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/* This program tests the date_parse_http routine in ../main/util_date.c.
*
* It is only semiautomated in that I would run it, modify the code to
* use a different algorithm or seed, recompile and run again, etc.
* Obviously it should use an argument for that, but I never got around
* to changing the implementation.
*
* gcc -g -O2 -I../main -o test_date ../main/util_date.o test_date.c
* test_date | egrep '^No '
*
* Roy Fielding, 1996
*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "apr_date.h"
#ifndef srand48
#define srand48 srandom
#endif
#ifndef mrand48
#define mrand48 random
#endif
void gm_timestr_822(char *ts, apr_time_t sec);
void gm_timestr_850(char *ts, apr_time_t sec);
void gm_timestr_ccc(char *ts, apr_time_t sec);
static const apr_time_t year2secs[] = {
APR_INT64_C(0), /* 1970 */
APR_INT64_C(31536000), /* 1971 */
APR_INT64_C(63072000), /* 1972 */
APR_INT64_C(94694400), /* 1973 */
APR_INT64_C(126230400), /* 1974 */
APR_INT64_C(157766400), /* 1975 */
APR_INT64_C(189302400), /* 1976 */
APR_INT64_C(220924800), /* 1977 */
APR_INT64_C(252460800), /* 1978 */
APR_INT64_C(283996800), /* 1979 */
APR_INT64_C(315532800), /* 1980 */
APR_INT64_C(347155200), /* 1981 */
APR_INT64_C(378691200), /* 1982 */
APR_INT64_C(410227200), /* 1983 */
APR_INT64_C(441763200), /* 1984 */
APR_INT64_C(473385600), /* 1985 */
APR_INT64_C(504921600), /* 1986 */
APR_INT64_C(536457600), /* 1987 */
APR_INT64_C(567993600), /* 1988 */
APR_INT64_C(599616000), /* 1989 */
APR_INT64_C(631152000), /* 1990 */
APR_INT64_C(662688000), /* 1991 */
APR_INT64_C(694224000), /* 1992 */
APR_INT64_C(725846400), /* 1993 */
APR_INT64_C(757382400), /* 1994 */
APR_INT64_C(788918400), /* 1995 */
APR_INT64_C(820454400), /* 1996 */
APR_INT64_C(852076800), /* 1997 */
APR_INT64_C(883612800), /* 1998 */
APR_INT64_C(915148800), /* 1999 */
APR_INT64_C(946684800), /* 2000 */
APR_INT64_C(978307200), /* 2001 */
APR_INT64_C(1009843200), /* 2002 */
APR_INT64_C(1041379200), /* 2003 */
APR_INT64_C(1072915200), /* 2004 */
APR_INT64_C(1104537600), /* 2005 */
APR_INT64_C(1136073600), /* 2006 */
APR_INT64_C(1167609600), /* 2007 */
APR_INT64_C(1199145600), /* 2008 */
APR_INT64_C(1230768000), /* 2009 */
APR_INT64_C(1262304000), /* 2010 */
APR_INT64_C(1293840000), /* 2011 */
APR_INT64_C(1325376000), /* 2012 */
APR_INT64_C(1356998400), /* 2013 */
APR_INT64_C(1388534400), /* 2014 */
APR_INT64_C(1420070400), /* 2015 */
APR_INT64_C(1451606400), /* 2016 */
APR_INT64_C(1483228800), /* 2017 */
APR_INT64_C(1514764800), /* 2018 */
APR_INT64_C(1546300800), /* 2019 */
APR_INT64_C(1577836800), /* 2020 */
APR_INT64_C(1609459200), /* 2021 */
APR_INT64_C(1640995200), /* 2022 */
APR_INT64_C(1672531200), /* 2023 */
APR_INT64_C(1704067200), /* 2024 */
APR_INT64_C(1735689600), /* 2025 */
APR_INT64_C(1767225600), /* 2026 */
APR_INT64_C(1798761600), /* 2027 */
APR_INT64_C(1830297600), /* 2028 */
APR_INT64_C(1861920000), /* 2029 */
APR_INT64_C(1893456000), /* 2030 */
APR_INT64_C(1924992000), /* 2031 */
APR_INT64_C(1956528000), /* 2032 */
APR_INT64_C(1988150400), /* 2033 */
APR_INT64_C(2019686400), /* 2034 */
APR_INT64_C(2051222400), /* 2035 */
APR_INT64_C(2082758400), /* 2036 */
APR_INT64_C(2114380800), /* 2037 */
APR_INT64_C(2145916800) /* 2038 */
};
const char month_snames[12][4] = {
"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"
};
void gm_timestr_822(char *ts, apr_time_t sec)
{
static const char *const days[7]=
{"Sun","Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
struct tm *tms;
time_t ls = (time_t)sec;
tms = gmtime(&ls);
sprintf(ts, "%s, %.2d %s %d %.2d:%.2d:%.2d GMT", days[tms->tm_wday],
tms->tm_mday, month_snames[tms->tm_mon], tms->tm_year + 1900,
tms->tm_hour, tms->tm_min, tms->tm_sec);
}
void gm_timestr_850(char *ts, apr_time_t sec)
{
static const char *const days[7]=
{"Sunday","Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
"Saturday"};
struct tm *tms;
int year;
time_t ls = (time_t)sec;
tms = gmtime(&ls);
year = tms->tm_year;
if (year >= 100) year -= 100;
sprintf(ts, "%s, %.2d-%s-%.2d %.2d:%.2d:%.2d GMT", days[tms->tm_wday],
tms->tm_mday, month_snames[tms->tm_mon], year,
tms->tm_hour, tms->tm_min, tms->tm_sec);
}
void gm_timestr_ccc(char *ts, apr_time_t sec)
{
static const char *const days[7]=
{"Sun","Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
struct tm *tms;
time_t ls = (time_t)sec;
tms = gmtime(&ls);
sprintf(ts, "%s %s %2d %.2d:%.2d:%.2d %d", days[tms->tm_wday],
month_snames[tms->tm_mon], tms->tm_mday,
tms->tm_hour, tms->tm_min, tms->tm_sec, tms->tm_year + 1900);
}
int main (void)
{
int year, i;
apr_time_t guess;
apr_time_t offset = 0;
/* apr_time_t offset = 0; */
/* apr_time_t offset = ((31 + 28) * 24 * 3600) - 1; */
apr_time_t secstodate, newsecs;
char datestr[50];
for (year = 1970; year < 2038; ++year) {
secstodate = year2secs[year - 1970] + offset;
gm_timestr_822(datestr, secstodate);
secstodate *= APR_USEC_PER_SEC;
newsecs = apr_date_parse_http(datestr);
if (secstodate == newsecs)
printf("Yes %4d %19" APR_TIME_T_FMT " %s\n", year, secstodate, datestr);
else if (newsecs == APR_DATE_BAD)
printf("No %4d %19" APR_TIME_T_FMT " %19" APR_TIME_T_FMT " %s\n",
year, secstodate, newsecs, datestr);
else
printf("No* %4d %19" APR_TIME_T_FMT " %19" APR_TIME_T_FMT " %s\n",
year, secstodate, newsecs, datestr);
}
srand48(978245L);
for (i = 0; i < 10000; ++i) {
guess = (time_t)mrand48();
if (guess < 0) guess *= -1;
secstodate = guess + offset;
gm_timestr_822(datestr, secstodate);
secstodate *= APR_USEC_PER_SEC;
newsecs = apr_date_parse_http(datestr);
if (secstodate == newsecs)
printf("Yes %" APR_TIME_T_FMT " %s\n", secstodate, datestr);
else if (newsecs == APR_DATE_BAD)
printf("No %" APR_TIME_T_FMT " %" APR_TIME_T_FMT " %s\n",
secstodate, newsecs, datestr);
else
printf("No* %" APR_TIME_T_FMT " %" APR_TIME_T_FMT " %s\n",
secstodate, newsecs, datestr);
}
exit(0);
}
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