1 files changed, 12 insertions, 0 deletions
diff --git a/test/ripper/test_ripper.rb b/test/ripper/test_ripper.rb
index c6af72d475..7631b91042 100644
--- a/test/ripper/test_ripper.rb
+++ b/test/ripper/test_ripper.rb
@@ -60,4 +60,16 @@ class TestRipper::Ripper < Test::Unit::TestCase
 
     assert_predicate @ripper, :yydebug
   end
+
+  def test_regexp_with_option
+    bug11932 = '[ruby-core:72638] [Bug #11932]'
+    src = '/[\xC0-\xF0]/u'.force_encoding(Encoding::UTF_8)
+    ripper = Ripper.new(src)
+    ripper.parse
+    assert_predicate(ripper, :error?)
+    src = '/[\xC0-\xF0]/n'.force_encoding(Encoding::UTF_8)
+    ripper = Ripper.new(src)
+    ripper.parse
+    assert_not_predicate(ripper, :error?, bug11932)
+  end
 end if ripper_test