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Add Ben's test 44

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This commit is contained in:
Erik van der Kouwe 2009-12-09 13:42:33 +00:00
parent 54c05bc2bd
commit fcaaad3317
1 changed files with 67 additions and 0 deletions
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test/test44.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
int
main(int argc, char *argv[])
{
#define CHUNKSIZE 8192
#define CHUNKS1 3
#define CHUNKS2 2
#define CHUNKS (CHUNKS1+CHUNKS2)
int i, fd;
char *v[CHUNKS];
#define STARTV 0x90000000
char *vaddr = (char *) STARTV;
ssize_t l;
printf("Test 44 ");
fflush(stdout);
for(i = 0; i < CHUNKS; i++) {
v[i] = mmap(vaddr, CHUNKSIZE, PROT_READ|PROT_WRITE, 0, -1, 0);
if(v[i] == MAP_FAILED) {
perror("mmap");
fprintf(stderr, "mmap failed\n");
exit(1);
}
if(v[i] != vaddr) {
fprintf(stderr, "mmap said 0x%p but i wanted 0x%p\n",
v[i], vaddr);
exit(1);
}
vaddr += CHUNKSIZE;
}
#define DEV_ZERO "/dev/zero"
if((fd=open(DEV_ZERO, O_RDONLY)) < 0) {
perror("open");
fprintf(stderr, "open failed for %s\n", DEV_ZERO);
exit(1);
}
#define TOTAL1 (CHUNKS1*CHUNKSIZE)
/* Make single read cross region boundary. */
if((l=read(fd, v[0], TOTAL1)) != TOTAL1) {
fprintf(stderr, "read %d but expected %d\n", l, TOTAL1);
exit(1);
}
/* Force single copy to cross region boundary. */
{
char *t;
t = v[CHUNKS1]+CHUNKSIZE-2;
if((l=read(fd, t, CHUNKSIZE)) != CHUNKSIZE) {
fprintf(stderr, "read %d but expected %d\n", l, CHUNKSIZE);
exit(1);
}
}
printf("ok\n");
exit(0);
}