The Tor Browser: nsprpub/pr/tests/timemac.c@ca08bd8f51b2

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /*

     7  * file: timemac.c

     8  * description: test time and date routines on the Mac

     9  */

    10 #include <stdio.h>

    11 #include "prinit.h"

    12 #include "prtime.h"

    15 static char *dayOfWeek[] =

    16 	{ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "???" };

    17 static char *month[] =

    18 	{ "Jan", "Feb", "Mar", "Apr", "May", "Jun",

    19 	  "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", "???" };

    21 static void printExplodedTime(const PRExplodedTime *et) {

    22     PRInt32 totalOffset;

    23     PRInt32 hourOffset, minOffset;

    24     const char *sign;

    26     /* Print day of the week, month, day, hour, minute, and second */

    27     printf( "%s %s %ld %02ld:%02ld:%02ld ",

    28 	    dayOfWeek[et->tm_wday], month[et->tm_month], et->tm_mday,

    29 	    et->tm_hour, et->tm_min, et->tm_sec);

    31     /* Print time zone */

    32     totalOffset = et->tm_params.tp_gmt_offset + et->tm_params.tp_dst_offset;

    33     if (totalOffset == 0) {

    34 	printf("UTC ");

    35     } else {

    36         sign = "";

    37         if (totalOffset < 0) {

    38 	    totalOffset = -totalOffset;

    39 	    sign = "-";

    40         }

    41         hourOffset = totalOffset / 3600;

    42         minOffset = (totalOffset % 3600) / 60;

    43         printf("%s%02ld%02ld ", sign, hourOffset, minOffset);

    44     }

    46     /* Print year */

    47     printf("%d", et->tm_year);

    48 }

    50 int main(int argc, char** argv)

    51 {

    52     PR_STDIO_INIT();

    53     PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);

    56    /*

    57      *************************************************************

    58      **

    59      **  Testing PR_Now(), PR_ExplodeTime, and PR_ImplodeTime

    60      **  on the current time

    61      **

    62      *************************************************************

    63      */

    65     {

    66 	PRTime t1, t2;

    67 	PRExplodedTime et;

    69 	printf("*********************************************\n");

    70 	printf("**                                         **\n");

    71         printf("** Testing PR_Now(), PR_ExplodeTime, and   **\n");

    72 	printf("** PR_ImplodeTime on the current time      **\n");

    73 	printf("**                                         **\n");

    74 	printf("*********************************************\n\n");

    75         t1 = PR_Now();

    77         /* First try converting to UTC */

    79         PR_ExplodeTime(t1, PR_GMTParameters, &et);

    80         if (et.tm_params.tp_gmt_offset || et.tm_params.tp_dst_offset) {

    81 	    printf("ERROR: UTC has nonzero gmt or dst offset.\n");

    82 	    return 1;

    83         }

    84         printf("Current UTC is ");

    85 	printExplodedTime(&et);

    86 	printf("\n");

    88         t2 = PR_ImplodeTime(&et);

    89         if (LL_NE(t1, t2)) {

    90 	    printf("ERROR: Explode and implode are NOT inverse.\n");

    91 	    return 1;

    92         }

    94         /* Next, try converting to local (US Pacific) time */

    96         PR_ExplodeTime(t1, PR_LocalTimeParameters, &et);

    97         printf("Current local time is ");

    98 	printExplodedTime(&et);

    99 	printf("\n");

   100 	printf("GMT offset is %ld, DST offset is %ld\n",

   101 		et.tm_params.tp_gmt_offset, et.tm_params.tp_dst_offset);

   102         t2 = PR_ImplodeTime(&et);

   103         if (LL_NE(t1, t2)) {

   104 	    printf("ERROR: Explode and implode are NOT inverse.\n");

   105 	    return 1;

   106 	}

   107     }

   109     printf("Please examine the results\n");

   110     return 0;

   111 }

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