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
|
require_relative '../../spec_helper'
require 'monitor'
describe "Monitor#try_enter" do
it "will acquire a monitor not held by another thread" do
monitor = Monitor.new
10.times do
thread = Thread.new do
val = monitor.try_enter
monitor.exit if val
val
end
thread.join
thread.value.should == true
end
end
it "will not acquire a monitor already held by another thread" do
monitor = Monitor.new
10.times do
monitor.enter
begin
thread = Thread.new do
val = monitor.try_enter
monitor.exit if val
val
end
thread.join
thread.value.should == false
ensure
monitor.exit
end
monitor.mon_locked?.should == false
end
end
end
|
