1# $FreeBSD: head/tools/regression/bin/sh/expansion/plus-minus1.0 216738 2010-12-27 15:57:41Z emaste $
2
3e= q='?' a='*' t=texttext s='ast*que?non' p='/et[c]/' w='a b c' b='{{(#)}}'
4h='##'
5failures=''
6ok=''
7
8testcase() {
9	code="$1"
10	expected="$2"
11	oIFS="$IFS"
12	eval "$code"
13	IFS='|'
14	result="$#|$*"
15	IFS="$oIFS"
16	if [ "x$result" = "x$expected" ]; then
17		ok=x$ok
18	else
19		failures=x$failures
20		echo "For $code, expected $expected actual $result"
21	fi
22}
23
24testcase 'set -- a b'				'2|a|b'
25testcase 'set --'				'0|'
26testcase 'set -- ${e}'				'0|'
27testcase 'set -- "${e}"'			'1|'
28
29testcase 'set -- $p'				'1|/etc/'
30testcase 'set -- "$p"'				'1|/et[c]/'
31testcase 'set -- ${s+$p}'			'1|/etc/'
32testcase 'set -- "${s+$p}"'			'1|/et[c]/'
33testcase 'set -- ${s+"$p"}'			'1|/et[c]/'
34# Dquotes in dquotes is undefined for Bourne shell operators
35#testcase 'set -- "${s+"$p"}"'			'1|/et[c]/'
36testcase 'set -- ${e:-$p}'			'1|/etc/'
37testcase 'set -- "${e:-$p}"'			'1|/et[c]/'
38testcase 'set -- ${e:-"$p"}'			'1|/et[c]/'
39# Dquotes in dquotes is undefined for Bourne shell operators
40#testcase 'set -- "${e:-"$p"}"'			'1|/et[c]/'
41testcase 'set -- ${e:+"$e"}'			'0|'
42testcase 'set -- ${e:+$w"$e"}'			'0|'
43testcase 'set -- ${w:+"$w"}'			'1|a b c'
44testcase 'set -- ${w:+$w"$w"}'			'3|a|b|ca b c'
45
46testcase 'set -- "${s+a b}"'			'1|a b'
47testcase 'set -- "${e:-a b}"'			'1|a b'
48testcase 'set -- ${e:-\}}'			'1|}'
49testcase 'set -- ${e:+{}}'			'1|}'
50testcase 'set -- "${e:+{}}"'			'1|}'
51
52testcase 'set -- ${e+x}${e+x}'			'1|xx'
53testcase 'set -- "${e+x}"${e+x}'		'1|xx'
54testcase 'set -- ${e+x}"${e+x}"'		'1|xx'
55testcase 'set -- "${e+x}${e+x}"'		'1|xx'
56testcase 'set -- "${e+x}""${e+x}"'		'1|xx'
57
58testcase 'set -- ${e:-${e:-$p}}'		'1|/etc/'
59testcase 'set -- "${e:-${e:-$p}}"'		'1|/et[c]/'
60testcase 'set -- ${e:-"${e:-$p}"}'		'1|/et[c]/'
61testcase 'set -- ${e:-${e:-"$p"}}'		'1|/et[c]/'
62testcase 'set -- ${e:-${e:-${e:-$w}}}'		'3|a|b|c'
63testcase 'set -- ${e:-${e:-${e:-"$w"}}}'	'1|a b c'
64testcase 'set -- ${e:-${e:-"${e:-$w}"}}'	'1|a b c'
65testcase 'set -- ${e:-"${e:-${e:-$w}}"}'	'1|a b c'
66testcase 'set -- "${e:-${e:-${e:-$w}}}"'	'1|a b c'
67
68testcase 'shift $#; set -- ${1+"$@"}'		'0|'
69testcase 'set -- ""; set -- ${1+"$@"}'		'1|'
70testcase 'set -- "" a; set -- ${1+"$@"}'	'2||a'
71testcase 'set -- a ""; set -- ${1+"$@"}'	'2|a|'
72testcase 'set -- a b; set -- ${1+"$@"}'		'2|a|b'
73testcase 'set -- a\ b; set -- ${1+"$@"}'	'1|a b'
74testcase 'set -- " " ""; set -- ${1+"$@"}'	'2| |'
75
76test "x$failures" = x
77