ruby--ruby/spec/ruby/core/mutex/owned_spec.rb

44 lines
782 B
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