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/*
* Copyright (C) 2016 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 "minikin/HbFontCache.h"
#include <gtest/gtest.h>
#include <log/log.h>
#include <memory>
#include <mutex>
#include <hb.h>
#include <minikin/MinikinFont.h>
#include "MinikinFontForTest.h"
#include "minikin/MinikinInternal.h"
namespace minikin {
class HbFontCacheTest : public testing::Test {
public:
virtual void TearDown() {
std::scoped_lock _l(gMinikinLock);
purgeHbFontCacheLocked();
}
};
TEST_F(HbFontCacheTest, getHbFontLockedTest) {
std::shared_ptr<MinikinFontForTest> fontA(
new MinikinFontForTest(kTestFontDir "Regular.ttf"));
std::shared_ptr<MinikinFontForTest> fontB(
new MinikinFontForTest(kTestFontDir "Bold.ttf"));
std::shared_ptr<MinikinFontForTest> fontC(
new MinikinFontForTest(kTestFontDir "BoldItalic.ttf"));
std::scoped_lock _l(gMinikinLock);
// Never return NULL.
EXPECT_NE(nullptr, getHbFontLocked(fontA.get()));
EXPECT_NE(nullptr, getHbFontLocked(fontB.get()));
EXPECT_NE(nullptr, getHbFontLocked(fontC.get()));
EXPECT_NE(nullptr, getHbFontLocked(nullptr));
// Must return same object if same font object is passed.
EXPECT_EQ(getHbFontLocked(fontA.get()), getHbFontLocked(fontA.get()));
EXPECT_EQ(getHbFontLocked(fontB.get()), getHbFontLocked(fontB.get()));
EXPECT_EQ(getHbFontLocked(fontC.get()), getHbFontLocked(fontC.get()));
// Different object must be returned if the passed minikinFont has different
// ID.
EXPECT_NE(getHbFontLocked(fontA.get()), getHbFontLocked(fontB.get()));
EXPECT_NE(getHbFontLocked(fontA.get()), getHbFontLocked(fontC.get()));
}
TEST_F(HbFontCacheTest, purgeCacheTest) {
std::shared_ptr<MinikinFontForTest> minikinFont(
new MinikinFontForTest(kTestFontDir "Regular.ttf"));
std::scoped_lock _l(gMinikinLock);
hb_font_t* font = getHbFontLocked(minikinFont.get());
ASSERT_NE(nullptr, font);
// Set user data to identify the font object.
hb_user_data_key_t key;
void* data = (void*)0xdeadbeef;
hb_font_set_user_data(font, &key, data, NULL, false);
ASSERT_EQ(data, hb_font_get_user_data(font, &key));
purgeHbFontCacheLocked();
// By checking user data, confirm that the object after purge is different
// from previously created one. Do not compare the returned pointer here since
// memory allocator may assign same region for new object.
font = getHbFontLocked(minikinFont.get());
EXPECT_EQ(nullptr, hb_font_get_user_data(font, &key));
}
} // namespace minikin