1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
ruby--ruby/spec/ruby/library/fiber/alive_spec.rb

49 lines
1.4 KiB
Ruby
Raw Normal View History

require File.expand_path('../../../spec_helper', __FILE__)
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