OpenShot Library | libopenshot-audio 0.2.0
juce_CachedValue.cpp
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2017 - ROLI Ltd.
6
7 JUCE is an open source library subject to commercial or open-source
8 licensing.
9
10 By using JUCE, you agree to the terms of both the JUCE 5 End-User License
11 Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
12 27th April 2017).
13
14 End User License Agreement: www.juce.com/juce-5-licence
15 Privacy Policy: www.juce.com/juce-5-privacy-policy
16
17 Or: You may also use this code under the terms of the GPL v3 (see
18 www.gnu.org/licenses).
19
20 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
21 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
22 DISCLAIMED.
23
24 ==============================================================================
25*/
26
27namespace juce
28{
29
30#if JUCE_UNIT_TESTS
31
32class CachedValueTests : public UnitTest
33{
34public:
35 CachedValueTests() : UnitTest ("CachedValues", "Values") {}
36
37 void runTest() override
38 {
39 beginTest ("default constructor");
40 {
42 expect (cv.isUsingDefault());
43 expect (cv.get() == String());
44 }
45
46 beginTest ("without default value");
47 {
48 ValueTree t ("root");
49 t.setProperty ("testkey", "testvalue", nullptr);
50
51 CachedValue<String> cv (t, "testkey", nullptr);
52
53 expect (! cv.isUsingDefault());
54 expect (cv.get() == "testvalue");
55
56 cv.resetToDefault();
57
58 expect (cv.isUsingDefault());
59 expect (cv.get() == String());
60 }
61
62 beginTest ("with default value");
63 {
64 ValueTree t ("root");
65 t.setProperty ("testkey", "testvalue", nullptr);
66
67 CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
68
69 expect (! cv.isUsingDefault());
70 expect (cv.get() == "testvalue");
71
72 cv.resetToDefault();
73
74 expect (cv.isUsingDefault());
75 expect (cv.get() == "defaultvalue");
76 }
77
78 beginTest ("with default value (int)");
79 {
80 ValueTree t ("root");
81 t.setProperty ("testkey", 23, nullptr);
82
83 CachedValue<int> cv (t, "testkey", nullptr, 34);
84
85 expect (! cv.isUsingDefault());
86 expect (cv == 23);
87 expectEquals (cv.get(), 23);
88
89 cv.resetToDefault();
90
91 expect (cv.isUsingDefault());
92 expect (cv == 34);
93 }
94
95 beginTest ("with void value");
96 {
97 ValueTree t ("root");
98 t.setProperty ("testkey", var(), nullptr);
99
100 CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
101
102 expect (! cv.isUsingDefault());
103 expect (cv == "");
104 expectEquals (cv.get(), String());
105 }
106
107 beginTest ("with non-existent value");
108 {
109 ValueTree t ("root");
110
111 CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
112
113 expect (cv.isUsingDefault());
114 expect (cv == "defaultvalue");
115 expect (cv.get() == "defaultvalue");
116 }
117
118 beginTest ("with value changing");
119 {
120 ValueTree t ("root");
121 t.setProperty ("testkey", "oldvalue", nullptr);
122
123 CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
124 expect (cv == "oldvalue");
125
126 t.setProperty ("testkey", "newvalue", nullptr);
127 expect (cv != "oldvalue");
128 expect (cv == "newvalue");
129 }
130
131 beginTest ("set value");
132 {
133 ValueTree t ("root");
134 t.setProperty ("testkey", 23, nullptr);
135
136 CachedValue<int> cv (t, "testkey", nullptr, 45);
137 cv = 34;
138
139 expectEquals ((int) t["testkey"], 34);
140
141 cv.resetToDefault();
142 expect (cv == 45);
143 expectEquals (cv.get(), 45);
144
145 expect (t["testkey"] == var());
146 }
147 }
148};
149
150static CachedValueTests cachedValueTests;
151
152#endif
153
154} // namespace juce
Array()=default
Creates an empty array.