timetest.c

Netscape NSPR库源码

        et.tm_params.tp_gmt_offset = -8 * 3600;  /* PDT */
	et.tm_params.tp_dst_offset = 3600; 

	PR_NormalizeTime(&et, PR_LocalTimeParameters);
        if (debug_mode) printf("Nov 7 18:29:23 PDT 1996 is ");
	PrintExplodedTime(&et);
	if (debug_mode) printf(".\n");
	testParseTimeString(PR_ImplodeTime(&et));

        /* What time is Oct. 7, 1995, 18:29:23 PST? */
        et.tm_year    = 1995;
        et.tm_month   = 10 - 1;
        et.tm_mday    = 7;
        et.tm_hour    = 18;
        et.tm_min     = 29;
        et.tm_sec     = 23;
        et.tm_params.tp_gmt_offset = -8 * 3600;  /* PST */
	et.tm_params.tp_dst_offset = 0;

	PR_NormalizeTime(&et, PR_LocalTimeParameters);
        if (debug_mode) printf("Oct 7 18:29:23 PST 1995 is ");
	PrintExplodedTime(&et);
	if (debug_mode) printf(".\n");
	testParseTimeString(PR_ImplodeTime(&et));

	if (debug_mode) printf("Please examine the results\n");
    }

    /*
     **************************************************************
     **
     ** Testing range of years
     **
     **************************************************************
     */

    {
	PRExplodedTime et1, et2;
    PRTime  ttt;
	PRTime secs;

	if (debug_mode) {
	printf("\n");
	printf("***************************************\n");
	printf("**                                   **\n");
	printf("**  Testing range of years           **\n");
	printf("**                                   **\n");
	printf("***************************************\n\n");
	}
	/* April 4, 1917 GMT */
	et1.tm_usec = 0;
	et1.tm_sec = 0;
	et1.tm_min = 0;
	et1.tm_hour = 0;
	et1.tm_mday = 4;
	et1.tm_month = 4 - 1;
	et1.tm_year = 1917;
	et1.tm_params = PR_GMTParameters(&et1);
	PR_NormalizeTime(&et1, PR_LocalTimeParameters);
	secs = PR_ImplodeTime(&et1);
	if (LL_GE_ZERO(secs)) {
	    if (debug_mode)
		printf("ERROR: April 4, 1917 GMT returns a nonnegative second count\n");
		failed_already = 1;
	    return 1;
        }
	PR_ExplodeTime(secs, PR_LocalTimeParameters, &et2);
	if (!ExplodedTimeIsEqual(&et1, &et2)) {
		if (debug_mode)
		printf("ERROR: PR_ImplodeTime and PR_ExplodeTime are not inverse for April 4, 1917 GMT\n");
		failed_already=1;
	    return 1;
        }
    ttt = PR_ImplodeTime(&et1);
	testParseTimeString( ttt );

	if (debug_mode) printf("Test passed for April 4, 1917\n");

	/* July 4, 2050 */
	et1.tm_usec = 0;
	et1.tm_sec = 0;
	et1.tm_min = 0;
	et1.tm_hour = 0;
	et1.tm_mday = 4;
	et1.tm_month = 7 - 1;
	et1.tm_year = 2050;
	et1.tm_params = PR_GMTParameters(&et1);
	PR_NormalizeTime(&et1, PR_LocalTimeParameters);
	secs = PR_ImplodeTime(&et1);
	if (!LL_GE_ZERO(secs)) {
	    if (debug_mode)
			printf("ERROR: July 4, 2050 GMT returns a negative second count\n");
		failed_already = 1;
	    return 1;
        }
	PR_ExplodeTime(secs, PR_LocalTimeParameters, &et2);
	if (!ExplodedTimeIsEqual(&et1, &et2)) {
	    if (debug_mode)
		printf("ERROR: PR_ImplodeTime and PR_ExplodeTime are not inverse for July 4, 2050 GMT\n");
		failed_already=1;
	    return 1;
        }
	testParseTimeString(PR_ImplodeTime(&et1));

	if (debug_mode) printf("Test passed for July 4, 2050\n");

    }

    /*
     **************************************************************
     **
     **  Stress test
     *
     **      Go through four years, starting from
     **      00:00:00 PST Jan. 1, 1993, incrementing
     **      every 10 minutes.
     **
     **************************************************************
     */

    {
	PRExplodedTime et, et1, et2;
	PRInt64 usecPer10Min;
	int day, hour, min;
	PRTime usecs;
	int dstInEffect = 0;

	if (debug_mode) {
	printf("\n");
	printf("*******************************************************\n");
	printf("**                                                   **\n");
	printf("**                 Stress test                       **\n");
	printf("**  Starting from midnight Jan. 1, 1993 PST,         **\n");
	printf("**  going through four years in 10-minute increment  **\n");
	printf("**                                                   **\n");
	printf("*******************************************************\n\n");
	}
	LL_I2L(usecPer10Min, 600000000L);

	/* 00:00:00 PST Jan. 1, 1993 */
	et.tm_usec = 0;
	et.tm_sec = 0;
	et.tm_min = 0;
	et.tm_hour = 0;
	et.tm_mday = 1;
	et.tm_month = 0;
	et.tm_year = 1993;
	et.tm_params.tp_gmt_offset = -8 * 3600;
	et.tm_params.tp_dst_offset = 0;
	usecs = PR_ImplodeTime(&et);

        for (day = 0; day < 4 * 365 + 1; day++) {
	    for (hour = 0; hour < 24; hour++) {
		for (min = 0; min < 60; min += 10) {
	            LL_ADD(usecs, usecs, usecPer10Min);
		    PR_ExplodeTime(usecs, PR_USPacificTimeParameters, &et1);

		    et2 = et;
		    et2.tm_usec += 600000000L;
		    PR_NormalizeTime(&et2, PR_USPacificTimeParameters);

		    if (!ExplodedTimeIsEqual(&et1, &et2)) {
		        if (debug_mode) printf("ERROR: componentwise comparison failed\n");
			PrintExplodedTime(&et1);
			if (debug_mode) printf("\n");
			PrintExplodedTime(&et2);
			if (debug_mode) printf("\n");
			failed_already=1;
		        return 1;
		    }

		    if (LL_NE(usecs, PR_ImplodeTime(&et1))) { 
                        if (debug_mode)
					printf("ERROR: PR_ExplodeTime and PR_ImplodeTime are not inverse\n");
			PrintExplodedTime(&et1);
			if (debug_mode) printf("\n");
			failed_already=1;
		        return 1;
		    }
		    testParseTimeString(usecs);

		    if (!dstInEffect && et1.tm_params.tp_dst_offset) {
		        dstInEffect = 1;
		        if (debug_mode) printf("DST changeover from ");
			PrintExplodedTime(&et);
			if (debug_mode) printf(" to ");
			PrintExplodedTime(&et1);
			if (debug_mode) printf(".\n");
                    } else if (dstInEffect && !et1.tm_params.tp_dst_offset) {
		        dstInEffect = 0;
			if (debug_mode) printf("DST changeover from ");
			PrintExplodedTime(&et);
			if (debug_mode) printf(" to ");
			PrintExplodedTime(&et1);
			if (debug_mode) printf(".\n");
                    }

		    et = et1;
		}
	    }
        }
	if (debug_mode) printf("Test passed\n");
    }


    /* Same stress test, but with PR_LocalTimeParameters */

    {
	PRExplodedTime et, et1, et2;
	PRInt64 usecPer10Min;
	int day, hour, min;
	PRTime usecs;
	int dstInEffect = 0;

	if (debug_mode) {
	printf("\n");
	printf("*******************************************************\n");
	printf("**                                                   **\n");
	printf("**                 Stress test                       **\n");
	printf("**  Starting from midnight Jan. 1, 1993 PST,         **\n");
	printf("**  going through four years in 10-minute increment  **\n");
	printf("**                                                   **\n");
	printf("*******************************************************\n\n");
	}
	
	LL_I2L(usecPer10Min, 600000000L);

	/* 00:00:00 PST Jan. 1, 1993 */
	et.tm_usec = 0;
	et.tm_sec = 0;
	et.tm_min = 0;
	et.tm_hour = 0;
	et.tm_mday = 1;
	et.tm_month = 0;
	et.tm_year = 1993;
	et.tm_params.tp_gmt_offset = -8 * 3600;
	et.tm_params.tp_dst_offset = 0;
	usecs = PR_ImplodeTime(&et);

        for (day = 0; day < 4 * 365 + 1; day++) {
	    for (hour = 0; hour < 24; hour++) {
		for (min = 0; min < 60; min += 10) {
	            LL_ADD(usecs, usecs, usecPer10Min);
		    PR_ExplodeTime(usecs, PR_LocalTimeParameters, &et1);

		    et2 = et;
		    et2.tm_usec += 600000000L;
		    PR_NormalizeTime(&et2, PR_LocalTimeParameters);

		    if (!ExplodedTimeIsEqual(&et1, &et2)) {
		        if (debug_mode) printf("ERROR: componentwise comparison failed\n");
			PrintExplodedTime(&et1);
			if (debug_mode) printf("\n");
			PrintExplodedTime(&et2);
			if (debug_mode) printf("\n");
		        return 1;
		    }

		    if (LL_NE(usecs, PR_ImplodeTime(&et1))) {
                        printf("ERROR: PR_ExplodeTime and PR_ImplodeTime are not inverse\n");
			PrintExplodedTime(&et1);
			if (debug_mode) printf("\n");
			failed_already=1;
		        return 1;
		    }
		    testParseTimeString(usecs);

		    if (!dstInEffect && et1.tm_params.tp_dst_offset) {
		        dstInEffect = 1;
		        if (debug_mode) printf("DST changeover from ");
			PrintExplodedTime(&et);
			if (debug_mode) printf(" to ");
			PrintExplodedTime(&et1);
			if (debug_mode) printf(".\n");
                    } else if (dstInEffect && !et1.tm_params.tp_dst_offset) {
		        dstInEffect = 0;
			if (debug_mode) printf("DST changeover from ");
			PrintExplodedTime(&et);
			if (debug_mode) printf(" to ");
			PrintExplodedTime(&et1);
			if (debug_mode) printf(".\n");
                    }

		    et = et1;
		}
	    }
        }
	if (debug_mode) printf("Test passed\n");
    }

    /* Same stress test, but with PR_LocalTimeParameters and going backward */

    {
	PRExplodedTime et, et1, et2;
	PRInt64 usecPer10Min;
	int day, hour, min;
	PRTime usecs;
	int dstInEffect = 0;

	if (debug_mode) {
	printf("\n");
	printf("*******************************************************\n");
	printf("**                                                   **\n");
	printf("**                 Stress test                       **\n");
	printf("**  Starting from midnight Jan. 1, 1997 PST,         **\n");
	printf("**  going back four years in 10-minute increment     **\n");
	printf("**                                                   **\n");
	printf("*******************************************************\n\n");
	}

	LL_I2L(usecPer10Min, 600000000L);

	/* 00:00:00 PST Jan. 1, 1997 */
	et.tm_usec = 0;
	et.tm_sec = 0;
	et.tm_min = 0;
	et.tm_hour = 0;
	et.tm_mday = 1;
	et.tm_month = 0;
	et.tm_year = 1997;
	et.tm_params.tp_gmt_offset = -8 * 3600;
	et.tm_params.tp_dst_offset = 0;
	usecs = PR_ImplodeTime(&et);

        for (day = 0; day < 4 * 365 + 1; day++) {
	    for (hour = 0; hour < 24; hour++) {
		for (min = 0; min < 60; min += 10) {
	            LL_SUB(usecs, usecs, usecPer10Min);
		    PR_ExplodeTime(usecs, PR_LocalTimeParameters, &et1);

		    et2 = et;
		    et2.tm_usec -= 600000000L;
		    PR_NormalizeTime(&et2, PR_LocalTimeParameters);

		    if (!ExplodedTimeIsEqual(&et1, &et2)) {
		        if (debug_mode) printf("ERROR: componentwise comparison failed\n");
			PrintExplodedTime(&et1);
			if (debug_mode) printf("\n");
			PrintExplodedTime(&et2);
			if (debug_mode) printf("\n");
		        return 1;
		    }

		    if (LL_NE(usecs, PR_ImplodeTime(&et1))) {
                   if (debug_mode)
					printf("ERROR: PR_ExplodeTime and PR_ImplodeTime are not inverse\n");
			PrintExplodedTime(&et1);
			if (debug_mode) printf("\n");
			failed_already=1;
		        return 1;
		    }
		    testParseTimeString(usecs);

		    if (!dstInEffect && et1.tm_params.tp_dst_offset) {
		        dstInEffect = 1;
		        if (debug_mode) printf("DST changeover from ");
			PrintExplodedTime(&et);
			if (debug_mode) printf(" to ");
			PrintExplodedTime(&et1);
			if (debug_mode) printf(".\n");
                    } else if (dstInEffect && !et1.tm_params.tp_dst_offset) {
		        dstInEffect = 0;
			if (debug_mode) printf("DST changeover from ");
			PrintExplodedTime(&et);
			if (debug_mode) printf(" to ");
			PrintExplodedTime(&et1);
			if (debug_mode) printf(".\n");
                    }

		    et = et1;
		}
	    }
        }
    }

#ifdef XP_MAC
	if (1)
	{
		char dummyChar;
		
		printf("Press return to exit\n\n");
		scanf("%c", &dummyChar);
	}
#endif

	if (failed_already) return 1;
	else return 0;

}