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1 /* | |
2 * Copyright 2014 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 <memory> | |
12 | |
13 #include "webrtc/base/constructormagic.h" | |
14 #include "webrtc/base/scopedptrcollection.h" | |
15 #include "webrtc/base/gunit.h" | |
16 | |
17 namespace rtc { | |
18 | |
19 namespace { | |
20 | |
21 class InstanceCounter { | |
22 public: | |
23 explicit InstanceCounter(int* num_instances) | |
24 : num_instances_(num_instances) { | |
25 ++(*num_instances_); | |
26 } | |
27 ~InstanceCounter() { | |
28 --(*num_instances_); | |
29 } | |
30 | |
31 private: | |
32 int* num_instances_; | |
33 | |
34 RTC_DISALLOW_COPY_AND_ASSIGN(InstanceCounter); | |
35 }; | |
36 | |
37 } // namespace | |
38 | |
39 class ScopedPtrCollectionTest : public testing::Test { | |
40 protected: | |
41 ScopedPtrCollectionTest() | |
42 : num_instances_(0), | |
43 collection_(new ScopedPtrCollection<InstanceCounter>()) { | |
44 } | |
45 | |
46 int num_instances_; | |
47 std::unique_ptr<ScopedPtrCollection<InstanceCounter> > collection_; | |
48 }; | |
49 | |
50 TEST_F(ScopedPtrCollectionTest, PushBack) { | |
51 EXPECT_EQ(0u, collection_->collection().size()); | |
52 EXPECT_EQ(0, num_instances_); | |
53 const int kNum = 100; | |
54 for (int i = 0; i < kNum; ++i) { | |
55 collection_->PushBack(new InstanceCounter(&num_instances_)); | |
56 } | |
57 EXPECT_EQ(static_cast<size_t>(kNum), collection_->collection().size()); | |
58 EXPECT_EQ(kNum, num_instances_); | |
59 collection_.reset(); | |
60 EXPECT_EQ(0, num_instances_); | |
61 } | |
62 | |
63 TEST_F(ScopedPtrCollectionTest, Remove) { | |
64 InstanceCounter* ic = new InstanceCounter(&num_instances_); | |
65 collection_->PushBack(ic); | |
66 EXPECT_EQ(1u, collection_->collection().size()); | |
67 collection_->Remove(ic); | |
68 EXPECT_EQ(1, num_instances_); | |
69 collection_.reset(); | |
70 EXPECT_EQ(1, num_instances_); | |
71 delete ic; | |
72 EXPECT_EQ(0, num_instances_); | |
73 } | |
74 | |
75 | |
76 } // namespace rtc | |
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