static int test_offset(int idx)
{
    ASN1_TIME at;
    const TESTDATA *testdata = &tests[idx];
    int ret = -2;
    int day, sec;

    at.data = (unsigned char*)testdata->data;
    at.length = strlen(testdata->data);
    at.type = testdata->type;
    at.flags = 0;

    if (!TEST_true(ASN1_TIME_diff(&day, &sec, &the_asn1_time, &at))) {
        TEST_info("ASN1_TIME_diff() failed for %s\n", at.data);
        return 0;
    }
    if (day > 0)
        ret = 1;
    else if (day < 0)
        ret = -1;
    else if (sec > 0)
        ret = 1;
    else if (sec < 0)
        ret = -1;
    else
        ret = 0;

    if (!TEST_int_eq(testdata->time_result, ret)) {
        TEST_info("ASN1_TIME_diff() test failed for %s day=%d sec=%d\n", at.data, day, sec);
        return 0;
    }

    if (at.type == V_ASN1_UTCTIME)
        ret = ASN1_UTCTIME_cmp_time_t(&at, the_time);
    else
        return 1; /* no other cmp_time_t() functions available, yet */

    if (!TEST_int_eq(testdata->time_result, ret)) {
        TEST_info("ASN1_UTCTIME_cmp_time_t() test failed for %s\n", at.data);
        return 0;
    }

    return 1;
}