/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gtest/gtest.h>
#include "FontLanguageListCache.h"
#include "FontLanguage.h"
#include "FontTestUtils.h"
#include "ICUTestBase.h"
#include "MinikinFontForTest.h"
#include "MinikinInternal.h"
#include "UnicodeUtils.h"
#include "minikin/FontFamily.h"
using android::AutoMutex;
using android::FontCollection;
using android::FontFamily;
using android::FontLanguage;
using android::FontLanguages;
using android::FontLanguageListCache;
using android::FontStyle;
using android::MinikinAutoUnref;
using android::MinikinFont;
using android::gMinikinLock;
const char kItemizeFontXml[] = kTestFontDir "itemize.xml";
const char kEmojiFont[] = kTestFontDir "Emoji.ttf";
const char kJAFont[] = kTestFontDir "Ja.ttf";
const char kKOFont[] = kTestFontDir "Ko.ttf";
const char kLatinBoldFont[] = kTestFontDir "Bold.ttf";
const char kLatinBoldItalicFont[] = kTestFontDir "BoldItalic.ttf";
const char kLatinFont[] = kTestFontDir "Regular.ttf";
const char kLatinItalicFont[] = kTestFontDir "Italic.ttf";
const char kZH_HansFont[] = kTestFontDir "ZhHans.ttf";
const char kZH_HantFont[] = kTestFontDir "ZhHant.ttf";
const char kEmojiXmlFile[] = kTestFontDir "emoji.xml";
const char kNoGlyphFont[] = kTestFontDir "NoGlyphFont.ttf";
const char kColorEmojiFont[] = kTestFontDir "ColorEmojiFont.ttf";
const char kTextEmojiFont[] = kTestFontDir "TextEmojiFont.ttf";
const char kMixedEmojiFont[] = kTestFontDir "ColorTextMixedEmojiFont.ttf";
typedef ICUTestBase FontCollectionItemizeTest;
// Utility function for calling itemize function.
void itemize(FontCollection* collection, const char* str, FontStyle style,
std::vector<FontCollection::Run>* result) {
const size_t BUF_SIZE = 256;
uint16_t buf[BUF_SIZE];
size_t len;
result->clear();
ParseUnicode(buf, BUF_SIZE, str, &len, NULL);
AutoMutex _l(gMinikinLock);
collection->itemize(buf, len, style, result);
}
// Utility function to obtain font path associated with run.
const std::string& getFontPath(const FontCollection::Run& run) {
EXPECT_NE(nullptr, run.fakedFont.font);
return ((MinikinFontForTest*)run.fakedFont.font)->fontPath();
}
// Utility function to obtain FontLanguages from string.
const FontLanguages& registerAndGetFontLanguages(const std::string& lang_string) {
AutoMutex _l(gMinikinLock);
return FontLanguageListCache::getById(FontLanguageListCache::getId(lang_string));
}
TEST_F(FontCollectionItemizeTest, itemize_latin) {
MinikinAutoUnref<FontCollection> collection(getFontCollection(kTestFontDir, kItemizeFontXml));
std::vector<FontCollection::Run> runs;
const FontStyle kRegularStyle = FontStyle();
const FontStyle kItalicStyle = FontStyle(4, true);
const FontStyle kBoldStyle = FontStyle(7, false);
const FontStyle kBoldItalicStyle = FontStyle(7, true);
itemize(collection.get(), "'a' 'b' 'c' 'd' 'e'", kRegularStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(5, runs[0].end);
EXPECT_EQ(kLatinFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
itemize(collection.get(), "'a' 'b' 'c' 'd' 'e'", kItalicStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(5, runs[0].end);
EXPECT_EQ(kLatinItalicFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
itemize(collection.get(), "'a' 'b' 'c' 'd' 'e'", kBoldStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(5, runs[0].end);
EXPECT_EQ(kLatinBoldFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
itemize(collection.get(), "'a' 'b' 'c' 'd' 'e'", kBoldItalicStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(5, runs[0].end);
EXPECT_EQ(kLatinBoldItalicFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
// Continue if the specific characters (e.g. hyphen, comma, etc.) is
// followed.
itemize(collection.get(), "'a' ',' '-' 'd' '!'", kRegularStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(5, runs[0].end);
EXPECT_EQ(kLatinFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
itemize(collection.get(), "'a' ',' '-' 'd' '!'", kRegularStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(5, runs[0].end);
EXPECT_EQ(kLatinFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
// U+0301(COMBINING ACUTE ACCENT) must be in the same run with preceding
// chars if the font supports it.
itemize(collection.get(), "'a' U+0301", kRegularStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kLatinFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
}
TEST_F(FontCollectionItemizeTest, itemize_emoji) {
MinikinAutoUnref<FontCollection> collection(getFontCollection(kTestFontDir, kItemizeFontXml));
std::vector<FontCollection::Run> runs;
itemize(collection.get(), "U+1F469 U+1F467", FontStyle(), &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(4, runs[0].end);
EXPECT_EQ(kEmojiFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
// U+20E3(COMBINING ENCLOSING KEYCAP) must be in the same run with preceding
// character if the font supports.
itemize(collection.get(), "'0' U+20E3", FontStyle(), &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kEmojiFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
itemize(collection.get(), "U+1F470 U+20E3", FontStyle(), &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(3, runs[0].end);
EXPECT_EQ(kEmojiFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
itemize(collection.get(), "U+242EE U+1F470 U+20E3", FontStyle(), &runs);
ASSERT_EQ(2U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
EXPECT_EQ(2, runs[1].start);
EXPECT_EQ(5, runs[1].end);
EXPECT_EQ(kEmojiFont, getFontPath(runs[1]));
EXPECT_FALSE(runs[1].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[1].fakedFont.fakery.isFakeItalic());
// Currently there is no fonts which has a glyph for 'a' + U+20E3, so they
// are splitted into two.
itemize(collection.get(), "'a' U+20E3", FontStyle(), &runs);
ASSERT_EQ(2U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(1, runs[0].end);
EXPECT_EQ(kLatinFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
EXPECT_EQ(1, runs[1].start);
EXPECT_EQ(2, runs[1].end);
EXPECT_EQ(kEmojiFont, getFontPath(runs[1]));
EXPECT_FALSE(runs[1].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[1].fakedFont.fakery.isFakeItalic());
}
TEST_F(FontCollectionItemizeTest, itemize_non_latin) {
MinikinAutoUnref<FontCollection> collection(getFontCollection(kTestFontDir, kItemizeFontXml));
std::vector<FontCollection::Run> runs;
FontStyle kJAStyle = FontStyle(FontStyle::registerLanguageList("ja_JP"));
FontStyle kUSStyle = FontStyle(FontStyle::registerLanguageList("en_US"));
FontStyle kZH_HansStyle = FontStyle(FontStyle::registerLanguageList("zh_Hans"));
// All Japanese Hiragana characters.
itemize(collection.get(), "U+3042 U+3044 U+3046 U+3048 U+304A", kUSStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(5, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
// All Korean Hangul characters.
itemize(collection.get(), "U+B300 U+D55C U+BBFC U+AD6D", kUSStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(4, runs[0].end);
EXPECT_EQ(kKOFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
// All Han characters ja, zh-Hans font having.
// Japanese font should be selected if the specified language is Japanese.
itemize(collection.get(), "U+81ED U+82B1 U+5FCD", kJAStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(3, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
// Simplified Chinese font should be selected if the specified language is Simplified
// Chinese.
itemize(collection.get(), "U+81ED U+82B1 U+5FCD", kZH_HansStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(3, runs[0].end);
EXPECT_EQ(kZH_HansFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
// Fallbacks to other fonts if there is no glyph in the specified language's
// font. There is no character U+4F60 in Japanese.
itemize(collection.get(), "U+81ED U+4F60 U+5FCD", kJAStyle, &runs);
ASSERT_EQ(3U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(1, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
EXPECT_EQ(1, runs[1].start);
EXPECT_EQ(2, runs[1].end);
EXPECT_EQ(kZH_HansFont, getFontPath(runs[1]));
EXPECT_FALSE(runs[1].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[1].fakedFont.fakery.isFakeItalic());
EXPECT_EQ(2, runs[2].start);
EXPECT_EQ(3, runs[2].end);
EXPECT_EQ(kJAFont, getFontPath(runs[2]));
EXPECT_FALSE(runs[2].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[2].fakedFont.fakery.isFakeItalic());
// Tone mark.
itemize(collection.get(), "U+4444 U+302D", FontStyle(), &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kZH_HansFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
// Both zh-Hant and ja fonts support U+242EE, but zh-Hans doesn't.
// Here, ja and zh-Hant font should have the same score but ja should be selected since it is
// listed before zh-Hant.
itemize(collection.get(), "U+242EE", kZH_HansStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
}
TEST_F(FontCollectionItemizeTest, itemize_mixed) {
MinikinAutoUnref<FontCollection> collection(getFontCollection(kTestFontDir, kItemizeFontXml));
std::vector<FontCollection::Run> runs;
FontStyle kUSStyle = FontStyle(FontStyle::registerLanguageList("en_US"));
itemize(collection.get(), "'a' U+4F60 'b' U+4F60 'c'", kUSStyle, &runs);
ASSERT_EQ(5U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(1, runs[0].end);
EXPECT_EQ(kLatinFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
EXPECT_EQ(1, runs[1].start);
EXPECT_EQ(2, runs[1].end);
EXPECT_EQ(kZH_HansFont, getFontPath(runs[1]));
EXPECT_FALSE(runs[1].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[1].fakedFont.fakery.isFakeItalic());
EXPECT_EQ(2, runs[2].start);
EXPECT_EQ(3, runs[2].end);
EXPECT_EQ(kLatinFont, getFontPath(runs[2]));
EXPECT_FALSE(runs[2].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[2].fakedFont.fakery.isFakeItalic());
EXPECT_EQ(3, runs[3].start);
EXPECT_EQ(4, runs[3].end);
EXPECT_EQ(kZH_HansFont, getFontPath(runs[3]));
EXPECT_FALSE(runs[3].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[3].fakedFont.fakery.isFakeItalic());
EXPECT_EQ(4, runs[4].start);
EXPECT_EQ(5, runs[4].end);
EXPECT_EQ(kLatinFont, getFontPath(runs[4]));
EXPECT_FALSE(runs[4].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[4].fakedFont.fakery.isFakeItalic());
}
TEST_F(FontCollectionItemizeTest, itemize_variationSelector) {
MinikinAutoUnref<FontCollection> collection(getFontCollection(kTestFontDir, kItemizeFontXml));
std::vector<FontCollection::Run> runs;
// A glyph for U+4FAE is provided by both Japanese font and Simplified
// Chinese font. Also a glyph for U+242EE is provided by both Japanese and
// Traditional Chinese font. To avoid effects of device default locale,
// explicitly specify the locale.
FontStyle kZH_HansStyle = FontStyle(FontStyle::registerLanguageList("zh_Hans"));
FontStyle kZH_HantStyle = FontStyle(FontStyle::registerLanguageList("zh_Hant"));
// U+4FAE is available in both zh_Hans and ja font, but U+4FAE,U+FE00 is
// only available in ja font.
itemize(collection.get(), "U+4FAE", kZH_HansStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(1, runs[0].end);
EXPECT_EQ(kZH_HansFont, getFontPath(runs[0]));
itemize(collection.get(), "U+4FAE U+FE00", kZH_HansStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[0]));
itemize(collection.get(), "U+4FAE U+4FAE U+FE00", kZH_HansStyle, &runs);
ASSERT_EQ(2U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(1, runs[0].end);
EXPECT_EQ(kZH_HansFont, getFontPath(runs[0]));
EXPECT_EQ(1, runs[1].start);
EXPECT_EQ(3, runs[1].end);
EXPECT_EQ(kJAFont, getFontPath(runs[1]));
itemize(collection.get(), "U+4FAE U+4FAE U+FE00 U+4FAE", kZH_HansStyle, &runs);
ASSERT_EQ(3U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(1, runs[0].end);
EXPECT_EQ(kZH_HansFont, getFontPath(runs[0]));
EXPECT_EQ(1, runs[1].start);
EXPECT_EQ(3, runs[1].end);
EXPECT_EQ(kJAFont, getFontPath(runs[1]));
EXPECT_EQ(3, runs[2].start);
EXPECT_EQ(4, runs[2].end);
EXPECT_EQ(kZH_HansFont, getFontPath(runs[2]));
// Validation selector after validation selector.
itemize(collection.get(), "U+4FAE U+FE00 U+FE00", kZH_HansStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(3, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[1]));
// No font supports U+242EE U+FE0E.
itemize(collection.get(), "U+4FAE U+FE0E", kZH_HansStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kZH_HansFont, getFontPath(runs[0]));
// Surrogate pairs handling.
// U+242EE is available in ja font and zh_Hant font.
// U+242EE U+FE00 is available only in ja font.
itemize(collection.get(), "U+242EE", kZH_HantStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kZH_HantFont, getFontPath(runs[0]));
itemize(collection.get(), "U+242EE U+FE00", kZH_HantStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(3, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[0]));
itemize(collection.get(), "U+242EE U+242EE U+FE00", kZH_HantStyle, &runs);
ASSERT_EQ(2U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kZH_HantFont, getFontPath(runs[0]));
EXPECT_EQ(2, runs[1].start);
EXPECT_EQ(5, runs[1].end);
EXPECT_EQ(kJAFont, getFontPath(runs[1]));
itemize(collection.get(), "U+242EE U+242EE U+FE00 U+242EE", kZH_HantStyle, &runs);
ASSERT_EQ(3U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kZH_HantFont, getFontPath(runs[0]));
EXPECT_EQ(2, runs[1].start);
EXPECT_EQ(5, runs[1].end);
EXPECT_EQ(kJAFont, getFontPath(runs[1]));
EXPECT_EQ(5, runs[2].start);
EXPECT_EQ(7, runs[2].end);
EXPECT_EQ(kZH_HantFont, getFontPath(runs[2]));
// Validation selector after validation selector.
itemize(collection.get(), "U+242EE U+FE00 U+FE00", kZH_HansStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(4, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[0]));
// No font supports U+242EE U+FE0E
itemize(collection.get(), "U+242EE U+FE0E", kZH_HantStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(3, runs[0].end);
EXPECT_EQ(kZH_HantFont, getFontPath(runs[0]));
// Isolated variation selector supplement.
itemize(collection.get(), "U+FE00", FontStyle(), &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(1, runs[0].end);
EXPECT_TRUE(runs[0].fakedFont.font == nullptr || kLatinFont == getFontPath(runs[0]));
itemize(collection.get(), "U+FE00", kZH_HantStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(1, runs[0].end);
EXPECT_TRUE(runs[0].fakedFont.font == nullptr || kLatinFont == getFontPath(runs[0]));
// First font family (Regular.ttf) supports U+203C but doesn't support U+203C U+FE0F.
// Emoji.ttf font supports U+203C U+FE0F. Emoji.ttf should be selected.
itemize(collection.get(), "U+203C U+FE0F", kZH_HantStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kEmojiFont, getFontPath(runs[0]));
// First font family (Regular.ttf) supports U+203C U+FE0E.
itemize(collection.get(), "U+203C U+FE0E", kZH_HantStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kLatinFont, getFontPath(runs[0]));
}
TEST_F(FontCollectionItemizeTest, itemize_variationSelectorSupplement) {
MinikinAutoUnref<FontCollection> collection(getFontCollection(kTestFontDir, kItemizeFontXml));
std::vector<FontCollection::Run> runs;
// A glyph for U+845B is provided by both Japanese font and Simplified
// Chinese font. Also a glyph for U+242EE is provided by both Japanese and
// Traditional Chinese font. To avoid effects of device default locale,
// explicitly specify the locale.
FontStyle kZH_HansStyle = FontStyle(FontStyle::registerLanguageList("zh_Hans"));
FontStyle kZH_HantStyle = FontStyle(FontStyle::registerLanguageList("zh_Hant"));
// U+845B is available in both zh_Hans and ja font, but U+845B,U+E0100 is
// only available in ja font.
itemize(collection.get(), "U+845B", kZH_HansStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(1, runs[0].end);
EXPECT_EQ(kZH_HansFont, getFontPath(runs[0]));
itemize(collection.get(), "U+845B U+E0100", kZH_HansStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(3, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[0]));
itemize(collection.get(), "U+845B U+845B U+E0100", kZH_HansStyle, &runs);
ASSERT_EQ(2U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(1, runs[0].end);
EXPECT_EQ(kZH_HansFont, getFontPath(runs[0]));
EXPECT_EQ(1, runs[1].start);
EXPECT_EQ(4, runs[1].end);
EXPECT_EQ(kJAFont, getFontPath(runs[1]));
itemize(collection.get(), "U+845B U+845B U+E0100 U+845B", kZH_HansStyle, &runs);
ASSERT_EQ(3U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(1, runs[0].end);
EXPECT_EQ(kZH_HansFont, getFontPath(runs[0]));
EXPECT_EQ(1, runs[1].start);
EXPECT_EQ(4, runs[1].end);
EXPECT_EQ(kJAFont, getFontPath(runs[1]));
EXPECT_EQ(4, runs[2].start);
EXPECT_EQ(5, runs[2].end);
EXPECT_EQ(kZH_HansFont, getFontPath(runs[2]));
// Validation selector after validation selector.
itemize(collection.get(), "U+845B U+E0100 U+E0100", kZH_HansStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(5, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[0]));
// No font supports U+845B U+E01E0.
itemize(collection.get(), "U+845B U+E01E0", kZH_HansStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(3, runs[0].end);
EXPECT_EQ(kZH_HansFont, getFontPath(runs[0]));
// Isolated variation selector supplement
// Surrogate pairs handling.
// U+242EE is available in ja font and zh_Hant font.
// U+242EE U+E0100 is available only in ja font.
itemize(collection.get(), "U+242EE", kZH_HantStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kZH_HantFont, getFontPath(runs[0]));
itemize(collection.get(), "U+242EE U+E0101", kZH_HantStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(4, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[0]));
itemize(collection.get(), "U+242EE U+242EE U+E0101", kZH_HantStyle, &runs);
ASSERT_EQ(2U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kZH_HantFont, getFontPath(runs[0]));
EXPECT_EQ(2, runs[1].start);
EXPECT_EQ(6, runs[1].end);
EXPECT_EQ(kJAFont, getFontPath(runs[1]));
itemize(collection.get(), "U+242EE U+242EE U+E0101 U+242EE", kZH_HantStyle, &runs);
ASSERT_EQ(3U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kZH_HantFont, getFontPath(runs[0]));
EXPECT_EQ(2, runs[1].start);
EXPECT_EQ(6, runs[1].end);
EXPECT_EQ(kJAFont, getFontPath(runs[1]));
EXPECT_EQ(6, runs[2].start);
EXPECT_EQ(8, runs[2].end);
EXPECT_EQ(kZH_HantFont, getFontPath(runs[2]));
// Validation selector after validation selector.
itemize(collection.get(), "U+242EE U+E0100 U+E0100", kZH_HantStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(6, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[0]));
// No font supports U+242EE U+E01E0.
itemize(collection.get(), "U+242EE U+E01E0", kZH_HantStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(4, runs[0].end);
EXPECT_EQ(kZH_HantFont, getFontPath(runs[0]));
// Isolated variation selector supplement.
itemize(collection.get(), "U+E0100", FontStyle(), &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_TRUE(runs[0].fakedFont.font == nullptr || kLatinFont == getFontPath(runs[0]));
itemize(collection.get(), "U+E0100", kZH_HantStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_TRUE(runs[0].fakedFont.font == nullptr || kLatinFont == getFontPath(runs[0]));
}
TEST_F(FontCollectionItemizeTest, itemize_no_crash) {
MinikinAutoUnref<FontCollection> collection(getFontCollection(kTestFontDir, kItemizeFontXml));
std::vector<FontCollection::Run> runs;
// Broken Surrogate pairs. Check only not crashing.
itemize(collection.get(), "'a' U+D83D 'a'", FontStyle(), &runs);
itemize(collection.get(), "'a' U+DC69 'a'", FontStyle(), &runs);
itemize(collection.get(), "'a' U+D83D U+D83D 'a'", FontStyle(), &runs);
itemize(collection.get(), "'a' U+DC69 U+DC69 'a'", FontStyle(), &runs);
// Isolated variation selector. Check only not crashing.
itemize(collection.get(), "U+FE00 U+FE00", FontStyle(), &runs);
itemize(collection.get(), "U+E0100 U+E0100", FontStyle(), &runs);
itemize(collection.get(), "U+FE00 U+E0100", FontStyle(), &runs);
itemize(collection.get(), "U+E0100 U+FE00", FontStyle(), &runs);
// Tone mark only. Check only not crashing.
itemize(collection.get(), "U+302D", FontStyle(), &runs);
itemize(collection.get(), "U+302D U+302D", FontStyle(), &runs);
// Tone mark and variation selector mixed. Check only not crashing.
itemize(collection.get(), "U+FE00 U+302D U+E0100", FontStyle(), &runs);
}
TEST_F(FontCollectionItemizeTest, itemize_fakery) {
MinikinAutoUnref<FontCollection> collection(getFontCollection(kTestFontDir, kItemizeFontXml));
std::vector<FontCollection::Run> runs;
FontStyle kJABoldStyle = FontStyle(FontStyle::registerLanguageList("ja_JP"), 0, 7, false);
FontStyle kJAItalicStyle = FontStyle(FontStyle::registerLanguageList("ja_JP"), 0, 5, true);
FontStyle kJABoldItalicStyle =
FontStyle(FontStyle::registerLanguageList("ja_JP"), 0, 7, true);
// Currently there is no italic or bold font for Japanese. FontFakery has
// the differences between desired and actual font style.
// All Japanese Hiragana characters.
itemize(collection.get(), "U+3042 U+3044 U+3046 U+3048 U+304A", kJABoldStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(5, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[0]));
EXPECT_TRUE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeItalic());
// All Japanese Hiragana characters.
itemize(collection.get(), "U+3042 U+3044 U+3046 U+3048 U+304A", kJAItalicStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(5, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[0]));
EXPECT_FALSE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_TRUE(runs[0].fakedFont.fakery.isFakeItalic());
// All Japanese Hiragana characters.
itemize(collection.get(), "U+3042 U+3044 U+3046 U+3048 U+304A", kJABoldItalicStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(5, runs[0].end);
EXPECT_EQ(kJAFont, getFontPath(runs[0]));
EXPECT_TRUE(runs[0].fakedFont.fakery.isFakeBold());
EXPECT_TRUE(runs[0].fakedFont.fakery.isFakeItalic());
}
TEST_F(FontCollectionItemizeTest, itemize_vs_sequence_but_no_base_char) {
// kVSTestFont supports U+717D U+FE02 but doesn't support U+717D.
// kVSTestFont should be selected for U+717D U+FE02 even if it does not support the base code
// point.
const std::string kVSTestFont = kTestFontDir "VarioationSelectorTest-Regular.ttf";
std::vector<android::FontFamily*> families;
FontFamily* family1 = new FontFamily(android::VARIANT_DEFAULT);
family1->addFont(new MinikinFontForTest(kLatinFont));
families.push_back(family1);
FontFamily* family2 = new FontFamily(android::VARIANT_DEFAULT);
family2->addFont(new MinikinFontForTest(kVSTestFont));
families.push_back(family2);
FontCollection collection(families);
std::vector<FontCollection::Run> runs;
itemize(&collection, "U+717D U+FE02", FontStyle(), &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kVSTestFont, getFontPath(runs[0]));
family1->Unref();
family2->Unref();
}
TEST_F(FontCollectionItemizeTest, itemize_LanguageScore) {
struct TestCase {
std::string userPreferredLanguages;
std::vector<std::string> fontLanguages;
int selectedFontIndex;
} testCases[] = {
// Font can specify empty language.
{ "und", { "", "" }, 0 },
{ "und", { "", "en-Latn" }, 0 },
{ "en-Latn", { "", "" }, 0 },
{ "en-Latn", { "", "en-Latn" }, 1 },
// Single user preferred language.
// Exact match case
{ "en-Latn", { "en-Latn", "ja-Jpan" }, 0 },
{ "ja-Jpan", { "en-Latn", "ja-Jpan" }, 1 },
{ "en-Latn", { "en-Latn", "nl-Latn", "es-Latn" }, 0 },
{ "nl-Latn", { "en-Latn", "nl-Latn", "es-Latn" }, 1 },
{ "es-Latn", { "en-Latn", "nl-Latn", "es-Latn" }, 2 },
{ "es-Latn", { "en-Latn", "en-Latn", "nl-Latn" }, 0 },
// Exact script match case
{ "en-Latn", { "nl-Latn", "e-Latn" }, 0 },
{ "en-Arab", { "nl-Latn", "ar-Arab" }, 1 },
{ "en-Latn", { "be-Latn", "ar-Arab", "d-Beng" }, 0 },
{ "en-Arab", { "be-Latn", "ar-Arab", "d-Beng" }, 1 },
{ "en-Beng", { "be-Latn", "ar-Arab", "d-Beng" }, 2 },
{ "en-Beng", { "be-Latn", "ar-Beng", "d-Beng" }, 1 },
{ "zh-Hant", { "zh-Hant", "zh-Hans" }, 0 },
{ "zh-Hans", { "zh-Hant", "zh-Hans" }, 1 },
// Subscript match case, e.g. Jpan supports Hira.
{ "en-Hira", { "ja-Jpan" }, 0 },
{ "zh-Hani", { "zh-Hans", "zh-Hant" }, 0 },
{ "zh-Hani", { "zh-Hant", "zh-Hans" }, 0 },
{ "en-Hira", { "zh-Hant", "ja-Jpan", "ja-Jpan" }, 1 },
// Language match case
{ "ja-Latn", { "zh-Latn", "ja-Latn" }, 1 },
{ "zh-Latn", { "zh-Latn", "ja-Latn" }, 0 },
{ "ja-Latn", { "zh-Latn", "ja-Latn" }, 1 },
{ "ja-Latn", { "zh-Latn", "ja-Latn", "ja-Latn" }, 1 },
// Mixed case
// Script/subscript match is strongest.
{ "ja-Jpan", { "en-Latn", "ja-Latn", "en-Jpan" }, 2 },
{ "ja-Hira", { "en-Latn", "ja-Latn", "en-Jpan" }, 2 },
{ "ja-Hira", { "en-Latn", "ja-Latn", "en-Jpan", "en-Jpan" }, 2 },
// Language match only happens if the script matches.
{ "ja-Hira", { "en-Latn", "ja-Latn" }, 0 },
{ "ja-Hira", { "en-Jpan", "ja-Jpan" }, 1 },
// Multiple languages.
// Even if all fonts have the same score, use the 2nd language for better selection.
{ "en-Latn,ja-Jpan", { "zh-Hant", "zh-Hans", "ja-Jpan" }, 2 },
{ "en-Latn,nl-Latn", { "es-Latn", "be-Latn", "nl-Latn" }, 2 },
{ "en-Latn,br-Latn,nl-Latn", { "es-Latn", "be-Latn", "nl-Latn" }, 2 },
{ "en-Latn,br-Latn,nl-Latn", { "es-Latn", "be-Latn", "nl-Latn", "nl-Latn" }, 2 },
// Script score.
{ "en-Latn,ja-Jpan", { "en-Arab", "en-Jpan" }, 1 },
{ "en-Latn,ja-Jpan", { "en-Arab", "en-Jpan", "en-Jpan" }, 1 },
// Language match case
{ "en-Latn,ja-Latn", { "bd-Latn", "ja-Latn" }, 1 },
{ "en-Latn,ja-Latn", { "bd-Latn", "ja-Latn", "ja-Latn" }, 1 },
// Language match only happens if the script matches.
{ "en-Latn,ar-Arab", { "en-Beng", "ar-Arab" }, 1 },
// Multiple languages in the font settings.
{ "ko-Jamo", { "ja-Jpan", "ko-Kore", "ko-Kore,ko-Jamo"}, 2 },
{ "en-Latn", { "ja-Jpan", "en-Latn,ja-Jpan"}, 1 },
{ "en-Latn", { "ja-Jpan", "ja-Jpan,en-Latn"}, 1 },
{ "en-Latn", { "ja-Jpan,zh-Hant", "en-Latn,ja-Jpan", "en-Latn"}, 1 },
{ "en-Latn", { "zh-Hant,ja-Jpan", "ja-Jpan,en-Latn", "en-Latn"}, 1 },
// Kore = Hang + Hani, etc.
{ "ko-Kore", { "ko-Hang", "ko-Jamo,ko-Hani", "ko-Hang,ko-Hani"}, 2 },
{ "ja-Hrkt", { "ja-Hira", "ja-Kana", "ja-Hira,ja-Kana"}, 2 },
{ "ja-Jpan", { "ja-Hira", "ja-Kana", "ja-Hani", "ja-Hira,ja-Kana,ja-Hani"}, 3 },
{ "zh-Hanb", { "zh-Hant", "zh-Bopo", "zh-Hant,zh-Bopo"}, 2 },
{ "zh-Hanb", { "ja-Hanb", "zh-Hant,zh-Bopo"}, 1 },
// Language match with unified subscript bits.
{ "zh-Hanb", { "zh-Hant", "zh-Bopo", "ja-Hant,ja-Bopo", "zh-Hant,zh-Bopo"}, 3 },
{ "zh-Hanb", { "zh-Hant", "zh-Bopo", "ja-Hant,zh-Bopo", "zh-Hant,zh-Bopo"}, 3 },
};
for (auto testCase : testCases) {
std::string fontLanguagesStr = "{";
for (size_t i = 0; i < testCase.fontLanguages.size(); ++i) {
if (i != 0) {
fontLanguagesStr += ", ";
}
fontLanguagesStr += "\"" + testCase.fontLanguages[i] + "\"";
}
fontLanguagesStr += "}";
SCOPED_TRACE("Test of user preferred languages: \"" + testCase.userPreferredLanguages +
"\" with font languages: " + fontLanguagesStr);
std::vector<FontFamily*> families;
// Prepare first font which doesn't supports U+9AA8
FontFamily* firstFamily = new FontFamily(
FontStyle::registerLanguageList("und"), 0 /* variant */);
MinikinFont* firstFamilyMinikinFont = new MinikinFontForTest(kNoGlyphFont);
firstFamily->addFont(firstFamilyMinikinFont);
families.push_back(firstFamily);
// Prepare font families
// Each font family is associated with a specified language. All font families except for
// the first font support U+9AA8.
std::unordered_map<MinikinFont*, int> fontLangIdxMap;
for (size_t i = 0; i < testCase.fontLanguages.size(); ++i) {
FontFamily* family = new FontFamily(
FontStyle::registerLanguageList(testCase.fontLanguages[i]), 0 /* variant */);
MinikinFont* minikin_font = new MinikinFontForTest(kJAFont);
family->addFont(minikin_font);
families.push_back(family);
fontLangIdxMap.insert(std::make_pair(minikin_font, i));
}
FontCollection collection(families);
for (auto family : families) {
family->Unref();
}
// Do itemize
const FontStyle style = FontStyle(
FontStyle::registerLanguageList(testCase.userPreferredLanguages));
std::vector<FontCollection::Run> runs;
itemize(&collection, "U+9AA8", style, &runs);
ASSERT_EQ(1U, runs.size());
ASSERT_NE(nullptr, runs[0].fakedFont.font);
// First family doesn't support U+9AA8 and others support it, so the first font should not
// be selected.
EXPECT_NE(firstFamilyMinikinFont, runs[0].fakedFont.font);
// Lookup used font family by MinikinFont*.
const int usedLangIndex = fontLangIdxMap[runs[0].fakedFont.font];
EXPECT_EQ(testCase.selectedFontIndex, usedLangIndex);
}
}
TEST_F(FontCollectionItemizeTest, itemize_LanguageAndCoverage) {
struct TestCase {
std::string testString;
std::string requestedLanguages;
std::string expectedFont;
} testCases[] = {
// Following test cases verify that following rules in font fallback chain.
// - If the first font in the collection supports the given character or variation sequence,
// it should be selected.
// - If the font doesn't support the given character, variation sequence or its base
// character, it should not be selected.
// - If two or more fonts match the requested languages, the font matches with the highest
// priority language should be selected.
// - If two or more fonts get the same score, the font listed earlier in the XML file
// (here, kItemizeFontXml) should be selected.
// Regardless of language, the first font is always selected if it covers the code point.
{ "'a'", "", kLatinFont},
{ "'a'", "en-Latn", kLatinFont},
{ "'a'", "ja-Jpan", kLatinFont},
{ "'a'", "ja-Jpan,en-Latn", kLatinFont},
{ "'a'", "zh-Hans,zh-Hant,en-Latn,ja-Jpan,fr-Latn", kLatinFont},
// U+81ED is supported by both the ja font and zh-Hans font.
{ "U+81ED", "", kZH_HansFont }, // zh-Hans font is listed before ja font.
{ "U+81ED", "en-Latn", kZH_HansFont }, // zh-Hans font is listed before ja font.
{ "U+81ED", "ja-Jpan", kJAFont },
{ "U+81ED", "zh-Hans", kZH_HansFont },
{ "U+81ED", "ja-Jpan,en-Latn", kJAFont },
{ "U+81ED", "en-Latn,ja-Jpan", kJAFont },
{ "U+81ED", "en-Latn,zh-Hans", kZH_HansFont },
{ "U+81ED", "zh-Hans,en-Latn", kZH_HansFont },
{ "U+81ED", "ja-Jpan,zh-Hans", kJAFont },
{ "U+81ED", "zh-Hans,ja-Jpan", kZH_HansFont },
{ "U+81ED", "en-Latn,zh-Hans,ja-Jpan", kZH_HansFont },
{ "U+81ED", "en-Latn,ja-Jpan,zh-Hans", kJAFont },
{ "U+81ED", "en-Latn,zh-Hans,ja-Jpan", kZH_HansFont },
{ "U+81ED", "ja-Jpan,en-Latn,zh-Hans", kJAFont },
{ "U+81ED", "ja-Jpan,zh-Hans,en-Latn", kJAFont },
{ "U+81ED", "zh-Hans,en-Latn,ja-Jpan", kZH_HansFont },
{ "U+81ED", "zh-Hans,ja-Jpan,en-Latn", kZH_HansFont },
// U+304A is only supported by ja font.
{ "U+304A", "", kJAFont },
{ "U+304A", "ja-Jpan", kJAFont },
{ "U+304A", "zh-Hant", kJAFont },
{ "U+304A", "zh-Hans", kJAFont },
{ "U+304A", "ja-Jpan,zh-Hant", kJAFont },
{ "U+304A", "zh-Hant,ja-Jpan", kJAFont },
{ "U+304A", "zh-Hans,zh-Hant", kJAFont },
{ "U+304A", "zh-Hant,zh-Hans", kJAFont },
{ "U+304A", "zh-Hans,ja-Jpan", kJAFont },
{ "U+304A", "ja-Jpan,zh-Hans", kJAFont },
{ "U+304A", "zh-Hans,ja-Jpan,zh-Hant", kJAFont },
{ "U+304A", "zh-Hans,zh-Hant,ja-Jpan", kJAFont },
{ "U+304A", "ja-Jpan,zh-Hans,zh-Hant", kJAFont },
{ "U+304A", "ja-Jpan,zh-Hant,zh-Hans", kJAFont },
{ "U+304A", "zh-Hant,zh-Hans,ja-Jpan", kJAFont },
{ "U+304A", "zh-Hant,ja-Jpan,zh-Hans", kJAFont },
// U+242EE is supported by both ja font and zh-Hant fonts but not by zh-Hans font.
{ "U+242EE", "", kJAFont }, // ja font is listed before zh-Hant font.
{ "U+242EE", "ja-Jpan", kJAFont },
{ "U+242EE", "zh-Hans", kJAFont },
{ "U+242EE", "zh-Hant", kZH_HantFont },
{ "U+242EE", "ja-Jpan,zh-Hant", kJAFont },
{ "U+242EE", "zh-Hant,ja-Jpan", kZH_HantFont },
{ "U+242EE", "zh-Hans,zh-Hant", kZH_HantFont },
{ "U+242EE", "zh-Hant,zh-Hans", kZH_HantFont },
{ "U+242EE", "zh-Hans,ja-Jpan", kJAFont },
{ "U+242EE", "ja-Jpan,zh-Hans", kJAFont },
{ "U+242EE", "zh-Hans,ja-Jpan,zh-Hant", kJAFont },
{ "U+242EE", "zh-Hans,zh-Hant,ja-Jpan", kZH_HantFont },
{ "U+242EE", "ja-Jpan,zh-Hans,zh-Hant", kJAFont },
{ "U+242EE", "ja-Jpan,zh-Hant,zh-Hans", kJAFont },
{ "U+242EE", "zh-Hant,zh-Hans,ja-Jpan", kZH_HantFont },
{ "U+242EE", "zh-Hant,ja-Jpan,zh-Hans", kZH_HantFont },
// U+9AA8 is supported by all ja-Jpan, zh-Hans, zh-Hant fonts.
{ "U+9AA8", "", kZH_HansFont }, // zh-Hans font is listed before ja and zh-Hant fonts.
{ "U+9AA8", "ja-Jpan", kJAFont },
{ "U+9AA8", "zh-Hans", kZH_HansFont },
{ "U+9AA8", "zh-Hant", kZH_HantFont },
{ "U+9AA8", "ja-Jpan,zh-Hant", kJAFont },
{ "U+9AA8", "zh-Hant,ja-Jpan", kZH_HantFont },
{ "U+9AA8", "zh-Hans,zh-Hant", kZH_HansFont },
{ "U+9AA8", "zh-Hant,zh-Hans", kZH_HantFont },
{ "U+9AA8", "zh-Hans,ja-Jpan", kZH_HansFont },
{ "U+9AA8", "ja-Jpan,zh-Hans", kJAFont },
{ "U+9AA8", "zh-Hans,ja-Jpan,zh-Hant", kZH_HansFont },
{ "U+9AA8", "zh-Hans,zh-Hant,ja-Jpan", kZH_HansFont },
{ "U+9AA8", "ja-Jpan,zh-Hans,zh-Hant", kJAFont },
{ "U+9AA8", "ja-Jpan,zh-Hant,zh-Hans", kJAFont },
{ "U+9AA8", "zh-Hant,zh-Hans,ja-Jpan", kZH_HantFont },
{ "U+9AA8", "zh-Hant,ja-Jpan,zh-Hans", kZH_HantFont },
// U+242EE U+FE00 is supported by ja font but not by zh-Hans or zh-Hant fonts.
{ "U+242EE U+FE00", "", kJAFont },
{ "U+242EE U+FE00", "ja-Jpan", kJAFont },
{ "U+242EE U+FE00", "zh-Hant", kJAFont },
{ "U+242EE U+FE00", "zh-Hans", kJAFont },
{ "U+242EE U+FE00", "ja-Jpan,zh-Hant", kJAFont },
{ "U+242EE U+FE00", "zh-Hant,ja-Jpan", kJAFont },
{ "U+242EE U+FE00", "zh-Hans,zh-Hant", kJAFont },
{ "U+242EE U+FE00", "zh-Hant,zh-Hans", kJAFont },
{ "U+242EE U+FE00", "zh-Hans,ja-Jpan", kJAFont },
{ "U+242EE U+FE00", "ja-Jpan,zh-Hans", kJAFont },
{ "U+242EE U+FE00", "zh-Hans,ja-Jpan,zh-Hant", kJAFont },
{ "U+242EE U+FE00", "zh-Hans,zh-Hant,ja-Jpan", kJAFont },
{ "U+242EE U+FE00", "ja-Jpan,zh-Hans,zh-Hant", kJAFont },
{ "U+242EE U+FE00", "ja-Jpan,zh-Hant,zh-Hans", kJAFont },
{ "U+242EE U+FE00", "zh-Hant,zh-Hans,ja-Jpan", kJAFont },
{ "U+242EE U+FE00", "zh-Hant,ja-Jpan,zh-Hans", kJAFont },
// U+3402 U+E0100 is supported by both zh-Hans and zh-Hant but not by ja font.
{ "U+3402 U+E0100", "", kZH_HansFont }, // zh-Hans font is listed before zh-Hant font.
{ "U+3402 U+E0100", "ja-Jpan", kZH_HansFont }, // zh-Hans font is listed before zh-Hant font.
{ "U+3402 U+E0100", "zh-Hant", kZH_HantFont },
{ "U+3402 U+E0100", "zh-Hans", kZH_HansFont },
{ "U+3402 U+E0100", "ja-Jpan,zh-Hant", kZH_HantFont },
{ "U+3402 U+E0100", "zh-Hant,ja-Jpan", kZH_HantFont },
{ "U+3402 U+E0100", "zh-Hans,zh-Hant", kZH_HansFont },
{ "U+3402 U+E0100", "zh-Hant,zh-Hans", kZH_HantFont },
{ "U+3402 U+E0100", "zh-Hans,ja-Jpan", kZH_HansFont },
{ "U+3402 U+E0100", "ja-Jpan,zh-Hans", kZH_HansFont },
{ "U+3402 U+E0100", "zh-Hans,ja-Jpan,zh-Hant", kZH_HansFont },
{ "U+3402 U+E0100", "zh-Hans,zh-Hant,ja-Jpan", kZH_HansFont },
{ "U+3402 U+E0100", "ja-Jpan,zh-Hans,zh-Hant", kZH_HansFont },
{ "U+3402 U+E0100", "ja-Jpan,zh-Hant,zh-Hans", kZH_HantFont },
{ "U+3402 U+E0100", "zh-Hant,zh-Hans,ja-Jpan", kZH_HantFont },
{ "U+3402 U+E0100", "zh-Hant,ja-Jpan,zh-Hans", kZH_HantFont },
// No font supports U+4444 U+FE00 but only zh-Hans supports its base character U+4444.
{ "U+4444 U+FE00", "", kZH_HansFont },
{ "U+4444 U+FE00", "ja-Jpan", kZH_HansFont },
{ "U+4444 U+FE00", "zh-Hant", kZH_HansFont },
{ "U+4444 U+FE00", "zh-Hans", kZH_HansFont },
{ "U+4444 U+FE00", "ja-Jpan,zh-Hant", kZH_HansFont },
{ "U+4444 U+FE00", "zh-Hant,ja-Jpan", kZH_HansFont },
{ "U+4444 U+FE00", "zh-Hans,zh-Hant", kZH_HansFont },
{ "U+4444 U+FE00", "zh-Hant,zh-Hans", kZH_HansFont },
{ "U+4444 U+FE00", "zh-Hans,ja-Jpan", kZH_HansFont },
{ "U+4444 U+FE00", "ja-Jpan,zh-Hans", kZH_HansFont },
{ "U+4444 U+FE00", "zh-Hans,ja-Jpan,zh-Hant", kZH_HansFont },
{ "U+4444 U+FE00", "zh-Hans,zh-Hant,ja-Jpan", kZH_HansFont },
{ "U+4444 U+FE00", "ja-Jpan,zh-Hans,zh-Hant", kZH_HansFont },
{ "U+4444 U+FE00", "ja-Jpan,zh-Hant,zh-Hans", kZH_HansFont },
{ "U+4444 U+FE00", "zh-Hant,zh-Hans,ja-Jpan", kZH_HansFont },
{ "U+4444 U+FE00", "zh-Hant,ja-Jpan,zh-Hans", kZH_HansFont },
// No font supports U+81ED U+E0100 but ja and zh-Hans support its base character U+81ED.
// zh-Hans font is listed before ja font.
{ "U+81ED U+E0100", "", kZH_HansFont },
{ "U+81ED U+E0100", "ja-Jpan", kJAFont },
{ "U+81ED U+E0100", "zh-Hant", kZH_HansFont },
{ "U+81ED U+E0100", "zh-Hans", kZH_HansFont },
{ "U+81ED U+E0100", "ja-Jpan,zh-Hant", kJAFont },
{ "U+81ED U+E0100", "zh-Hant,ja-Jpan", kJAFont },
{ "U+81ED U+E0100", "zh-Hans,zh-Hant", kZH_HansFont },
{ "U+81ED U+E0100", "zh-Hant,zh-Hans", kZH_HansFont },
{ "U+81ED U+E0100", "zh-Hans,ja-Jpan", kZH_HansFont },
{ "U+81ED U+E0100", "ja-Jpan,zh-Hans", kJAFont },
{ "U+81ED U+E0100", "zh-Hans,ja-Jpan,zh-Hant", kZH_HansFont },
{ "U+81ED U+E0100", "zh-Hans,zh-Hant,ja-Jpan", kZH_HansFont },
{ "U+81ED U+E0100", "ja-Jpan,zh-Hans,zh-Hant", kJAFont },
{ "U+81ED U+E0100", "ja-Jpan,zh-Hant,zh-Hans", kJAFont },
{ "U+81ED U+E0100", "zh-Hant,zh-Hans,ja-Jpan", kZH_HansFont },
{ "U+81ED U+E0100", "zh-Hant,ja-Jpan,zh-Hans", kJAFont },
// No font supports U+9AA8 U+E0100 but all zh-Hans zh-hant ja fonts support its base
// character U+9AA8.
// zh-Hans font is listed before ja and zh-Hant fonts.
{ "U+9AA8 U+E0100", "", kZH_HansFont },
{ "U+9AA8 U+E0100", "ja-Jpan", kJAFont },
{ "U+9AA8 U+E0100", "zh-Hans", kZH_HansFont },
{ "U+9AA8 U+E0100", "zh-Hant", kZH_HantFont },
{ "U+9AA8 U+E0100", "ja-Jpan,zh-Hant", kJAFont },
{ "U+9AA8 U+E0100", "zh-Hant,ja-Jpan", kZH_HantFont },
{ "U+9AA8 U+E0100", "zh-Hans,zh-Hant", kZH_HansFont },
{ "U+9AA8 U+E0100", "zh-Hant,zh-Hans", kZH_HantFont },
{ "U+9AA8 U+E0100", "zh-Hans,ja-Jpan", kZH_HansFont },
{ "U+9AA8 U+E0100", "ja-Jpan,zh-Hans", kJAFont },
{ "U+9AA8 U+E0100", "zh-Hans,ja-Jpan,zh-Hant", kZH_HansFont },
{ "U+9AA8 U+E0100", "zh-Hans,zh-Hant,ja-Jpan", kZH_HansFont },
{ "U+9AA8 U+E0100", "ja-Jpan,zh-Hans,zh-Hant", kJAFont },
{ "U+9AA8 U+E0100", "ja-Jpan,zh-Hant,zh-Hans", kJAFont },
{ "U+9AA8 U+E0100", "zh-Hant,zh-Hans,ja-Jpan", kZH_HantFont },
{ "U+9AA8 U+E0100", "zh-Hant,ja-Jpan,zh-Hans", kZH_HantFont },
// All zh-Hans,zh-Hant,ja fonts support U+35A8 U+E0100 and its base character U+35A8.
// zh-Hans font is listed before ja and zh-Hant fonts.
{ "U+35A8", "", kZH_HansFont },
{ "U+35A8", "ja-Jpan", kJAFont },
{ "U+35A8", "zh-Hans", kZH_HansFont },
{ "U+35A8", "zh-Hant", kZH_HantFont },
{ "U+35A8", "ja-Jpan,zh-Hant", kJAFont },
{ "U+35A8", "zh-Hant,ja-Jpan", kZH_HantFont },
{ "U+35A8", "zh-Hans,zh-Hant", kZH_HansFont },
{ "U+35A8", "zh-Hant,zh-Hans", kZH_HantFont },
{ "U+35A8", "zh-Hans,ja-Jpan", kZH_HansFont },
{ "U+35A8", "ja-Jpan,zh-Hans", kJAFont },
{ "U+35A8", "zh-Hans,ja-Jpan,zh-Hant", kZH_HansFont },
{ "U+35A8", "zh-Hans,zh-Hant,ja-Jpan", kZH_HansFont },
{ "U+35A8", "ja-Jpan,zh-Hans,zh-Hant", kJAFont },
{ "U+35A8", "ja-Jpan,zh-Hant,zh-Hans", kJAFont },
{ "U+35A8", "zh-Hant,zh-Hans,ja-Jpan", kZH_HantFont },
{ "U+35A8", "zh-Hant,ja-Jpan,zh-Hans", kZH_HantFont },
// All zh-Hans,zh-Hant,ja fonts support U+35B6 U+E0100, but zh-Hant and ja fonts support its
// base character U+35B6.
// ja font is listed before zh-Hant font.
{ "U+35B6", "", kJAFont },
{ "U+35B6", "ja-Jpan", kJAFont },
{ "U+35B6", "zh-Hant", kZH_HantFont },
{ "U+35B6", "zh-Hans", kJAFont },
{ "U+35B6", "ja-Jpan,zh-Hant", kJAFont },
{ "U+35B6", "zh-Hant,ja-Jpan", kZH_HantFont },
{ "U+35B6", "zh-Hans,zh-Hant", kZH_HantFont },
{ "U+35B6", "zh-Hant,zh-Hans", kZH_HantFont },
{ "U+35B6", "zh-Hans,ja-Jpan", kJAFont },
{ "U+35B6", "ja-Jpan,zh-Hans", kJAFont },
{ "U+35B6", "zh-Hans,ja-Jpan,zh-Hant", kJAFont },
{ "U+35B6", "zh-Hans,zh-Hant,ja-Jpan", kZH_HantFont },
{ "U+35B6", "ja-Jpan,zh-Hans,zh-Hant", kJAFont },
{ "U+35B6", "ja-Jpan,zh-Hant,zh-Hans", kJAFont },
{ "U+35B6", "zh-Hant,zh-Hans,ja-Jpan", kZH_HantFont },
{ "U+35B6", "zh-Hant,ja-Jpan,zh-Hans", kZH_HantFont },
// All zh-Hans,zh-Hant,ja fonts support U+35C5 U+E0100, but only ja font supports its base
// character U+35C5.
{ "U+35C5", "", kJAFont },
{ "U+35C5", "ja-Jpan", kJAFont },
{ "U+35C5", "zh-Hant", kJAFont },
{ "U+35C5", "zh-Hans", kJAFont },
{ "U+35C5", "ja-Jpan,zh-Hant", kJAFont },
{ "U+35C5", "zh-Hant,ja-Jpan", kJAFont },
{ "U+35C5", "zh-Hans,zh-Hant", kJAFont },
{ "U+35C5", "zh-Hant,zh-Hans", kJAFont },
{ "U+35C5", "zh-Hans,ja-Jpan", kJAFont },
{ "U+35C5", "ja-Jpan,zh-Hans", kJAFont },
{ "U+35C5", "zh-Hans,ja-Jpan,zh-Hant", kJAFont },
{ "U+35C5", "zh-Hans,zh-Hant,ja-Jpan", kJAFont },
{ "U+35C5", "ja-Jpan,zh-Hans,zh-Hant", kJAFont },
{ "U+35C5", "ja-Jpan,zh-Hant,zh-Hans", kJAFont },
{ "U+35C5", "zh-Hant,zh-Hans,ja-Jpan", kJAFont },
{ "U+35C5", "zh-Hant,ja-Jpan,zh-Hans", kJAFont },
// None of ja-Jpan, zh-Hant, zh-Hans font supports U+1F469. Emoji font supports it.
{ "U+1F469", "", kEmojiFont },
{ "U+1F469", "ja-Jpan", kEmojiFont },
{ "U+1F469", "zh-Hant", kEmojiFont },
{ "U+1F469", "zh-Hans", kEmojiFont },
{ "U+1F469", "ja-Jpan,zh-Hant", kEmojiFont },
{ "U+1F469", "zh-Hant,ja-Jpan", kEmojiFont },
{ "U+1F469", "zh-Hans,zh-Hant", kEmojiFont },
{ "U+1F469", "zh-Hant,zh-Hans", kEmojiFont },
{ "U+1F469", "zh-Hans,ja-Jpan", kEmojiFont },
{ "U+1F469", "ja-Jpan,zh-Hans", kEmojiFont },
{ "U+1F469", "zh-Hans,ja-Jpan,zh-Hant", kEmojiFont },
{ "U+1F469", "zh-Hans,zh-Hant,ja-Jpan", kEmojiFont },
{ "U+1F469", "ja-Jpan,zh-Hans,zh-Hant", kEmojiFont },
{ "U+1F469", "ja-Jpan,zh-Hant,zh-Hans", kEmojiFont },
{ "U+1F469", "zh-Hant,zh-Hans,ja-Jpan", kEmojiFont },
{ "U+1F469", "zh-Hant,ja-Jpan,zh-Hans", kEmojiFont },
};
MinikinAutoUnref<FontCollection> collection(getFontCollection(kTestFontDir, kItemizeFontXml));
for (auto testCase : testCases) {
SCOPED_TRACE("Test for \"" + testCase.testString + "\" with languages " +
testCase.requestedLanguages);
std::vector<FontCollection::Run> runs;
const FontStyle style =
FontStyle(FontStyle::registerLanguageList(testCase.requestedLanguages));
itemize(collection.get(), testCase.testString.c_str(), style, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(testCase.expectedFont, getFontPath(runs[0]));
}
}
TEST_F(FontCollectionItemizeTest, itemize_emojiSelection_withFE0E) {
MinikinAutoUnref<FontCollection> collection(getFontCollection(kTestFontDir, kEmojiXmlFile));
std::vector<FontCollection::Run> runs;
const FontStyle kDefaultFontStyle;
// U+00A9 is a text default emoji which is only available in TextEmojiFont.ttf.
// TextEmojiFont.ttf should be selected.
itemize(collection.get(), "U+00A9 U+FE0E", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kTextEmojiFont, getFontPath(runs[0]));
// U+00A9 is a text default emoji which is only available in ColorEmojiFont.ttf.
// ColorEmojiFont.ttf should be selected.
itemize(collection.get(), "U+00AE U+FE0E", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
// Text emoji is specified but it is not available. Use color emoji instead.
EXPECT_EQ(kColorEmojiFont, getFontPath(runs[0]));
// U+203C is a text default emoji which is available in both TextEmojiFont.ttf and
// ColorEmojiFont.ttf. TextEmojiFont.ttf should be selected.
itemize(collection.get(), "U+203C U+FE0E", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kTextEmojiFont, getFontPath(runs[0]));
// U+2049 is a text default emoji which is not available either TextEmojiFont.ttf or
// ColorEmojiFont.ttf. No font should be selected.
itemize(collection.get(), "U+2049 U+FE0E", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kNoGlyphFont, getFontPath(runs[0]));
// U+231A is a emoji default emoji which is available only in TextEmojifFont.
// TextEmojiFont.ttf sohuld be selected.
itemize(collection.get(), "U+231A U+FE0E", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kTextEmojiFont, getFontPath(runs[0]));
// U+231B is a emoji default emoji which is available only in ColorEmojiFont.ttf.
// ColorEmojiFont.ttf should be selected.
itemize(collection.get(), "U+231B U+FE0E", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
// Text emoji is specified but it is not available. Use color emoji instead.
EXPECT_EQ(kColorEmojiFont, getFontPath(runs[0]));
// U+23E9 is a emoji default emoji which is available in both TextEmojiFont.ttf and
// ColorEmojiFont.ttf. TextEmojiFont.ttf should be selected even if U+23E9 is emoji default
// emoji since U+FE0E is appended.
itemize(collection.get(), "U+23E9 U+FE0E", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kTextEmojiFont, getFontPath(runs[0]));
// U+23EA is a emoji default emoji but which is not available in either TextEmojiFont.ttf or
// ColorEmojiFont.ttf. No font should be selected.
itemize(collection.get(), "U+23EA U+FE0E", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kNoGlyphFont, getFontPath(runs[0]));
// U+26FA U+FE0E is specified but ColorTextMixedEmojiFont has a variation sequence U+26F9 U+FE0F
// in its cmap, so ColorTextMixedEmojiFont should be selected instaed of ColorEmojiFont.
itemize(collection.get(), "U+26FA U+FE0E", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kMixedEmojiFont, getFontPath(runs[0]));
}
TEST_F(FontCollectionItemizeTest, itemize_emojiSelection_withFE0F) {
MinikinAutoUnref<FontCollection> collection(getFontCollection(kTestFontDir, kEmojiXmlFile));
std::vector<FontCollection::Run> runs;
const FontStyle kDefaultFontStyle;
// U+00A9 is a text default emoji which is available only in TextEmojiFont.ttf.
// TextEmojiFont.ttf shoudl be selected.
itemize(collection.get(), "U+00A9 U+FE0F", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
// Color emoji is specified but it is not available. Use text representaion instead.
EXPECT_EQ(kTextEmojiFont, getFontPath(runs[0]));
// U+00AE is a text default emoji which is available only in ColorEmojiFont.ttf.
// ColorEmojiFont.ttf should be selected.
itemize(collection.get(), "U+00AE U+FE0F", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kColorEmojiFont, getFontPath(runs[0]));
// U+203C is a text default emoji which is available in both TextEmojiFont.ttf and
// ColorEmojiFont.ttf. ColorEmojiFont.ttf should be selected even if U+203C is a text default
// emoji since U+FF0F is appended.
itemize(collection.get(), "U+203C U+FE0F", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kColorEmojiFont, getFontPath(runs[0]));
// U+2049 is a text default emoji which is not available in either TextEmojiFont.ttf or
// ColorEmojiFont.ttf. No font should be selected.
itemize(collection.get(), "U+2049 U+FE0F", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kNoGlyphFont, getFontPath(runs[0]));
// U+231A is a emoji default emoji which is available only in TextEmojiFont.ttf.
// TextEmojiFont.ttf should be selected.
itemize(collection.get(), "U+231A U+FE0F", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
// Color emoji is specified but it is not available. Use text representation instead.
EXPECT_EQ(kTextEmojiFont, getFontPath(runs[0]));
// U+231B is a emoji default emoji which is available only in ColorEmojiFont.ttf.
// ColorEmojiFont.ttf should be selected.
itemize(collection.get(), "U+231B U+FE0F", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kColorEmojiFont, getFontPath(runs[0]));
// U+23E9 is a emoji default emoji which is available in both TextEmojiFont.ttf and
// ColorEmojiFont.ttf. ColorEmojiFont.ttf should be selected.
itemize(collection.get(), "U+23E9 U+FE0F", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kColorEmojiFont, getFontPath(runs[0]));
// U+23EA is a emoji default emoji which is not available in either TextEmojiFont.ttf or
// ColorEmojiFont.ttf. No font should be selected.
itemize(collection.get(), "U+23EA U+FE0F", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kNoGlyphFont, getFontPath(runs[0]));
// U+26F9 U+FE0F is specified but ColorTextMixedEmojiFont has a variation sequence U+26F9 U+FE0F
// in its cmap, so ColorTextMixedEmojiFont should be selected instaed of ColorEmojiFont.
itemize(collection.get(), "U+26F9 U+FE0F", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kMixedEmojiFont, getFontPath(runs[0]));
}
TEST_F(FontCollectionItemizeTest, itemize_emojiSelection_with_skinTone) {
MinikinAutoUnref<FontCollection> collection(getFontCollection(kTestFontDir, kEmojiXmlFile));
std::vector<FontCollection::Run> runs;
const FontStyle kDefaultFontStyle;
// TextEmoji font is selected since it is listed before ColorEmoji font.
itemize(collection.get(), "U+261D", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(1, runs[0].end);
EXPECT_EQ(kTextEmojiFont, getFontPath(runs[0]));
// If skin tone is specified, it should be colored.
itemize(collection.get(), "U+261D U+1F3FD", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(3, runs[0].end);
EXPECT_EQ(kColorEmojiFont, getFontPath(runs[0]));
// Still color font is selected if an emoji variation selector is specified.
itemize(collection.get(), "U+261D U+FE0F U+1F3FD", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(4, runs[0].end);
EXPECT_EQ(kColorEmojiFont, getFontPath(runs[0]));
// Text font should be selected if a text variation selector is specified and skin tone is
// rendered by itself.
itemize(collection.get(), "U+261D U+FE0E U+1F3FD", kDefaultFontStyle, &runs);
ASSERT_EQ(2U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kTextEmojiFont, getFontPath(runs[0]));
EXPECT_EQ(2, runs[1].start);
EXPECT_EQ(4, runs[1].end);
EXPECT_EQ(kColorEmojiFont, getFontPath(runs[1]));
}
TEST_F(FontCollectionItemizeTest, itemize_PrivateUseArea) {
MinikinAutoUnref<FontCollection> collection(getFontCollection(kTestFontDir, kEmojiXmlFile));
std::vector<FontCollection::Run> runs;
const FontStyle kDefaultFontStyle;
// Should not set nullptr to the result run. (Issue 26808815)
itemize(collection.get(), "U+FEE10", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(2, runs[0].end);
EXPECT_EQ(kNoGlyphFont, getFontPath(runs[0]));
itemize(collection.get(), "U+FEE40 U+FE4C5", kDefaultFontStyle, &runs);
ASSERT_EQ(1U, runs.size());
EXPECT_EQ(0, runs[0].start);
EXPECT_EQ(4, runs[0].end);
EXPECT_EQ(kNoGlyphFont, getFontPath(runs[0]));
}