Fix resizing of large files.

[yaffs2.git] / direct / basic-test / dtest.c

diff --git a/direct/basic-test/dtest.c b/direct/basic-test/dtest.c
index e57691903d369e416652e22db5a94ae122e32beb..3739acac2ae30b145a8a0f08133bd000ff1aeeff 100644 (file)
--- a/direct/basic-test/dtest.c
+++ b/direct/basic-test/dtest.c
@@ -9,7 +9,6 @@
  * 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.
- *
  */
 
 
@@ -2977,8 +2976,11 @@ void verify_big_sparse_file(int h)
 
 void large_file_test(const char *mountpt)
 {
+       char xx_buffer[1000];
+       int i;
        int handle;
        char fullname[100];
+       loff_t file_end;
 
        yaffs_trace_mask = 0;
 
@@ -3022,6 +3024,21 @@ void large_file_test(const char *mountpt)
        verify_big_sparse_file(handle);
        yaffs_unmount(mountpt);
 
+       /* Check resize by adding to the end, resizing back and verifying. */
+       yaffs_mount_common(mountpt, 0, 1);
+       printf("checking resize\n");
+        dumpDir(mountpt);
+       handle = yaffs_open(fullname, O_RDWR, 0);
+
+       file_end = yaffs_lseek(handle, 0, SEEK_END);
+       printf("file_end %lld\n", file_end);
+       for(i = 0; i < 10000; i++)
+               yaffs_write(handle, xx_buffer, sizeof(xx_buffer));
+       yaffs_ftruncate(handle, file_end);
+
+       verify_big_sparse_file(handle);
+       yaffs_unmount(mountpt);
+
 }
 
 
@@ -3093,10 +3110,10 @@ int main(int argc, char *argv[])
         //basic_utime_test("/yaffs2");
 
         //max_files_test("/yaffs2");
-        
-        start_twice("/yaffs2");
 
-        //large_file_test("/yaffs2");
+        //start_twice("/yaffs2");
+
+        large_file_test("/yaffs2");
 
         //basic_utime_test("/yaffs2");
         //case_insensitive_test("/yaffs2");