summaryrefslogtreecommitdiff
path: root/absl/memory/memory_exception_safety_test.cc
blob: 55e8f36f2feb0c5a755f32b64f34b956e30651c9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
// 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 {

using Thrower = ::testing::ThrowingValue<>;

TEST(MakeUnique, CheckForLeaks) {
  constexpr int kValue = 321;
  constexpr size_t kLength = 10;
  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));
  }));
}

}  // namespace
}  // namespace absl