1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
RSpec.shared_examples :atomic_boolean do
describe 'construction' do
it 'sets the initial value' do
expect(described_class.new(true).value).to be true
end
it 'defaults the initial value to false' do
expect(described_class.new.value).to be false
end
it 'evaluates the truthiness of a true value' do
expect(described_class.new(10).value).to be true
end
it 'evaluates the truthiness of a false value' do
expect(described_class.new(nil).value).to be false
end
end
describe '#value' do
it 'returns the current value' do
counter = described_class.new(true)
expect(counter.value).to be true
counter.make_false
expect(counter.value).to be false
counter.make_true
expect(counter.value).to be true
end
end
describe '#value=' do
it 'sets the #value to the given `Boolean`' do
atomic = described_class.new(true)
atomic.value = false
expect(atomic.value).to be false
end
it 'returns the new value' do
atomic = described_class.new(false)
expect(atomic.value = true).to be true
end
it 'evaluates the truthiness of a true value' do
atomic = described_class.new(false)
atomic.value = 10
expect(atomic.value).to be true
end
it 'evaluates the truthiness of a false value' do
atomic = described_class.new(true)
atomic.value = nil
expect(atomic.value).to be false
end
end
describe '#true?' do
specify { expect(described_class.new(true).true?).to be true }
specify { expect(described_class.new(false).true?).to be false }
end
describe '#false?' do
specify { expect(described_class.new(true).false?).to be false }
specify { expect(described_class.new(false).false?).to be true }
end
describe '#make_true' do
it 'makes a false value true and returns true' do
subject = described_class.new(false)
expect(subject.make_true).to be true
expect(subject.value).to be true
end
it 'keeps a true value true and returns false' do
subject = described_class.new(true)
expect(subject.make_true).to be false
expect(subject.value).to be true
end
end
describe '#make_false' do
it 'makes a true value false and returns true' do
subject = described_class.new(true)
expect(subject.make_false).to be true
expect(subject.value).to be false
end
it 'keeps a false value false and returns false' do
subject = described_class.new(false)
expect(subject.make_false).to be false
expect(subject.value).to be false
end
end
end
module Concurrent
RSpec.describe MutexAtomicBoolean do
it_should_behave_like :atomic_boolean
context 'instance methods' do
before(:each) do
expect(subject).to receive(:synchronize).with(no_args).and_return(true)
end
specify 'value is synchronized' do
subject.value
end
specify 'value= is synchronized' do
subject.value = 10
end
specify 'true? is synchronized' do
subject.true?
end
specify 'false? is synchronized' do
subject.false?
end
specify 'make_true is synchronized' do
subject.make_true
end
specify 'make_false is synchronized' do
subject.make_false
end
end
end
if defined? Concurrent::CAtomicBoolean
RSpec.describe CAtomicBoolean do
it_should_behave_like :atomic_boolean
end
end
if Concurrent.on_jruby?
RSpec.describe JavaAtomicBoolean do
it_should_behave_like :atomic_boolean
end
end
RSpec.describe AtomicBoolean do
if RUBY_ENGINE != 'ruby'
it 'does not load the C extension' do
expect(defined?(Concurrent::CAtomicBoolean)).to be_falsey
end
end
if Concurrent.on_jruby?
it 'inherits from JavaAtomicBoolean' do
expect(AtomicBoolean.ancestors).to include(JavaAtomicBoolean)
end
elsif defined? Concurrent::CAtomicBoolean
it 'inherits from CAtomicBoolean' do
expect(AtomicBoolean.ancestors).to include(CAtomicBoolean)
end
else
it 'inherits from MutexAtomicBoolean' do
expect(AtomicBoolean.ancestors).to include(MutexAtomicBoolean)
end
end
describe '#to_s and #inspect' do
it 'includes the value' do
subject = described_class.new(true)
expect(subject.to_s).to include('true')
expect(subject.inspect).to include('true')
end
end
end
end
|
