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+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