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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "UnboundMethod#super_method" do
it "returns the method that would be called by super in the method" do
meth = UnboundMethodSpecs::C.instance_method(:overridden)
meth = meth.super_method
meth.should == UnboundMethodSpecs::B.instance_method(:overridden)
meth = meth.super_method
meth.should == UnboundMethodSpecs::A.instance_method(:overridden)
end
it "returns nil when there's no super method in the parent" do
method = Kernel.instance_method(:method)
method.super_method.should == nil
end
it "returns nil when the parent's method is removed" do
parent = Class.new { def foo; end }
child = Class.new(parent) { def foo; end }
method = child.instance_method(:foo)
parent.send(:undef_method, :foo)
method.super_method.should == nil
end
end
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