diff options
| -rw-r--r-- | activesupport/lib/active_support/core_ext/object/duplicable.rb | 124 | ||||
| -rw-r--r-- | activesupport/test/core_ext/object/duplicable_test.rb | 2 |
2 files changed, 8 insertions, 118 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/duplicable.rb b/activesupport/lib/active_support/core_ext/object/duplicable.rb index c78ee6bbfc..3ebcdca02b 100644 --- a/activesupport/lib/active_support/core_ext/object/duplicable.rb +++ b/activesupport/lib/active_support/core_ext/object/duplicable.rb @@ -28,96 +28,6 @@ class Object end end -class NilClass - begin - nil.dup - rescue TypeError - - # +nil+ is not duplicable: - # - # nil.duplicable? # => false - # nil.dup # => TypeError: can't dup NilClass - def duplicable? - false - end - end -end - -class FalseClass - begin - false.dup - rescue TypeError - - # +false+ is not duplicable: - # - # false.duplicable? # => false - # false.dup # => TypeError: can't dup FalseClass - def duplicable? - false - end - end -end - -class TrueClass - begin - true.dup - rescue TypeError - - # +true+ is not duplicable: - # - # true.duplicable? # => false - # true.dup # => TypeError: can't dup TrueClass - def duplicable? - false - end - end -end - -class Symbol - begin - :symbol.dup - - # Some symbols couldn't be duped in Ruby 2.4.0 only, due to a bug. - # This feature check catches any regression. - "symbol_from_string".to_sym.dup - rescue TypeError - - # Symbols are not duplicable: - # - # :my_symbol.duplicable? # => false - # :my_symbol.dup # => TypeError: can't dup Symbol - def duplicable? - false - end - end -end - -class Numeric - begin - 1.dup - rescue TypeError - - # Numbers are not duplicable: - # - # 3.duplicable? # => false - # 3.dup # => TypeError: can't dup Integer - def duplicable? - false - end - end -end - -require "bigdecimal" -class BigDecimal - # BigDecimals are duplicable: - # - # BigDecimal("1.2").duplicable? # => true - # BigDecimal("1.2").dup # => #<BigDecimal:...,'0.12E1',18(18)> - def duplicable? - true - end -end - class Method # Methods are not duplicable: # @@ -128,32 +38,12 @@ class Method end end -class Complex - begin - Complex(1).dup - rescue TypeError - - # Complexes are not duplicable: - # - # Complex(1).duplicable? # => false - # Complex(1).dup # => TypeError: can't copy Complex - def duplicable? - false - end - end -end - -class Rational - begin - Rational(1).dup - rescue TypeError - - # Rationals are not duplicable: - # - # Rational(1).duplicable? # => false - # Rational(1).dup # => TypeError: can't copy Rational - def duplicable? - false - end +class UnboundMethod + # Unbound methods are not duplicable: + # + # method(:puts).unbind.duplicable? # => false + # method(:puts).unbind.dup # => TypeError: allocator undefined for UnboundMethod + def duplicable? + false end end diff --git a/activesupport/test/core_ext/object/duplicable_test.rb b/activesupport/test/core_ext/object/duplicable_test.rb index c9af2cb624..a577c30c40 100644 --- a/activesupport/test/core_ext/object/duplicable_test.rb +++ b/activesupport/test/core_ext/object/duplicable_test.rb @@ -6,7 +6,7 @@ require "active_support/core_ext/object/duplicable" require "active_support/core_ext/numeric/time" class DuplicableTest < ActiveSupport::TestCase - RAISE_DUP = [method(:puts)] + RAISE_DUP = [method(:puts), method(:puts).unbind] ALLOW_DUP = ["1", "symbol_from_string".to_sym, Object.new, /foo/, [], {}, Time.now, Class.new, Module.new, BigDecimal("4.56"), nil, false, true, 1, 2.3, Complex(1), Rational(1)] def test_duplicable |