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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Method#super_method" do
it "returns the method that would be called by super in the method" do
obj = MethodSpecs::C.new
obj.extend MethodSpecs::OverrideAgain
meth = obj.method(:overridden)
s_meth = meth.super_method
s_meth.owner.should == MethodSpecs::C
s_meth.receiver.should == obj
s_meth.name.should == :overridden
ss_meth = meth.super_method.super_method
ss_meth.owner.should == MethodSpecs::BetweenBAndC
ss_meth.receiver.should == obj
ss_meth.name.should == :overridden
sss_meth = meth.super_method.super_method.super_method
sss_meth.owner.should == MethodSpecs::B
sss_meth.receiver.should == obj
sss_meth.name.should == :overridden
end
it "returns nil when there's no super method in the parent" do
method = Object.new.method(:method)
method.super_method.should == nil
end
it "returns nil when the parent's method is removed" do
klass = Class.new do
def overridden; end
end
sub = Class.new(klass) do
def overridden; end
end
object = sub.new
method = object.method(:overridden)
klass.class_eval { undef :overridden }
method.super_method.should == nil
end
end
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