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require_relative '../../spec_helper'
describe "Symbol#to_proc" do
it "returns a new Proc" do
proc = :to_s.to_proc
proc.should be_kind_of(Proc)
end
it "sends self to arguments passed when calling #call on the Proc" do
obj = mock("Receiving #to_s")
obj.should_receive(:to_s).and_return("Received #to_s")
:to_s.to_proc.call(obj).should == "Received #to_s"
end
it "raises an ArgumentError when calling #call on the Proc without receiver" do
lambda { :object_id.to_proc.call }.should raise_error(ArgumentError)
end
it "produces a proc that always returns [[:rest]] for #parameters" do
pr = :to_s.to_proc
pr.parameters.should == [[:rest]]
end
end
describe "Symbol#to_proc" do
before :all do
@klass = Class.new do
def m
yield
end
def to_proc
:m.to_proc.call(self) { :value }
end
end
end
it "passes along the block passed to Proc#call" do
@klass.new.to_proc.should == :value
end
end
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