67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
/*
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* Copyright (C) 2019 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 "android-base/no_destructor.h"
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#include <gtest/gtest.h>
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struct __attribute__((packed)) Bomb {
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Bomb() : magic_(123) {}
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~Bomb() { exit(42); }
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int get() const { return magic_; }
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private:
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[[maybe_unused]] char padding_;
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int magic_;
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};
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TEST(no_destructor, bomb) {
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ASSERT_EXIT(({
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{
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Bomb b;
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if (b.get() != 123) exit(1);
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}
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exit(0);
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}),
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::testing::ExitedWithCode(42), "");
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}
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TEST(no_destructor, defused) {
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ASSERT_EXIT(({
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{
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android::base::NoDestructor<Bomb> b;
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if (b->get() != 123) exit(1);
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}
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exit(0);
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}),
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::testing::ExitedWithCode(0), "");
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}
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TEST(no_destructor, operators) {
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android::base::NoDestructor<Bomb> b;
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const android::base::NoDestructor<Bomb>& c = b;
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ASSERT_EQ(123, b.get()->get());
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ASSERT_EQ(123, b->get());
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ASSERT_EQ(123, (*b).get());
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ASSERT_EQ(123, c.get()->get());
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ASSERT_EQ(123, c->get());
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ASSERT_EQ(123, (*c).get());
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}
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