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/* This program tests the parseHTTPdate 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
*/
#define AP_DECLARE(x) x
#include <stdio.h>
#include <stdlib.h>
#include "util_date.h"
static const long year2secs[] = {
0L, /* 1970 */
31536000L, /* 1971 */
63072000L, /* 1972 */
94694400L, /* 1973 */
126230400L, /* 1974 */
157766400L, /* 1975 */
189302400L, /* 1976 */
220924800L, /* 1977 */
252460800L, /* 1978 */
283996800L, /* 1979 */
315532800L, /* 1980 */
347155200L, /* 1981 */
378691200L, /* 1982 */
410227200L, /* 1983 */
441763200L, /* 1984 */
473385600L, /* 1985 */
504921600L, /* 1986 */
536457600L, /* 1987 */
567993600L, /* 1988 */
599616000L, /* 1989 */
631152000L, /* 1990 */
662688000L, /* 1991 */
694224000L, /* 1992 */
725846400L, /* 1993 */
757382400L, /* 1994 */
788918400L, /* 1995 */
820454400L, /* 1996 */
852076800L, /* 1997 */
883612800L, /* 1998 */
915148800L, /* 1999 */
946684800L, /* 2000 */
978307200L, /* 2001 */
1009843200L, /* 2002 */
1041379200L, /* 2003 */
1072915200L, /* 2004 */
1104537600L, /* 2005 */
1136073600L, /* 2006 */
1167609600L, /* 2007 */
1199145600L, /* 2008 */
1230768000L, /* 2009 */
1262304000L, /* 2010 */
1293840000L, /* 2011 */
1325376000L, /* 2012 */
1356998400L, /* 2013 */
1388534400L, /* 2014 */
1420070400L, /* 2015 */
1451606400L, /* 2016 */
1483228800L, /* 2017 */
1514764800L, /* 2018 */
1546300800L, /* 2019 */
1577836800L, /* 2020 */
1609459200L, /* 2021 */
1640995200L, /* 2022 */
1672531200L, /* 2023 */
1704067200L, /* 2024 */
1735689600L, /* 2025 */
1767225600L, /* 2026 */
1798761600L, /* 2027 */
1830297600L, /* 2028 */
1861920000L, /* 2029 */
1893456000L, /* 2030 */
1924992000L, /* 2031 */
1956528000L, /* 2032 */
1988150400L, /* 2033 */
2019686400L, /* 2034 */
2051222400L, /* 2035 */
2082758400L, /* 2036 */
2114380800L, /* 2037 */
2145916800L /* 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, time_t sec)
{
static const char *const days[7]=
{"Sun","Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
struct tm *tms;
tms = gmtime(&sec);
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, time_t sec)
{
static const char *const days[7]=
{"Sunday","Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
struct tm *tms;
int year;
tms = gmtime(&sec);
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, time_t sec)
{
static const char *const days[7]=
{"Sun","Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
struct tm *tms;
tms = gmtime(&sec);
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;
time_t guess;
time_t offset = 0;
/* time_t offset = 0; */
/* time_t offset = ((31 + 28) * 24 * 3600) - 1; */
time_t secstodate, newsecs;
char datestr[50];
for (year = 1970; year < 2038; ++year) {
secstodate = (time_t)year2secs[year - 1970] + offset;
gm_timestr_822(datestr, secstodate);
newsecs = parseHTTPdate(datestr);
if (secstodate == newsecs)
printf("Yes %4d %11ld %s\n", year, (long)secstodate, datestr);
else if (newsecs == BAD_DATE)
printf("No %4d %11ld %11ld %s\n", year, (long)secstodate,
(long)newsecs, datestr);
else
printf("No* %4d %11ld %11ld %s\n", year, (long)secstodate,
(long)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);
newsecs = parseHTTPdate(datestr);
if (secstodate == newsecs)
printf("Yes %11ld %s\n", (long)secstodate, datestr);
else if (newsecs == BAD_DATE)
printf("No %11ld %11ld %s\n", (long)secstodate,
(long)newsecs, datestr);
else
printf("No* %11ld %11ld %s\n", (long)secstodate,
(long)newsecs, datestr);
}
exit(0);
}
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