test/testdate.c

   1 /* Licensed to the Apache Software Foundation (ASF) under one or more
   2  * contributor license agreements.  See the NOTICE file distributed with
   3  * this work for additional information regarding copyright ownership.
   4  * The ASF licenses this file to You under the Apache License, Version 2.0
   5  * (the "License"); you may not use this file except in compliance with
   6  * the License.  You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include "abts.h"
  18 #include "testutil.h"
  19 #include "apr_date.h"
  20 #include "apr_general.h"
  21
  22 #if APR_HAVE_TIME_H
  23 #include <time.h>
  24 #endif /* APR_HAVE_TIME_H */
  25
  26 static struct datetest {
  27   const char *input;
  28   const char *output;
  29 } tests[] = {
  30   { "Mon, 27 Feb 1995 20:49:44 -0800",  "Tue, 28 Feb 1995 04:49:44 GMT" },
  31   { "Fri,  1 Jul 2005 11:34:25 -0400",  "Fri, 01 Jul 2005 15:34:25 GMT" },
  32   { "Monday, 27-Feb-95 20:49:44 -0800", "Tue, 28 Feb 1995 04:49:44 GMT" },
  33   { "Tue, 4 Mar 1997 12:43:52 +0200",   "Tue, 04 Mar 1997 10:43:52 GMT" },
  34   { "Mon, 27 Feb 95 20:49:44 -0800",    "Tue, 28 Feb 1995 04:49:44 GMT" },
  35   { "Tue,  4 Mar 97 12:43:52 +0200",    "Tue, 04 Mar 1997 10:43:52 GMT" },
  36   { "Tue, 4 Mar 97 12:43:52 +0200",     "Tue, 04 Mar 1997 10:43:52 GMT" },
  37   { "Mon, 27 Feb 95 20:49 GMT",         "Mon, 27 Feb 1995 20:49:00 GMT" },
  38   { "Tue, 4 Mar 97 12:43 GMT",          "Tue, 04 Mar 1997 12:43:00 GMT" },
  39   { NULL, NULL }
  40 };
  41
  42 static const apr_time_t year2secs[] = {
  43              APR_INT64_C(0),    /* 1970 */
  44       APR_INT64_C(31536000),    /* 1971 */
  45       APR_INT64_C(63072000),    /* 1972 */
  46       APR_INT64_C(94694400),    /* 1973 */
  47      APR_INT64_C(126230400),    /* 1974 */
  48      APR_INT64_C(157766400),    /* 1975 */
  49      APR_INT64_C(189302400),    /* 1976 */
  50      APR_INT64_C(220924800),    /* 1977 */
  51      APR_INT64_C(252460800),    /* 1978 */
  52      APR_INT64_C(283996800),    /* 1979 */
  53      APR_INT64_C(315532800),    /* 1980 */
  54      APR_INT64_C(347155200),    /* 1981 */
  55      APR_INT64_C(378691200),    /* 1982 */
  56      APR_INT64_C(410227200),    /* 1983 */
  57      APR_INT64_C(441763200),    /* 1984 */
  58      APR_INT64_C(473385600),    /* 1985 */
  59      APR_INT64_C(504921600),    /* 1986 */
  60      APR_INT64_C(536457600),    /* 1987 */
  61      APR_INT64_C(567993600),    /* 1988 */
  62      APR_INT64_C(599616000),    /* 1989 */
  63      APR_INT64_C(631152000),    /* 1990 */
  64      APR_INT64_C(662688000),    /* 1991 */
  65      APR_INT64_C(694224000),    /* 1992 */
  66      APR_INT64_C(725846400),    /* 1993 */
  67      APR_INT64_C(757382400),    /* 1994 */
  68      APR_INT64_C(788918400),    /* 1995 */
  69      APR_INT64_C(820454400),    /* 1996 */
  70      APR_INT64_C(852076800),    /* 1997 */
  71      APR_INT64_C(883612800),    /* 1998 */
  72      APR_INT64_C(915148800),    /* 1999 */
  73      APR_INT64_C(946684800),    /* 2000 */
  74      APR_INT64_C(978307200),    /* 2001 */
  75     APR_INT64_C(1009843200),    /* 2002 */
  76     APR_INT64_C(1041379200),    /* 2003 */
  77     APR_INT64_C(1072915200),    /* 2004 */
  78     APR_INT64_C(1104537600),    /* 2005 */
  79     APR_INT64_C(1136073600),    /* 2006 */
  80     APR_INT64_C(1167609600),    /* 2007 */
  81     APR_INT64_C(1199145600),    /* 2008 */
  82     APR_INT64_C(1230768000),    /* 2009 */
  83     APR_INT64_C(1262304000),    /* 2010 */
  84     APR_INT64_C(1293840000),    /* 2011 */
  85     APR_INT64_C(1325376000),    /* 2012 */
  86     APR_INT64_C(1356998400),    /* 2013 */
  87     APR_INT64_C(1388534400),    /* 2014 */
  88     APR_INT64_C(1420070400),    /* 2015 */
  89     APR_INT64_C(1451606400),    /* 2016 */
  90     APR_INT64_C(1483228800),    /* 2017 */
  91     APR_INT64_C(1514764800),    /* 2018 */
  92     APR_INT64_C(1546300800),    /* 2019 */
  93     APR_INT64_C(1577836800),    /* 2020 */
  94     APR_INT64_C(1609459200),    /* 2021 */
  95     APR_INT64_C(1640995200),    /* 2022 */
  96     APR_INT64_C(1672531200),    /* 2023 */
  97     APR_INT64_C(1704067200),    /* 2024 */
  98     APR_INT64_C(1735689600),    /* 2025 */
  99     APR_INT64_C(1767225600),    /* 2026 */
 100     APR_INT64_C(1798761600),    /* 2027 */
 101     APR_INT64_C(1830297600),    /* 2028 */
 102     APR_INT64_C(1861920000),    /* 2029 */
 103     APR_INT64_C(1893456000),    /* 2030 */
 104     APR_INT64_C(1924992000),    /* 2031 */
 105     APR_INT64_C(1956528000),    /* 2032 */
 106     APR_INT64_C(1988150400),    /* 2033 */
 107     APR_INT64_C(2019686400),    /* 2034 */
 108     APR_INT64_C(2051222400),    /* 2035 */
 109     APR_INT64_C(2082758400),    /* 2036 */
 110     APR_INT64_C(2114380800),    /* 2037 */
 111     APR_INT64_C(2145916800)     /* 2038 */
 112 };
 113
 114 const char month_snames[12][4] = {
 115     "Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"
 116 };
 117
 118 /* XXX: non-portable */
 119 static void gm_timestr_822(char *ts, apr_time_t sec)
 120 {
 121     static const char *const days[7]=
 122         {"Sun","Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
 123     struct tm *tms;
 124     time_t ls = (time_t)sec;
 125
 126     tms = gmtime(&ls);
 127
 128     sprintf(ts, "%s, %.2d %s %d %.2d:%.2d:%.2d GMT", days[tms->tm_wday],
 129             tms->tm_mday, month_snames[tms->tm_mon], tms->tm_year + 1900,
 130             tms->tm_hour, tms->tm_min, tms->tm_sec);
 131 }
 132
 133 /* Linear congruential generator */
 134 static apr_uint32_t lgc(apr_uint32_t a)
 135 {
 136     apr_uint64_t z = a;
 137     z *= 279470273;
 138     z %= APR_UINT64_C(4294967291);
 139     return (apr_uint32_t)z;
 140 }
 141
 142 static void test_date_parse_http(abts_case *tc, void *data)
 143 {
 144     int year, i;
 145     apr_time_t guess;
 146     apr_time_t offset = 0;
 147     apr_time_t secstodate, newsecs;
 148     char datestr[50];
 149
 150     for (year = 1970; year < 2038; ++year) {
 151         secstodate = year2secs[year - 1970] + offset;
 152         gm_timestr_822(datestr, secstodate);
 153         secstodate *= APR_USEC_PER_SEC;
 154         newsecs = apr_date_parse_http(datestr);
 155         ABTS_TRUE(tc, secstodate == newsecs);
 156     }
 157
 158 #if APR_HAS_RANDOM
 159     apr_generate_random_bytes((unsigned char *)&guess, sizeof(guess));
 160 #else
 161     guess = apr_time_now() % APR_TIME_C(4294967291);
 162 #endif
 163
 164     for (i = 0; i < 10000; ++i) {
 165         guess = (time_t)lgc((apr_uint32_t)guess);
 166         if (guess < 0)
 167             guess *= -1;
 168         secstodate = guess + offset;
 169         gm_timestr_822(datestr, secstodate);
 170         secstodate *= APR_USEC_PER_SEC;
 171         newsecs = apr_date_parse_http(datestr);
 172         ABTS_TRUE(tc, secstodate == newsecs);
 173     }
 174 }
 175
 176 static void test_date_rfc(abts_case *tc, void *data)
 177 {
 178     apr_time_t date;
 179     int i = 0;
 180
 181     while (tests[i].input) {
 182         char str_date[APR_RFC822_DATE_LEN] = { 0 };
 183
 184         date = apr_date_parse_rfc(tests[i].input);
 185
 186         apr_rfc822_date(str_date, date);
 187
 188         ABTS_STR_EQUAL(tc, str_date, tests[i].output);
 189
 190         i++;
 191     }
 192 }
 193
 194 abts_suite *testdate(abts_suite *suite)
 195 {
 196     suite = ADD_SUITE(suite);
 197
 198     abts_run_test(suite, test_date_parse_http, NULL);
 199     abts_run_test(suite, test_date_rfc, NULL);
 200
 201     return suite;
 202 }