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bigdecimal can be duped on Ruby 2.0

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1 parent ae88ec4 commit 440559f661b55c9cd0492469a31c8b3647ca670a @tenderlove tenderlove committed Mar 20, 2012
@@ -104,3 +104,15 @@ def duplicable?
false
end
end
+
+class BigDecimal
+ begin
+ BigDecimal.new('4.56').dup
+
+ def duplicable?
+ true
+ end
+ rescue TypeError
+ # can't dup, so use superclass implementation
+ end
+end
@@ -4,17 +4,25 @@
require 'active_support/core_ext/numeric/time'
class DuplicableTest < ActiveSupport::TestCase
- RAISE_DUP = [nil, false, true, :symbol, 1, 2.3, BigDecimal.new('4.56'), 5.seconds]
+ RAISE_DUP = [nil, false, true, :symbol, 1, 2.3, 5.seconds]
YES = ['1', Object.new, /foo/, [], {}, Time.now]
NO = [Class.new, Module.new]
+ begin
+ bd = BigDecimal.new('4.56')
+ YES << bd.dup
+ rescue TypeError
+ RAISE_DUP << bd
+ end
+
+
def test_duplicable
(RAISE_DUP + NO).each do |v|
assert !v.duplicable?
end
YES.each do |v|
- assert v.duplicable?
+ assert v.duplicable?, "#{v.class} should be duplicable"
end
(YES + NO).each do |v|

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