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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "Method#original_name" do
it "returns the name of the method" do
"abc".method(:upcase).original_name.should == :upcase
end
it "returns the original name when aliased" do
obj = MethodSpecs::Methods.new
obj.method(:foo).original_name.should == :foo
obj.method(:bar).original_name.should == :foo
obj.method(:bar).unbind.bind(obj).original_name.should == :foo
end
it "returns the original name even when aliased twice" do
obj = MethodSpecs::Methods.new
obj.method(:foo).original_name.should == :foo
obj.method(:baz).original_name.should == :foo
obj.method(:baz).unbind.bind(obj).original_name.should == :foo
end
it "returns the original name even when aliased thrice" do
obj = MethodSpecs::Methods.new
obj.method(:qux).original_name.should == :foo
obj.method(:qux).unbind.bind(obj).original_name.should == :foo
end
it "returns the source UnboundMethod's name (not the name given to define_method)" do
klass = Class.new { define_method(:my_inspect, ::Kernel.instance_method(:inspect)) }
klass.new.method(:my_inspect).original_name.should == :inspect
end
it "preserves the source method's name through define_method and alias" do
source = Class.new { def my_method; end }
klass = Class.new(source) do
define_method(:renamed, source.instance_method(:my_method))
alias aliased renamed
end
klass.new.method(:renamed).original_name.should == :my_method
klass.new.method(:aliased).original_name.should == :my_method
end
end
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