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removes unused method Class#remove_class

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1 parent 5f981ff commit 44afd785c8e390f47bc5b80e5d94309b6b56a13c @fxn fxn committed Jan 26, 2010
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31 activesupport/lib/active_support/core_ext/class/removal.rb
@@ -2,35 +2,4 @@
require 'active_support/core_ext/module/introspection'
class Class #:nodoc:
- # Removes the classes in +klasses+ from their parent module.
- #
- # Ordinary classes belong to some module via a constant. This method computes
- # that constant name from the class name and removes it from the module it
- # belongs to.
- #
- # Object.remove_class(Integer) # => [Integer]
- # Integer # => NameError: uninitialized constant Integer
- #
- # Take into account that in general the class object could be still stored
- # somewhere else.
- #
- # i = Integer # => Integer
- # Object.remove_class(Integer) # => [Integer]
- # Integer # => NameError: uninitialized constant Integer
- # i.subclasses # => ["Bignum", "Fixnum"]
- # Fixnum.superclass # => Integer
- def remove_class(*klasses)
- klasses.flatten.each do |klass|
- # Skip this class if there is nothing bound to this name
- next unless defined?(klass.name)
-
- basename = klass.to_s.split("::").last
- parent = klass.parent
-
- # Skip this class if it does not match the current one bound to this name
- next unless parent.const_defined?(basename) && klass = parent.const_get(basename)
-
- parent.instance_eval { remove_const basename } unless parent == klass
- end
- end
end
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17 activesupport/test/core_ext/class_test.rb
@@ -17,21 +17,4 @@ class C
end
class ClassTest < Test::Unit::TestCase
- def test_removing_class_in_root_namespace
- assert A.is_a?(Class)
- Class.remove_class(A)
- assert_raise(NameError) { A.is_a?(Class) }
- end
-
- def test_removing_class_in_one_level_namespace
- assert X::B.is_a?(Class)
- Class.remove_class(X::B)
- assert_raise(NameError) { X::B.is_a?(Class) }
- end
-
- def test_removing_class_in_two_level_namespace
- assert Y::Z::C.is_a?(Class)
- Class.remove_class(Y::Z::C)
- assert_raise(NameError) { Y::Z::C.is_a?(Class) }
- end
end

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