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