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
|
require_relative '../../spec_helper'
describe "Mutex#owned?" do
describe "when unlocked" do
it "returns false" do
m = Mutex.new
m.owned?.should be_false
end
end
describe "when locked by the current thread" do
it "returns true" do
m = Mutex.new
m.lock
m.owned?.should be_true
end
end
describe "when locked by another thread" do
before :each do
@checked = false
end
after :each do
@checked = true
@th.join
end
it "returns false" do
m = Mutex.new
locked = false
@th = Thread.new do
m.lock
locked = true
Thread.pass until @checked
end
Thread.pass until locked
m.owned?.should be_false
end
end
ruby_version_is "3.0" do
it "is held per Fiber" do
m = Mutex.new
m.lock
Fiber.new do
m.locked?.should == true
m.owned?.should == false
end.resume
end
end
end
|
