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* For easier modifications of ruby/spec by MRI developers. * .gitignore: track changes under spec. * spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec. These files can therefore be updated like any other file in MRI. Instructions are provided in spec/README. [Feature #13156] [ruby-core:79246] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
36 lines
699 B
Ruby
36 lines
699 B
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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describe "Mutex#locked?" do
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it "returns true if locked" do
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m = Mutex.new
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m.lock
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m.locked?.should be_true
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end
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it "returns false if unlocked" do
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m = Mutex.new
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m.locked?.should be_false
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end
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it "returns the status of the lock" do
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m1 = Mutex.new
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m2 = Mutex.new
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m2.lock # hold th with only m1 locked
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m1_locked = false
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th = Thread.new do
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m1.lock
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m1_locked = true
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m2.lock
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end
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Thread.pass until m1_locked
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m1.locked?.should be_true
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m2.unlock # release th
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th.join
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# A Thread releases its locks upon termination
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m1.locked?.should be_false
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end
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end
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