nsprpub/pr/tests/timemac.c

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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  15  * The Original Code is the Netscape Portable Runtime (NSPR).
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  36  * ***** END LICENSE BLOCK ***** */
  37
  38 /*
  39  * file: timemac.c
  40  * description: test time and date routines on the Mac
  41  */
  42 #include <stdio.h>
  43 #include "prinit.h"
  44 #include "prtime.h"
  45
  46 #ifdef XP_MAC
  47 #include "prlog.h"
  48 #define printf PR_LogPrint
  49 extern void SetupMacPrintfLog(char *logFile);
  50 #endif
  51
  52
  53 static char *dayOfWeek[] =
  54         { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "???" };
  55 static char *month[] =
  56         { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
  57           "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", "???" };
  58
  59 static void printExplodedTime(const PRExplodedTime *et) {
  60     PRInt32 totalOffset;
  61     PRInt32 hourOffset, minOffset;
  62     const char *sign;
  63
  64     /* Print day of the week, month, day, hour, minute, and second */
  65     printf( "%s %s %ld %02ld:%02ld:%02ld ",
  66             dayOfWeek[et->tm_wday], month[et->tm_month], et->tm_mday,
  67             et->tm_hour, et->tm_min, et->tm_sec);
  68
  69     /* Print time zone */
  70     totalOffset = et->tm_params.tp_gmt_offset + et->tm_params.tp_dst_offset;
  71     if (totalOffset == 0) {
  72         printf("UTC ");
  73     } else {
  74         sign = "";
  75         if (totalOffset < 0) {
  76             totalOffset = -totalOffset;
  77             sign = "-";
  78         }
  79         hourOffset = totalOffset / 3600;
  80         minOffset = (totalOffset % 3600) / 60;
  81         printf("%s%02ld%02ld ", sign, hourOffset, minOffset);
  82     }
  83
  84     /* Print year */
  85     printf("%d", et->tm_year);
  86 }
  87
  88 int main(int argc, char** argv)
  89 {
  90     PR_STDIO_INIT();
  91     PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
  92
  93
  94 #ifdef XP_MAC
  95         SetupMacPrintfLog("timemac.log");
  96 #endif
  97
  98    /*
  99      *************************************************************
 100      **
 101      **  Testing PR_Now(), PR_ExplodeTime, and PR_ImplodeTime
 102      **  on the current time
 103      **
 104      *************************************************************
 105      */
 106
 107     {
 108         PRTime t1, t2;
 109         PRExplodedTime et;
 110
 111         printf("*********************************************\n");
 112         printf("**                                         **\n");
 113         printf("** Testing PR_Now(), PR_ExplodeTime, and   **\n");
 114         printf("** PR_ImplodeTime on the current time      **\n");
 115         printf("**                                         **\n");
 116         printf("*********************************************\n\n");
 117         t1 = PR_Now();
 118
 119         /* First try converting to UTC */
 120
 121         PR_ExplodeTime(t1, PR_GMTParameters, &et);
 122         if (et.tm_params.tp_gmt_offset || et.tm_params.tp_dst_offset) {
 123             printf("ERROR: UTC has nonzero gmt or dst offset.\n");
 124             return 1;
 125         }
 126         printf("Current UTC is ");
 127         printExplodedTime(&et);
 128         printf("\n");
 129
 130         t2 = PR_ImplodeTime(&et);
 131         if (LL_NE(t1, t2)) {
 132             printf("ERROR: Explode and implode are NOT inverse.\n");
 133             return 1;
 134         }
 135
 136         /* Next, try converting to local (US Pacific) time */
 137
 138         PR_ExplodeTime(t1, PR_LocalTimeParameters, &et);
 139         printf("Current local time is ");
 140         printExplodedTime(&et);
 141         printf("\n");
 142         printf("GMT offset is %ld, DST offset is %ld\n",
 143                 et.tm_params.tp_gmt_offset, et.tm_params.tp_dst_offset);
 144         t2 = PR_ImplodeTime(&et);
 145         if (LL_NE(t1, t2)) {
 146             printf("ERROR: Explode and implode are NOT inverse.\n");
 147             return 1;
 148         }
 149     }
 150
 151     printf("Please examine the results\n");
 152     return 0;
 153 }