45 lines
1.4 KiB
C++
45 lines
1.4 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 "gtest/gtest.h"
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#include "chre/util/singleton.h"
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using chre::Singleton;
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TEST(Singleton, Lifecycle) {
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EXPECT_FALSE(Singleton<int>::isInitialized());
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EXPECT_EQ(Singleton<int>::safeGet(), nullptr);
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Singleton<int>::init(0x1337);
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ASSERT_NE(Singleton<int>::get(), nullptr);
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EXPECT_TRUE(Singleton<int>::isInitialized());
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EXPECT_EQ(*Singleton<int>::get(), 0x1337);
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Singleton<int>::init(0xcafe);
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ASSERT_NE(Singleton<int>::get(), nullptr);
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EXPECT_TRUE(Singleton<int>::isInitialized());
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EXPECT_EQ(*Singleton<int>::get(), 0x1337);
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Singleton<int>::deinit();
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EXPECT_EQ(Singleton<int>::safeGet(), nullptr);
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EXPECT_FALSE(Singleton<int>::isInitialized());
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Singleton<int>::init(0xface);
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ASSERT_NE(Singleton<int>::get(), nullptr);
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EXPECT_TRUE(Singleton<int>::isInitialized());
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EXPECT_EQ(*Singleton<int>::get(), 0xface);
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}
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