1 files changed, 12 insertions, 0 deletions
diff --git a/test/ruby/test_enumerator.rb b/test/ruby/test_enumerator.rb
index b5ced3b12c..91c91a4bbd 100644
--- a/test/ruby/test_enumerator.rb
+++ b/test/ruby/test_enumerator.rb
@@ -433,6 +433,18 @@ class TestEnumerator < Test::Unit::TestCase
     assert_raise(RuntimeError) {
       g.__send__ :initialize, proc { |y| y << 4 << 5 }
     }
+
+    g = Enumerator::Generator.new(proc {|y| y << 4 << 5; :foo })
+    a = []
+    assert_equal(:foo, g.each {|x| a << x })
+    assert_equal([4, 5], a)
+
+    assert_raise(LocalJumpError) {Enumerator::Generator.new}
+    assert_raise(TypeError) {Enumerator::Generator.new(1)}
+    obj = eval("class C\u{1f5ff}; self; end").new
+    assert_raise_with_message(TypeError, /C\u{1f5ff}/) {
+      Enumerator::Generator.new(obj)
+    }
   end
 
   def test_generator_args