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require 'abstract_unit'
require 'bigdecimal'
require 'active_support/core_ext/object/duplicable'
require 'active_support/core_ext/numeric/time'
class DuplicableTest < ActiveSupport::TestCase
RAISE_DUP = [nil, false, true, :symbol, 1, 2.3, method(:puts)]
ALLOW_DUP = ['1', Object.new, /foo/, [], {}, Time.now, Class.new, Module.new]
# Needed to support Ruby 1.9.x, as it doesn't allow dup on BigDecimal, instead
# raises TypeError exception. Checking here on the runtime whether BigDecimal
# will allow dup or not.
begin
bd = BigDecimal.new('4.56')
ALLOW_DUP << bd.dup
rescue TypeError
RAISE_DUP << bd
end
def test_duplicable
RAISE_DUP.each do |v|
assert !v.duplicable?
assert_raises(TypeError, v.class.name) { v.dup }
end
ALLOW_DUP.each do |v|
assert v.duplicable?, "#{ v.class } should be duplicable"
assert_nothing_raised { v.dup }
end
end
end
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