+ 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");
+
+
+ }
+}
+
+
+
+int main(int argc, char *argv[])
+{
+ //return long_test(argc,argv);
+
+ //return cache_read_test();
+
+ //resize_stress_test_no_grow("/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);
+ //checkpoint_upgrade_test("/flash/flash",20);
+ // 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");