spec/ruby/library/fiber/resume_spec.rb


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require_relative '../../spec_helper'

require 'fiber'

describe "Fiber#resume" do
  it "raises a FiberError if the Fiber has transferred control to another Fiber" do
    fiber1 = Fiber.new { true }
    fiber2 = Fiber.new { fiber1.transfer; Fiber.yield }
    fiber2.resume
    -> { fiber2.resume }.should raise_error(FiberError)
  end
end