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require File.expand_path('../../../../spec_helper', __FILE__)
require File.expand_path('../../fixtures/classes', __FILE__)
describe "DelegateClass.instance_method" do
before :all do
@klass = DelegateSpecs::DelegateClass
@obj = @klass.new(DelegateSpecs::Simple.new)
end
it "returns a method object for public instance methods of the delegated class" do
m = @klass.instance_method(:pub)
m.should be_an_instance_of(UnboundMethod)
m.bind(@obj).call.should == :foo
end
ruby_bug "#2496", "1.8" do
it "returns a method object for protected instance methods of the delegated class" do
m = @klass.instance_method(:prot)
m.should be_an_instance_of(UnboundMethod)
m.bind(@obj).call.should == :protected
end
end
it "raises a NameError for a private instance methods of the delegated class" do
lambda {
@klass.instance_method(:priv)
}.should raise_error(NameError)
end
it "returns a method object for public instance methods of the DelegateClass class" do
m = @klass.instance_method(:extra)
m.should be_an_instance_of(UnboundMethod)
m.bind(@obj).call.should == :cheese
end
it "returns a method object for protected instance methods of the DelegateClass class" do
m = @klass.instance_method(:extra_protected)
m.should be_an_instance_of(UnboundMethod)
m.bind(@obj).call.should == :baz
end
it "returns a method object for private instance methods of the DelegateClass class" do
m = @klass.instance_method(:extra_private)
m.should be_an_instance_of(UnboundMethod)
m.bind(@obj).call.should == :bar
end
it "raises a NameError for an invalid method name" do
lambda {
@klass.instance_method(:invalid_and_silly_method_name)
}.should raise_error(NameError)
end
end
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