1 // Copyright 2018 The Abseil Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include "absl/memory/memory.h" 16 17 #include "absl/base/config.h" 18 19 #ifdef ABSL_HAVE_EXCEPTIONS 20 21 #include "gtest/gtest.h" 22 #include "absl/base/internal/exception_safety_testing.h" 23 24 namespace absl { 25 ABSL_NAMESPACE_BEGIN 26 namespace { 27 28 constexpr int kLength = 50; 29 using Thrower = testing::ThrowingValue<testing::TypeSpec::kEverythingThrows>; 30 TEST(MakeUnique,CheckForLeaks)31TEST(MakeUnique, CheckForLeaks) { 32 constexpr int kValue = 321; 33 auto tester = testing::MakeExceptionSafetyTester() 34 .WithInitialValue(Thrower(kValue)) 35 // Ensures make_unique does not modify the input. The real 36 // test, though, is ConstructorTracker checking for leaks. 37 .WithContracts(testing::strong_guarantee); 38 39 EXPECT_TRUE(tester.Test([](Thrower* thrower) { 40 static_cast<void>(absl::make_unique<Thrower>(*thrower)); 41 })); 42 43 EXPECT_TRUE(tester.Test([](Thrower* thrower) { 44 static_cast<void>(absl::make_unique<Thrower>(std::move(*thrower))); 45 })); 46 47 // Test T[n] overload 48 EXPECT_TRUE(tester.Test([&](Thrower*) { 49 static_cast<void>(absl::make_unique<Thrower[]>(kLength)); 50 })); 51 } 52 53 } // namespace 54 ABSL_NAMESPACE_END 55 } // namespace absl 56 57 #endif // ABSL_HAVE_EXCEPTIONS 58