fail_assertion
fail_assertion("kevent", socktype, "EVFILT_READ",
fail_assertion("write", socktype, NULL, "write length");
fail_assertion("kevent", socktype, "EVFILT_READ",
fail_assertion("read", socktype, NULL, "read length");
fail_assertion("kevent", socktype, "EVFILT_READ",
fail_assertion("kevent", socktype, "EVFILT_WRITE",
fail_assertion("write", socktype, NULL, "write length");
fail_assertion("kevent", socktype, "EVFILT_WRITE",