ruby--ruby/spec/ruby/core/thread/keys_spec.rb

45 lines
1.2 KiB
Ruby

require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Thread#keys" do
it "returns an array of the names of the thread-local variables as symbols" do
th = Thread.new do
Thread.current["cat"] = 'woof'
Thread.current[:cat] = 'meow'
Thread.current[:dog] = 'woof'
end
th.join
th.keys.sort_by {|x| x.to_s}.should == [:cat,:dog]
end
it "is not shared across fibers" do
fib = Fiber.new do
Thread.current[:val1] = 1
Fiber.yield
Thread.current.keys.should include(:val1)
Thread.current.keys.should_not include(:val2)
end
Thread.current.keys.should_not include(:val1)
fib.resume
Thread.current[:val2] = 2
fib.resume
Thread.current.keys.should include(:val2)
Thread.current.keys.should_not include(:val1)
end
it "stores a local in another thread when in a fiber" do
fib = Fiber.new do
t = Thread.new do
sleep
Thread.current.keys.should include(:value)
end
Thread.pass while t.status and t.status != "sleep"
t[:value] = 1
t.wakeup
t.join
end
fib.resume
end
end