JUCE-7.0.12-0-g4f43011b96 JUCE-7.0.12-0-g4f43011b96
JUCE — C++ application framework with suport for VST, VST3, LV2 audio plug-ins
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juce_CachedValue.cpp
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1 /*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2022 - Raw Material Software Limited
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 7 End-User License
11 Agreement and JUCE Privacy Policy.
12
13 End User License Agreement: www.juce.com/juce-7-licence
14 Privacy Policy: www.juce.com/juce-privacy-policy
15
16 Or: You may also use this code under the terms of the GPL v3 (see
17 www.gnu.org/licenses).
18
19 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
20 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
21 DISCLAIMED.
22
23 ==============================================================================
24*/
25
26namespace juce
27{
28
29#if JUCE_UNIT_TESTS
30
31class CachedValueTests final : public UnitTest
32{
33public:
34 CachedValueTests()
35 : UnitTest ("CachedValues", UnitTestCategories::values)
36 {}
37
38 void runTest() override
39 {
40 beginTest ("default constructor");
41 {
42 CachedValue<String> cv;
43 expect (cv.isUsingDefault());
44 expect (cv.get() == String());
45 }
46
47 beginTest ("without default value");
48 {
49 ValueTree t ("root");
50 t.setProperty ("testkey", "testvalue", nullptr);
51
52 CachedValue<String> cv (t, "testkey", nullptr);
53
54 expect (! cv.isUsingDefault());
55 expect (cv.get() == "testvalue");
56
57 cv.resetToDefault();
58
59 expect (cv.isUsingDefault());
60 expect (cv.get() == String());
61 }
62
63 beginTest ("with default value");
64 {
65 ValueTree t ("root");
66 t.setProperty ("testkey", "testvalue", nullptr);
67
68 CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
69
70 expect (! cv.isUsingDefault());
71 expect (cv.get() == "testvalue");
72
73 cv.resetToDefault();
74
75 expect (cv.isUsingDefault());
76 expect (cv.get() == "defaultvalue");
77 }
78
79 beginTest ("with default value (int)");
80 {
81 ValueTree t ("root");
82 t.setProperty ("testkey", 23, nullptr);
83
84 CachedValue<int> cv (t, "testkey", nullptr, 34);
85
86 expect (! cv.isUsingDefault());
87 expect (cv == 23);
88 expectEquals (cv.get(), 23);
89
90 cv.resetToDefault();
91
92 expect (cv.isUsingDefault());
93 expect (cv == 34);
94 }
95
96 beginTest ("with void value");
97 {
98 ValueTree t ("root");
99 t.setProperty ("testkey", var(), nullptr);
100
101 CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
102
103 expect (! cv.isUsingDefault());
104 expect (cv == "");
105 expectEquals (cv.get(), String());
106 }
107
108 beginTest ("with non-existent value");
109 {
110 ValueTree t ("root");
111
112 CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
113
114 expect (cv.isUsingDefault());
115 expect (cv == "defaultvalue");
116 expect (cv.get() == "defaultvalue");
117 }
118
119 beginTest ("with value changing");
120 {
121 ValueTree t ("root");
122 t.setProperty ("testkey", "oldvalue", nullptr);
123
124 CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
125 expect (cv == "oldvalue");
126
127 t.setProperty ("testkey", "newvalue", nullptr);
128 expect (cv != "oldvalue");
129 expect (cv == "newvalue");
130 }
131
132 beginTest ("set value");
133 {
134 ValueTree t ("root");
135 t.setProperty ("testkey", 23, nullptr);
136
137 CachedValue<int> cv (t, "testkey", nullptr, 45);
138 cv = 34;
139
140 expectEquals ((int) t["testkey"], 34);
141
142 cv.resetToDefault();
143 expect (cv == 45);
144 expectEquals (cv.get(), 45);
145
146 expect (t["testkey"] == var());
147 }
148 }
149};
150
151static CachedValueTests cachedValueTests;
152
153#endif
154
155} // namespace juce
juce
JUCE Namespace.
Definition juce_AudioPlayHead.cpp:24
juce::unalignedPointerCast
Type unalignedPointerCast(void *ptr) noexcept
Casts a pointer to another type via void*, which suppresses the cast-align warning which sometimes ar...
Definition juce_Memory.h:88
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