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juce_EnumHelpers_test.cpp
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 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
23 namespace juce
24{
25
26 namespace detail
27{
28 enum class TestEnum
29{
30 one = 1 << 0,
31 four = 1 << 1,
32 other = 1 << 2
33};
34
35JUCE_DECLARE_SCOPED_ENUM_BITWISE_OPERATORS (TestEnum)
36}
37
38 class EnumHelperTest final : public UnitTest
39{
40 public:
41 EnumHelperTest() : UnitTest ("EnumHelpers", UnitTestCategories::containers) {}
42
43 void runTest() override
44 {
45 using detail::TestEnum;
46
47 TestEnum e = {};
48
49 beginTest ("Default initialised enum is 'none'");
50 {
51 expect (e == TestEnum{});
52 expect (! hasBitValueSet (e, TestEnum{}));
53 }
54
55 beginTest ("withBitValueSet sets correct bit on empty enum");
56 {
57 e = withBitValueSet (e, TestEnum::other);
58 expect (e == TestEnum::other);
59 expect (hasBitValueSet (e, TestEnum::other));
60 }
61
62 beginTest ("withBitValueSet sets correct bit on non-empty enum");
63 {
64 e = withBitValueSet (e, TestEnum::one);
65 expect (hasBitValueSet (e, TestEnum::one));
66 }
67
68 beginTest ("withBitValueCleared clears correct bit");
69 {
70 e = withBitValueCleared (e, TestEnum::one);
71 expect (e != TestEnum::one);
72 expect (hasBitValueSet (e, TestEnum::other));
73 expect (! hasBitValueSet (e, TestEnum::one));
74 }
75
76 beginTest ("operators work as expected");
77 {
78 e = TestEnum::one;
79 expect ((e & TestEnum::one) != TestEnum{});
80 e |= TestEnum::other;
81 expect ((e & TestEnum::other) != TestEnum{});
82
83 e &= ~TestEnum::one;
84 expect ((e & TestEnum::one) == TestEnum{});
85 expect ((e & TestEnum::other) != TestEnum{});
86 }
87 }
88};
89
90 static EnumHelperTest enumHelperTest;
91
92} // namespace juce
juce::UnitTest::UnitTest
UnitTest(const String &name, const String &category=String())
Definition juce_UnitTest.cpp:26
juce::UnitTest::beginTest
void beginTest(const String &testName)
Definition juce_UnitTest.cpp:89
juce::UnitTest::expect
void expect(bool testResult, const String &failureMessage=String())
Definition juce_UnitTest.cpp:97