OpenShot Library | OpenShotAudio  0.2.2
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 
27 namespace juce
28 {
29 
30 #if JUCE_UNIT_TESTS
31 
32 class CachedValueTests : public UnitTest
33 {
34 public:
35  CachedValueTests()
36  : UnitTest ("CachedValues", UnitTestCategories::values)
37  {}
38 
39  void runTest() override
40  {
41  beginTest ("default constructor");
42  {
43  CachedValue<String> cv;
44  expect (cv.isUsingDefault());
45  expect (cv.get() == String());
46  }
47 
48  beginTest ("without default value");
49  {
50  ValueTree t ("root");
51  t.setProperty ("testkey", "testvalue", nullptr);
52 
53  CachedValue<String> cv (t, "testkey", nullptr);
54 
55  expect (! cv.isUsingDefault());
56  expect (cv.get() == "testvalue");
57 
58  cv.resetToDefault();
59 
60  expect (cv.isUsingDefault());
61  expect (cv.get() == String());
62  }
63 
64  beginTest ("with default value");
65  {
66  ValueTree t ("root");
67  t.setProperty ("testkey", "testvalue", nullptr);
68 
69  CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
70 
71  expect (! cv.isUsingDefault());
72  expect (cv.get() == "testvalue");
73 
74  cv.resetToDefault();
75 
76  expect (cv.isUsingDefault());
77  expect (cv.get() == "defaultvalue");
78  }
79 
80  beginTest ("with default value (int)");
81  {
82  ValueTree t ("root");
83  t.setProperty ("testkey", 23, nullptr);
84 
85  CachedValue<int> cv (t, "testkey", nullptr, 34);
86 
87  expect (! cv.isUsingDefault());
88  expect (cv == 23);
89  expectEquals (cv.get(), 23);
90 
91  cv.resetToDefault();
92 
93  expect (cv.isUsingDefault());
94  expect (cv == 34);
95  }
96 
97  beginTest ("with void value");
98  {
99  ValueTree t ("root");
100  t.setProperty ("testkey", var(), nullptr);
101 
102  CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
103 
104  expect (! cv.isUsingDefault());
105  expect (cv == "");
106  expectEquals (cv.get(), String());
107  }
108 
109  beginTest ("with non-existent value");
110  {
111  ValueTree t ("root");
112 
113  CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
114 
115  expect (cv.isUsingDefault());
116  expect (cv == "defaultvalue");
117  expect (cv.get() == "defaultvalue");
118  }
119 
120  beginTest ("with value changing");
121  {
122  ValueTree t ("root");
123  t.setProperty ("testkey", "oldvalue", nullptr);
124 
125  CachedValue<String> cv (t, "testkey", nullptr, "defaultvalue");
126  expect (cv == "oldvalue");
127 
128  t.setProperty ("testkey", "newvalue", nullptr);
129  expect (cv != "oldvalue");
130  expect (cv == "newvalue");
131  }
132 
133  beginTest ("set value");
134  {
135  ValueTree t ("root");
136  t.setProperty ("testkey", 23, nullptr);
137 
138  CachedValue<int> cv (t, "testkey", nullptr, 45);
139  cv = 34;
140 
141  expectEquals ((int) t["testkey"], 34);
142 
143  cv.resetToDefault();
144  expect (cv == 45);
145  expectEquals (cv.get(), 45);
146 
147  expect (t["testkey"] == var());
148  }
149  }
150 };
151 
152 static CachedValueTests cachedValueTests;
153 
154 #endif
155 
156 } // namespace juce