35 lines
677 B
Ruby
35 lines
677 B
Ruby
require_relative '../../spec_helper'
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describe "Mutex#lock" do
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before :each do
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ScratchPad.clear
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end
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it "returns self" do
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m = Mutex.new
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m.lock.should == m
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m.unlock
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end
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it "blocks the caller if already locked" do
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m = Mutex.new
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m.lock
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-> { m.lock }.should block_caller
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end
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it "does not block the caller if not locked" do
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m = Mutex.new
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-> { m.lock }.should_not block_caller
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end
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# Unable to find a specific ticket but behavior change may be
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# related to this ML thread.
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it "raises a ThreadError when used recursively" do
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m = Mutex.new
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m.lock
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-> {
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m.lock
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}.should raise_error(ThreadError)
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end
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end
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