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require File.expand_path('../../../spec_helper', __FILE__)
describe "Mutex#synchronize" do
it "wraps the lock/unlock pair in an ensure" do
m1 = Mutex.new
m2 = Mutex.new
m2.lock
synchronized = false
th = Thread.new do
lambda do
m1.synchronize do
synchronized = true
m2.lock
raise Exception
end
end.should raise_error(Exception)
end
Thread.pass until synchronized
m1.locked?.should be_true
m2.unlock
th.join
m1.locked?.should be_false
end
end
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