[ruby-core:26076] [Bug #2204] Call to a removed method doesn't raise an exception

Bug #2204: Call to a removed method doesn't raise an exception
http://redmine.ruby-lang.org/issues/show/2204

Author: Tomas Matousek
Status: Open, Priority: High
ruby -v: ruby 1.8.6 (2009-03-31 patchlevel 368) [i386-mingw32]

obj = Object.new

s = class << obj
  alias_method :rt, :respond_to?
  self
end

p obj.methods(false)             # [:rt]
p obj.rt(:bar)                   # returns false as expected
s.send(:remove_method, :rt)      # removes :rt method
p obj.methods(false)             # []
obj.rt(:foo)                     # this should raise an exception but it doesn’t




D:\temp>ruby19 -v a.rb
ruby 1.9.1p129 (2009-05-12 revision 23412) [i386-mswin32]
[:rt]
false
[]

D:\temp>ruby -v a.rb
ruby 1.8.6 (2009-03-31 patchlevel 368) [i386-mingw32]
["rt"]
false
[]


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