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/array17.sub | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 tests/array17.sub

(limited to 'tests/array17.sub')

diff --git a/tests/array17.sub b/tests/array17.sub
new file mode 100644
index 0000000..302dc03
--- /dev/null
+++ b/tests/array17.sub
@@ -0,0 +1,78 @@
+# this shows the expansions an array subscript undergoes before being run
+# through the arithmetic evaluator
+
+b=(0 1 2 3)
+
+# array subscripts undergo variable expansion
+a=2
+echo ${b[$a]}
+
+# array subscripts undergo command substitution
+echo ${b[$(echo 2)]}
+
+c='1+1'
+d='1-+1'
+
+# array subscripts are expanded and the expanded value is treated as an
+# expression
+echo ${b[$c]}
+echo ${b[c]}
+
+echo ${b[$d]}
+echo ${b[d]}
+
+# array subscripts undergo parameter expansion
+set -- 1 2 3
+echo ${b[$1]}
+
+# array subscripts undergo tilde expansion
+HOME=2
+echo ${b[~]}
+
+# array subscripts undergo word splitting -- bug in bash versions through 4.3
+
+x='b[$d]'
+IFS=-
+echo $((x))
+IFS=$' \t\n'
+
+set -- 1 + 2
+
+x='d'
+IFS=-
+echo $((x))
+IFS=$' \t\n'
+
+# start of quoting tests; make sure that subscript is treated as double
+# quoted (inhibits word splitting) but that double quotes are silently
+# discarded through quote removal
+
+echo $(( $@ ))
+echo "$(( $@ ))"
+
+echo $(( "$x" ))
+echo $(( "x" ))
+
+unset a foo bar
+a=(zero one two three four five six seven eight nine ten)
+
+echo ${a[0]}
+echo ${a["0"]}
+
+foo=1
+echo ${a[$foo]}
+echo ${a["$foo"]}
+echo ${a[foo]}
+echo ${a["foo"]}
+
+bar=2
+echo ${a[" $bar "]}
+echo ${a[" bar "]}
+
+# tilde expansion is performed by array subscript expansion but not by posix
+# style arithmetic expansion
+
+HOME=2
+echo $(( ~ ))
+
+
-- 
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