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ruby--ruby/spec/rubyspec/library/fiber/resume_spec.rb
eregon 95e8c48dd3 Add in-tree mspec and ruby/spec
* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
  These files can therefore be updated like any other file in MRI.
  Instructions are provided in spec/README.
  [Feature #13156] [ruby-core:79246]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-05-07 12:04:49 +00:00

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Ruby

require File.expand_path('../../../spec_helper', __FILE__)
with_feature :fiber_library do
require 'fiber'
describe "Fiber#resume" do
it "raises a FiberError if the Fiber has transfered control to another Fiber" do
fiber1 = Fiber.new { true }
fiber2 = Fiber.new { fiber1.transfer; Fiber.yield }
fiber2.resume
lambda { fiber2.resume }.should raise_error(FiberError)
end
end
end