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/* DO NOT REMOVE the config.h include file under any circumstances,
* it's very much needed on some platforms */
#if defined(HAVE_CONFIG_H)
#include "config.h"
#endif
/* DO NOT REMOVE the above config.h include file under any
* circumstances as long as it's the autoconf configuration header
* used to build this package. When it's missing on some platforms,
* some poor person has to do long, tedious debugging sessions, where
* struct offsets almost imperceptibly change from one file to the
* next to find out what happened */
#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#include "normalize_month.h"
int
main(void)
{
static const int vals[] = { -12, -17, 17, 11, -769652651 };
enum
{
numVals = sizeof(vals) / sizeof(vals[0])
};
for (size_t i = 0; i < numVals; ++i)
{
enum
{
startYear = 1900
};
int month = vals[i];
struct YearMonth ym = normalize_month(startYear, month);
if ((long) ym.year * 12 + ym.month != (long) startYear * 12 + month)
{
fprintf(stderr,
"problem: month=%d, ym.month=%d, ym.year=%d\n"
"(long)ym.year * 12 + ym.month = %ld\n"
"(long)startYear * 12 + month = %ld\n",
month, ym.month, ym.year, (long) ym.year * 12 + ym.month, (long) startYear * 12 + month);
abort();
}
}
{
struct timeval tv;
if (gettimeofday(&tv, NULL))
{
perror("failed to get time for random number generator initialization");
exit(EXIT_FAILURE);
}
srandom((unsigned) (tv.tv_sec ^ tv.tv_usec));
}
for (size_t j = 0; j < 1000000; ++j)
{
int year = (int) (random() - RAND_MAX / 2), month = (int) (random() - RAND_MAX / 2);
struct YearMonth ym = normalize_month(year, month);
if ((long) ym.year * 12 + ym.month != (long) year * 12 + month)
{
fprintf(stderr,
"problem: month=%d, ym.month=%d, ym.year=%d\n"
"(long)ym.year * 12 + ym.month = %ld\n"
"(long)year * 12 + month = %ld\n",
month, ym.month, ym.year, (long) ym.year * 12 + ym.month, (long) year * 12 + month);
abort();
}
}
return EXIT_SUCCESS;
}
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