Abseil Common Libraries (C++) (grcp 依赖)
https://abseil.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
2.2 KiB
63 lines
2.2 KiB
// Copyright 2018 The Abseil Authors. |
|
// |
|
// Licensed under the Apache License, Version 2.0 (the "License"); |
|
// you may not use this file except in compliance with the License. |
|
// You may obtain a copy of the License at |
|
// |
|
// http://www.apache.org/licenses/LICENSE-2.0 |
|
// |
|
// Unless required by applicable law or agreed to in writing, software |
|
// distributed under the License is distributed on an "AS IS" BASIS, |
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
// See the License for the specific language governing permissions and |
|
// limitations under the License. |
|
|
|
#include "absl/memory/memory.h" |
|
|
|
#include "gtest/gtest.h" |
|
#include "absl/base/internal/exception_safety_testing.h" |
|
|
|
namespace absl { |
|
namespace { |
|
|
|
constexpr int kLength = 50; |
|
using Thrower = testing::ThrowingValue<testing::TypeSpec::kEverythingThrows>; |
|
using ThrowerStorage = |
|
absl::aligned_storage_t<sizeof(Thrower), alignof(Thrower)>; |
|
using ThrowerList = std::array<ThrowerStorage, kLength>; |
|
|
|
TEST(MakeUnique, CheckForLeaks) { |
|
constexpr int kValue = 321; |
|
auto tester = testing::MakeExceptionSafetyTester() |
|
.WithInitialValue(Thrower(kValue)) |
|
// Ensures make_unique does not modify the input. The real |
|
// test, though, is ConstructorTracker checking for leaks. |
|
.WithInvariants(testing::strong_guarantee); |
|
|
|
EXPECT_TRUE(tester.Test([](Thrower* thrower) { |
|
static_cast<void>(absl::make_unique<Thrower>(*thrower)); |
|
})); |
|
|
|
EXPECT_TRUE(tester.Test([](Thrower* thrower) { |
|
static_cast<void>(absl::make_unique<Thrower>(std::move(*thrower))); |
|
})); |
|
|
|
// Test T[n] overload |
|
EXPECT_TRUE(tester.Test([&](Thrower*) { |
|
static_cast<void>(absl::make_unique<Thrower[]>(kLength)); |
|
})); |
|
} |
|
|
|
TEST(MemoryInternal, UninitDefaultConstructNNonTrivial) { |
|
EXPECT_TRUE(testing::MakeExceptionSafetyTester() |
|
.WithInitialValue(ThrowerList{}) |
|
.WithOperation([&](ThrowerList* list_ptr) { |
|
absl::memory_internal::uninitialized_default_construct_n( |
|
list_ptr->data(), kLength); |
|
}) |
|
.WithInvariants([&](...) { return true; }) |
|
.Test()); |
|
} |
|
|
|
} // namespace |
|
} // namespace absl
|
|
|