ext/readline/readline.c: [Bug #6601]

* ext/readline/readline.c (readline_getc): deal with ESC just followed
  by ASCII as meta prefix in incremental search mode.  based on the
  patch from rctay (Tay Ray Chuan) at [ruby-core:45682].  [Bug #6601]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36123 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 15 insertions, 0 deletions

diff --git a/test/readline/test_readline.rb b/test/readline/test_readline.rb
index 7f00b10721..3352eb19da 100644
--- a/test/readline/test_readline.rb
+++ b/test/readline/test_readline.rb
@@ -399,6 +399,21 @@ class TestReadline < Test::Unit::TestCase
     end
   end if !/EditLine/n.match(Readline::VERSION)
 
+  def test_input_metachar
+    bug6601 = '[ruby-core:45682]'
+    Readline::HISTORY << "hello"
+    wo = nil
+    line = with_pipe do |r, w|
+      wo = w.dup
+      wo.write("\C-re\ef\n")
+    end
+    assert_equal("hello", line, bug6601)
+  ensure
+    wo.close
+    with_pipe {|r, w| w.write("\C-a\C-k\n")} # clear line_buffer
+    Readline::HISTORY.clear
+  end
+
   private
 
   def replace_stdio(stdin_path, stdout_path)