mirror of
https://github.com/ruby/ruby.git
synced 2025-08-27 06:56:13 +02:00
95e8c48dd3
* 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
36 lines
1 KiB
Ruby
36 lines
1 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
|
|
|
|
with_feature :fiber do
|
|
describe "Fiber.yield" do
|
|
it "passes control to the Fiber's caller" do
|
|
step = 0
|
|
fiber = Fiber.new { step = 1; Fiber.yield; step = 2; Fiber.yield; step = 3 }
|
|
fiber.resume
|
|
step.should == 1
|
|
fiber.resume
|
|
step.should == 2
|
|
end
|
|
|
|
it "returns its arguments to the caller" do
|
|
fiber = Fiber.new { true; Fiber.yield :glark; true }
|
|
fiber.resume.should == :glark
|
|
fiber.resume
|
|
end
|
|
|
|
it "returns nil to the caller if given no arguments" do
|
|
fiber = Fiber.new { true; Fiber.yield; true }
|
|
fiber.resume.should be_nil
|
|
fiber.resume
|
|
end
|
|
|
|
it "returns to the Fiber the value of the #resume call that invoked it" do
|
|
fiber = Fiber.new { Fiber.yield.should == :caller }
|
|
fiber.resume
|
|
fiber.resume :caller
|
|
end
|
|
|
|
it "raises a FiberError if called from the root Fiber" do
|
|
lambda{ Fiber.yield }.should raise_error(FiberError)
|
|
end
|
|
end
|
|
end
|