# $FreeBSD: releng/12.1/bin/sh/tests/builtins/trap2.0 194517 2009-06-19 22:15:59Z jilles $ # This is really a test for outqstr(), which is readily accessible via trap. runtest() { teststring=$1 trap -- "$teststring" USR1 traps=$(trap) if [ "$teststring" != "-" ] && [ -z "$traps" ]; then # One possible reading of POSIX requires the above to return an # empty string because backquote commands are executed in a # subshell and subshells shall reset traps. However, an example # in the normative description of the trap builtin shows the # same usage as here, it is useful and our /bin/sh allows it. echo '$(trap) is broken' exit 1 fi trap - USR1 eval "$traps" traps2=$(trap) if [ "$traps" != "$traps2" ]; then echo "Mismatch for '$teststring'" exit 1 fi } runtest 'echo' runtest 'echo hi' runtest "'echo' 'hi'" runtest '"echo" $PATH' runtest '\echo "$PATH"' runtest ' 0' runtest '0 ' runtest ' 1' runtest '1 ' i=1 while [ $i -le 127 ]; do c=$(printf \\"$(printf %o $i)") if [ $i -lt 48 ] || [ $i -gt 57 ]; then runtest "$c" fi runtest " $c$c" runtest "a$c" i=$((i+1)) done IFS=, runtest ' ' runtest ',' unset IFS runtest ' ' exit 0