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/*
* Worldvisions Weaver Software:
* Copyright (C) 1997-2002 Net Integration Technologies, Inc.
*
* WvBuf test program. Comments below indicate correct results.
*
*/
#include "wvbuf.h"
#include <stdio.h>
#include <stdlib.h>
//#define DEBUG_STRESS
int main()
{
WvInPlaceBuf b(1024);
WvDynBuf bb;
char *s, xx[1024];
size_t in, i, max, total;
printf("InPlaceBuffer TEST\n");
printf("A %20u used, %u free, offset %d/%d\n",
b.used(), b.free(), b.strchr('c'), b.strchr((unsigned char)'c'));
b.put("frogs on ice", 13);
printf("B %20u used, %u free, offset %d/%d\n",
b.used(), b.free(), b.strchr('c'), b.strchr((unsigned char)'c'));
s = (char *)b.get(8);
printf("C s: %s\n", s);
printf("D %20u used, %u free, offset %d/%d\n",
b.used(), b.free(), b.strchr('c'), b.strchr((unsigned char)'c'));
s = (char *)b.get(5);
printf("E s: %s\n", s);
printf("F %20u used, %u free, offset %d/%d\n",
b.used(), b.free(), b.strchr('c'), b.strchr((unsigned char)'c'));
b.zap();
printf("G %20u used, %u free, offset %d/%d\n",
b.used(), b.free(), b.strchr('c'), b.strchr((unsigned char)'c'));
printf("\n");
printf("BUFFER TEST\n");
printf("A %20u used, offset %d/%d\n",
bb.used(), bb.strchr('c'), bb.strchr((unsigned char)'c'));
bb.put("frogs on ice", 13);
printf("B %20u used, offset %d/%d\n",
bb.used(), bb.strchr('c'), bb.strchr((unsigned char)'c'));
bb.put("frogs on rice", 14);
printf("C %20u used, offset %d/%d\n",
bb.used(), bb.strchr('c'), bb.strchr((unsigned char)'c'));
s = (char *)bb.get(8);
printf("D s: %s\n", s); // "frogs on ice"
printf("E %20u used, offset %d/%d\n",
bb.used(), bb.strchr('c'), bb.strchr((unsigned char)'c'));
bb.put("frogs on bryce", 15);
s = (char *)bb.get(5);
printf("F s: %s\n", s); // " ice"
printf("G %20u used, offset %d/%d\n",
bb.used(), bb.strchr('c'), bb.strchr((unsigned char)'c'));
s = (char *)bb.get(16);
printf("H s: %s\n", s); // "frogs on rice"
printf("I %20u used, offset %d/%d\n",
bb.used(), bb.strchr('c'), bb.strchr((unsigned char)'c'));
bb.unget(12);
printf("I2 %19u used, offset %d/%d\n",
bb.used(), bb.strchr('c'), bb.strchr((unsigned char)'c'));
s = (char *)bb.get(11);
printf("J s: %s\n", s); // "s on rice"
s = (char *)bb.get(14);
printf("J2 s: %s\n", s); // "rogs on bryce"
printf("K %20u used, offset %d/%d\n",
bb.used(), bb.strchr('c'), bb.strchr((unsigned char)'c'));
printf("\n");
printf("BUFFER STRESS\n");
in = max = total = 0;
while (1)
{
i = random() % sizeof(xx);
s = (char *)bb.alloc(i);
memcpy(s, xx, i);
#ifdef DEBUG_STRESS
fprintf(stderr, "alloc(%d)\n", i);
#endif
in += i;
total += i;
size_t lastalloc = i;
i = random() % sizeof(xx);
if (i > lastalloc)
i = lastalloc;
#ifdef DEBUG_STRESS
fprintf(stderr, "unalloc(%d)\n", i);
#endif
bb.unalloc(i);
in -= i;
i = random() % sizeof(xx);
if (i > in)
i = in;
#ifdef DEBUG_STRESS
fprintf(stderr, "get(%d)\n", i);
#endif
bb.get(i);
in -= i;
i = random() % sizeof(xx);
#ifdef DEBUG_STRESS
fprintf(stderr, "put(%d)\n", i);
#endif
bb.put(xx, i);
in += i;
total += i;
i = random() % sizeof(xx);
if (i > in)
i = in;
#ifdef DEBUG_STRESS
fprintf(stderr, "get(%d)\n", i);
#endif
bb.get(i);
in -= i;
size_t lastput = i;
i = random() % sizeof(xx);
if (i > lastput)
i = lastput;
#ifdef DEBUG_STRESS
fprintf(stderr, "unget(%d)\n", i);
#endif
bb.unget(i);
in += i;
assert(bb.used() == in);
if (bb.used() > max)
{
max = bb.used();
printf("New max: %u bytes in subbuffers after %u bytes\n",
max, total);
}
#ifdef DEBUG_STRESS
fprintf(stderr, "[%6d]", in);
#endif
}
return 0;
}
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