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# $FreeBSD$
failures=0
check() {
if ! eval "[ $* ]"; then
echo "Failed: $*"
: $((failures += 1))
fi
}
builtin : || echo "Bad return code at $LINENO"
builtin true || echo "Bad return code at $LINENO"
builtin ls 2>/dev/null && echo "Bad return code at $LINENO"
check '"$(builtin pwd)" = "$(pwd)"'
check '-z "$(builtin :)"'
check '-z "$(builtin true)"'
check '-z "$( (builtin nosuchtool) 2>/dev/null)"'
check '-z "$(builtin nosuchtool 2>/dev/null)"'
check '-z "$(builtin nosuchtool 2>/dev/null; :)"'
check '-z "$( (builtin ls) 2>/dev/null)"'
check '-z "$(builtin ls 2>/dev/null)"'
check '-z "$(builtin ls 2>/dev/null; :)"'
check '-n "$( (builtin nosuchtool) 2>&1)"'
check '-n "$(builtin nosuchtool 2>&1)"'
check '-n "$(builtin nosuchtool 2>&1; :)"'
check '-n "$( (builtin ls) 2>&1)"'
check '-n "$(builtin ls 2>&1)"'
check '-n "$(builtin ls 2>&1; :)"'
exit $((failures > 0))
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