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#include "rangecheck.h"
#include <assert.h>
#include <stdio.h>
int main() {
char buf[1000];
/* does range_ptrinbuf check all the incoming pointer cases right? */
assert(range_ptrinbuf(buf,sizeof(buf),0)==0);
assert(range_ptrinbuf(buf,sizeof(buf),buf-1)==0);
assert(range_ptrinbuf(buf,sizeof(buf),buf)==1);
assert(range_ptrinbuf(buf,sizeof(buf),buf+50)==1);
assert(range_ptrinbuf(buf,sizeof(buf),buf+sizeof(buf))==0);
/* what if we give it an invalid buffer? */
assert(range_ptrinbuf(0,sizeof(buf),0)==0);
assert(range_ptrinbuf(buf,(unsigned long)-1,buf+1)==0);
/* see if range_validbuf works */
assert(range_validbuf(buf,sizeof(buf))==1);
assert(range_validbuf(0,sizeof(buf))==0);
assert(range_validbuf(buf,(unsigned long)-1)==0);
/* range_bufinbuf */
assert(range_bufinbuf(buf,sizeof(buf),buf,sizeof(buf))==1);
assert(range_bufinbuf(buf,sizeof(buf),buf,sizeof(buf)+1)==0);
assert(range_bufinbuf(buf,sizeof(buf),buf-1,sizeof(buf))==0);
assert(range_bufinbuf(buf-1,sizeof(buf)+1,buf,sizeof(buf))==1);
assert(range_bufinbuf(buf-1,sizeof(buf)+2,buf,sizeof(buf))==1);
assert(range_bufinbuf(0,sizeof(buf),(void*)1,1)==0);
assert(range_bufinbuf(buf,(unsigned long)-1,buf,1)==0);
/* the quintessential integer overflow exploit scenario */
assert(range_bufinbuf(buf,sizeof(buf),buf+10,(unsigned long)-5)==0);
assert(range_bufinbuf(buf,sizeof(buf),buf+10,sizeof(buf))==0);
assert(range_bufinbuf(buf,sizeof(buf),buf+10,sizeof(buf)-10)==1);
/* range_arrayinbuf */
assert(range_arrayinbuf(buf,sizeof(buf),buf,1,10)==1);
assert(range_arrayinbuf(buf,sizeof(buf),buf+sizeof(buf)-10,1,10)==1);
assert(range_arrayinbuf(buf,sizeof(buf),buf-1,1,10)==0);
assert(range_arrayinbuf(buf,sizeof(buf),buf+1,1,1000)==0);
assert(range_arrayinbuf(buf,sizeof(buf),buf-1,1,1002)==0);
/* now overflow the array parameters */
assert(range_arrayinbuf(buf,sizeof(buf),buf+10,0x10000,0x10000)==0);
assert(range_arrayinbuf(buf,sizeof(buf),buf+10,0x80000000,2)==0);
assert(range_arrayinbuf(buf,sizeof(buf),buf+10,0xffffffff,1)==0);
/* range_strinbuf */
assert(range_strinbuf(buf,sizeof(buf),0)==0);
assert(range_strinbuf(buf,sizeof(buf),buf+sizeof(buf))==0);
{
char* x="fnord";
assert(range_strinbuf(x,5,x)==0);
assert(range_strinbuf(x,6,x)==1);
assert(range_strinbuf(x,6,x+5)==1);
assert(range_strinbuf(x,6,x+6)==0);
}
/* range_str2inbuf */
assert(range_str2inbuf(buf,sizeof(buf),0)==0);
assert(range_str2inbuf(buf,sizeof(buf),buf+sizeof(buf))==0);
{
uint16_t y[6];
int i;
for (i=0; i<7; ++i) y[i]="fnord"[i];
assert(range_str2inbuf(y,5*2,y)==0);
assert(range_str2inbuf(y,5*2+1,y)==0);
assert(range_str2inbuf(y,sizeof(y),y)==1);
assert(range_str2inbuf(y,sizeof(y),y+5)==1);
assert(range_str2inbuf(y,sizeof(y),y+6)==0);
}
/* range_str4inbuf */
assert(range_str4inbuf(buf,sizeof(buf),0)==0);
assert(range_str4inbuf(buf,sizeof(buf),buf+sizeof(buf))==0);
{
uint32_t y[6];
int i;
for (i=0; i<7; ++i) y[i]="fnord"[i];
assert(range_str4inbuf(y,5*4,y)==0);
assert(range_str4inbuf(y,5*4+3,y)==0);
assert(range_str4inbuf(y,sizeof(y),y)==1);
assert(range_str4inbuf(y,sizeof(y),y+5)==1);
assert(range_str4inbuf(y,sizeof(y),y+6)==0);
}
puts("all tests ok");
return 0;
}