[ruby/reline] Editing to initial content is not just cursor moving

https://github.com/ruby/reline/commit/0a4f175b0a

1 files changed, 11 insertions, 0 deletions

diff --git a/test/reline/yamatanooroti/test_rendering.rb b/test/reline/yamatanooroti/test_rendering.rb
index 84c0580e4b..1dc5ac3ea8 100644
--- a/test/reline/yamatanooroti/test_rendering.rb
+++ b/test/reline/yamatanooroti/test_rendering.rb
@@ -441,6 +441,17 @@ begin
       EOC
     end
 
+    def test_backspace_until_returns_to_initial
+      start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/bin/multiline_repl}, startup_message: 'Multiline REPL.')
+      write("ABC")
+      write("\C-h\C-h\C-h")
+      close
+      assert_screen(<<~EOC)
+        Multiline REPL.
+        prompt>
+      EOC
+    end
+
     private def write_inputrc(content)
       File.open(@inputrc_file, 'w') do |f|
         f.write content