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/* The 'libkal' library for date conversion.
* Copyright (C) 1996-1998 Petr Tomasek <tomasek@etf.cuni.cz>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Basic checks for the libkal library.
*
*/
#include "kal.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
long jd,jd1;
int d,m,y;
int dd,mm,yy;
long errs;
void help(void) {
int i;
printf(
"Tester of the libkal library. (c) 1998 Petr Tomasek.\n"
"Usage: check <calendar>\n\n"
",where <calendar> can be one of:");
for (i=0;i<KAL_XXX;i++)
{
if (i) putchar(',');
printf(" '%s'",kal_proc_get_name(i));
}
printf(
"\nIt displays progress information on the stdout and possibly errors\n"
"(in the library) on the stderr.\n\n"
);
exit(-1);
}
void test2er (void) {
fprintf(stderr,"TEST2: %ld (%d/%d/%d after %d/%d/%d) Error ! \n",
jd,d,m,y,dd,mm,yy);
errs++;
}
void main (int argc, char **argv) {
int sys=-1,i;
if (argc!=2) help();
for (i=0;i<KAL_XXX;i++)
{
if (!strcmp(argv[1],kal_proc_get_name(i))) sys=i;
}
if (sys==-1) help();
printf("Checking %s.\n\nJulianic date:",argv[1]);
kal_conv_jd_xxx(-1000001,&dd,&mm,&yy,sys); /* prepare dd/mm/yy */
/* Tests between Sun 28.Dec 7452 B.C and Fri 12.Jul 6239 A.D.
Should be enought for our purposes ;-) */
for (jd=-1000000; jd<=4000000; jd++) /* basic testing cycle - */
{
/* First, display progress info */
if (!(jd%40000)) printf("\n%ld \t",jd);
if (!(jd%1000)) putchar ('.');
fflush(stdout);
/* Second, try to convert jd to d/m/y and then back into jd1.
jd and jd1 should equal. */
kal_conv_jd_xxx(jd,&d,&m,&y,sys);
jd1=kal_conv_xxx_jd(d,m,y,sys);
if (jd!=jd1) {
fprintf(stderr,"TEST1: %ld (!= %ld) Error !!\n", jd,jd1);
errs++;
}
/* Finaly check it for the consistency */
if ((d!=dd+1) || (m!=mm) || (y!=yy))
/* today's day number should be normally the yesterday's one +1 */
{
if (d!=1) /* when not, today is probably the 1th in the month */
test2er(); /* NO, It isn't -> error ! */
else
{
if ((m!=mm+1) || (y!=yy)) /* simmillar for months */
{
if (m!=1)
{
/* workaround for the jewish calendar */
if ((sys!=KAL_JEW) || (m!=8) || (mm!=6) || (kal_jew_leap(y)))
test2er(); /* error ! */
}
else if (y!=yy+1) test2er();
}
}
}
dd=d;mm=m;yy=y;
}
printf("\n\n %ld errors found.\n",errs);
}
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