# Test braced variable expansion in PS1
testvar=xyz123
output=$(testvar=xyz123 PS1='prefix-${testvar}-suffix:' ENV=/dev/null ${SH} +m -i </dev/null 2>&1)
case $output in
*xyz123*) exit 0 ;;
*) echo "Expected 'xyz123' in prompt output"; exit 1 ;;
esac