/*
 * Copyright 2024 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <math.h>
#include <time.h>

#include <clar.h>

// Tests
///////////////////////////////////////////////////////////
void test_mktime__bithdays(void) {
  struct tm francois_birthday = {
    .tm_sec = 0,
    .tm_min = 44,
    .tm_hour = 10,
    .tm_mday = 30,
    .tm_mon = 4,
    .tm_year = 89,
  }; 
  cl_assert_equal_i(mktime(&francois_birthday), 612528240);

  struct tm rons_birthday = {
    .tm_sec = 17,
    .tm_min = 1,
    .tm_hour = 9,
    .tm_mday = 10,
    .tm_mon = 4,
    .tm_year = 63,
  };
  cl_assert_equal_i(mktime(&rons_birthday), -1);

  struct tm alex_marianetti_birthday = {
    .tm_sec = 29,
    .tm_min = 4,
    .tm_hour = 17,
    .tm_mday = 2,
    .tm_mon = 9,
    .tm_year = 107,
  };
  cl_assert_equal_i(mktime(&alex_marianetti_birthday), 1191344669);

  struct tm chris_birthday = {
    .tm_sec = 59,
    .tm_min = 3,
    .tm_hour = 10,
    .tm_mday = 15,
    .tm_mon = 5,
    .tm_year = 89,
  };
  cl_assert_equal_i(mktime(&chris_birthday), 613908239);
}

void test_mktime__epoch(void) {
  struct tm epoch = {
    .tm_sec = 0,
    .tm_min = 0,
    .tm_hour = 0,
    .tm_mday = 1,
    .tm_mon = 0,
    .tm_year = 70,
  };
  cl_assert_equal_i(mktime(&epoch), 0);
}

void test_mktime__leap(void) {
  struct tm real_leap = {
    .tm_sec = 0,
    .tm_min = 0,
    .tm_hour = 10,
    .tm_mday = 29,
    .tm_mon = 1,
    .tm_year = 112,
  };
  cl_assert_equal_i(mktime(&real_leap), 1330509600);
}