[ruby/reline] Yank by em-kill-region correctly

This closes ruby/reline#106.

https://github.com/ruby/reline/commit/2549a52e15

1 files changed, 18 insertions, 0 deletions

diff --git a/test/reline/test_key_actor_emacs.rb b/test/reline/test_key_actor_emacs.rb
index 2ba6a32b93..04c3254c8e 100644
--- a/test/reline/test_key_actor_emacs.rb
+++ b/test/reline/test_key_actor_emacs.rb
@@ -2185,6 +2185,24 @@ class Reline::KeyActor::Emacs::Test < Reline::TestCase
     assert_line('hoge')
   end
 
+  def test_em_kill_region_with_kill_ring
+    input_keys("def hoge\C-b\C-b\C-b\C-b", false)
+    assert_byte_pointer_size('def ')
+    assert_cursor(4)
+    assert_cursor_max(8)
+    assert_line('def hoge')
+    input_keys("\C-k\C-w", false)
+    assert_byte_pointer_size('')
+    assert_cursor(0)
+    assert_cursor_max(0)
+    assert_line('')
+    input_keys("\C-y", false)
+    assert_byte_pointer_size('def hoge')
+    assert_cursor(8)
+    assert_cursor_max(8)
+    assert_line('def hoge')
+  end
+
 =begin # TODO: move KeyStroke instance from Reline to LineEditor
   def test_key_delete
     input_keys('ab')