diff options
Diffstat (limited to 'spec/ruby/core/mutex/synchronize_spec.rb')
-rw-r--r-- | spec/ruby/core/mutex/synchronize_spec.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/spec/ruby/core/mutex/synchronize_spec.rb b/spec/ruby/core/mutex/synchronize_spec.rb new file mode 100644 index 0000000000..ec64aa60fa --- /dev/null +++ b/spec/ruby/core/mutex/synchronize_spec.rb @@ -0,0 +1,27 @@ +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 |