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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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