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juce_ValueWithDefault.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 ValueWithDefaultTests : public UnitTest
33{
34 public:
35 ValueWithDefaultTests()
36 : UnitTest ("ValueWithDefault", UnitTestCategories::values)
37 {}
38
39 void runTest() override
40 {
41 beginTest ("default constructor");
42 {
43 ValueWithDefault vwd;
44 expect (vwd.isUsingDefault());
45 expect (vwd.get() == var());
46 }
47
48 beginTest ("missing property");
49 {
50 ValueTree t ("root");
51 ValueWithDefault vwd (t, "testKey", nullptr, "default");
52
53 expect (vwd.isUsingDefault());
54 expectEquals (vwd.get().toString(), String ("default"));
55 }
56
57 beginTest ("non-empty property");
58 {
59 ValueTree t ("root");
60 t.setProperty ("testKey", "non-default", nullptr);
61
62 ValueWithDefault vwd (t, "testKey", nullptr, "default");
63
64 expect (! vwd.isUsingDefault());
65 expectEquals (vwd.get().toString(), String ("non-default"));
66 }
67
68 beginTest ("set default");
69 {
70 ValueTree t ("root");
71
72 ValueWithDefault vwd (t, "testkey", nullptr);
73 vwd.setDefault ("default");
74
75 expect (vwd.isUsingDefault());
76 expectEquals (vwd.get().toString(), String ("default"));
77 }
78
79 beginTest ("set value");
80 {
81 ValueTree t ("root");
82 t.setProperty ("testkey", "testvalue", nullptr);
83
84 ValueWithDefault vwd (t, "testkey", nullptr, "default");
85 vwd = "newvalue";
86
87 expect (! vwd.isUsingDefault());
88 expectEquals (t["testkey"].toString(), String ("newvalue"));
89
90 vwd.resetToDefault();
91
92 expect (vwd.isUsingDefault());
93 expect (t["testkey"] == var());
94 }
95 }
96};
97
98 static ValueWithDefaultTests valueWithDefaultTests;
99
100#endif
101
102} // namespace juce