From d3d249b9048b338535ae033acb3606abf174b2da Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Tue, 1 Jul 2025 17:24:02 +0900
Subject: [PATCH] [ruby/io-console] Fix removing unexpected control chars

`cc` is created as `"\C-x"`, it is a String since ruby 1.9.

https://github.com/ruby/io-console/commit/65c9266feb
---
 test/io/console/test_io_console.rb | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/test/io/console/test_io_console.rb b/test/io/console/test_io_console.rb
index 59fe01879b..c3f9c91c7d 100644
--- a/test/io/console/test_io_console.rb
+++ b/test/io/console/test_io_console.rb
@@ -373,10 +373,10 @@ defined?(PTY) and defined?(IO.console) and TestIO_Console.class_eval do
     w.flush
     result = EnvUtil.timeout(3) {r.gets}
     if result
-      case cc
-      when 0..31
+      case cc.chr
+      when "\C-A".."\C-_"
         cc = "^" + (cc.ord | 0x40).chr
-      when 127
+      when "\C-?"
         cc = "^?"
       end
       result.sub!(cc, "")