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