1 files changed, 13 insertions, 0 deletions
diff --git a/test/ruby/test_flip.rb b/test/ruby/test_flip.rb
new file mode 100644
index 0000000000..8d7cdd03ad
--- /dev/null
+++ b/test/ruby/test_flip.rb
@@ -0,0 +1,13 @@
+require 'test/unit'
+require_relative 'envutil'
+
+class TestFlip < Test::Unit::TestCase
+  def test_hidden_key
+    bug6899 = '[ruby-core:47253]'
+    foo = "foor"
+    bar = "bar"
+    assert_nothing_raised(NotImplementedError, bug6899) do
+      2000.times {eval %[(foo..bar) ? 1 : 2]}
+    end
+  end
+end