[ruby/reline] Add Enumerable to KillRing for debugging

https://github.com/ruby/reline/commit/d208874152

1 files changed, 12 insertions, 0 deletions

diff --git a/test/reline/test_kill_ring.rb b/test/reline/test_kill_ring.rb
index 8bebfe2177..9f6e0c3e74 100644
--- a/test/reline/test_kill_ring.rb
+++ b/test/reline/test_kill_ring.rb
@@ -253,4 +253,16 @@ class Reline::KillRing::Test < Reline::TestCase
     assert_equal(['AB', 'abcde'], @kill_ring.yank_pop)
     assert_equal(Reline::KillRing::State::YANK, @kill_ring.instance_variable_get(:@state))
   end
+
+  def test_enumerable
+    @kill_ring.append('a')
+    @kill_ring.process
+    @kill_ring.process
+    @kill_ring.append('b')
+    @kill_ring.process
+    @kill_ring.process
+    @kill_ring.append('c')
+    @kill_ring.process
+    assert_equal(%w{c b a}, @kill_ring.to_a)
+  end
 end