test "$(trap 'echo trapped' EXIT; :)" = trapped || exit 1

test "$(trap 'echo trapped' EXIT; /usr/bin/true)" = trapped || exit 1

result=$(${SH} -c 'trap "echo trapped" EXIT; /usr/bin/false')
test $? -eq 1 || exit 1
test "$result" = trapped || exit 1

result=$(${SH} -c 'trap "echo trapped" EXIT; exec /usr/bin/false')
test $? -eq 1 || exit 1
test -z "$result" || exit 1

result=0
trap 'result=$((result+1))' INT
kill -INT $$
test "$result" -eq 1 || exit 1
(kill -INT $$)
test "$result" -eq 2 || exit 1

exit 0