1 files changed, 6 insertions, 0 deletions
diff --git a/tests/test_json_generate.rb b/tests/test_json_generate.rb
index ab3c74c..117a155 100755
--- a/tests/test_json_generate.rb
+++ b/tests/test_json_generate.rb
@@ -313,4 +313,10 @@ EOT
     assert_kind_of Hash, state_hash
     assert_equal :bar, state_hash[:foo]
   end
+
+  def test_json_generate
+    assert_raise JSON::GeneratorError do
+      assert_equal true, JSON.generate(["\xea"])
+    end
+  end
 end