1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "gtest/gtest.h" 18 19 #include "chre/util/singleton.h" 20 21 using chre::Singleton; 22 23 TEST(Singleton, Lifecycle) { 24 EXPECT_FALSE(Singleton<int>::isInitialized()); 25 EXPECT_EQ(Singleton<int>::safeGet(), nullptr); 26 27 Singleton<int>::init(0x1337); 28 ASSERT_NE(Singleton<int>::get(), nullptr); 29 EXPECT_TRUE(Singleton<int>::isInitialized()); 30 EXPECT_EQ(*Singleton<int>::get(), 0x1337); 31 Singleton<int>::init(0xcafe); 32 ASSERT_NE(Singleton<int>::get(), nullptr); 33 EXPECT_TRUE(Singleton<int>::isInitialized()); 34 EXPECT_EQ(*Singleton<int>::get(), 0x1337); 35 36 Singleton<int>::deinit(); 37 EXPECT_EQ(Singleton<int>::safeGet(), nullptr); 38 EXPECT_FALSE(Singleton<int>::isInitialized()); 39 40 Singleton<int>::init(0xface); 41 ASSERT_NE(Singleton<int>::get(), nullptr); 42 EXPECT_TRUE(Singleton<int>::isInitialized()); 43 EXPECT_EQ(*Singleton<int>::get(), 0xface); 44 } 45
