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#include "wvmagiccircle.h"
#include <unistd.h>
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
int main()
{
WvMagicCircle q(999);
char buf[1024], buf2[1024];
size_t len;
size_t i;
srandom(0);
if (q.geterr())
{
fprintf(stderr, "q: %s\n", q.errstr().cstr());
return 1;
}
if (fork() > 0)
{
// parent
for (i = 1; i < 1000; i++)
{
while (q.used() < i)
{
//usleep(1*1000);
//printf(".");
//fflush(stdout);
}
q.skip(1);
len = q.get(buf, i-1);
memset(buf2, i % 256, i);
if (i == 999)
{
assert(memcmp(buf, buf2, i));
printf("Comparison failed at 999, as expected. Done!\n");
break;
}
assert(!memcmp(buf, buf2, i-1));
printf(" << %d\n", i);
}
assert(!q.used());
}
else
{
// child
for (i = 1; i <= 999; i++)
{
printf(">> %d\n", i);
memset(buf, i % 256, i);
if (i == 999)
buf[5]++;
while (q.left() < i)
; //usleep(1*1000);
q.put(buf, i);
}
}
return 0;
}
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