
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{ "Th" , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "is ", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "is ", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "an ", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "ex" , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "am" , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "pl" , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "e " , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "te" , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "xt" , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "." , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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};
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// clang-format on
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const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
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EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
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<< " vs " << std::endl
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<< toString(textBuf, actual);
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}
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{
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constexpr float LINE_WIDTH = 10;
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// clang-format off
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std::vector<LineBreakExpectation> expect = {
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{ "T" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "h" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "i" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "s ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "i" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "s ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "a" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "n ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "e" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "x" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "a" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "m" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "p" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "l" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "e ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "t" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "e" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "x" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "t" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "." , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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};
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// clang-format on
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const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
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EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
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<< " vs " << std::endl
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<< toString(textBuf, actual);
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}
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}
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TEST_F(GreedyLineBreakerTest, testBreakWithHyphenation) {
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constexpr bool NO_HYPHEN = true; // Do hyphenation in this test case.
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// "hyphenation" is hyphnated to "hy-phen-a-tion".
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const std::vector<uint16_t> textBuf = utf8ToUtf16("Hyphenation is hyphenation.");
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constexpr StartHyphenEdit NO_START_HYPHEN = StartHyphenEdit::NO_EDIT;
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constexpr EndHyphenEdit END_HYPHEN = EndHyphenEdit::INSERT_HYPHEN;
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constexpr EndHyphenEdit NO_END_HYPHEN = EndHyphenEdit::NO_EDIT;
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// Note that disable clang-format everywhere since aligned expectation is more readable.
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{
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constexpr float LINE_WIDTH = 1000;
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std::vector<LineBreakExpectation> expect = {
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{"Hyphenation is hyphenation.", 270, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT,
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DESCENT},
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};
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const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
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EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
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<< " vs " << std::endl
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<< toString(textBuf, actual);
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}
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{
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constexpr float LINE_WIDTH = 270;
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std::vector<LineBreakExpectation> expect = {
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{"Hyphenation is hyphenation.", 270, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT,
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DESCENT},
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};
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const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
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EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
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<< " vs " << std::endl
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<< toString(textBuf, actual);
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}
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{
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constexpr float LINE_WIDTH = 260;
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// clang-format off
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std::vector<LineBreakExpectation> expect = {
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{ "Hyphenation is " , 140, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "hyphenation." , 120, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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};
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// clang-format on
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const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
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EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
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<< " vs " << std::endl
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<< toString(textBuf, actual);
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}
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{
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constexpr float LINE_WIDTH = 170;
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// clang-format off
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std::vector<LineBreakExpectation> expect = {
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{ "Hyphenation is " , 140, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
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{ "hyphenation." , 120, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
};
|
|
// clang-format on
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 120;
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{ "Hyphenation " , 110, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "is " , 20 , NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "hyphenation." , 120, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
};
|
|
// clang-format on
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 100;
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{ "Hyphena-", 80, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "tion is ", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "hyphena-", 80, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "tion." , 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
};
|
|
// clang-format on
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 80;
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{ "Hyphena-", 80, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "tion is ", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "hyphena-", 80, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "tion." , 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
};
|
|
// clang-format on
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 70;
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{ "Hyphen-", 70, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "ation " , 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "is " , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "hyphen-", 70, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "ation." , 60, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
};
|
|
// clang-format on
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 60;
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{ "Hy-" , 30, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "phena-", 60, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "tion " , 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "is " , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "hy-" , 30, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "phena-", 60, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "tion." , 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
};
|
|
// clang-format on
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 50;
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{ "Hy-" , 30, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "phen-" , 50, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "ation ", 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "is " , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "hy-" , 30, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "phen-" , 50, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "a-" , 20, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "tion." , 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
};
|
|
// clang-format on
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 40;
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{ "Hy-" , 30, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "phen" , 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "a-" , 20, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "tion ", 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "is " , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "hy-" , 30, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "phen" , 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "a-" , 20, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "tion" , 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "." , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
};
|
|
// clang-format on
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 30;
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{ "Hy-", 30, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "phe", 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "na-", 30, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "tio", 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "n " , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "is ", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "hy-", 30, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "phe", 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "na-", 30, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "tio", 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "n." , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
};
|
|
// clang-format on
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 20;
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{ "Hy" , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "ph" , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "en" , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "a-" , 20, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "ti" , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "on ", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "is ", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "hy" , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "ph" , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "en" , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "a-" , 20, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT },
|
|
{ "ti" , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "on" , 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "." , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
};
|
|
// clang-format on
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 10;
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{ "H" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "y" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "p" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "h" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "e" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "n" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "a" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "t" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "i" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "o" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "n ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "i" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "s ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "h" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "y" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "p" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "h" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "e" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "n" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "a" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "t" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "i" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "o" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "n" , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
{ "." , 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT },
|
|
};
|
|
// clang-format on
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
}
|
|
|
|
TEST_F(GreedyLineBreakerTest, testHyphenationStartLineChange) {
|
|
constexpr bool DO_HYPHEN = true; // Do hyphenation in this test case.
|
|
// "hyphenation" is hyphnated to "hy-phen-a-tion".
|
|
const std::vector<uint16_t> textBuf = utf8ToUtf16("czerwono-niebieska");
|
|
|
|
constexpr StartHyphenEdit NO_START_HYPHEN = StartHyphenEdit::NO_EDIT;
|
|
constexpr EndHyphenEdit NO_END_HYPHEN = EndHyphenEdit::NO_EDIT;
|
|
constexpr StartHyphenEdit START_HYPHEN = StartHyphenEdit::INSERT_HYPHEN;
|
|
|
|
// Note that disable clang-format everywhere since aligned expectation is more readable.
|
|
{
|
|
constexpr float LINE_WIDTH = 1000;
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"czerwono-niebieska", 180, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
|
|
const auto actual = doLineBreak(textBuf, DO_HYPHEN, "pl", LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 180;
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"czerwono-niebieska", 180, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
|
|
const auto actual = doLineBreak(textBuf, DO_HYPHEN, "pl", LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 130;
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"czerwono-" , 90, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"-niebieska", 100, START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
|
|
const auto actual = doLineBreak(textBuf, DO_HYPHEN, "pl", LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
}
|
|
|
|
TEST_F(GreedyLineBreakerTest, testZeroWidthLine) {
|
|
constexpr bool DO_HYPHEN = true; // Do hyphenation in this test case.
|
|
constexpr float LINE_WIDTH = 0;
|
|
|
|
constexpr StartHyphenEdit NO_START_HYPHEN = StartHyphenEdit::NO_EDIT;
|
|
constexpr EndHyphenEdit NO_END_HYPHEN = EndHyphenEdit::NO_EDIT;
|
|
|
|
{
|
|
const auto textBuf = utf8ToUtf16("");
|
|
std::vector<LineBreakExpectation> expect = {};
|
|
const auto actual = doLineBreak(textBuf, DO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
const auto textBuf = utf8ToUtf16("A");
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"A", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
const auto actual = doLineBreak(textBuf, DO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
const auto textBuf = utf8ToUtf16("AB");
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"A", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"B", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
const auto actual = doLineBreak(textBuf, DO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
}
|
|
|
|
TEST_F(GreedyLineBreakerTest, testZeroWidthCharacter) {
|
|
constexpr float CHAR_WIDTH = 0.0;
|
|
constexpr bool DO_HYPHEN = true; // Do hyphenation in this test case.
|
|
|
|
constexpr StartHyphenEdit NO_START_HYPHEN = StartHyphenEdit::NO_EDIT;
|
|
constexpr EndHyphenEdit NO_END_HYPHEN = EndHyphenEdit::NO_EDIT;
|
|
{
|
|
constexpr float LINE_WIDTH = 1.0;
|
|
const auto textBuf = utf8ToUtf16("This is an example text.");
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This is an example text.", 0, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
|
|
MeasuredTextBuilder builder;
|
|
builder.addCustomRun<ConstantRun>(Range(0, textBuf.size()), "en-US", CHAR_WIDTH, ASCENT,
|
|
DESCENT);
|
|
std::unique_ptr<MeasuredText> measuredText =
|
|
builder.build(textBuf, false /* compute hyphenation */,
|
|
false /* compute full layout */, nullptr /* no hint */);
|
|
RectangleLineWidth rectangleLineWidth(LINE_WIDTH);
|
|
TabStops tabStops(nullptr, 0, 10);
|
|
const auto actual =
|
|
breakLineGreedy(textBuf, *measuredText, rectangleLineWidth, tabStops, DO_HYPHEN);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 0.0;
|
|
const auto textBuf = utf8ToUtf16("This is an example text.");
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This is an example text.", 0, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
MeasuredTextBuilder builder;
|
|
builder.addCustomRun<ConstantRun>(Range(0, textBuf.size()), "en-US", CHAR_WIDTH, ASCENT,
|
|
DESCENT);
|
|
std::unique_ptr<MeasuredText> measuredText =
|
|
builder.build(textBuf, false /* compute hyphenation */,
|
|
false /* compute full layout */, nullptr /* no hint */);
|
|
RectangleLineWidth rectangleLineWidth(LINE_WIDTH);
|
|
TabStops tabStops(nullptr, 0, 10);
|
|
const auto actual =
|
|
breakLineGreedy(textBuf, *measuredText, rectangleLineWidth, tabStops, DO_HYPHEN);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
}
|
|
|
|
TEST_F(GreedyLineBreakerTest, testLocaleSwitchTest) {
|
|
constexpr float CHAR_WIDTH = 10.0;
|
|
constexpr bool DO_HYPHEN = true; // Do hyphenation in this test case.
|
|
|
|
constexpr StartHyphenEdit NO_START_HYPHEN = StartHyphenEdit::NO_EDIT;
|
|
constexpr EndHyphenEdit NO_END_HYPHEN = EndHyphenEdit::NO_EDIT;
|
|
|
|
constexpr float LINE_WIDTH = 240;
|
|
const auto textBuf = utf8ToUtf16("This is an example text.");
|
|
{
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This is an example text.", 240, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
|
|
MeasuredTextBuilder builder;
|
|
builder.addCustomRun<ConstantRun>(Range(0, 18), "en-US", CHAR_WIDTH, ASCENT, DESCENT);
|
|
builder.addCustomRun<ConstantRun>(Range(18, textBuf.size()), "en-US", CHAR_WIDTH, ASCENT,
|
|
DESCENT);
|
|
std::unique_ptr<MeasuredText> measuredText =
|
|
builder.build(textBuf, false /* compute hyphenation */,
|
|
false /* compute full layout */, nullptr /* no hint */);
|
|
RectangleLineWidth rectangleLineWidth(LINE_WIDTH);
|
|
TabStops tabStops(nullptr, 0, 0);
|
|
|
|
const auto actual =
|
|
breakLineGreedy(textBuf, *measuredText, rectangleLineWidth, tabStops, DO_HYPHEN);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This is an example text.", 240, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
|
|
MeasuredTextBuilder builder;
|
|
builder.addCustomRun<ConstantRun>(Range(0, 18), "en-US", CHAR_WIDTH, ASCENT, DESCENT);
|
|
builder.addCustomRun<ConstantRun>(Range(18, textBuf.size()), "fr-FR", CHAR_WIDTH, ASCENT,
|
|
DESCENT);
|
|
std::unique_ptr<MeasuredText> measuredText =
|
|
builder.build(textBuf, false /* compute hyphenation */,
|
|
false /* compute full layout */, nullptr /* no hint */);
|
|
RectangleLineWidth rectangleLineWidth(LINE_WIDTH);
|
|
TabStops tabStops(nullptr, 0, 0);
|
|
|
|
const auto actual =
|
|
breakLineGreedy(textBuf, *measuredText, rectangleLineWidth, tabStops, DO_HYPHEN);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
}
|
|
|
|
TEST_F(GreedyLineBreakerTest, testEmailOrUrl) {
|
|
constexpr bool DO_HYPHEN = true; // Do hyphenation in this test case.
|
|
|
|
constexpr StartHyphenEdit NO_START_HYPHEN = StartHyphenEdit::NO_EDIT;
|
|
constexpr EndHyphenEdit NO_END_HYPHEN = EndHyphenEdit::NO_EDIT;
|
|
{
|
|
constexpr float LINE_WIDTH = 240;
|
|
const auto textBuf = utf8ToUtf16("This is an url: http://a.b");
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This is an url: ", 150, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"http://a.b", 100, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
const auto actual = doLineBreak(textBuf, DO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 240;
|
|
const auto textBuf = utf8ToUtf16("This is an email: a@example.com");
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This is an email: ", 170, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"a@example.com", 130, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
const auto actual = doLineBreak(textBuf, DO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
}
|
|
|
|
TEST_F(GreedyLineBreakerTest, testLocaleSwitch_InEmailOrUrl) {
|
|
constexpr float CHAR_WIDTH = 10.0;
|
|
constexpr bool DO_HYPHEN = true; // Do hyphenation in this test case.
|
|
|
|
constexpr StartHyphenEdit NO_START_HYPHEN = StartHyphenEdit::NO_EDIT;
|
|
constexpr EndHyphenEdit NO_END_HYPHEN = EndHyphenEdit::NO_EDIT;
|
|
|
|
constexpr float LINE_WIDTH = 240;
|
|
{
|
|
const auto textBuf = utf8ToUtf16("This is an url: http://a.b");
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This is an url: ", 150, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"http://a.b", 100, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
|
|
MeasuredTextBuilder builder;
|
|
builder.addCustomRun<ConstantRun>(Range(0, 18), "en-US", CHAR_WIDTH, ASCENT, DESCENT);
|
|
builder.addCustomRun<ConstantRun>(Range(18, textBuf.size()), "fr-FR", CHAR_WIDTH, ASCENT,
|
|
DESCENT);
|
|
std::unique_ptr<MeasuredText> measuredText =
|
|
builder.build(textBuf, false /* compute hyphenation */,
|
|
false /* compute full layout */, nullptr /* no hint */);
|
|
RectangleLineWidth rectangleLineWidth(LINE_WIDTH);
|
|
TabStops tabStops(nullptr, 0, 0);
|
|
|
|
const auto actual =
|
|
breakLineGreedy(textBuf, *measuredText, rectangleLineWidth, tabStops, DO_HYPHEN);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
const auto textBuf = utf8ToUtf16("This is an email: a@example.com");
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This is an email: ", 170, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"a@example.com", 130, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
|
|
MeasuredTextBuilder builder;
|
|
builder.addCustomRun<ConstantRun>(Range(0, 18), "en-US", CHAR_WIDTH, ASCENT, DESCENT);
|
|
builder.addCustomRun<ConstantRun>(Range(18, textBuf.size()), "fr-FR", CHAR_WIDTH, ASCENT,
|
|
DESCENT);
|
|
std::unique_ptr<MeasuredText> measuredText =
|
|
builder.build(textBuf, false /* compute hyphenation */,
|
|
false /* compute full layout */, nullptr /* no hint */);
|
|
RectangleLineWidth rectangleLineWidth(LINE_WIDTH);
|
|
TabStops tabStops(nullptr, 0, 0);
|
|
|
|
const auto actual =
|
|
breakLineGreedy(textBuf, *measuredText, rectangleLineWidth, tabStops, DO_HYPHEN);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
}
|
|
|
|
// b/68669534
|
|
TEST_F(GreedyLineBreakerTest, CrashFix_Space_Tab) {
|
|
constexpr float CHAR_WIDTH = 10.0;
|
|
constexpr bool DO_HYPHEN = true; // Do hyphenation in this test case.
|
|
|
|
constexpr StartHyphenEdit NO_START_HYPHEN = StartHyphenEdit::NO_EDIT;
|
|
constexpr EndHyphenEdit NO_END_HYPHEN = EndHyphenEdit::NO_EDIT;
|
|
{
|
|
constexpr float LINE_WIDTH = 50;
|
|
const auto textBuf = utf8ToUtf16("a \tb");
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"a \tb", 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
|
|
MeasuredTextBuilder builder;
|
|
builder.addCustomRun<ConstantRun>(Range(0, textBuf.size()), "en-US", CHAR_WIDTH, ASCENT,
|
|
DESCENT);
|
|
std::unique_ptr<MeasuredText> measuredText =
|
|
builder.build(textBuf, false /* compute hyphenation */,
|
|
false /* compute full layout */, nullptr /* no hint */);
|
|
RectangleLineWidth rectangleLineWidth(LINE_WIDTH);
|
|
TabStops tabStops(nullptr, 0, CHAR_WIDTH);
|
|
|
|
const auto actual =
|
|
breakLineGreedy(textBuf, *measuredText, rectangleLineWidth, tabStops, DO_HYPHEN);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
}
|
|
|
|
TEST_F(GreedyLineBreakerTest, ExtentTest) {
|
|
constexpr bool NO_HYPHEN = false; // No hyphenation in this test case.
|
|
const std::vector<uint16_t> textBuf = utf8ToUtf16("The \u3042\u3044\u3046 is Japanese.");
|
|
|
|
constexpr StartHyphenEdit NO_START_HYPHEN = StartHyphenEdit::NO_EDIT;
|
|
constexpr EndHyphenEdit NO_END_HYPHEN = EndHyphenEdit::NO_EDIT;
|
|
{
|
|
constexpr float LINE_WIDTH = 1000;
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"The \u3042\u3044\u3046 is Japanese.", 200, NO_START_HYPHEN, NO_END_HYPHEN,
|
|
CUSTOM_ASCENT, CUSTOM_DESCENT},
|
|
};
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 200;
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"The \u3042\u3044\u3046 is Japanese.", 200, NO_START_HYPHEN, NO_END_HYPHEN,
|
|
CUSTOM_ASCENT, CUSTOM_DESCENT},
|
|
};
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 190;
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"The \u3042\u3044\u3046 is ", 100, NO_START_HYPHEN, NO_END_HYPHEN, CUSTOM_ASCENT,
|
|
CUSTOM_DESCENT},
|
|
{"Japanese.", 90, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 90;
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"The \u3042\u3044\u3046 ", 70, NO_START_HYPHEN, NO_END_HYPHEN, CUSTOM_ASCENT,
|
|
CUSTOM_DESCENT},
|
|
{"is ", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"Japanese.", 90, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 50;
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"The \u3042", 50, NO_START_HYPHEN, NO_END_HYPHEN, CUSTOM_ASCENT, CUSTOM_DESCENT},
|
|
{"\u3044\u3046 is ", 50, NO_START_HYPHEN, NO_END_HYPHEN, CUSTOM_ASCENT,
|
|
CUSTOM_DESCENT},
|
|
{"Japan", 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"ese.", 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 40;
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"The ", 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u3042\u3044\u3046 ", 30, NO_START_HYPHEN, NO_END_HYPHEN, CUSTOM_ASCENT,
|
|
CUSTOM_DESCENT},
|
|
{"is ", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"Japa", 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"nese", 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{".", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 20;
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"Th", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"e ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u3042\u3044", 20, NO_START_HYPHEN, NO_END_HYPHEN, CUSTOM_ASCENT, CUSTOM_DESCENT},
|
|
{"\u3046 ", 10, NO_START_HYPHEN, NO_END_HYPHEN, CUSTOM_ASCENT, CUSTOM_DESCENT},
|
|
{"is ", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"Ja", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"pa", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"ne", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"se", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{".", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 10;
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"T", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"h", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"e ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u3042", 10, NO_START_HYPHEN, NO_END_HYPHEN, CUSTOM_ASCENT, CUSTOM_DESCENT},
|
|
{"\u3044", 10, NO_START_HYPHEN, NO_END_HYPHEN, CUSTOM_ASCENT, CUSTOM_DESCENT},
|
|
{"\u3046 ", 10, NO_START_HYPHEN, NO_END_HYPHEN, CUSTOM_ASCENT, CUSTOM_DESCENT},
|
|
{"i", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"s ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"J", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"a", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"p", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"a", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"n", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"e", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"s", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"e", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{".", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
}
|
|
|
|
TEST_F(GreedyLineBreakerTest, testReplacementSpanNotBreakTest_SingleChar) {
|
|
constexpr float CHAR_WIDTH = 10.0;
|
|
constexpr bool DO_HYPHEN = true; // Do hyphenation in this test case.
|
|
|
|
constexpr StartHyphenEdit NO_START_HYPHEN = StartHyphenEdit::NO_EDIT;
|
|
constexpr EndHyphenEdit NO_END_HYPHEN = EndHyphenEdit::NO_EDIT;
|
|
|
|
const auto textBuf = utf8ToUtf16("This is an example \u2639 text.");
|
|
|
|
// In this test case, assign a replacement run for "U+2639" with 5 times of CHAR_WIDTH.
|
|
auto doLineBreak = [=](float width) {
|
|
MeasuredTextBuilder builder;
|
|
builder.addCustomRun<ConstantRun>(Range(0, 19), "en-US", CHAR_WIDTH, ASCENT, DESCENT);
|
|
builder.addReplacementRun(19, 20, 5 * CHAR_WIDTH, LocaleListCache::getId("en-US"));
|
|
builder.addCustomRun<ConstantRun>(Range(20, textBuf.size()), "en-US", CHAR_WIDTH, ASCENT,
|
|
DESCENT);
|
|
|
|
std::unique_ptr<MeasuredText> measuredText =
|
|
builder.build(textBuf, false /* compute hyphenation */,
|
|
false /* compute full layout */, nullptr /* no hint */);
|
|
RectangleLineWidth rectangleLineWidth(width);
|
|
TabStops tabStops(nullptr, 0, 0);
|
|
return breakLineGreedy(textBuf, *measuredText, rectangleLineWidth, tabStops, DO_HYPHEN);
|
|
};
|
|
|
|
{
|
|
constexpr float LINE_WIDTH = 100;
|
|
// "is an" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This is an ", 100, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"example ", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u2639 ", 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"text.", 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 90;
|
|
// "is an" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This is ", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"an ", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"example ", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u2639 ", 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"text.", 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 10;
|
|
// "is an" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"T", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"h", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"i", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"s ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"i", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"s ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"a", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"n ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"e", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"x", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"a", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"m", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"p", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"l", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"e ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
// TODO: This should be "\u2639 " since should not count the trailing line end space
|
|
{"\u2639", 50, NO_START_HYPHEN, NO_END_HYPHEN, 0, 0},
|
|
{" ", 0, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"t", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"e", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"x", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"t", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{".", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
}
|
|
|
|
TEST_F(GreedyLineBreakerTest, testReplacementSpanNotBreakTest_MultipleChars) {
|
|
constexpr float CHAR_WIDTH = 10.0;
|
|
constexpr bool DO_HYPHEN = true; // Do hyphenation in this test case.
|
|
|
|
constexpr StartHyphenEdit NO_START_HYPHEN = StartHyphenEdit::NO_EDIT;
|
|
constexpr EndHyphenEdit NO_END_HYPHEN = EndHyphenEdit::NO_EDIT;
|
|
|
|
const auto textBuf = utf8ToUtf16("This is an example text.");
|
|
|
|
// In this test case, assign a replacement run for "is an " with 5 times of CHAR_WIDTH.
|
|
auto doLineBreak = [=](float width) {
|
|
MeasuredTextBuilder builder;
|
|
builder.addCustomRun<ConstantRun>(Range(0, 5), "en-US", CHAR_WIDTH, ASCENT, DESCENT);
|
|
builder.addReplacementRun(5, 11, 5 * CHAR_WIDTH, LocaleListCache::getId("en-US"));
|
|
builder.addCustomRun<ConstantRun>(Range(11, textBuf.size()), "en-US", CHAR_WIDTH, ASCENT,
|
|
DESCENT);
|
|
|
|
std::unique_ptr<MeasuredText> measuredText =
|
|
builder.build(textBuf, false /* compute hyphenation */,
|
|
false /* compute full layout */, nullptr /* no hint */);
|
|
RectangleLineWidth rectangleLineWidth(width);
|
|
TabStops tabStops(nullptr, 0, 0);
|
|
return breakLineGreedy(textBuf, *measuredText, rectangleLineWidth, tabStops, DO_HYPHEN);
|
|
};
|
|
|
|
{
|
|
constexpr float LINE_WIDTH = 100;
|
|
// "is an" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This is an ", 100, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"example ", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"text.", 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 90;
|
|
// "is an" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This ", 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"is an ", 50, NO_START_HYPHEN, NO_END_HYPHEN, 0, 0},
|
|
{"example ",70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"text.", 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 10;
|
|
// "is an" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"T", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"h", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"i", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"s ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"is an ", 50, NO_START_HYPHEN, NO_END_HYPHEN, 0, 0},
|
|
{"e", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"x", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"a", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"m", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"p", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"l", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"e ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"t", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"e", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"x", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"t", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{".", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
}
|
|
|
|
TEST_F(GreedyLineBreakerTest, testReplacementSpanNotBreakTest_CJK) {
|
|
constexpr float CHAR_WIDTH = 10.0;
|
|
constexpr bool DO_HYPHEN = true; // Do hyphenation in this test case.
|
|
|
|
constexpr StartHyphenEdit NO_START_HYPHEN = StartHyphenEdit::NO_EDIT;
|
|
constexpr EndHyphenEdit NO_END_HYPHEN = EndHyphenEdit::NO_EDIT;
|
|
|
|
// Example string: "Today is a sunny day." in Japanese.
|
|
const auto textBuf = utf8ToUtf16("\u672C\u65E5\u306F\u6674\u5929\u306A\u308A");
|
|
|
|
// In this test case, assign a replacement run for "\u6674\u5929" with 5 times of CHAR_WIDTH.
|
|
auto doLineBreak = [=](float width) {
|
|
MeasuredTextBuilder builder;
|
|
builder.addCustomRun<ConstantRun>(Range(0, 3), "ja-JP", CHAR_WIDTH, ASCENT, DESCENT);
|
|
builder.addReplacementRun(3, 5, 5 * CHAR_WIDTH, LocaleListCache::getId("ja-JP"));
|
|
builder.addCustomRun<ConstantRun>(Range(5, textBuf.size()), "ja-JP", CHAR_WIDTH, ASCENT,
|
|
DESCENT);
|
|
|
|
std::unique_ptr<MeasuredText> measuredText =
|
|
builder.build(textBuf, false /* compute hyphenation */,
|
|
false /* compute full layout */, nullptr /* no hint */);
|
|
RectangleLineWidth rectangleLineWidth(width);
|
|
TabStops tabStops(nullptr, 0, 0);
|
|
return breakLineGreedy(textBuf, *measuredText, rectangleLineWidth, tabStops, DO_HYPHEN);
|
|
};
|
|
|
|
{
|
|
constexpr float LINE_WIDTH = 100;
|
|
// "\u6674\u5929" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"\u672C\u65E5\u306F\u6674\u5929\u306A\u308A",
|
|
100, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 90;
|
|
// "\u6674\u5929" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"\u672C\u65E5\u306F\u6674\u5929\u306A",
|
|
90, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u308A",
|
|
10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 80;
|
|
// "\u6674\u5929" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"\u672C\u65E5\u306F\u6674\u5929",
|
|
80, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u306A\u308A",
|
|
20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 70;
|
|
// "\u6674\u5929" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"\u672C\u65E5\u306F", 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u6674\u5929\u306A\u308A", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 60;
|
|
// "\u6674\u5929" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"\u672C\u65E5\u306F", 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u6674\u5929\u306A", 60, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u308A", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 50;
|
|
// "\u6674\u5929" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"\u672C\u65E5\u306F", 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u6674\u5929", 50, NO_START_HYPHEN, NO_END_HYPHEN, 0, 0},
|
|
{"\u306A\u308A", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 40;
|
|
// "\u6674\u5929" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"\u672C\u65E5\u306F", 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u6674\u5929", 50, NO_START_HYPHEN, NO_END_HYPHEN, 0, 0},
|
|
{"\u306A\u308A", 20, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 10;
|
|
// "\u6674\u5929" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"\u672C", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u65E5", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u306F", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u6674\u5929", 50, NO_START_HYPHEN, NO_END_HYPHEN, 0, 0},
|
|
{"\u306A", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u308A", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
}
|
|
|
|
TEST_F(GreedyLineBreakerTest, testReplacementSpanNotBreakTest_with_punctuation) {
|
|
constexpr float CHAR_WIDTH = 10.0;
|
|
constexpr bool DO_HYPHEN = true; // Do hyphenation in this test case.
|
|
|
|
constexpr StartHyphenEdit NO_START_HYPHEN = StartHyphenEdit::NO_EDIT;
|
|
constexpr EndHyphenEdit END_HYPHEN = EndHyphenEdit::INSERT_HYPHEN;
|
|
constexpr EndHyphenEdit NO_END_HYPHEN = EndHyphenEdit::NO_EDIT;
|
|
|
|
const auto textBuf = utf8ToUtf16("This (is an) example text.");
|
|
|
|
// In this test case, assign a replacement run for "U+2639" with 5 times of CHAR_WIDTH.
|
|
auto doLineBreak = [=](float width) {
|
|
MeasuredTextBuilder builder;
|
|
builder.addCustomRun<ConstantRun>(Range(0, 6), "en-US", CHAR_WIDTH, ASCENT, DESCENT);
|
|
builder.addReplacementRun(6, 11, 5 * CHAR_WIDTH, LocaleListCache::getId("en-US"));
|
|
builder.addCustomRun<ConstantRun>(Range(11, textBuf.size()), "en-US", CHAR_WIDTH, ASCENT,
|
|
DESCENT);
|
|
|
|
std::unique_ptr<MeasuredText> measuredText =
|
|
builder.build(textBuf, false /* compute hyphenation */,
|
|
false /* compute full layout */, nullptr /* no hint */);
|
|
RectangleLineWidth rectangleLineWidth(width);
|
|
TabStops tabStops(nullptr, 0, 0);
|
|
return breakLineGreedy(textBuf, *measuredText, rectangleLineWidth, tabStops, DO_HYPHEN);
|
|
};
|
|
|
|
{
|
|
constexpr float LINE_WIDTH = 1000;
|
|
// "is an" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This (is an) example text.",
|
|
260, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 250;
|
|
// "is an" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This (is an) example ", 200, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"text.", 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 190;
|
|
// "is an" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This (is an) ", 120, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"example text.", 130, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 120;
|
|
// "is an" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This (is an) ", 120, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"example ", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"text.", 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 110;
|
|
// "is an" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This ", 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"(is an) ", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"example ", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"text.", 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 60;
|
|
// "is an" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This ", 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"(is an", 60, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{") ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"exam-", 50, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT},
|
|
{"ple ", 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"text.", 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 50;
|
|
// "is an" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This ", 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"(", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"is an", 50, NO_START_HYPHEN, NO_END_HYPHEN, 0, 0},
|
|
{") ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"exam-", 50, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT},
|
|
{"ple ", 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"text.", 50, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 40;
|
|
// "is an" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"This ", 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"(", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"is an", 50, NO_START_HYPHEN, NO_END_HYPHEN, 0, 0},
|
|
{") ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"ex-", 30, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT},
|
|
{"am-", 30, NO_START_HYPHEN, END_HYPHEN, ASCENT, DESCENT},
|
|
{"ple ", 30, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"text", 40, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{".", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
{
|
|
constexpr float LINE_WIDTH = 10;
|
|
// "is an" is a single replacement span. Do not break.
|
|
// clang-format off
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"T", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"h", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"i", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"s ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"(", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"is an", 50, NO_START_HYPHEN, NO_END_HYPHEN, 0, 0},
|
|
{") ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"e", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"x", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"a", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"m", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"p", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"l", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"e ", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"t", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"e", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"x", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"t", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{".", 10, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
// clang-format on
|
|
const auto actual = doLineBreak(LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
}
|
|
|
|
TEST_F(GreedyLineBreakerTest, testControllCharAfterSpace) {
|
|
constexpr bool NO_HYPHEN = false; // No hyphenation in this test case.
|
|
const std::vector<uint16_t> textBuf = utf8ToUtf16("example \u2066example");
|
|
|
|
constexpr StartHyphenEdit NO_START_HYPHEN = StartHyphenEdit::NO_EDIT;
|
|
constexpr EndHyphenEdit NO_END_HYPHEN = EndHyphenEdit::NO_EDIT;
|
|
{
|
|
constexpr float LINE_WIDTH = 90;
|
|
std::vector<LineBreakExpectation> expect = {
|
|
{"example ", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
{"\u2066example", 70, NO_START_HYPHEN, NO_END_HYPHEN, ASCENT, DESCENT},
|
|
};
|
|
|
|
const auto actual = doLineBreak(textBuf, NO_HYPHEN, LINE_WIDTH);
|
|
EXPECT_TRUE(sameLineBreak(expect, actual)) << toString(expect) << std::endl
|
|
<< " vs " << std::endl
|
|
<< toString(textBuf, actual);
|
|
}
|
|
}
|
|
} // namespace
|
|
} // namespace minikin
|