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author | shugo <shugo@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-03-23 09:38:54 +0000 |
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committer | shugo <shugo@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-03-23 09:38:54 +0000 |
commit | a3e10f380ab276cc9192418d2a19c7e0ffc86046 (patch) | |
tree | 8e8606530db6687e552767ccf6299e17d8e4a164 /test | |
parent | 094d03c5d3bbbd9a68ff4f0d86bd988e29773da1 (diff) | |
download | ruby-a3e10f380ab276cc9192418d2a19c7e0ffc86046.tar.gz |
* object.c (rb_obj_singleton_class): new method
Kernel#singleton_class. [ruby-core:21702]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27022 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r-- | test/ruby/test_object.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/ruby/test_object.rb b/test/ruby/test_object.rb index 0a49422074..63c1d32bef 100644 --- a/test/ruby/test_object.rb +++ b/test/ruby/test_object.rb @@ -561,4 +561,25 @@ class TestObject < Test::Unit::TestCase end end.call end + + def test_singleton_class + x = Object.new + xs = class << x; self; end + assert_equal(xs, x.singleton_class) + + y = Object.new + ys = y.singleton_class + assert_equal(class << y; self; end, ys) + + assert_equal(NilClass, nil.singleton_class) + assert_equal(TrueClass, true.singleton_class) + assert_equal(FalseClass, false.singleton_class) + + assert_raise(TypeError) do + 123.singleton_class + end + assert_raise(TypeError) do + :foo.singleton_class + end + end end |