engine/third_party/txt/tests/FontLanguageListCacheTest.cpp

/*
 * 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 <minikin/FontFamily.h>

#include "ICUTestBase.h"
#include "minikin/FontLanguageListCache.h"
#include "minikin/MinikinInternal.h"

namespace minikin {

typedef ICUTestBase FontLanguageListCacheTest;

TEST_F(FontLanguageListCacheTest, getId) {
  EXPECT_NE(0UL, FontStyle::registerLanguageList("en"));
  EXPECT_NE(0UL, FontStyle::registerLanguageList("jp"));
  EXPECT_NE(0UL, FontStyle::registerLanguageList("en,zh-Hans"));

  std::scoped_lock _l(gMinikinLock);
  EXPECT_EQ(0UL, FontLanguageListCache::getId(""));

  EXPECT_EQ(FontLanguageListCache::getId("en"),
            FontLanguageListCache::getId("en"));
  EXPECT_NE(FontLanguageListCache::getId("en"),
            FontLanguageListCache::getId("jp"));

  EXPECT_EQ(FontLanguageListCache::getId("en,zh-Hans"),
            FontLanguageListCache::getId("en,zh-Hans"));
  EXPECT_NE(FontLanguageListCache::getId("en,zh-Hans"),
            FontLanguageListCache::getId("zh-Hans,en"));
  EXPECT_NE(FontLanguageListCache::getId("en,zh-Hans"),
            FontLanguageListCache::getId("jp"));
  EXPECT_NE(FontLanguageListCache::getId("en,zh-Hans"),
            FontLanguageListCache::getId("en"));
  EXPECT_NE(FontLanguageListCache::getId("en,zh-Hans"),
            FontLanguageListCache::getId("en,zh-Hant"));
}

TEST_F(FontLanguageListCacheTest, getById) {
  std::scoped_lock _l(gMinikinLock);
  uint32_t enLangId = FontLanguageListCache::getId("en");
  uint32_t jpLangId = FontLanguageListCache::getId("jp");
  FontLanguage english = FontLanguageListCache::getById(enLangId)[0];
  FontLanguage japanese = FontLanguageListCache::getById(jpLangId)[0];

  const FontLanguages& defLangs = FontLanguageListCache::getById(0);
  EXPECT_TRUE(defLangs.empty());

  const FontLanguages& langs =
      FontLanguageListCache::getById(FontLanguageListCache::getId("en"));
  ASSERT_EQ(1UL, langs.size());
  EXPECT_EQ(english, langs[0]);

  const FontLanguages& langs2 =
      FontLanguageListCache::getById(FontLanguageListCache::getId("en,jp"));
  ASSERT_EQ(2UL, langs2.size());
  EXPECT_EQ(english, langs2[0]);
  EXPECT_EQ(japanese, langs2[1]);
}

}  // namespace minikin