52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
// 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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