54 lines
1.4 KiB
Ruby
54 lines
1.4 KiB
Ruby
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require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes', __FILE__)
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describe "Thread#key?" do
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before :each do
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@th = Thread.new do
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Thread.current[:oliver] = "a"
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end
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@th.join
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end
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it "tests for existance of thread local variables using symbols or strings" do
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@th.key?(:oliver).should == true
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@th.key?("oliver").should == true
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@th.key?(:stanley).should == false
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@th.key?(:stanley.to_s).should == false
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end
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it "raises exceptions on the wrong type of keys" do
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lambda { Thread.current.key? nil }.should raise_error(TypeError)
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lambda { Thread.current.key? 5 }.should raise_error(TypeError)
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end
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it "is not shared across fibers" do
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fib = Fiber.new do
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Thread.current[:val1] = 1
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Fiber.yield
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Thread.current.key?(:val1).should be_true
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Thread.current.key?(:val2).should be_false
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end
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Thread.current.key?(:val1).should_not be_true
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fib.resume
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Thread.current[:val2] = 2
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fib.resume
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Thread.current.key?(:val1).should be_false
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Thread.current.key?(:val2).should be_true
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end
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it "stores a local in another thread when in a fiber" do
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fib = Fiber.new do
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t = Thread.new do
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sleep
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Thread.current.key?(:value).should be_true
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end
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Thread.pass while t.status and t.status != "sleep"
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t[:value] = 1
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t.wakeup
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t.join
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end
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fib.resume
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end
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end
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