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ruby--ruby/spec/rubyspec/core/mutex/owned_spec.rb
eregon 95e8c48dd3 Add in-tree mspec and ruby/spec
* 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
2017-05-07 12:04:49 +00:00

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Ruby

require File.expand_path('../../../spec_helper', __FILE__)
describe "Mutex#owned?" do
describe "when unlocked" do
it "returns false" do
m = Mutex.new
m.owned?.should be_false
end
end
describe "when locked by the current thread" do
it "returns true" do
m = Mutex.new
m.lock
m.owned?.should be_true
end
end
describe "when locked by another thread" do
before :each do
@checked = false
end
after :each do
@checked = true
@th.join
end
it "returns false" do
m = Mutex.new
locked = false
@th = Thread.new do
m.lock
locked = true
Thread.pass until @checked
end
Thread.pass until locked
m.owned?.should be_false
end
end
end