DefragInOrderSimpleTest(void)
{
    Packet *p1 = NULL, *p2 = NULL, *p3 = NULL;
    Packet *reassembled = NULL;
    int id = 12;
    int i;
    int ret = 0;

    DefragInit();

    p1 = BuildTestPacket(IPPROTO_ICMP, id, 0, 1, 'A', 8);
    if (p1 == NULL)
        goto end;
    p2 = BuildTestPacket(IPPROTO_ICMP, id, 1, 1, 'B', 8);
    if (p2 == NULL)
        goto end;
    p3 = BuildTestPacket(IPPROTO_ICMP, id, 2, 0, 'C', 3);
    if (p3 == NULL)
        goto end;

    if (Defrag(NULL, NULL, p1, NULL) != NULL)
        goto end;
    if (Defrag(NULL, NULL, p2, NULL) != NULL)
        goto end;

    reassembled = Defrag(NULL, NULL, p3, NULL);
    if (reassembled == NULL) {
        goto end;
    }

    if (IPV4_GET_HLEN(reassembled) != 20) {
        goto end;
    }
    if (IPV4_GET_IPLEN(reassembled) != 39) {
        goto end;
    }

    /* 20 bytes in we should find 8 bytes of A. */
    for (i = 20; i < 20 + 8; i++) {
        if (GET_PKT_DATA(reassembled)[i] != 'A') {
            goto end;
        }
    }

    /* 28 bytes in we should find 8 bytes of B. */
    for (i = 28; i < 28 + 8; i++) {
        if (GET_PKT_DATA(reassembled)[i] != 'B') {
            goto end;
        }
    }

    /* And 36 bytes in we should find 3 bytes of C. */
    for (i = 36; i < 36 + 3; i++) {
        if (GET_PKT_DATA(reassembled)[i] != 'C')
            goto end;
    }

    ret = 1;

end:
    if (p1 != NULL)
        SCFree(p1);
    if (p2 != NULL)
        SCFree(p2);
    if (p3 != NULL)
        SCFree(p3);
    if (reassembled != NULL)
        SCFree(reassembled);

    DefragDestroy();
    return ret;
}
The software does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique.