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Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/fixtures/classes'
describe "Method#to_proc" do
before(:each) do
@m = MethodSpecs::Methods.new
@meth = @m.method(:foo)
end
it "returns a Proc object corresponding to the method" do
@meth.to_proc.kind_of?(Proc).should == true
end
it "Proc object should have the correct arity" do
# This may seem redundant but this bug has cropped up in jruby, mri and yarv.
# http://jira.codehaus.org/browse/JRUBY-124
[ :zero, :one_req, :two_req,
:zero_with_block, :one_req_with_block, :two_req_with_block,
:one_opt, :one_req_one_opt, :one_req_two_opt, :two_req_one_opt,
:one_opt_with_block, :one_req_one_opt_with_block, :one_req_two_opt_with_block, :two_req_one_opt_with_block,
:zero_with_splat, :one_req_with_splat, :two_req_with_splat,
:one_req_one_opt_with_splat, :one_req_two_opt_with_splat, :two_req_one_opt_with_splat,
:zero_with_splat_and_block, :one_req_with_splat_and_block, :two_req_with_splat_and_block,
:one_req_one_opt_with_splat_and_block, :one_req_two_opt_with_splat_and_block, :two_req_one_opt_with_splat_and_block
].each do |m|
@m.method(m).to_proc.arity.should == @m.method(m).arity
end
end
it "returns a proc that can be used by define_method" do
x = 'test'
to_s = class << x
define_method :foo, method(:to_s).to_proc
to_s
end
x.foo.should == to_s
end
it "returns a proc that can be yielded to" do
x = Object.new
def x.foo(*a); a; end
def x.bar; yield; end
def x.baz(*a); yield(*a); end
m = x.method :foo
x.bar(&m).should == []
x.baz(1,2,3,&m).should == [1,2,3]
end
end
Version data entries
83 entries across 83 versions & 1 rubygems