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uboot-mt623x/fs/yaffs2/direct/dtest.c

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/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
*
* Copyright (C) 2002-2007 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
* Test code for the "direct" interface.
*/
/* XXX U-BOOT XXX */
#include <common.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include "yaffsfs.h"
void dumpDir(const char *dname);
char xx[600];
void copy_in_a_file(char *yaffsName,char *inName)
{
int inh,outh;
unsigned char buffer[100];
int ni,no;
inh = open(inName,O_RDONLY);
outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
while((ni = read(inh,buffer,100)) > 0)
{
no = yaffs_write(outh,buffer,ni);
if(ni != no)
{
printf("problem writing yaffs file\n");
}
}
yaffs_close(outh);
close(inh);
}
void make_a_file(char *yaffsName,char bval,int sizeOfFile)
{
int outh;
int i;
unsigned char buffer[100];
outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
memset(buffer,bval,100);
do{
i = sizeOfFile;
if(i > 100) i = 100;
sizeOfFile -= i;
yaffs_write(outh,buffer,i);
} while (sizeOfFile > 0);
yaffs_close(outh);
}
void make_pattern_file(char *fn,int size)
{
int outh;
int marker;
int i;
outh = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
yaffs_lseek(outh,size-1,SEEK_SET);
yaffs_write(outh,"A",1);
for(i = 0; i < size; i+=256)
{
marker = ~i;
yaffs_lseek(outh,i,SEEK_SET);
yaffs_write(outh,&marker,sizeof(marker));
}
yaffs_close(outh);
}
int check_pattern_file(char *fn)
{
int h;
int marker;
int i;
int size;
int ok = 1;
h = yaffs_open(fn, O_RDWR,0);
size = yaffs_lseek(h,0,SEEK_END);
for(i = 0; i < size; i+=256)
{
yaffs_lseek(h,i,SEEK_SET);
yaffs_read(h,&marker,sizeof(marker));
ok = (marker == ~i);
if(!ok)
{
printf("pattern check failed on file %s, size %d at position %d. Got %x instead of %x\n",
fn,size,i,marker,~i);
}
}
yaffs_close(h);
return ok;
}
int dump_file_data(char *fn)
{
int h;
int marker;
int i = 0;
int size;
int ok = 1;
unsigned char b;
h = yaffs_open(fn, O_RDWR,0);
printf("%s\n",fn);
while(yaffs_read(h,&b,1)> 0)
{
printf("%02x",b);
i++;
if(i > 32)
{
printf("\n");
i = 0;;
}
}
printf("\n");
yaffs_close(h);
return ok;
}
void dump_file(const char *fn)
{
int i;
int size;
int h;
h = yaffs_open(fn,O_RDONLY,0);
if(h < 0)
{
printf("*****\nDump file %s does not exist\n",fn);
}
else
{
size = yaffs_lseek(h,0,SEEK_SET);
printf("*****\nDump file %s size %d\n",fn,size);
for(i = 0; i < size; i++)
{
}
}
}
void create_file_of_size(const char *fn,int syze)
{
int h;
int n;
char xx[200];
int iterations = (syze + strlen(fn) -1)/ strlen(fn);
h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
while (iterations > 0)
{
sprintf(xx,"%s %8d",fn,iterations);
yaffs_write(h,xx,strlen(xx));
iterations--;
}
yaffs_close (h);
}
void verify_file_of_size(const char *fn,int syze)
{
int h;
int n;
char xx[200];
char yy[200];
int l;
int iterations = (syze + strlen(fn) -1)/ strlen(fn);
h = yaffs_open(fn, O_RDONLY, S_IREAD | S_IWRITE);
while (iterations > 0)
{
sprintf(xx,"%s %8d",fn,iterations);
l = strlen(xx);
yaffs_read(h,yy,l);
yy[l] = 0;
if(strcmp(xx,yy)){
printf("=====>>>>> verification of file %s failed near position %d\n",fn,yaffs_lseek(h,0,SEEK_CUR));
}
iterations--;
}
yaffs_close (h);
}
void create_resized_file_of_size(const char *fn,int syze1,int reSyze, int syze2)
{
int h;
int n;
int iterations;
h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
iterations = (syze1 + strlen(fn) -1)/ strlen(fn);
while (iterations > 0)
{
yaffs_write(h,fn,strlen(fn));
iterations--;
}
yaffs_truncate(h,reSyze);
yaffs_lseek(h,0,SEEK_SET);
iterations = (syze2 + strlen(fn) -1)/ strlen(fn);
while (iterations > 0)
{
yaffs_write(h,fn,strlen(fn));
iterations--;
}
yaffs_close (h);
}
void do_some_file_stuff(const char *path)
{
char fn[100];
sprintf(fn,"%s/%s",path,"f1");
create_file_of_size(fn,10000);
sprintf(fn,"%s/%s",path,"fdel");
create_file_of_size(fn,10000);
yaffs_unlink(fn);
sprintf(fn,"%s/%s",path,"f2");
create_resized_file_of_size(fn,10000,3000,4000);
}
void yaffs_backward_scan_test(const char *path)
{
char fn[100];
yaffs_StartUp();
yaffs_mount(path);
do_some_file_stuff(path);
sprintf(fn,"%s/ddd",path);
yaffs_mkdir(fn,0);
do_some_file_stuff(fn);
yaffs_unmount(path);
yaffs_mount(path);
}
char xxzz[2000];
void yaffs_device_flush_test(const char *path)
{
char fn[100];
int h;
int i;
yaffs_StartUp();
yaffs_mount(path);
do_some_file_stuff(path);
// Open and add some data to a few files
for(i = 0; i < 10; i++) {
sprintf(fn,"%s/ff%d",path,i);
h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IWRITE | S_IREAD);
yaffs_write(h,xxzz,2000);
yaffs_write(h,xxzz,2000);
}
yaffs_unmount(path);
yaffs_mount(path);
}
void short_scan_test(const char *path, int fsize, int niterations)
{
int i;
char fn[100];
sprintf(fn,"%s/%s",path,"f1");
yaffs_StartUp();
for(i = 0; i < niterations; i++)
{
printf("\n*****************\nIteration %d\n",i);
yaffs_mount(path);
printf("\nmount: Directory look-up of %s\n",path);
dumpDir(path);
make_a_file(fn,1,fsize);
yaffs_unmount(path);
}
}
void scan_pattern_test(const char *path, int fsize, int niterations)
{
int i;
int j;
char fn[3][100];
int result;
sprintf(fn[0],"%s/%s",path,"f0");
sprintf(fn[1],"%s/%s",path,"f1");
sprintf(fn[2],"%s/%s",path,"f2");
yaffs_StartUp();
for(i = 0; i < niterations; i++)
{
printf("\n*****************\nIteration %d\n",i);
yaffs_mount(path);
printf("\nmount: Directory look-up of %s\n",path);
dumpDir(path);
for(j = 0; j < 3; j++)
{
result = dump_file_data(fn[j]);
result = check_pattern_file(fn[j]);
make_pattern_file(fn[j],fsize);
result = dump_file_data(fn[j]);
result = check_pattern_file(fn[j]);
}
yaffs_unmount(path);
}
}
void fill_disk(char *path,int nfiles)
{
int h;
int n;
int result;
int f;
char str[50];
for(n = 0; n < nfiles; n++)
{
sprintf(str,"%s/%d",path,n);
h = yaffs_open(str, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
printf("writing file %s handle %d ",str, h);
while ((result = yaffs_write(h,xx,600)) == 600)
{
f = yaffs_freespace(path);
}
result = yaffs_close(h);
printf(" close %d\n",result);
}
}
void fill_disk_and_delete(char *path, int nfiles, int ncycles)
{
int i,j;
char str[50];
int result;
for(i = 0; i < ncycles; i++)
{
printf("@@@@@@@@@@@@@@ cycle %d\n",i);
fill_disk(path,nfiles);
for(j = 0; j < nfiles; j++)
{
sprintf(str,"%s/%d",path,j);
result = yaffs_unlink(str);
printf("unlinking file %s, result %d\n",str,result);
}
}
}
void fill_files(char *path,int flags, int maxIterations,int siz)
{
int i;
int j;
char str[50];
int h;
i = 0;
do{
sprintf(str,"%s/%d",path,i);
h = yaffs_open(str, O_CREAT | O_TRUNC | O_RDWR,S_IREAD | S_IWRITE);
yaffs_close(h);
if(h >= 0)
{
for(j = 0; j < siz; j++)
{
yaffs_write(h,str,1);
}
}
if( flags & 1)
{
yaffs_unlink(str);
}
i++;
} while(h >= 0 && i < maxIterations);
if(flags & 2)
{
i = 0;
do{
sprintf(str,"%s/%d",path,i);
printf("unlink %s\n",str);
i++;
} while(yaffs_unlink(str) >= 0);
}
}
void leave_unlinked_file(char *path,int maxIterations,int siz)
{
int i;
char str[50];
int h;
i = 0;
do{
sprintf(str,"%s/%d",path,i);
printf("create %s\n",str);
h = yaffs_open(str, O_CREAT | O_TRUNC | O_RDWR,S_IREAD | S_IWRITE);
if(h >= 0)
{
yaffs_unlink(str);
}
i++;
} while(h < 0 && i < maxIterations);
if(h >= 0)
{
for(i = 0; i < siz; i++)
{
yaffs_write(h,str,1);
}
}
printf("Leaving file %s open\n",str);
}
void dumpDirFollow(const char *dname)
{
yaffs_DIR *d;
yaffs_dirent *de;
struct yaffs_stat s;
char str[100];
d = yaffs_opendir(dname);
if(!d)
{
printf("opendir failed\n");
}
else
{
while((de = yaffs_readdir(d)) != NULL)
{
sprintf(str,"%s/%s",dname,de->d_name);
yaffs_stat(str,&s);
printf("%s length %d mode %X ",de->d_name,(int)s.st_size,s.st_mode);
switch(s.st_mode & S_IFMT)
{
case S_IFREG: printf("data file"); break;
case S_IFDIR: printf("directory"); break;
case S_IFLNK: printf("symlink -->");
if(yaffs_readlink(str,str,100) < 0)
printf("no alias");
else
printf("\"%s\"",str);
break;
default: printf("unknown"); break;
}
printf("\n");
}
yaffs_closedir(d);
}
printf("\n");
printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
}
void dump_directory_tree_worker(const char *dname,int recursive)
{
yaffs_DIR *d;
yaffs_dirent *de;
struct yaffs_stat s;
char str[1000];
d = yaffs_opendir(dname);
if(!d)
{
printf("opendir failed\n");
}
else
{
while((de = yaffs_readdir(d)) != NULL)
{
sprintf(str,"%s/%s",dname,de->d_name);
yaffs_lstat(str,&s);
printf("%s inode %d obj %x length %d mode %X ",str,s.st_ino,de->d_dont_use,(int)s.st_size,s.st_mode);
switch(s.st_mode & S_IFMT)
{
case S_IFREG: printf("data file"); break;
case S_IFDIR: printf("directory"); break;
case S_IFLNK: printf("symlink -->");
if(yaffs_readlink(str,str,100) < 0)
printf("no alias");
else
printf("\"%s\"",str);
break;
default: printf("unknown"); break;
}
printf("\n");
if((s.st_mode & S_IFMT) == S_IFDIR && recursive)
dump_directory_tree_worker(str,1);
}
yaffs_closedir(d);
}
}
static void dump_directory_tree(const char *dname)
{
dump_directory_tree_worker(dname,1);
printf("\n");
printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
}
void dumpDir(const char *dname)
{ dump_directory_tree_worker(dname,0);
printf("\n");
printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
}
static void PermissionsCheck(const char *path, mode_t tmode, int tflags,int expectedResult)
{
int fd;
if(yaffs_chmod(path,tmode)< 0) printf("chmod failed\n");
fd = yaffs_open(path,tflags,0);
if((fd >= 0) != (expectedResult > 0))
{
printf("Permissions check %x %x %d failed\n",tmode,tflags,expectedResult);
}
else
{
printf("Permissions check %x %x %d OK\n",tmode,tflags,expectedResult);
}
yaffs_close(fd);
}
int long_test(int argc, char *argv[])
{
int f;
int r;
char buffer[20];
char str[100];
int h;
mode_t temp_mode;
struct yaffs_stat ystat;
yaffs_StartUp();
yaffs_mount("/boot");
yaffs_mount("/data");
yaffs_mount("/flash");
yaffs_mount("/ram");
printf("\nDirectory look-up of /boot\n");
dumpDir("/boot");
printf("\nDirectory look-up of /data\n");
dumpDir("/data");
printf("\nDirectory look-up of /flash\n");
dumpDir("/flash");
//leave_unlinked_file("/flash",20000,0);
//leave_unlinked_file("/data",20000,0);
leave_unlinked_file("/ram",20,0);
f = yaffs_open("/boot/b1", O_RDONLY,0);
printf("open /boot/b1 readonly, f=%d\n",f);
f = yaffs_open("/boot/b1", O_CREAT,S_IREAD | S_IWRITE);
printf("open /boot/b1 O_CREAT, f=%d\n",f);
r = yaffs_write(f,"hello",1);
printf("write %d attempted to write to a read-only file\n",r);
r = yaffs_close(f);
printf("close %d\n",r);
f = yaffs_open("/boot/b1", O_RDWR,0);
printf("open /boot/b1 O_RDWR,f=%d\n",f);
r = yaffs_write(f,"hello",2);
printf("write %d attempted to write to a writeable file\n",r);
r = yaffs_write(f,"world",3);
printf("write %d attempted to write to a writeable file\n",r);
r= yaffs_lseek(f,0,SEEK_END);
printf("seek end %d\n",r);
memset(buffer,0,20);
r = yaffs_read(f,buffer,10);
printf("read %d \"%s\"\n",r,buffer);
r= yaffs_lseek(f,0,SEEK_SET);
printf("seek set %d\n",r);
memset(buffer,0,20);
r = yaffs_read(f,buffer,10);
printf("read %d \"%s\"\n",r,buffer);
memset(buffer,0,20);
r = yaffs_read(f,buffer,10);
printf("read %d \"%s\"\n",r,buffer);
// Check values reading at end.
// A read past end of file should return 0 for 0 bytes read.
r= yaffs_lseek(f,0,SEEK_END);
r = yaffs_read(f,buffer,10);
printf("read at end returned %d\n",r);
r= yaffs_lseek(f,500,SEEK_END);
r = yaffs_read(f,buffer,10);
printf("read past end returned %d\n",r);
r = yaffs_close(f);
printf("close %d\n",r);
copy_in_a_file("/boot/yyfile","xxx");
// Create a file with a long name
copy_in_a_file("/boot/file with a long name","xxx");
printf("\nDirectory look-up of /boot\n");
dumpDir("/boot");
// Check stat
r = yaffs_stat("/boot/file with a long name",&ystat);
// Check rename
r = yaffs_rename("/boot/file with a long name","/boot/r1");
printf("\nDirectory look-up of /boot\n");
dumpDir("/boot");
// Check unlink
r = yaffs_unlink("/boot/r1");
printf("\nDirectory look-up of /boot\n");
dumpDir("/boot");
// Check mkdir
r = yaffs_mkdir("/boot/directory1",0);
printf("\nDirectory look-up of /boot\n");
dumpDir("/boot");
printf("\nDirectory look-up of /boot/directory1\n");
dumpDir("/boot/directory1");
// add a file to the directory
copy_in_a_file("/boot/directory1/file with a long name","xxx");
printf("\nDirectory look-up of /boot\n");
dumpDir("/boot");
printf("\nDirectory look-up of /boot/directory1\n");
dumpDir("/boot/directory1");
// Attempt to delete directory (should fail)
r = yaffs_rmdir("/boot/directory1");
printf("\nDirectory look-up of /boot\n");
dumpDir("/boot");
printf("\nDirectory look-up of /boot/directory1\n");
dumpDir("/boot/directory1");
// Delete file first, then rmdir should work
r = yaffs_unlink("/boot/directory1/file with a long name");
r = yaffs_rmdir("/boot/directory1");
printf("\nDirectory look-up of /boot\n");
dumpDir("/boot");
printf("\nDirectory look-up of /boot/directory1\n");
dumpDir("/boot/directory1");
#if 0
fill_disk_and_delete("/boot",20,20);
printf("\nDirectory look-up of /boot\n");
dumpDir("/boot");
#endif
yaffs_symlink("yyfile","/boot/slink");
yaffs_readlink("/boot/slink",str,100);
printf("symlink alias is %s\n",str);
printf("\nDirectory look-up of /boot\n");
dumpDir("/boot");
printf("\nDirectory look-up of /boot (using stat instead of lstat)\n");
dumpDirFollow("/boot");
printf("\nDirectory look-up of /boot/directory1\n");
dumpDir("/boot/directory1");
h = yaffs_open("/boot/slink",O_RDWR,0);
printf("file length is %d\n",(int)yaffs_lseek(h,0,SEEK_END));
yaffs_close(h);
yaffs_unlink("/boot/slink");
printf("\nDirectory look-up of /boot\n");
dumpDir("/boot");
// Check chmod
yaffs_stat("/boot/yyfile",&ystat);
temp_mode = ystat.st_mode;
yaffs_chmod("/boot/yyfile",0x55555);
printf("\nDirectory look-up of /boot\n");
dumpDir("/boot");
yaffs_chmod("/boot/yyfile",temp_mode);
printf("\nDirectory look-up of /boot\n");
dumpDir("/boot");
// Permission checks...
PermissionsCheck("/boot/yyfile",0, O_WRONLY,0);
PermissionsCheck("/boot/yyfile",0, O_RDONLY,0);
PermissionsCheck("/boot/yyfile",0, O_RDWR,0);
PermissionsCheck("/boot/yyfile",S_IREAD, O_WRONLY,0);
PermissionsCheck("/boot/yyfile",S_IREAD, O_RDONLY,1);
PermissionsCheck("/boot/yyfile",S_IREAD, O_RDWR,0);
PermissionsCheck("/boot/yyfile",S_IWRITE, O_WRONLY,1);
PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDONLY,0);
PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDWR,0);
PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_WRONLY,1);
PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDONLY,1);
PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDWR,1);
yaffs_chmod("/boot/yyfile",temp_mode);
//create a zero-length file and unlink it (test for scan bug)
h = yaffs_open("/boot/zlf",O_CREAT | O_TRUNC | O_RDWR,0);
yaffs_close(h);
yaffs_unlink("/boot/zlf");
yaffs_DumpDevStruct("/boot");
fill_disk_and_delete("/boot",20,20);
yaffs_DumpDevStruct("/boot");
fill_files("/boot",1,10000,0);
fill_files("/boot",1,10000,5000);
fill_files("/boot",2,10000,0);
fill_files("/boot",2,10000,5000);
leave_unlinked_file("/data",20000,0);
leave_unlinked_file("/data",20000,5000);
leave_unlinked_file("/data",20000,5000);
leave_unlinked_file("/data",20000,5000);
leave_unlinked_file("/data",20000,5000);
leave_unlinked_file("/data",20000,5000);
yaffs_DumpDevStruct("/boot");
yaffs_DumpDevStruct("/data");
return 0;
}
int huge_directory_test_on_path(char *path)
{
yaffs_DIR *d;
yaffs_dirent *de;
struct yaffs_stat s;
int f;
int i;
int r;
int total = 0;
int lastTotal = 0;
char buffer[20];
char str[100];
char name[100];
char name2[100];
int h;
mode_t temp_mode;
struct yaffs_stat ystat;
yaffs_StartUp();
yaffs_mount(path);
// Create a large number of files
for(i = 0; i < 2000; i++)
{
sprintf(str,"%s/%d",path,i);
f = yaffs_open(str,O_CREAT,S_IREAD | S_IWRITE);
yaffs_close(f);
}
d = yaffs_opendir(path);
i = 0;
if (d) {
while((de = yaffs_readdir(d)) != NULL) {
if (total >lastTotal+100*9*1024||(i & 1023)==0){
printf("files = %d, total = %d\n",i, total);
lastTotal = total;
}
i++;
sprintf(str,"%s/%s",path,de->d_name);
yaffs_lstat(str,&s);
switch(s.st_mode & S_IFMT){
case S_IFREG:
//printf("data file");
total += s.st_size;
break;
}
}
yaffs_closedir(d);
}
return 0;
}
int yaffs_scan_test(const char *path)
{
}
void rename_over_test(const char *mountpt)
{
int i;
char a[100];
char b[100];
sprintf(a,"%s/a",mountpt);
sprintf(b,"%s/b",mountpt);
yaffs_StartUp();
yaffs_mount(mountpt);
i = yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR, 0);
yaffs_close(i);
i = yaffs_open(b,O_CREAT | O_TRUNC | O_RDWR, 0);
yaffs_close(i);
yaffs_rename(a,b); // rename over
yaffs_rename(b,a); // rename back again (not renaimng over)
yaffs_rename(a,b); // rename back again (not renaimng over)
yaffs_unmount(mountpt);
}
int resize_stress_test(const char *path)
{
int a,b,i,j;
int x;
int r;
char aname[100];
char bname[100];
char abuffer[1000];
char bbuffer[1000];
yaffs_StartUp();
yaffs_mount(path);
sprintf(aname,"%s%s",path,"/a");
sprintf(bname,"%s%s",path,"/b");
memset(abuffer,'a',1000);
memset(bbuffer,'b',1000);
a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
printf(" %s %d %s %d\n",aname,a,bname,b);
x = 0;
for(j = 0; j < 100; j++)
{
yaffs_lseek(a,0,SEEK_END);
for(i = 0; i <20000; i++)
{
//r = yaffs_lseek(b,i,SEEK_SET);
//r = yaffs_write(b,bbuffer,1000);
if(x & 0x16)
{
// shrink
int syz = yaffs_lseek(a,0,SEEK_END);
syz -= 500;
if(syz < 0) syz = 0;
yaffs_truncate(a,syz);
}
else
{
//expand
r = yaffs_lseek(a,i * 500,SEEK_SET);
r = yaffs_write(a,abuffer,1000);
}
x++;
}
}
return 0;
}
int resize_stress_test_no_grow_complex(const char *path,int iters)
{
int a,b,i,j;
int x;
int r;
char aname[100];
char bname[100];
char abuffer[1000];
char bbuffer[1000];
yaffs_StartUp();
yaffs_mount(path);
sprintf(aname,"%s%s",path,"/a");
sprintf(bname,"%s%s",path,"/b");
memset(abuffer,'a',1000);
memset(bbuffer,'b',1000);
a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
printf(" %s %d %s %d\n",aname,a,bname,b);
x = 0;
for(j = 0; j < iters; j++)
{
yaffs_lseek(a,0,SEEK_END);
for(i = 0; i <20000; i++)
{
//r = yaffs_lseek(b,i,SEEK_SET);
//r = yaffs_write(b,bbuffer,1000);
if(!(x%20))
{
// shrink
int syz = yaffs_lseek(a,0,SEEK_END);
while(syz > 4000)
{
syz -= 2050;
if(syz < 0) syz = 0;
yaffs_truncate(a,syz);
syz = yaffs_lseek(a,0,SEEK_END);
printf("shrink to %d\n",syz);
}
}
else
{
//expand
r = yaffs_lseek(a,500,SEEK_END);
r = yaffs_write(a,abuffer,1000);
}
x++;
}
printf("file size is %d\n",yaffs_lseek(a,0,SEEK_END));
}
return 0;
}
int resize_stress_test_no_grow(const char *path,int iters)
{
int a,b,i,j;
int x;
int r;
char aname[100];
char bname[100];
char abuffer[1000];
char bbuffer[1000];
yaffs_StartUp();
yaffs_mount(path);
sprintf(aname,"%s%s",path,"/a");
sprintf(bname,"%s%s",path,"/b");
memset(abuffer,'a',1000);
memset(bbuffer,'b',1000);
a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
printf(" %s %d %s %d\n",aname,a,bname,b);
x = 0;
for(j = 0; j < iters; j++)
{
yaffs_lseek(a,0,SEEK_END);
for(i = 0; i <20000; i++)
{
//r = yaffs_lseek(b,i,SEEK_SET);
//r = yaffs_write(b,bbuffer,1000);
if(!(x%20))
{
// shrink
int syz = yaffs_lseek(a,0,SEEK_END);
while(syz > 4000)
{
syz -= 2050;
if(syz < 0) syz = 0;
yaffs_truncate(a,syz);
syz = yaffs_lseek(a,0,SEEK_END);
printf("shrink to %d\n",syz);
}
}
else
{
//expand
r = yaffs_lseek(a,-500,SEEK_END);
r = yaffs_write(a,abuffer,1000);
}
x++;
}
printf("file size is %d\n",yaffs_lseek(a,0,SEEK_END));
}
return 0;
}
int directory_rename_test(void)
{
int r;
yaffs_StartUp();
yaffs_mount("/ram");
yaffs_mkdir("/ram/a",0);
yaffs_mkdir("/ram/a/b",0);
yaffs_mkdir("/ram/c",0);
printf("\nDirectory look-up of /ram\n");
dumpDir("/ram");
dumpDir("/ram/a");
dumpDir("/ram/a/b");
printf("Do rename (should fail)\n");
r = yaffs_rename("/ram/a","/ram/a/b/d");
printf("\nDirectory look-up of /ram\n");
dumpDir("/ram");
dumpDir("/ram/a");
dumpDir("/ram/a/b");
printf("Do rename (should not fail)\n");
r = yaffs_rename("/ram/c","/ram/a/b/d");
printf("\nDirectory look-up of /ram\n");
dumpDir("/ram");
dumpDir("/ram/a");
dumpDir("/ram/a/b");
return 1;
}
int cache_read_test(void)
{
int a,b,c;
int i;
int sizeOfFiles = 500000;
char buffer[100];
yaffs_StartUp();
yaffs_mount("/boot");
make_a_file("/boot/a",'a',sizeOfFiles);
make_a_file("/boot/b",'b',sizeOfFiles);
a = yaffs_open("/boot/a",O_RDONLY,0);
b = yaffs_open("/boot/b",O_RDONLY,0);
c = yaffs_open("/boot/c", O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
do{
i = sizeOfFiles;
if (i > 100) i = 100;
sizeOfFiles -= i;
yaffs_read(a,buffer,i);
yaffs_read(b,buffer,i);
yaffs_write(c,buffer,i);
} while(sizeOfFiles > 0);
return 1;
}
int cache_bypass_bug_test(void)
{
// This test reporoduces a bug whereby YAFFS caching *was* buypassed
// resulting in erroneous reads after writes.
// This bug has been fixed.
int a;
int i;
char buffer1[1000];
char buffer2[1000];
memset(buffer1,0,sizeof(buffer1));
memset(buffer2,0,sizeof(buffer2));
yaffs_StartUp();
yaffs_mount("/boot");
// Create a file of 2000 bytes.
make_a_file("/boot/a",'X',2000);
a = yaffs_open("/boot/a",O_RDWR, S_IREAD | S_IWRITE);
// Write a short sequence to the file.
// This will go into the cache.
yaffs_lseek(a,0,SEEK_SET);
yaffs_write(a,"abcdefghijklmnopqrstuvwxyz",20);
// Read a short sequence from the file.
// This will come from the cache.
yaffs_lseek(a,0,SEEK_SET);
yaffs_read(a,buffer1,30);
// Read a page size sequence from the file.
yaffs_lseek(a,0,SEEK_SET);
yaffs_read(a,buffer2,512);
printf("buffer 1 %s\n",buffer1);
printf("buffer 2 %s\n",buffer2);
if(strncmp(buffer1,buffer2,20))
{
printf("Cache bypass bug detected!!!!!\n");
}
return 1;
}
int free_space_check(void)
{
int f;
yaffs_StartUp();
yaffs_mount("/boot");
fill_disk("/boot/",2);
f = yaffs_freespace("/boot");
printf("%d free when disk full\n",f);
return 1;
}
int truncate_test(void)
{
int a;
int r;
int i;
int l;
char y[10];
yaffs_StartUp();
yaffs_mount("/boot");
yaffs_unlink("/boot/trunctest");
a = yaffs_open("/boot/trunctest", O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
yaffs_write(a,"abcdefghijklmnopqrstuvwzyz",26);
yaffs_truncate(a,3);
l= yaffs_lseek(a,0,SEEK_END);
printf("truncated length is %d\n",l);
yaffs_lseek(a,5,SEEK_SET);
yaffs_write(a,"1",1);
yaffs_lseek(a,0,SEEK_SET);
r = yaffs_read(a,y,10);
printf("read %d bytes:",r);
for(i = 0; i < r; i++) printf("[%02X]",y[i]);
printf("\n");
return 0;
}
void fill_disk_test(const char *mountpt)
{
int i;
yaffs_StartUp();
for(i = 0; i < 5; i++)
{
yaffs_mount(mountpt);
fill_disk_and_delete(mountpt,100,i+1);
yaffs_unmount(mountpt);
}
}
void lookup_test(const char *mountpt)
{
int i;
int h;
char a[100];
char b[100];
yaffs_DIR *d;
yaffs_dirent *de;
struct yaffs_stat s;
char str[100];
yaffs_StartUp();
yaffs_mount(mountpt);
d = yaffs_opendir(mountpt);
if(!d)
{
printf("opendir failed\n");
}
else
{
for(i = 0; (de = yaffs_readdir(d)) != NULL; i++)
{
printf("unlinking %s\n",de->d_name);
yaffs_unlink(de->d_name);
}
printf("%d files deleted\n",i);
}
for(i = 0; i < 2000; i++){
sprintf(a,"%s/%d",mountpt,i);
h = yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR, 0);
yaffs_close(h);
}
yaffs_rewinddir(d);
for(i = 0; (de = yaffs_readdir(d)) != NULL; i++)
{
printf("%d %s\n",i,de->d_name);
}
printf("%d files listed\n\n\n",i);
yaffs_rewinddir(d);
yaffs_readdir(d);
yaffs_readdir(d);
yaffs_readdir(d);
for(i = 0; i < 2000; i++){
sprintf(a,"%s/%d",mountpt,i);
yaffs_unlink(a);
}
yaffs_unmount(mountpt);
}
void link_test(const char *mountpt)
{
int i;
int h;
char a[100];
char b[100];
char c[100];
int f0;
int f1;
int f2;
int f3;
sprintf(a,"%s/aaa",mountpt);
sprintf(b,"%s/bbb",mountpt);
sprintf(c,"%s/ccc",mountpt);
yaffs_StartUp();
yaffs_mount(mountpt);
h = yaffs_open(a, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
for(i = 0; i < 100; i++)
yaffs_write(h,a,100);
yaffs_close(h);
yaffs_unlink(b);
yaffs_unlink(c);
yaffs_link(a,b);
yaffs_link(a,c);
yaffs_unlink(b);
yaffs_unlink(c);
yaffs_unlink(a);
yaffs_unmount(mountpt);
yaffs_mount(mountpt);
printf("link test done\n");
}
void freespace_test(const char *mountpt)
{
int i;
int h;
char a[100];
char b[100];
int f0;
int f1;
int f2;
int f3;
sprintf(a,"%s/aaa",mountpt);
yaffs_StartUp();
yaffs_mount(mountpt);
f0 = yaffs_freespace(mountpt);
h = yaffs_open(a, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
for(i = 0; i < 100; i++)
yaffs_write(h,a,100);
yaffs_close(h);
f1 = yaffs_freespace(mountpt);
yaffs_unlink(a);
f2 = yaffs_freespace(mountpt);
yaffs_unmount(mountpt);
yaffs_mount(mountpt);
f3 = yaffs_freespace(mountpt);
printf("%d\n%d\n%d\n%d\n",f0, f1,f2,f3);
}
void simple_rw_test(const char *mountpt)
{
int i;
int h;
char a[100];
int x;
int result;
sprintf(a,"%s/aaa",mountpt);
yaffs_StartUp();
yaffs_mount(mountpt);
yaffs_unlink(a);
h = yaffs_open(a,O_CREAT| O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
for(i = 100000;i < 200000; i++){
result = yaffs_write(h,&i,sizeof(i));
if(result != 4)
{
printf("write error\n");
exit(1);
}
}
//yaffs_close(h);
// h = yaffs_open(a,O_RDWR, S_IREAD | S_IWRITE);
yaffs_lseek(h,0,SEEK_SET);
for(i = 100000; i < 200000; i++){
result = yaffs_read(h,&x,sizeof(x));
if(result != 4 || x != i){
printf("read error %d %x %x\n",i,result,x);
}
}
printf("Simple rw test passed\n");
}
void scan_deleted_files_test(const char *mountpt)
{
char fn[100];
char sub[100];
const char *p;
int i;
int j;
int k;
int h;
sprintf(sub,"%s/sdir",mountpt);
yaffs_StartUp();
for(j = 0; j < 10; j++)
{
printf("\n\n>>>>>>> Run %d <<<<<<<<<<<<<\n\n",j);
yaffs_mount(mountpt);
yaffs_mkdir(sub,0);
p = (j & 0) ? mountpt: sub;
for(i = 0; i < 100; i++)
{
sprintf(fn,"%s/%d",p,i);
if(i & 1)
{
h = yaffs_open(fn,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
for(k = 0; k < 1000; k++)
yaffs_write(h,fn,100);
yaffs_close(h);
}
else
yaffs_mkdir(fn,0);
}
for(i = 0; i < 10; i++)
{
sprintf(fn,"%s/%d",p,i);
if(i & 1)
yaffs_unlink(fn);
else
yaffs_rmdir(fn);
}
yaffs_unmount(mountpt);
}
}
void write_10k(int h)
{
int i;
const char *s="0123456789";
for(i = 0; i < 1000; i++)
yaffs_write(h,s,10);
}
void write_200k_file(const char *fn, const char *fdel, const char *fdel1)
{
int h1;
int i;
int offs;
h1 = yaffs_open(fn, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
for(i = 0; i < 100000; i+= 10000)
{
write_10k(h1);
}
offs = yaffs_lseek(h1,0,SEEK_CUR);
if( offs != 100000)
{
printf("Could not write file\n");
}
yaffs_unlink(fdel);
for(i = 0; i < 100000; i+= 10000)
{
write_10k(h1);
}
offs = yaffs_lseek(h1,0,SEEK_CUR);
if( offs != 200000)
{
printf("Could not write file\n");
}
yaffs_close(h1);
yaffs_unlink(fdel1);
}
void verify_200k_file(const char *fn)
{
int h1;
int i;
char x[11];
const char *s="0123456789";
int errCount = 0;
h1 = yaffs_open(fn, O_RDONLY, 0);
for(i = 0; i < 200000 && errCount < 10; i+= 10)
{
yaffs_read(h1,x,10);
if(strncmp(x,s,10) != 0)
{
printf("File %s verification failed at %d\n",fn,i);
errCount++;
}
}
if(errCount >= 10)
printf("Too many errors... aborted\n");
yaffs_close(h1);
}
void check_resize_gc_bug(const char *mountpt)
{
char a[30];
char b[30];
char c[30];
int i;
sprintf(a,"%s/a",mountpt);
sprintf(b,"%s/b",mountpt);
sprintf(c,"%s/c",mountpt);
yaffs_StartUp();
yaffs_mount(mountpt);
yaffs_unlink(a);
yaffs_unlink(b);
for(i = 0; i < 50; i++)
{
printf("A\n");write_200k_file(a,"",c);
printf("B\n");verify_200k_file(a);
printf("C\n");write_200k_file(b,a,c);
printf("D\n");verify_200k_file(b);
yaffs_unmount(mountpt);
yaffs_mount(mountpt);
printf("E\n");verify_200k_file(a);
printf("F\n");verify_200k_file(b);
}
}
void multi_mount_test(const char *mountpt,int nmounts)
{
char a[30];
char b[30];
char c[30];
int i;
int j;
sprintf(a,"%s/a",mountpt);
yaffs_StartUp();
for(i = 0; i < nmounts; i++){
int h0;
int h1;
int len0;
int len1;
static char xx[1000];
printf("############### Iteration %d Start\n",i);
if(1 || i == 0 || i == 5)
yaffs_mount(mountpt);
dump_directory_tree(mountpt);
yaffs_mkdir(a,0);
sprintf(xx,"%s/0",a);
h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
sprintf(xx,"%s/1",a);
h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
for(j = 0; j < 200; j++){
yaffs_write(h0,xx,1000);
yaffs_write(h1,xx,1000);
}
len0 = yaffs_lseek(h0,0,SEEK_END);
len1 = yaffs_lseek(h1,0,SEEK_END);
yaffs_lseek(h0,0,SEEK_SET);
yaffs_lseek(h1,0,SEEK_SET);
for(j = 0; j < 200; j++){
yaffs_read(h0,xx,1000);
yaffs_read(h1,xx,1000);
}
yaffs_truncate(h0,0);
yaffs_close(h0);
yaffs_close(h1);
printf("########### %d\n",i);
dump_directory_tree(mountpt);
if(1 || i == 4 || i == nmounts -1)
yaffs_unmount(mountpt);
}
}
void small_mount_test(const char *mountpt,int nmounts)
{
char a[30];
char b[30];
char c[30];
int i;
int j;
int h0;
int h1;
int len0;
int len1;
int nread;
sprintf(a,"%s/a",mountpt);
yaffs_StartUp();
for(i = 0; i < nmounts; i++){
static char xx[1000];
printf("############### Iteration %d Start\n",i);
if(1 || i == 0 || i == 5)
yaffs_mount(mountpt);
dump_directory_tree(mountpt);
yaffs_mkdir(a,0);
sprintf(xx,"%s/0",a);
if(i ==0){
h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
for(j = 0; j < 130; j++)
yaffs_write(h0,xx,1000);
yaffs_close(h0);
}
h0 = yaffs_open(xx,O_RDONLY,0);
sprintf(xx,"%s/1",a);
h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
while((nread = yaffs_read(h0,xx,1000)) > 0)
yaffs_write(h1,xx,nread);
len0 = yaffs_lseek(h0,0,SEEK_END);
len1 = yaffs_lseek(h1,0,SEEK_END);
yaffs_lseek(h0,0,SEEK_SET);
yaffs_lseek(h1,0,SEEK_SET);
for(j = 0; j < 200; j++){
yaffs_read(h0,xx,1000);
yaffs_read(h1,xx,1000);
}
yaffs_close(h0);
yaffs_close(h1);
printf("########### %d\n",i);
dump_directory_tree(mountpt);
if(1 || i == 4 || i == nmounts -1)
yaffs_unmount(mountpt);
}
}
int early_exit;
void small_overwrite_test(const char *mountpt,int nmounts)
{
char a[30];
char b[30];
char c[30];
int i;
int j;
int h0;
int h1;
int len0;
int len1;
int nread;
sprintf(a,"%s/a",mountpt);
yaffs_StartUp();
for(i = 0; i < nmounts; i++){
static char xx[8000];
printf("############### Iteration %d Start\n",i);
if(1)
yaffs_mount(mountpt);
dump_directory_tree(mountpt);
yaffs_mkdir(a,0);
sprintf(xx,"%s/0",a);
h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
sprintf(xx,"%s/1",a);
h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
for(j = 0; j < 1000000; j+=1000){
yaffs_truncate(h0,j);
yaffs_lseek(h0,j,SEEK_SET);
yaffs_write(h0,xx,7000);
yaffs_write(h1,xx,7000);
if(early_exit)
exit(0);
}
yaffs_close(h0);
printf("########### %d\n",i);
dump_directory_tree(mountpt);
if(1)
yaffs_unmount(mountpt);
}
}
void yaffs_touch(const char *fn)
{
yaffs_chmod(fn, S_IREAD | S_IWRITE);
}
void checkpoint_fill_test(const char *mountpt,int nmounts)
{
char a[50];
char b[50];
char c[50];
int i;
int j;
int h;
sprintf(a,"%s/a",mountpt);
yaffs_StartUp();
for(i = 0; i < nmounts; i++){
printf("############### Iteration %d Start\n",i);
yaffs_mount(mountpt);
dump_directory_tree(mountpt);
yaffs_mkdir(a,0);
sprintf(b,"%s/zz",a);
h = yaffs_open(b,O_CREAT | O_RDWR,S_IREAD |S_IWRITE);
while(yaffs_write(h,c,50) == 50){}
yaffs_close(h);
for(j = 0; j < 2; j++){
printf("touch %d\n",j);
yaffs_touch(b);
yaffs_unmount(mountpt);
yaffs_mount(mountpt);
}
dump_directory_tree(mountpt);
yaffs_unmount(mountpt);
}
}
int make_file2(const char *name1, const char *name2,int syz)
{
char xx[2500];
int i;
int h1=-1,h2=-1;
int n = 1;
if(name1)
h1 = yaffs_open(name1,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
if(name2)
h2 = yaffs_open(name2,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
while(syz > 0 && n > 0){
i = (syz > 2500) ? 2500 : syz;
n = yaffs_write(h1,xx,i);
n = yaffs_write(h2,xx,i);
syz -= 500;
}
yaffs_close(h1);
yaffs_close(h2);
}
extern void SetCheckpointReservedBlocks(int n);
void checkpoint_upgrade_test(const char *mountpt,int nmounts)
{
char a[50];
char b[50];
char c[50];
char d[50];
int i;
int j;
int h;
sprintf(a,"%s/a",mountpt);
printf("Create start condition\n");
yaffs_StartUp();
SetCheckpointReservedBlocks(0);
yaffs_mount(mountpt);
yaffs_mkdir(a,0);
sprintf(b,"%s/zz",a);
sprintf(c,"%s/xx",a);
make_file2(b,c,2000000);
sprintf(d,"%s/aa",a);
make_file2(d,NULL,500000000);
dump_directory_tree(mountpt);
printf("Umount/mount attempt full\n");
yaffs_unmount(mountpt);
SetCheckpointReservedBlocks(10);
yaffs_mount(mountpt);
printf("unlink small file\n");
yaffs_unlink(c);
dump_directory_tree(mountpt);
printf("Umount/mount attempt\n");
yaffs_unmount(mountpt);
yaffs_mount(mountpt);
for(j = 0; j < 500; j++){
printf("***** touch %d\n",j);
dump_directory_tree(mountpt);
yaffs_touch(b);
yaffs_unmount(mountpt);
yaffs_mount(mountpt);
}
for(j = 0; j < 500; j++){
printf("***** touch %d\n",j);
dump_directory_tree(mountpt);
yaffs_touch(b);
yaffs_unmount(mountpt);
yaffs_mount(mountpt);
}
}
void huge_array_test(const char *mountpt,int n)
{
char a[50];
int i;
int j;
int h;
int fnum;
sprintf(a,"mount point %s",mountpt);
yaffs_StartUp();
yaffs_mount(mountpt);
while(n>0){
n--;
fnum = 0;
printf("\n\n START run\n\n");
while(yaffs_freespace(mountpt) > 25000000){
sprintf(a,"%s/file%d",mountpt,fnum);
fnum++;
printf("create file %s\n",a);
create_file_of_size(a,10000000);
printf("verifying file %s\n",a);
verify_file_of_size(a,10000000);
}
printf("\n\n verification/deletion\n\n");
for(i = 0; i < fnum; i++){
sprintf(a,"%s/file%d",mountpt,i);
printf("verifying file %s\n",a);
verify_file_of_size(a,10000000);
printf("deleting file %s\n",a);
yaffs_unlink(a);
}
printf("\n\n done \n\n");
}
}
void random_write(int h)
{
static char buffer[12000];
int n;
n = random() & 0x1FFF;
yaffs_write(h,buffer,n);
}
void random_seek(int h)
{
int n;
n = random() & 0xFFFFF;
yaffs_lseek(h,n,SEEK_SET);
}
void random_truncate(int h, char * name)
{
int n;
int flen;
n = random() & 0xFFFFF;
flen = yaffs_lseek(h,0,SEEK_END);
if(n > flen)
n = flen / 2;
yaffs_truncate(name,n);
yaffs_lseek(h,n,SEEK_SET);
}
#define NSMALLFILES 10
void random_small_file_test(const char *mountpt,int iterations)
{
char a[NSMALLFILES][50];
int i;
int n;
int j;
int h[NSMALLFILES];
int r;
int fnum;
yaffs_StartUp();
yaffs_mount(mountpt);
for(i = 0; i < NSMALLFILES; i++){
h[i]=-1;
strcpy(a[i],"");
}
for(n = 0; n < iterations; n++){
for(i = 0; i < NSMALLFILES; i++) {
r = random();
if(strlen(a[i]) == 0){
sprintf(a[i],"%s/%dx%d",mountpt,n,i);
h[i] = yaffs_open(a,O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
}
if(h[i] < -1)
printf("Could not open yaffs file %d %d error %d\n",n,i,h[i]);
else {
r = r & 7;
switch(r){
case 0:
case 1:
case 2:
random_write(h[i]);
break;
case 3:
random_truncate(h[i],a[i]);
break;
case 4:
case 5: random_seek(h[i]);
break;
case 6:
yaffs_close(h[i]);
h[i] = -1;
break;
case 7:
yaffs_close(h[i]);
yaffs_unlink(a[i]);
strcpy(a[i],"");
h[i] = -1;
}
}
}
}
for(i = 0; i < NSMALLFILES; i++)
yaffs_close(h[i]);
yaffs_unmount(mountpt);
}
int main(int argc, char *argv[])
{
//return long_test(argc,argv);
//return cache_read_test();
resize_stress_test_no_grow("/flash/flash",20);
//huge_directory_test_on_path("/ram2k");
//yaffs_backward_scan_test("/flash/flash");
// yaffs_device_flush_test("/flash/flash");
//scan_pattern_test("/flash",10000,10);
//short_scan_test("/flash/flash",40000,200);
//small_mount_test("/flash/flash",1000);
//small_overwrite_test("/flash/flash",1000);
//checkpoint_fill_test("/flash/flash",20);
// random_small_file_test("/flash/flash",10000);
// huge_array_test("/flash/flash",10);
//long_test_on_path("/ram2k");
// long_test_on_path("/flash");
//simple_rw_test("/flash/flash");
//fill_disk_test("/flash/flash");
// rename_over_test("/flash");
//lookup_test("/flash");
//freespace_test("/flash/flash");
//link_test("/flash/flash");
// cache_bypass_bug_test();
//free_space_check();
//check_resize_gc_bug("/flash");
return 0;
}
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