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// 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
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