failures=0

check() {
	if ! eval "$*"; then
		echo "Failed: $*"
		: $((failures += 1))
	fi
}

check 'PATH=/libexec type ld-elf.so.1 >/dev/null'
check '! PATH=/libexec type ls 2>/dev/null'

PATH=/libexec:$PATH

check 'type ld-elf.so.1 >/dev/null'

PATH=/libexec

check 'type ld-elf.so.1 >/dev/null'
check '! type ls 2>/dev/null'
check 'PATH=/bin type ls >/dev/null'
check '! PATH=/bin type ld-elf.so.1 2>/dev/null'

exit $((failures > 0))