/**
 * @file
 * Test code for mutt_date_gmtime()
 *
 * @authors
 * Copyright (C) 2019 Richard Russon <rich@flatcap.org>
 * Copyright (C) 2023 Rayford Shireman
 *
 * @copyright
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#define TEST_NO_MAIN
#include "config.h"
#include "acutest.h"
#include <time.h>
#include "mutt/lib.h"
#include "test_common.h"

void test_mutt_date_gmtime(void)
{
  // struct tm mutt_date_gmtime(time_t t);

  {
    TEST_CASE("December, 2000");
    struct tm tm = mutt_date_gmtime(977745600);
    TEST_CHECK_NUM_EQ(tm.tm_sec, 0);
    TEST_CHECK_NUM_EQ(tm.tm_hour, 12);
    TEST_CHECK_NUM_EQ(tm.tm_mday, 25);
    TEST_CHECK_NUM_EQ(tm.tm_mon, 11);
    TEST_CHECK_NUM_EQ(tm.tm_year, 100);
    TEST_CHECK_NUM_EQ(tm.tm_wday, 1);
    TEST_CHECK_NUM_EQ(tm.tm_yday, 359);
  }

  {
    TEST_CASE("June, 2000");
    struct tm tm = mutt_date_gmtime(961930800);
    TEST_CHECK_NUM_EQ(tm.tm_sec, 0);
    TEST_CHECK_NUM_EQ(tm.tm_hour, 11);
    TEST_CHECK_NUM_EQ(tm.tm_mday, 25);
    TEST_CHECK_NUM_EQ(tm.tm_mon, 5);
    TEST_CHECK_NUM_EQ(tm.tm_year, 100);
    TEST_CHECK_NUM_EQ(tm.tm_wday, 0);
    TEST_CHECK_NUM_EQ(tm.tm_yday, 176);
  }

  {
    TEST_CASE("Today");
    struct tm tm = mutt_date_gmtime(mutt_date_now());
    TEST_CHECK(tm.tm_year >= 119);
  }
}
