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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
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