* Copyright 2003-2009, Axel Dörfler, axeld@pinc-software.de.
* Distributed under the terms of the MIT License.
*/
#include <SupportDefs.h>
#include <parsedate.h>
#include <stdio.h>
#include <stdlib.h>
#define ABSOLUTE 0
#define UNKNOWN 0
#define DAY_RELATIVE PARSEDATE_RELATIVE_TIME
#define MINUTE_RELATIVE (PARSEDATE_RELATIVE_TIME \
| PARSEDATE_MINUTE_RELATIVE_TIME)
#define INVALID PARSEDATE_INVALID_DATE
const char*
parsedate_flags_to_string(time_t result, int flags)
{
if (result == -1) {
if ((flags & PARSEDATE_INVALID_DATE) != 0)
return "invalid";
return "unknown";
}
if ((flags & PARSEDATE_RELATIVE_TIME) != 0) {
if ((flags & PARSEDATE_MINUTE_RELATIVE_TIME) != 0)
return "minute relative";
return "day relative";
}
return "absolute";
}
int
main(int argc, char** argv)
{
time_t now = 1249471430;
struct test {
time_t result;
const char* date;
int flags;
bool uses_dst;
bool requires_zone_shift;
};
static const test kDates[] = {
{1248739200, "last tuesday", DAY_RELATIVE, true, true},
{1249430400, "today", DAY_RELATIVE, true, true},
{1249948800, "next tuesday", DAY_RELATIVE, true, true},
{1249344000, "tuesday", DAY_RELATIVE, true, true},
{1249467830, "last hour", MINUTE_RELATIVE, true, false},
{1249475030, "1 hour", MINUTE_RELATIVE, true, false},
{now, "now", MINUTE_RELATIVE, true, false},
{219456000, "1976-12-15", ABSOLUTE, false, true},
{219456000, "12/15/1976", ABSOLUTE, false, true},
{219456000, "1976/12/15", ABSOLUTE, false, true},
{219456000, "15.12.1976", ABSOLUTE, false, true},
{1061596800, "Sat, 08/23/2003", ABSOLUTE, true, true},
{1061596800, "Sun, 08/23/2003", ABSOLUTE, true, true},
{-1, "", INVALID, false, false},
{1249873200, "next monday 3:00", DAY_RELATIVE, true, true},
{1249533720, "thursday 4:42", DAY_RELATIVE, true, true},
{1249533740, "thursday +4:42:20", DAY_RELATIVE, true, true},
{1249533720, "this thursday 4:42", DAY_RELATIVE, true, true},
{1249473950, "42 minutes", MINUTE_RELATIVE, true, false},
{1250640000, "2 weeks", DAY_RELATIVE, true, true},
{1249471730, "next 5 minutes", MINUTE_RELATIVE, true, false},
{1249470530, "last 15 minutes", MINUTE_RELATIVE, true, false},
{1249470530, "-15 minutes", MINUTE_RELATIVE, true, false},
{1249486380, "3:33pm GMT", DAY_RELATIVE, true, false},
{739706403, "Mon, June 10th, 1993 10:00:03 am GMT", ABSOLUTE, true, false},
{-1, "Sat, 16 Aug Ìîñêîâñêîå âðåìÿ (çèìà)", INVALID, false, false},
{739706403, "Mon, June 10th, 1993 10:00:03 am UTC", ABSOLUTE, true, false},
{739699203, "Mon, June 10th, 1993 10:00:03 am CEST", ABSOLUTE, true, false},
{739706403, "Mon, June 10th, 1993 10:00:03 am +0000", ABSOLUTE, true, false},
{-1, "Mon, June 10th, 1993 10:00:03 am 0000", UNKNOWN, true, false},
{739702803, "Mon, June 10th, 1993 10:00:03 am +0100", ABSOLUTE, true, false},
{739731603, "Mon, June 10th, 1993 10:00:03 am -0700", ABSOLUTE, true, false},
{739654203, "Mon, June 10th, 1993 06:00:03 am ACDT", ABSOLUTE, true, false},
{1291204800, "01 Dec 10 12:00", ABSOLUTE, false, true},
{-1, NULL, 0, false}
};
bool verbose = argc > 1;
if (verbose)
printf("All times relative to: %s (%ld)\n", ctime(&now), now);
struct TzInfo {
const char* timezone;
time_t std_offset;
time_t dst_offset;
};
TzInfo tzInfo[] = {
{ "GMT", 0 },
{ "Europe/Berlin", -1 * 3600, -2 * 3600 },
{ "Asia/Tokyo", -9 * 3600, -9 * 3600 },
{ "America/Los_Angeles", 8 * 3600, 7 * 3600 },
{ NULL, 0, 0 }
};
for (int tz = 0; tzInfo[tz].timezone != NULL; tz++) {
printf("timezone: %s ...\n", tzInfo[tz].timezone);
setenv("TZ", tzInfo[tz].timezone, 1);
tzset();
for (int32 i = 0; kDates[i].date; i++) {
int flags = 0;
time_t result = parsedate_etc(kDates[i].date, now, &flags);
time_t expectedResult = kDates[i].result;
if (kDates[i].requires_zone_shift) {
expectedResult +=
kDates[i].uses_dst
? tzInfo[tz].dst_offset
: tzInfo[tz].std_offset;
}
bool failure = false;
if (flags != kDates[i].flags || result != expectedResult)
failure = true;
if (failure) {
printf(
"FAILURE: parsing time at index %ld (should be %ld, %s)\n",
i, expectedResult,
parsedate_flags_to_string(expectedResult, flags));
}
if (verbose || failure) {
printf("\"%s\" = %ld (%s) -> %s", kDates[i].date, result,
parsedate_flags_to_string(result, flags), result == -1
? "-\n" : ctime(&result));
}
}
}
return 0;
}
