1 files changed, 21 insertions, 0 deletions
diff --git a/test/ruby/test_flip.rb b/test/ruby/test_flip.rb
new file mode 100644
index 0000000..bd14228
--- /dev/null
+++ b/test/ruby/test_flip.rb
@@ -0,0 +1,21 @@
+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
+
+  def test_shared_eval
+    bug7671 = '[ruby-core:51296]'
+    vs = (1..9).to_a
+    vs.select {|n| if n==2..n==16 then 1 end}
+    v = eval("vs.select {|n| if n==3..n==6 then 1 end}")
+    assert_equal([*3..6], v, bug7671)
+  end
+end