51215: consume whole CSI sequences from the input

This affects CSI sequences that aren't explicitly bound but arrive
within the usual KEYTIMEOUT time limits. A single undefined-key widget
is run instead of unintended bindings for Escape and other characters in
the sequence.

2 files changed, 29 insertions, 0 deletions

diff --git a/Test/X02zlevi.ztst b/Test/X02zlevi.ztst
index 203c13c32..ccfb7b1c6 100644
--- a/Test/X02zlevi.ztst
+++ b/Test/X02zlevi.ztst
@@ -596,6 +596,13 @@
 >BUFFER: 1ls `2`  $(3) "4" $'5' ${6}
 >CURSOR: 0
 
+  zpty_run 'bindkey -s -a "cw" "dwi"'
+  zletest $'one two\e0cwyksi'
+  zpty_run 'bindkey -r -a "cw"'
+0:for a vi command, wait to allow a longer binding to be used
+>BUFFER: yksitwo
+>CURSOR: 4
+
 %clean
 
   zmodload -ui zsh/zpty
diff --git a/Test/X03zlebindkey.ztst b/Test/X03zlebindkey.ztst
index 5277332a7..1b63b3920 100644
--- a/Test/X03zlebindkey.ztst
+++ b/Test/X03zlebindkey.ztst
@@ -37,6 +37,28 @@
 >"^Xy" "bar"
 >"^Xy" undefined-key
 
+  zpty_run 'bindkey -s "\e[" altbracket'
+  zletest $'$\C-A\e[17~'
+  zpty_run 'bindkey -r "\e["'
+0:binding to CSI introduction is not used if a full sequence arrives
+>BUFFER: $
+>CURSOR: 0
+
+  zpty_run 'bindkey -s "\e[1" altbracketone'
+  zletest $'$\C-A\e[17~'
+  zpty_run 'bindkey -r "\e[1"'
+0:binding to longer prefix of a CSI sequence is used
+# we assume the user knows what they're doing
+>BUFFER: altbracketone7~$
+>CURSOR: 15
+
+  zpty_run 'bindkey -s "\e[" altbracket'
+  zletest $'$\C-A\e[177'
+  zpty_run 'bindkey -r "\e["'
+0:use prefix binding where we don't have a CSI sequence
+>BUFFER: altbracket177$
+>CURSOR: 13
+
 # As we're only looking at definitions here, we don't
 # bother using the pseudo-terminal; just test in the normal fashion.
   bindkey -e