From a531a1ec2dce97c1507a45abd4795b1aea1edc9e Mon Sep 17 00:00:00 2001
From: Oliver Kiddle <okiddle@yahoo.co.uk>
Date: Thu, 23 May 2019 01:05:01 +0200
Subject: 44345: fix wordcode traversal where ! without a following command
 could result in a crash

---
 Test/A01grammar.ztst | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

(limited to 'Test/A01grammar.ztst')

diff --git a/Test/A01grammar.ztst b/Test/A01grammar.ztst
index 1ed3cb6b7..c8600d4cb 100644
--- a/Test/A01grammar.ztst
+++ b/Test/A01grammar.ztst
@@ -76,6 +76,39 @@
 0:Basic current shell list with error
 >false
 
+  fn() { : && ! ; : }
+  functions -x3 fn
+  fn
+0:End of sublist containing ! with no command
+>fn () {
+>   : && !
+>   :
+>}
+
+  if [[ m -eq y ]]; then
+    : && !
+    :
+  fi
+0:! followed by no further commands
+
+  fn() { ! {!} && ! (!) || ! {!} }
+  functions -x2 fn
+  fn
+0:exclamation marks without following commands
+>fn () {
+>  ! {
+>    !
+>  } && ! (
+>    !
+>  ) || ! {
+>    !
+>  }
+>}
+
+  ! | true
+1:! followed by no command but by a pipe
+?(eval):1: parse error near `|'
+
 #
 # Tests for `Precommand Modifiers'
 #
-- 
cgit 1.4.1