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| 1 /* | |
| 2 * Copyright 2017 The WebRTC Project Authors. All rights reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include "webrtc/base/ptr_util.h" | |
| 12 | |
| 13 #include <stddef.h> | |
| 14 #include <string> | |
| 15 | |
| 16 #include "webrtc/base/gunit.h" | |
| 17 | |
| 18 namespace rtc { | |
| 19 | |
| 20 namespace { | |
| 21 | |
| 22 class DeleteCounter { | |
| 23 public: | |
| 24 DeleteCounter() { ++count_; } | |
| 25 ~DeleteCounter() { --count_; } | |
| 26 | |
| 27 static size_t count() { return count_; } | |
| 28 | |
| 29 private: | |
| 30 static size_t count_; | |
| 31 }; | |
| 32 | |
| 33 size_t DeleteCounter::count_ = 0; | |
| 34 | |
| 35 } // namespace | |
| 36 | |
| 37 TEST(PtrUtilTest, WrapUnique) { | |
| 38 EXPECT_EQ(0u, DeleteCounter::count()); | |
| 39 DeleteCounter* counter = new DeleteCounter; | |
| 40 EXPECT_EQ(1u, DeleteCounter::count()); | |
| 41 std::unique_ptr<DeleteCounter> owned_counter = WrapUnique(counter); | |
| 42 EXPECT_EQ(1u, DeleteCounter::count()); | |
| 43 owned_counter.reset(); | |
| 44 EXPECT_EQ(0u, DeleteCounter::count()); | |
| 45 } | |
| 46 | |
| 47 TEST(PtrUtilTest, MakeUniqueScalar) { | |
| 48 auto s = MakeUnique<std::string>(); | |
| 49 EXPECT_EQ("", *s); | |
| 50 | |
| 51 auto s2 = MakeUnique<std::string>("test"); | |
| 52 EXPECT_EQ("test", *s2); | |
| 53 } | |
| 54 | |
| 55 TEST(PtrUtilTest, MakeUniqueScalarWithMoveOnlyType) { | |
| 56 using MoveOnly = std::unique_ptr<std::string>; | |
| 57 auto p = MakeUnique<MoveOnly>(MakeUnique<std::string>("test")); | |
| 58 EXPECT_EQ("test", **p); | |
| 59 } | |
| 60 | |
| 61 TEST(PtrUtilTest, MakeUniqueArray) { | |
| 62 EXPECT_EQ(0u, DeleteCounter::count()); | |
| 63 auto a = MakeUnique<DeleteCounter[]>(5); | |
| 64 EXPECT_EQ(5u, DeleteCounter::count()); | |
| 65 a.reset(); | |
| 66 EXPECT_EQ(0u, DeleteCounter::count()); | |
| 67 } | |
| 68 | |
| 69 } // namespace rtc | |
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