diff options
Diffstat (limited to 'activesupport/test/core_ext/object/duplicable_test.rb')
-rw-r--r-- | activesupport/test/core_ext/object/duplicable_test.rb | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/object/duplicable_test.rb b/activesupport/test/core_ext/object/duplicable_test.rb new file mode 100644 index 0000000000..8cc39ae7b9 --- /dev/null +++ b/activesupport/test/core_ext/object/duplicable_test.rb @@ -0,0 +1,31 @@ +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 |