1198453Sjilles# $FreeBSD: releng/11.0/bin/sh/tests/expansion/set-u1.0 213738 2010-10-12 18:20:38Z obrien $
2198453Sjilles
3213738Sobrien${SH} -uc 'unset foo; echo $foo' 2>/dev/null && exit 1
4213738Sobrien${SH} -uc 'foo=; echo $foo' >/dev/null || exit 1
5213738Sobrien${SH} -uc 'foo=1; echo $foo' >/dev/null || exit 1
6198453Sjilles# -/+/= are unaffected by set -u
7213738Sobrien${SH} -uc 'unset foo; echo ${foo-}' >/dev/null || exit 1
8213738Sobrien${SH} -uc 'unset foo; echo ${foo+}' >/dev/null || exit 1
9213738Sobrien${SH} -uc 'unset foo; echo ${foo=}' >/dev/null || exit 1
10198453Sjilles# length/trimming are affected
11213738Sobrien${SH} -uc 'unset foo; echo ${#foo}' 2>/dev/null && exit 1
12213738Sobrien${SH} -uc 'foo=; echo ${#foo}' >/dev/null || exit 1
13213738Sobrien${SH} -uc 'unset foo; echo ${foo#?}' 2>/dev/null && exit 1
14213738Sobrien${SH} -uc 'foo=1; echo ${foo#?}' >/dev/null || exit 1
15213738Sobrien${SH} -uc 'unset foo; echo ${foo##?}' 2>/dev/null && exit 1
16213738Sobrien${SH} -uc 'foo=1; echo ${foo##?}' >/dev/null || exit 1
17213738Sobrien${SH} -uc 'unset foo; echo ${foo%?}' 2>/dev/null && exit 1
18213738Sobrien${SH} -uc 'foo=1; echo ${foo%?}' >/dev/null || exit 1
19213738Sobrien${SH} -uc 'unset foo; echo ${foo%%?}' 2>/dev/null && exit 1
20213738Sobrien${SH} -uc 'foo=1; echo ${foo%%?}' >/dev/null || exit 1
21198453Sjilles
22213738Sobrien${SH} -uc 'echo $!' 2>/dev/null && exit 1
23213738Sobrien${SH} -uc ':& echo $!' >/dev/null || exit 1
24213738Sobrien${SH} -uc 'echo $#' >/dev/null || exit 1
25213738Sobrien${SH} -uc 'echo $1' 2>/dev/null && exit 1
26213738Sobrien${SH} -uc 'echo $1' ${SH} x >/dev/null || exit 1
27213738Sobrien${SH} -uc 'echo $2' ${SH} x 2>/dev/null && exit 1
28213738Sobrien${SH} -uc 'echo $2' ${SH} x y >/dev/null || exit 1
29198453Sjillesexit 0
30