Clean up yaffs_FindNiceObject to be thread safe and simpler. Fix code that does a...
[yaffs2.git] / direct / dtest.c
index a48c618..24f5ad2 100644 (file)
@@ -1,6 +1,18 @@
 /*
-* Test code for the "direct" interface. 
-*/
+ * YAFFS: Yet another FFS. A NAND-flash specific file system. 
+ *
+ * Copyright (C) 2002 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.
+ *
+ */
+
+
 
 
 #include <stdio.h>
@@ -10,6 +22,7 @@
 
 #include "yaffsfs.h"
 
+
 void dumpDir(const char *dname);
 
 char xx[600];
@@ -112,9 +125,7 @@ int check_pattern_file(char *fn)
 int dump_file_data(char *fn)
 {
        int h;
-       int marker;
        int i = 0;
-       int size;
        int ok = 1;
        unsigned char b;
        
@@ -165,7 +176,9 @@ void create_file_of_size(const char *fn,int syze)
 {
        int h;
        int n;
+       int result;
        
+       char xx[200];
        
        int iterations = (syze + strlen(fn) -1)/ strlen(fn);
        
@@ -173,17 +186,48 @@ void create_file_of_size(const char *fn,int syze)
                
        while (iterations > 0)
        {
-               yaffs_write(h,fn,strlen(fn));
+               sprintf(xx,"%s %8d",fn,iterations);
+               n = strlen(xx);
+               result = yaffs_write(h,xx,n);
+               if(result != n)
+                       printf("Wrote %d, should have been %d\n",result,n);
                iterations--;
        }
        yaffs_close (h);
 }
 
-void create_resized_file_of_size(const char *fn,int syze1,int reSyze, int syze2)
+void verify_file_of_size(const char *fn,int syze)
 {
        int h;
-       int n;
+       int result;
+       
+       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);
+               
+               result = yaffs_read(h,yy,l);
+               yy[l] = 0;
+               
+               if(strcmp(xx,yy)){
+                       printf("=====>>>>> verification of file %s failed near position %lld\n",fn,(long long)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 iterations;
        
@@ -196,7 +240,7 @@ void create_resized_file_of_size(const char *fn,int syze1,int reSyze, int syze2)
                iterations--;
        }
        
-       yaffs_truncate(h,reSyze);
+       yaffs_ftruncate(h,reSyze);
        
        yaffs_lseek(h,0,SEEK_SET);
        iterations = (syze2 + strlen(fn) -1)/ strlen(fn);
@@ -248,6 +292,35 @@ void yaffs_backward_scan_test(const char *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)
@@ -302,7 +375,7 @@ void scan_pattern_test(const char *path, int fsize, int niterations)
        }
 }
 
-void fill_disk(char *path,int nfiles)
+void fill_disk(const char *path,int nfiles)
 {
        int h;
        int n;
@@ -328,7 +401,7 @@ void fill_disk(char *path,int nfiles)
        }
 }
 
-void fill_disk_and_delete(char *path, int nfiles, int ncycles)
+void fill_disk_and_delete(const char *path, int nfiles, int ncycles)
 {
        int i,j;
        char str[50];
@@ -349,7 +422,7 @@ void fill_disk_and_delete(char *path, int nfiles, int ncycles)
 }
 
 
-void fill_files(char *path,int flags, int maxIterations,int siz)
+void fill_files(const char *path,int flags, int maxIterations,int siz)
 {
        int i;
        int j;
@@ -361,7 +434,6 @@ void fill_files(char *path,int flags, int maxIterations,int siz)
        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)
                {
@@ -441,7 +513,7 @@ void dumpDirFollow(const char *dname)
                        
                        yaffs_stat(str,&s);
                        
-                       printf("%s length %d mode %X ",de->d_name,(int)s.st_size,s.st_mode);
+                       printf("%s ino %d length %d mode %X ",de->d_name,(int)s.st_ino,(int)s.st_size,s.st_mode);
                        switch(s.st_mode & S_IFMT)
                        {
                                case S_IFREG: printf("data file"); break;
@@ -467,12 +539,12 @@ void dumpDirFollow(const char *dname)
 }
 
 
-void dumpDir(const char *dname)
+void dump_directory_tree_worker(const char *dname,int recursive)
 {
        yaffs_DIR *d;
        yaffs_dirent *de;
        struct yaffs_stat s;
-       char str[100];
+       char str[1000];
                        
        d = yaffs_opendir(dname);
        
@@ -488,7 +560,7 @@ void dumpDir(const char *dname)
                        
                        yaffs_lstat(str,&s);
                        
-                       printf("%s length %d mode %X ",de->d_name,(int)s.st_size,s.st_mode);
+                       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;
@@ -502,15 +574,29 @@ void dumpDir(const char *dname)
                                default: printf("unknown"); break;
                        }
                        
-                       printf("\n");           
+                       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));
 }
 
 
@@ -796,18 +882,12 @@ int huge_directory_test_on_path(char *path)
 
        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();
        
@@ -852,6 +932,7 @@ int huge_directory_test_on_path(char *path)
 
 int yaffs_scan_test(const char *path)
 {
+       return 0;
 }
 
 
@@ -860,16 +941,27 @@ void rename_over_test(const char *mountpt)
        int i;
        char a[100];
        char b[100];
+       char c[100];
        
        sprintf(a,"%s/a",mountpt);
        sprintf(b,"%s/b",mountpt);
+       sprintf(c,"%s/c",mountpt);
        
        yaffs_StartUp();
        
        yaffs_mount(mountpt);
-       i = yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR, 0); 
+       
+       printf("Existing files\n");
+       dumpDirFollow(mountpt);
+       
+       
+       
+       i = yaffs_open(c,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+       printf("File c handle is %d\n",i);
        yaffs_close(i);
-       i = yaffs_open(b,O_CREAT | O_TRUNC | O_RDWR, 0);
+       i = yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR,  S_IREAD | S_IWRITE); 
+       yaffs_close(i);
+       i = yaffs_open(b,O_CREAT | O_TRUNC | O_RDWR,  S_IREAD | S_IWRITE);
        yaffs_close(i);
        yaffs_rename(a,b); // rename over
        yaffs_rename(b,a); // rename back again (not renaimng over)
@@ -880,6 +972,7 @@ void rename_over_test(const char *mountpt)
        
 }
 
+
 int resize_stress_test(const char *path)
 {
    int a,b,i,j;
@@ -925,7 +1018,7 @@ int resize_stress_test(const char *path)
                                
                                syz -= 500;
                                if(syz < 0) syz = 0;
-                               yaffs_truncate(a,syz);
+                               yaffs_ftruncate(a,syz);
                                
                        }
                        else
@@ -943,6 +1036,28 @@ int resize_stress_test(const char *path)
    
 }
 
+int root_perm_remount(const char *path)
+{
+   struct yaffs_stat s;
+   
+   yaffs_StartUp();
+   
+   yaffs_mount(path);
+   
+   yaffs_stat(path,&s);
+   printf("root perms after mount %x\n",s.st_mode);
+   
+   yaffs_chmod(path, 0777);
+
+   yaffs_stat(path,&s);
+   printf("root perms after setting to 0777 is  %x\n",s.st_mode);
+   
+   yaffs_unmount(path);
+      
+   return 0;
+   
+}
+
 
 int resize_stress_test_no_grow_complex(const char *path,int iters)
 {
@@ -954,6 +1069,7 @@ int resize_stress_test_no_grow_complex(const char *path,int iters)
    
    char abuffer[1000];
    char bbuffer[1000];
+
    
    yaffs_StartUp();
    
@@ -992,7 +1108,7 @@ int resize_stress_test_no_grow_complex(const char *path,int iters)
                                
                                        syz -= 2050;
                                        if(syz < 0) syz = 0;
-                                       yaffs_truncate(a,syz);
+                                       yaffs_ftruncate(a,syz);
                                        syz = yaffs_lseek(a,0,SEEK_END);
                                        printf("shrink to %d\n",syz);
                                }
@@ -1009,7 +1125,8 @@ int resize_stress_test_no_grow_complex(const char *path,int iters)
                        
                                        
                }
-               printf("file size is %d\n",yaffs_lseek(a,0,SEEK_END));
+               
+               printf("file size is %lld\n",(long long)yaffs_lseek(a,0,SEEK_END));
 
    }
    
@@ -1065,7 +1182,7 @@ int resize_stress_test_no_grow(const char *path,int iters)
                                
                                        syz -= 2050;
                                        if(syz < 0) syz = 0;
-                                       yaffs_truncate(a,syz);
+                                       yaffs_ftruncate(a,syz);
                                        syz = yaffs_lseek(a,0,SEEK_END);
                                        printf("shrink to %d\n",syz);
                                }
@@ -1082,7 +1199,7 @@ int resize_stress_test_no_grow(const char *path,int iters)
                        
                                        
                }
-               printf("file size is %d\n",yaffs_lseek(a,0,SEEK_END));
+               printf("file size is %lld\n",(long long)yaffs_lseek(a,0,SEEK_END));
 
    }
    
@@ -1166,7 +1283,6 @@ int cache_bypass_bug_test(void)
        // This bug has been fixed.
        
        int a;
-       int i;
        char buffer1[1000];
        char buffer2[1000];
        
@@ -1240,7 +1356,7 @@ int truncate_test(void)
        
        yaffs_write(a,"abcdefghijklmnopqrstuvwzyz",26);
        
-       yaffs_truncate(a,3);
+       yaffs_ftruncate(a,3);
        l= yaffs_lseek(a,0,SEEK_END);
        
        printf("truncated length is %d\n",l);
@@ -1281,19 +1397,106 @@ void fill_disk_test(const char *mountpt)
 }
 
 
+void fill_files_test(const char *mountpt)
+{
+       int i;
+       yaffs_StartUp();
+       
+       for(i = 0; i < 5; i++)
+       {
+               yaffs_mount(mountpt);
+               fill_files(mountpt,2,3,100);
+               yaffs_unmount(mountpt);
+       }
+       
+}
+
+void fill_empty_files_test(const char *mountpt)
+{
+       int i;
+       yaffs_StartUp();
+       char name[100];
+       int result = 0;
+       
+       int d,f;
+
+       for(i = 0; i < 5; i++)
+       {
+               yaffs_mount(mountpt);
+               for(d = 0; result >= 0 && d < 1000; d++){
+                       sprintf(name,"%s/%d",mountpt,d);
+                       result= yaffs_mkdir(name,0);
+                       printf("creating directory %s result %d\n",name,result);
+                       
+                       for(f = 0; result >= 0 && f < 100; f++){
+                               sprintf(name,"%s/%d/%d",mountpt,d,f);
+                               result= yaffs_open(name,O_CREAT, 0);
+                               yaffs_close(result);
+                               printf("creating file %s result %d\n",name,result);
+                       }
+               }
+               yaffs_unmount(mountpt);
+       }
+       
+}
+
+void long_name_test(const char *mountpt)
+{
+       int i;
+       yaffs_StartUp();
+       char fullName[1000];
+       char name[300];
+       int result = 0;
+       
+       int d,f;
+       
+       // Make a 256 byte name
+       memset(name,0,sizeof(name));
+       for(i = 0; i < 256; i++)
+               name[i] = '0' + i % 10;
+               
+       sprintf(fullName,"%s/%s",mountpt,name);
+
+       for(i = 0; i < 1; i++)
+       {
+               yaffs_mount(mountpt);
+               
+               printf("Files at start\n");
+               dumpDir(mountpt);
+               
+               printf("Creating file %s\n",fullName);
+               
+               f = yaffs_open(fullName,O_CREAT | O_RDWR,0);
+               yaffs_close(f);
+               
+               printf("Result %d\n",f);
+                       
+               printf("Files\n");
+               dumpDir(mountpt);
+               
+               printf("Deleting %s\n",fullName);
+               result = yaffs_unlink(fullName);
+               printf("Result %d\n",result);
+               
+               printf("Files\n");
+               
+               dumpDir(mountpt);
+               
+               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();
        
@@ -1347,12 +1550,125 @@ void lookup_test(const char *mountpt)
        
 }
 
-void freespace_test(const char *mountpt)
+void link_test0(const char *mountpt)
+{
+       int i;
+       char namea[300];
+       char nameb[300];
+       int result = 0;
+       
+
+       yaffs_StartUp();
+       yaffs_mount(mountpt);
+       
+               
+       sprintf(namea,"%s/a",mountpt);
+       sprintf(nameb,"%s/b",mountpt);
+
+       printf("mounted\n");
+        dumpDir(mountpt);
+
+       yaffs_unlink(namea);
+       printf("a unlinked\n");
+        dumpDir(mountpt);
+
+       yaffs_unlink(nameb);
+       printf("b unlinked\n");
+        dumpDir(mountpt);
+       
+       result = yaffs_open(namea,O_CREAT| O_RDWR,0666);
+        yaffs_close(result);
+       printf("a created\n");
+        dumpDir(mountpt);
+
+        yaffs_link(namea,nameb);
+        printf("linked\n");
+        dumpDir(mountpt);
+        yaffs_unlink(namea);
+        printf("a ulinked\n");
+        dumpDir(mountpt);
+        yaffs_unlink(nameb);
+        printf("b unlinked\n");
+        dumpDir(mountpt);
+
+       yaffs_unmount(mountpt);
+}
+
+
+void link_test1(const char *mountpt)
 {
        int i;
        int h;
        char a[100];
        char b[100];
+       char c[100];
+
+       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 handle_test(const char *mountpt)
+{
+       int i;
+       int h;
+       int cycle;
+       char a[100];
+
+       sprintf(a,"%s/aaa",mountpt);
+       
+       yaffs_StartUp();
+       
+       yaffs_mount(mountpt);
+
+        for(cycle = 0; cycle < 5; cycle++){
+        printf("Start cycle %d\n",cycle);
+       i = 0;
+       do {
+        h = yaffs_open(a, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+       printf("%d  handle %d\n",i,h);
+       i++;
+       } while(h >= 0);
+       
+       while(i >= -1) {
+        yaffs_close(i);
+        i--;
+        }
+        }
+       
+       yaffs_unmount(mountpt);
+}
+
+void freespace_test(const char *mountpt)
+{
+       int i;
+       int h;
+       char a[100];
        
        int  f0;
        int f1;
@@ -1510,18 +1826,18 @@ void write_10k(int h)
 void write_200k_file(const char *fn, const char *fdel, const char *fdel1)
 {
    int h1;
-   int h2;
    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);
-       write_10k(h2);
    }
    
-   if(yaffs_lseek(h1,0,SEEK_SET) != 1000000)
+   offs = yaffs_lseek(h1,0,SEEK_CUR);
+   if( offs != 100000)
    {
        printf("Could not write file\n");
    }
@@ -1530,19 +1846,17 @@ void write_200k_file(const char *fn, const char *fdel, const char *fdel1)
    for(i = 0; i < 100000; i+= 10000)
    {
        write_10k(h1);
-       write_10k(h2);
    }
    
-   if(yaffs_lseek(h1,0,SEEK_SET) != 2000000)
+   offs = yaffs_lseek(h1,0,SEEK_CUR);
+   if( offs != 200000)
    {
        printf("Could not write file\n");
    }
    
    yaffs_close(h1);
-   yaffs_close(h2);
    yaffs_unlink(fdel1);
    
-   
 }
 
 
@@ -1552,17 +1866,21 @@ void verify_200k_file(const char *fn)
    int i;
    char x[11];
    const char *s="0123456789";
+   int errCount = 0;
    
    h1 = yaffs_open(fn, O_RDONLY, 0);
    
-   for(i = 0; i < 200000; i+= 10)
+   for(i = 0; i < 200000 && errCount < 10; i+= 10)
    {
        yaffs_read(h1,x,10);
        if(strncmp(x,s,10) != 0)
        {
-               printf("File verification failed at %d\n",i);
+               printf("File %s verification failed at %d\n",fn,i);
+               errCount++;
        }
    }
+   if(errCount >= 10)
+       printf("Too many errors... aborted\n");
       
    yaffs_close(h1);       
        
@@ -1605,29 +1923,591 @@ void check_resize_gc_bug(const char *mountpt)
 }
 
 
+void multi_mount_test(const char *mountpt,int nmounts)
+{
+
+       char a[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);
+
+#if 0          
+               for(j = 0; j < 200; j++){
+                  yaffs_write(h0,xx,1000);
+                  yaffs_write(h1,xx,1000);
+               }
+#else
+               while(yaffs_write(h0,xx,1000) > 0){
+                  
+                  yaffs_write(h1,xx,1000);
+               }
+#endif
+               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];
+       
+       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];
+       int i;
+       int j;
+
+       int h0;
+       int h1;
+
+       
+       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_ftruncate(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 seek_overwrite_test(const char *mountpt,int nmounts)
+{
+
+       char a[30];
+       
+       int i;
+       int j;
+
+       int h0;
+
+       
+       sprintf(a,"%s/f",mountpt);
+
+       yaffs_StartUp();
+       
+       yaffs_mount(mountpt);
+       
+       
+       for(i = 0; i < nmounts; i++){
+               
+               h0 = yaffs_open(a, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+                       
+               for(j = 0; j < 100000; j++){
+                       yaffs_lseek(h0,0,SEEK_SET);
+                       yaffs_write(h0,xx,5000);
+                       yaffs_lseek(h0,0x100000,SEEK_SET);
+                       yaffs_write(h0,xx,5000);
+                       
+                       if(early_exit)
+                               exit(0);
+               }
+               
+               yaffs_close(h0);
+               
+       }
+}
+
+
+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);
+       return 0;
+}
+
+
+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 j;
+       
+       sprintf(a,"%s/a",mountpt);
+       
+
+       
+       
+       printf("Create start condition\n");
+       yaffs_StartUp();
+       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);
+       
+       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 space;
+       
+       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((space = yaffs_freespace(mountpt)) > 25000000){
+                       sprintf(a,"%s/file%d",mountpt,fnum);
+                       fnum++;
+                       printf("create file %s, free space %d\n",a,space);
+                       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_ftruncate(h,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 h[NSMALLFILES];
+       int r;
+       
+       
+       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[i],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);
+}
+
+void rmdir_test(const char *mountpt)
+{
+       char name[100];
+       yaffs_StartUp();
+       
+       yaffs_mount(mountpt);
+       
+       strcpy(name,mountpt);
+       strcat(name,"/");
+       strcat(name,"hello");
+       yaffs_mkdir(name,0666);
+       yaffs_rmdir(name);
+       yaffs_unmount(mountpt);
+}
+       
+
+int random_seed;
+int simulate_power_failure;
+
 int main(int argc, char *argv[])
 {
+       random_seed = time(NULL);
        //return long_test(argc,argv);
        
        //return cache_read_test();
        
-       //resize_stress_test_no_grow("/flash",20);
+       // resize_stress_test_no_grow("/flash/flash",20);
+       //root_perm_remount("/flash/flash");
        
        //huge_directory_test_on_path("/ram2k");
        
-        //yaffs_backward_scan_test("/flash")   ;
-        
+        //yaffs_backward_scan_test("/flash/flash");
+       // yaffs_device_flush_test("/flash/flash");
+
+       //rename_over_test("//////////////////flash///////////////////yaffs1///////////");
+       
+       fill_empty_files_test("/yaffs2/");
+       //long_name_test("/yaffs2");
+       //link_test0("/yaffs2");
+       //link_test1("yaffs2");
         //scan_pattern_test("/flash",10000,10);
-       //short_scan_test("/flash",40000,200);
+       //short_scan_test("/flash/flash",40000,200);
+         //small_mount_test("/flash/flash",1000);
+         //small_overwrite_test("/flash/flash",1000);
+         //seek_overwrite_test("/flash/flash",1000);
+        //checkpoint_fill_test("/flash/flash",20);
+        //checkpoint_upgrade_test("/flash/flash",20);
+         //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);
 
+
+       handle_test("yaffs2/");
        
        //long_test_on_path("/ram2k");
        // long_test_on_path("/flash");
-       simple_rw_test("/flash/flash");
-       fill_disk_test("/flash/flash");
+       //simple_rw_test("/flash/flash");
+       //fill_disk_test("/flash/flash");
        // rename_over_test("/flash");
        //lookup_test("/flash");
-       freespace_test("/flash/flash");
+       //freespace_test("/flash/flash");
+       
+       //link_test("/flash/flash");
+