require 'abstract_unit' require 'bigdecimal' require 'active_support/core_ext/object/duplicable' require 'active_support/core_ext/numeric/time' class DuplicableTest < Test::Unit::TestCase 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?, "#{v.class} should be duplicable" end (YES + NO).each do |v| assert_nothing_raised { v.dup } end RAISE_DUP.each do |v| assert_raises(TypeError, v.class.name) do v.dup end end end end