From 1d5cace9db9aef76f26b2d7ba54bbb76443b00b2 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 5 May 2024 20:33:23 +0200
Subject: Adding upstream version 5.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/array22.sub | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 tests/array22.sub

(limited to 'tests/array22.sub')

diff --git a/tests/array22.sub b/tests/array22.sub
new file mode 100644
index 0000000..adae6e1
--- /dev/null
+++ b/tests/array22.sub
@@ -0,0 +1,46 @@
+# This isn't perfect behavior, but it establishes a baseline and will provide
+# a way to detect behavior changes
+
+echo a1
+a[0]= a[1]=; recho "${a[@]:-y}"
+unset a
+
+echo a2
+a[1]=; recho "${a[@]:-y}"
+a[1]=; recho "${a[*]:-z}"
+unset a
+
+echo a3
+a[0]= a[1]=x; recho "${a[@]:-y}"
+unset a
+
+echo a4
+a[0]= a[1]=x; recho ${a[@]:+y}
+unset a
+
+echo p1
+set '' ''
+recho "${@:-y}"
+
+shift $#
+
+echo p2
+set '' x
+recho "${@:-y}"
+
+shift $#
+
+echo p3
+set '' x
+recho ${@:+y}
+
+# problems with * and null expansions dating back to bash's earliest days
+A=(''); set -- ''
+
+echo "<${A[*]:-X}>" "<${*:-X}>" "<${A:-X}>" "<${A[0]:-X}>" 
+
+IFS=
+A=('' ''); set -- '' ''
+B=''
+
+echo "<${A[*]:-X}>" "<${*:-X}>" "<${B:-X}>" "<${B[*]:-X}>"
-- 
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