1 files changed, 15 insertions, 2 deletions
diff --git a/test/ruby/test_method.rb b/test/ruby/test_method.rb
index d54000d745..911896d0b0 100644
--- a/test/ruby/test_method.rb
+++ b/test/ruby/test_method.rb
@@ -285,8 +285,9 @@ class TestMethod < Test::Unit::TestCase
     end
     c = Class.new
     assert_raise(ArgumentError) {o.foo(c)}
-    o.foo(c) { :foo }
-    assert_equal(:foo, c.new.foo)
+
+    bug11283 = '[ruby-core:69655] [Bug #11283]'
+    assert_raise(ArgumentError, bug11283) {o.foo(c) {:foo}}
   end
 
   def test_define_singleton_method
@@ -295,6 +296,18 @@ class TestMethod < Test::Unit::TestCase
     assert_equal(:foo, o.foo)
   end
 
+  def test_define_singleton_method_no_proc
+    assert_raise(ArgumentError) {
+      o.instance_eval { define_singleton_method(:bar) }
+    }
+
+    bug11283 = '[ruby-core:69655] [Bug #11283]'
+    def o.define(n)
+      define_singleton_method(n)
+    end
+    assert_raise(ArgumentError) {o.define(:bar) {:bar}}
+  end
+
   def test_define_method_invalid_arg
     assert_raise(TypeError) do
       Class.new.class_eval { define_method(:foo, Object.new) }