Abseil Common Libraries (C++) (grcp 依赖)
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52 lines
1.8 KiB
52 lines
1.8 KiB
// Copyright 2018 The Abseil Authors. |
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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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// https://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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#include "absl/memory/memory.h" |
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#include "gtest/gtest.h" |
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#include "absl/base/internal/exception_safety_testing.h" |
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namespace absl { |
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namespace { |
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constexpr int kLength = 50; |
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using Thrower = testing::ThrowingValue<testing::TypeSpec::kEverythingThrows>; |
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using ThrowerStorage = |
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absl::aligned_storage_t<sizeof(Thrower), alignof(Thrower)>; |
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using ThrowerList = std::array<ThrowerStorage, kLength>; |
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TEST(MakeUnique, CheckForLeaks) { |
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constexpr int kValue = 321; |
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auto tester = testing::MakeExceptionSafetyTester() |
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.WithInitialValue(Thrower(kValue)) |
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// Ensures make_unique does not modify the input. The real |
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// test, though, is ConstructorTracker checking for leaks. |
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.WithContracts(testing::strong_guarantee); |
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EXPECT_TRUE(tester.Test([](Thrower* thrower) { |
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static_cast<void>(absl::make_unique<Thrower>(*thrower)); |
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})); |
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EXPECT_TRUE(tester.Test([](Thrower* thrower) { |
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static_cast<void>(absl::make_unique<Thrower>(std::move(*thrower))); |
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})); |
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// Test T[n] overload |
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EXPECT_TRUE(tester.Test([&](Thrower*) { |
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static_cast<void>(absl::make_unique<Thrower[]>(kLength)); |
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})); |
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} |
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} // namespace |
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} // namespace absl
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