/*

 * Copyright 2015-2017 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the OpenSSL license (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

#include <openssl/crypto.h>

#include "testutil.h"

#define SECS_PER_DAY (24 * 60 * 60)

/*

 * Time checking test code. Check times are identical for a wide range of

 * offsets. This should be run on a machine with 64 bit time_t or it will

 * trigger the very errors the routines fix.

 */

static int check_time(long offset)

{

    struct tm tm1, tm2, o1;

    int off_day, off_sec;

    long toffset;

    time_t t1, t2;

    time(&t1;;

    t2 = t1 + offset;

    OPENSSL_gmtime(&t2, &tm2);

    OPENSSL_gmtime(&t1, &tm1);

    o1 = tm1;

    OPENSSL_gmtime_adj(&tm1, 0, offset);

    if (!TEST_int_eq(tm1.tm_year, tm2.tm_year)

        || !TEST_int_eq(tm1.tm_mon, tm2.tm_mon)

        || !TEST_int_eq(tm1.tm_mday, tm2.tm_mday)

        || !TEST_int_eq(tm1.tm_hour, tm2.tm_hour)

        || !TEST_int_eq(tm1.tm_min, tm2.tm_min)

        || !TEST_int_eq(tm1.tm_sec, tm2.tm_sec)

        || !TEST_true(OPENSSL_gmtime_diff(&off_day, &off_sec, &o1, &tm1)))

        return 0;

    toffset = (long)off_day * SECS_PER_DAY + off_sec;

    if (!TEST_long_eq(offset, toffset))

        return 0;

    return 1;

}

static int test_gmtime(int offset)

{

    return check_time(offset) &&

           check_time(-offset) &&

           check_time(offset * 1000L) &&

           check_time(-offset * 1000L);

}

int setup_tests(void)

{

    if (sizeof(time_t) < 8)

        TEST_info("Skipping; time_t is less than 64-bits");

    else

        ADD_ALL_TESTS_NOSUBTEST(test_gmtime, 1000000);

    return 1;

}