From 273d669a568ed9ee705916e42945f4239501cdcb Mon Sep 17 00:00:00 2001
From: Peter Stephenson <p.stephenson@samsung.com>
Date: Thu, 12 Dec 2019 10:22:24 +0000
Subject: 45001: Fix zero-length matches with ${...%...}

As the shortest match is preferred, zero-length matches beat any other.
---
 Test/D04parameter.ztst | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'Test')

diff --git a/Test/D04parameter.ztst b/Test/D04parameter.ztst
index b6e85a9fe..c91af1a9c 100644
--- a/Test/D04parameter.ztst
+++ b/Test/D04parameter.ztst
@@ -2534,3 +2534,26 @@ F:behavior, see http://austingroupbugs.net/view.php?id=888
 0:Global variables are not trashed by "foo=bar builtin" (regression test)
 >function-value
 >global-value
+
+ foo=pws
+ print ${foo%*}
+0:Smallest match at end can match zero-length string
+>pws
+
+ foo=pws
+ print ${foo%?}
+0:Smallest match at end with a character always matches one
+>pw
+
+ setopt extendedglob
+ foo=pws
+ print ${foo%s#}
+ print ${foo%%s#}
+0:Smallest / largest match with non-trivial closure
+>pws
+>pw
+
+ foo=pws
+ print ${foo%%*}
+0:Largest match at end matches entire string
+>
-- 
cgit 1.4.1