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ruby--ruby/spec/ruby/library/fiber/alive_spec.rb
eregon 401b64c4e8 Update to ruby/spec@c1b568b
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-03-04 15:09:32 +00:00

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1.3 KiB
Ruby

require_relative '../../spec_helper'
with_feature :fiber_library do
require 'fiber'
describe "Fiber#alive?" do
it "returns true for a Fiber that hasn't had #resume called" do
fiber = Fiber.new { true }
fiber.alive?.should be_true
end
# FIXME: Better description?
it "returns true for a Fiber that's yielded to the caller" do
fiber = Fiber.new { Fiber.yield }
fiber.resume
fiber.alive?.should be_true
end
it "returns true when called from its Fiber" do
fiber = Fiber.new { fiber.alive?.should be_true }
fiber.resume
end
it "doesn't invoke the block associated with the Fiber" do
offthehook = mock('do not call')
offthehook.should_not_receive(:ring)
fiber = Fiber.new { offthehook.ring }
fiber.alive?
end
it "returns false for a Fiber that's dead" do
fiber = Fiber.new { true }
fiber.resume
lambda { fiber.resume }.should raise_error(FiberError)
fiber.alive?.should be_false
end
it "always returns false for a dead Fiber" do
fiber = Fiber.new { true }
fiber.resume
lambda { fiber.resume }.should raise_error(FiberError)
fiber.alive?.should be_false
lambda { fiber.resume }.should raise_error(FiberError)
fiber.alive?.should be_false
fiber.alive?.should be_false
end
end
end