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# $FreeBSD: releng/12.1/bin/sh/tests/expansion/cmdsubst10.0 216826 2010-12-30 22:33:55Z jilles $
a1=$(alias)
: $(alias testalias=abcd)
a2=$(alias)
[ "$a1" = "$a2" ] || echo Error at line $LINENO
alias testalias2=abcd
a1=$(alias)
: $(unalias testalias2)
a2=$(alias)
[ "$a1" = "$a2" ] || echo Error at line $LINENO
[ "$(command -V pwd)" = "$(command -V pwd; exit $?)" ] || echo Error at line $LINENO
v=1
: $(export v=2)
[ "$v" = 1 ] || echo Error at line $LINENO
rotest=1
: $(readonly rotest=2)
[ "$rotest" = 1 ] || echo Error at line $LINENO
set +u
: $(set -u)
case $- in
*u*) echo Error at line $LINENO ;;
esac
set +u
set +u
: $(set -o nounset)
case $- in
*u*) echo Error at line $LINENO ;;
esac
set +u
set +u
: $(command set -u)
case $- in
*u*) echo Error at line $LINENO ;;
esac
set +u
umask 77
u1=$(umask)
: $(umask 022)
u2=$(umask)
[ "$u1" = "$u2" ] || echo Error at line $LINENO
dummy=$(exit 3); [ $? -eq 3 ] || echo Error at line $LINENO
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