/*
* Seen in the wild, generated by Apple Mail: a date
* which is a valid UNIX time_t because it's in the first
* hour of 1970 in UTC, but expressed in a timezone which
* makes it be in the last day of 1969. This is weird
* and probably technically valid but does not need to
* be supported, but we do need to fail gracefully.
*/
static void test_zerohour(void)
{
static const char DATETIME_NY[] = "Wed, 31 Dec 1969 19:36:29 -0500";
static const char DATETIME_MEL[] = " 1-Jan-1970 11:36:29 +1100";
static const time_t TIMET = 2189;
time_t t;
int r;
char buf[RFC3501_DATETIME_MAX+1];
t = UNINIT_TIMET;
r = time_from_rfc822(DATETIME_NY, &t);
CU_ASSERT_EQUAL(r, -1);
CU_ASSERT_EQUAL(t, UNINIT_TIMET); /* fail gracefully */
push_tz(TZ_UTC);
t = UNINIT_TIMET;
r = time_from_rfc822(DATETIME_NY, &t);
CU_ASSERT_EQUAL(r, -1);
CU_ASSERT_EQUAL(t, UNINIT_TIMET); /* fail gracefully */
pop_tz();
push_tz(TZ_NEWYORK);
t = UNINIT_TIMET;
r = time_from_rfc822(DATETIME_NY, &t);
CU_ASSERT_EQUAL(r, -1);
CU_ASSERT_EQUAL(t, UNINIT_TIMET); /* fail gracefully */
pop_tz();
memset(buf, 0, sizeof(buf));
time_to_rfc3501(TIMET, buf, sizeof(buf));
CU_ASSERT_STRING_EQUAL(buf, DATETIME_MEL);
}
/*
* Test time_to_rfc822()
*/
static void test_gen_rfc822(void)
{
static const char DATETIME_MEL[] = "Fri, 26 Nov 2010 14:22:02 +1100";
static const char DATETIME_UTC[] = "Fri, 26 Nov 2010 03:22:02 +0000";
static const char DATETIME_NYC[] = "Thu, 25 Nov 2010 22:22:02 -0500";
static const time_t TIMET = 1290741722;
int r;
char buf[RFC822_DATETIME_MAX+1];
memset(buf, 0x45, sizeof(buf));
r = time_to_rfc822(TIMET, buf, sizeof(buf));
CU_ASSERT_EQUAL(r, 31);
CU_ASSERT_STRING_EQUAL(buf, DATETIME_MEL);
push_tz(TZ_UTC);
memset(buf, 0x45, sizeof(buf));
r = time_to_rfc822(TIMET, buf, sizeof(buf));
CU_ASSERT_EQUAL(r, 31);
CU_ASSERT_STRING_EQUAL(buf, DATETIME_UTC);
pop_tz();
push_tz(TZ_NEWYORK);
memset(buf, 0x45, sizeof(buf));
r = time_to_rfc822(TIMET, buf, sizeof(buf));
CU_ASSERT_EQUAL(r, 31);
CU_ASSERT_STRING_EQUAL(buf, DATETIME_NYC);
pop_tz();
}
/*
* Test time_from_rfc822()
*/
static void test_parse_rfc822(void)
{
static const char DATETIME[] = "Tue, 16 Nov 2010 12:46:49 +1100";
static const time_t TIMET = 1289872009;
time_t t;
int r;
/*
* Convert the datetime string into a time_t, which is always
* expressed in UTC regardless of the current timezone.
*/
t = UNINIT_TIMET;
r = time_from_rfc822(DATETIME, &t);
CU_ASSERT_EQUAL(r, 31);
CU_ASSERT_EQUAL(t, TIMET);
push_tz(TZ_UTC);
t = UNINIT_TIMET;
r = time_from_rfc822(DATETIME, &t);
CU_ASSERT_EQUAL(r, 31);
CU_ASSERT_EQUAL(t, TIMET);
pop_tz();
push_tz(TZ_NEWYORK);
t = UNINIT_TIMET;
r = time_from_rfc822(DATETIME, &t);
CU_ASSERT_EQUAL(r, 31);
CU_ASSERT_EQUAL(t, TIMET);
pop_tz();
}
static int tear_down(void)
{
pop_tz();
if (n_tz_stack != 1)
return -1;
return 0;
}
void restore_tz(void)
{
while (n_tz_stack > 1)
pop_tz();
}
