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require_relative '../../spec_helper'
require 'monitor'
describe "Monitor#synchronize" do
it "unlocks after return, even if it was interrupted by Thread#raise" do
exc_class = Class.new(RuntimeError)
monitor = Monitor.new
10.times do
wait_q = Queue.new
continue_q = Queue.new
thread = Thread.new do
begin
monitor.synchronize do
wait_q << true
# Do not wait here, we are trying to interrupt the ensure part of #synchronize
end
continue_q.pop
rescue exc_class
monitor.should_not.mon_locked?
:ok
end
end
wait_q.pop
thread.raise exc_class, "interrupt"
continue_q << true
thread.value.should == :ok
end
end
it "raises a LocalJumpError if not passed a block" do
-> { Monitor.new.synchronize }.should raise_error(LocalJumpError)
end
it "raises a thread error if the monitor is not owned on exiting the block" do
monitor = Monitor.new
-> { monitor.synchronize { monitor.exit } }.should raise_error(ThreadError)
end
end
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