OpenShot Library | libopenshot-audio 0.2.0
juce_ReferenceCountedArray.cpp
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2018 - ROLI Ltd.
6
7 JUCE is an open source library subject to commercial or open-source
8 licensing.
9
10 The code included in this file is provided under the terms of the ISC license
11 http://www.isc.org/downloads/software-support-policy/isc-license. Permission
12 To use, copy, modify, and/or distribute this software for any purpose with or
13 without fee is hereby granted provided that the above copyright notice and
14 this permission notice appear in all copies.
15
16 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
17 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
18 DISCLAIMED.
19
20 ==============================================================================
21*/
22
23namespace juce
24{
25
26#if JUCE_UNIT_TESTS
27
28class ReferenceCountedArrayTests : public UnitTest
29{
30public:
31 ReferenceCountedArrayTests() : UnitTest ("ReferenceCountedArray", "Containers") {}
32
33 //==============================================================================
34 void runTest() override
35 {
36 beginTest ("Add derived objects");
37 {
38 ReferenceCountedArray<TestDerivedObj> derivedArray;
39 derivedArray.add (static_cast<TestDerivedObj*> (new TestBaseObj()));
40 expectEquals (derivedArray.size(), 1);
41 expectEquals (derivedArray.getObjectPointer (0)->getReferenceCount(), 1);
42 expectEquals (derivedArray[0]->getReferenceCount(), 2);
43
44 for (auto o : derivedArray)
45 expectEquals (o->getReferenceCount(), 1);
46
47 ReferenceCountedArray<TestBaseObj> baseArray;
48 baseArray.addArray (derivedArray);
49
50 for (auto o : baseArray)
51 expectEquals (o->getReferenceCount(), 2);
52
53 derivedArray.clearQuick();
54 baseArray.clearQuick();
55
56 auto* baseObject = new TestBaseObj();
57 TestBaseObj::Ptr baseObjectPtr = baseObject;
58 expectEquals (baseObject->getReferenceCount(), 1);
59
60 auto* derivedObject = new TestDerivedObj();
61 TestDerivedObj::Ptr derivedObjectPtr = derivedObject;
62 expectEquals (derivedObject->getReferenceCount(), 1);
63
64 baseArray.add (baseObject);
65 baseArray.add (derivedObject);
66
67 for (auto o : baseArray)
68 expectEquals (o->getReferenceCount(), 2);
69
70 expectEquals (baseObject->getReferenceCount(), 2);
71 expectEquals (derivedObject->getReferenceCount(), 2);
72
73 derivedArray.add (derivedObject);
74
75 for (auto o : derivedArray)
76 expectEquals (o->getReferenceCount(), 3);
77
78 derivedArray.clearQuick();
79 baseArray.clearQuick();
80
81 expectEquals (baseObject->getReferenceCount(), 1);
82 expectEquals (derivedObject->getReferenceCount(), 1);
83
84 baseArray.add (baseObjectPtr);
85
86 #if JUCE_STRICT_REFCOUNTEDPOINTER
87 baseArray.add (derivedObjectPtr);
88 #else
89 baseArray.add (derivedObjectPtr.get());
90 #endif
91
92 for (auto o : baseArray)
93 expectEquals (o->getReferenceCount(), 2);
94
95 derivedArray.add (derivedObjectPtr);
96
97 for (auto o : derivedArray)
98 expectEquals (o->getReferenceCount(), 3);
99 }
100 }
101
102private:
103 struct TestBaseObj : public ReferenceCountedObject
104 {
105 using Ptr = ReferenceCountedObjectPtr<TestBaseObj>;
106
107 TestBaseObj() = default;
108 };
109
110 struct TestDerivedObj : public TestBaseObj
111 {
112 using Ptr = ReferenceCountedObjectPtr<TestDerivedObj>;
113
114 TestDerivedObj() = default;
115 };
116};
117
118static ReferenceCountedArrayTests referenceCountedArrayTests;
119
120#endif
121
122} // namespace juce