2 * Unit tests for file functions in Wine
4 * Copyright (c) 2002 Jakob Eriksson
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include "wine/test.h"
31 LPCSTR filename
= "testfile.xxx";
33 "en larvig liten text dx \033 gx hej 84 hej 4484 ! \001\033 bla bl\na.. bla bla."
34 "1234 43 4kljf lf &%%%&&&&&& 34 4 34 3############# 33 3 3 3 # 3## 3"
35 "1234 43 4kljf lf &%%%&&&&&& 34 4 34 3############# 33 3 3 3 # 3## 3"
36 "1234 43 4kljf lf &%%%&&&&&& 34 4 34 3############# 33 3 3 3 # 3## 3"
37 "1234 43 4kljf lf &%%%&&&&&& 34 4 34 3############# 33 3 3 3 # 3## 3"
38 "1234 43 4kljf lf &%%%&&&&&& 34 4 34 3############# 33 3 3 3 # 3## 3"
39 "1234 43 4kljf lf &%%%&&&&&& 34 4 34 3############# 33 3 3 3 # 3## 3"
40 "1234 43 4kljf lf &%%%&&&&&& 34 4 34 3############# 33 3 3 3 # 3## 3"
41 "1234 43 4kljf lf &%%%&&&&&& 34 4 34 3############# 33 3 3 3 # 3## 3"
42 "sdlkfjasdlkfj a dslkj adsklf \n \nasdklf askldfa sdlkf \nsadklf asdklf asdf ";
45 static void test__hread( void )
53 SetFileAttributesA(filename
,FILE_ATTRIBUTE_NORMAL
); /* be sure to remove stale files */
54 DeleteFileA( filename
);
55 filehandle
= _lcreat( filename
, 0 );
56 if (filehandle
== HFILE_ERROR
)
58 ok(0,"couldn't create file \"%s\" (err=%ld)\n",filename
,GetLastError());
62 ok( HFILE_ERROR
!= _hwrite( filehandle
, sillytext
, strlen( sillytext
) ), "_hwrite complains\n" );
64 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
66 filehandle
= _lopen( filename
, OF_READ
);
68 ok( HFILE_ERROR
!= filehandle
, "couldn't open file \"%s\" again (err=%ld)\n", filename
, GetLastError( ) );
70 bytes_read
= _hread( filehandle
, buffer
, 2 * strlen( sillytext
) );
72 ok( lstrlenA( sillytext
) == bytes_read
, "file read size error\n" );
74 for (bytes_wanted
= 0; bytes_wanted
< lstrlenA( sillytext
); bytes_wanted
++)
76 ok( 0 == _llseek( filehandle
, 0, FILE_BEGIN
), "_llseek complains\n" );
77 ok( _hread( filehandle
, buffer
, bytes_wanted
) == bytes_wanted
, "erratic _hread return value\n" );
78 for (i
= 0; i
< bytes_wanted
; i
++)
80 ok( buffer
[i
] == sillytext
[i
], "that's not what's written\n" );
84 ok( HFILE_ERROR
!= _lclose( filehandle
), "_lclose complains\n" );
86 ok( DeleteFileA( filename
) != 0, "DeleteFile failed (%ld)\n", GetLastError( ) );
90 static void test__hwrite( void )
102 filehandle
= _lcreat( filename
, 0 );
103 if (filehandle
== HFILE_ERROR
)
105 ok(0,"couldn't create file \"%s\" (err=%ld)\n",filename
,GetLastError());
109 ok( HFILE_ERROR
!= _hwrite( filehandle
, "", 0 ), "_hwrite complains\n" );
111 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
113 filehandle
= _lopen( filename
, OF_READ
);
115 bytes_read
= _hread( filehandle
, buffer
, 1);
117 ok( 0 == bytes_read
, "file read size error\n" );
119 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
121 filehandle
= _lopen( filename
, OF_READWRITE
);
125 srand( (unsigned)time( NULL
) );
126 for (blocks
= 0; blocks
< 100; blocks
++)
128 for (i
= 0; i
< (long)sizeof( buffer
); i
++)
131 checksum
[0] = checksum
[0] + buffer
[i
];
133 ok( HFILE_ERROR
!= _hwrite( filehandle
, buffer
, sizeof( buffer
) ), "_hwrite complains\n" );
134 bytes_written
= bytes_written
+ sizeof( buffer
);
137 ok( HFILE_ERROR
!= _hwrite( filehandle
, checksum
, 1 ), "_hwrite complains\n" );
140 ok( HFILE_ERROR
!= _lclose( filehandle
), "_lclose complains\n" );
142 memory_object
= LocalAlloc( LPTR
, bytes_written
);
144 ok( 0 != memory_object
, "LocalAlloc fails. (Could be out of memory.)\n" );
146 contents
= LocalLock( memory_object
);
148 filehandle
= _lopen( filename
, OF_READ
);
150 contents
= LocalLock( memory_object
);
152 ok( NULL
!= contents
, "LocalLock whines\n" );
154 ok( bytes_written
== _hread( filehandle
, contents
, bytes_written
), "read length differ from write length\n" );
160 checksum
[0] = checksum
[0] + contents
[i
];
163 while (i
< bytes_written
- 1);
165 ok( checksum
[0] == contents
[i
], "stored checksum differ from computed checksum\n" );
167 ok( HFILE_ERROR
!= _lclose( filehandle
), "_lclose complains\n" );
169 ok( DeleteFileA( filename
) != 0, "DeleteFile failed (%ld)\n", GetLastError( ) );
173 static void test__lclose( void )
177 filehandle
= _lcreat( filename
, 0 );
178 if (filehandle
== HFILE_ERROR
)
180 ok(0,"couldn't create file \"%s\" (err=%ld)\n",filename
,GetLastError());
184 ok( HFILE_ERROR
!= _hwrite( filehandle
, sillytext
, strlen( sillytext
) ), "_hwrite complains\n" );
186 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
188 ok( DeleteFileA( filename
) != 0, "DeleteFile failed (%ld)\n", GetLastError( ) );
192 static void test__lcreat( void )
196 WIN32_FIND_DATAA search_results
;
197 char slashname
[] = "testfi/";
201 filehandle
= _lcreat( filename
, 0 );
202 if (filehandle
== HFILE_ERROR
)
204 ok(0,"couldn't create file \"%s\" (err=%ld)\n",filename
,GetLastError());
208 ok( HFILE_ERROR
!= _hwrite( filehandle
, sillytext
, strlen( sillytext
) ), "_hwrite complains\n" );
210 ok( 0 == _llseek( filehandle
, 0, FILE_BEGIN
), "_llseek complains\n" );
212 ok( _hread( filehandle
, buffer
, strlen( sillytext
) ) == lstrlenA( sillytext
), "erratic _hread return value\n" );
214 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
216 ok( INVALID_HANDLE_VALUE
!= FindFirstFileA( filename
, &search_results
), "should be able to find file\n" );
218 ok( DeleteFileA(filename
) != 0, "DeleteFile failed (%ld)\n", GetLastError());
220 filehandle
= _lcreat( filename
, 1 ); /* readonly */
221 ok( HFILE_ERROR
!= filehandle
, "couldn't create file \"%s\" (err=%ld)\n", filename
, GetLastError( ) );
223 ok( HFILE_ERROR
!= _hwrite( filehandle
, sillytext
, strlen( sillytext
) ), "_hwrite shouldn't be able to write never the less\n" );
225 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
227 ok( INVALID_HANDLE_VALUE
!= FindFirstFileA( filename
, &search_results
), "should be able to find file\n" );
229 ok( 0 == DeleteFileA( filename
), "shouldn't be able to delete a readonly file\n" );
231 ok( SetFileAttributesA(filename
, FILE_ATTRIBUTE_NORMAL
) != 0, "couldn't change attributes on file\n" );
233 ok( DeleteFileA( filename
) != 0, "now it should be possible to delete the file!\n" );
235 filehandle
= _lcreat( filename
, 2 );
236 ok( HFILE_ERROR
!= filehandle
, "couldn't create file \"%s\" (err=%ld)\n", filename
, GetLastError( ) );
238 ok( HFILE_ERROR
!= _hwrite( filehandle
, sillytext
, strlen( sillytext
) ), "_hwrite complains\n" );
240 ok( 0 == _llseek( filehandle
, 0, FILE_BEGIN
), "_llseek complains\n" );
242 ok( _hread( filehandle
, buffer
, strlen( sillytext
) ) == lstrlenA( sillytext
), "erratic _hread return value\n" );
244 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
246 ok( INVALID_HANDLE_VALUE
!= FindFirstFileA( filename
, &search_results
), "should STILL be able to find file\n" );
248 ok( DeleteFileA( filename
) != 0, "DeleteFile failed (%ld)\n", GetLastError( ) );
250 filehandle
= _lcreat( filename
, 4 ); /* SYSTEM file */
251 ok( HFILE_ERROR
!= filehandle
, "couldn't create file \"%s\" (err=%ld)\n", filename
, GetLastError( ) );
253 ok( HFILE_ERROR
!= _hwrite( filehandle
, sillytext
, strlen( sillytext
) ), "_hwrite complains\n" );
255 ok( 0 == _llseek( filehandle
, 0, FILE_BEGIN
), "_llseek complains\n" );
257 ok( _hread( filehandle
, buffer
, strlen( sillytext
) ) == lstrlenA( sillytext
), "erratic _hread return value\n" );
259 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
261 ok( INVALID_HANDLE_VALUE
!= FindFirstFileA( filename
, &search_results
), "should STILL be able to find file\n" );
263 ok( DeleteFileA( filename
) != 0, "DeleteFile failed (%ld)\n", GetLastError( ) );
265 filehandle
=_lcreat (slashname
, 0); /* illegal name */
266 if (HFILE_ERROR
==filehandle
) {
268 ok (err
==ERROR_INVALID_NAME
|| err
==ERROR_PATH_NOT_FOUND
,
269 "creating file \"%s\" failed with error %d\n", slashname
, err
);
270 } else { /* only NT succeeds */
272 find
=FindFirstFileA (slashname
, &search_results
);
273 if (INVALID_HANDLE_VALUE
!=find
)
275 ok (0!=FindClose (find
), "FindClose complains (%ld)\n", GetLastError ());
276 slashname
[strlen(slashname
)-1]=0;
277 ok (!strcmp (slashname
, search_results
.cFileName
),
278 "found unexpected name \"%s\"\n", search_results
.cFileName
);
279 ok (FILE_ATTRIBUTE_ARCHIVE
==search_results
.dwFileAttributes
,
280 "attributes of file \"%s\" are 0x%04lx\n", search_results
.cFileName
,
281 search_results
.dwFileAttributes
);
283 ok (0!=DeleteFileA (slashname
), "Can't delete \"%s\" (%ld)\n", slashname
,
287 filehandle
=_lcreat (filename
, 8); /* illegal attribute */
288 if (HFILE_ERROR
==filehandle
)
289 ok (0, "couldn't create volume label \"%s\"\n", filename
);
292 find
=FindFirstFileA (filename
, &search_results
);
293 if (INVALID_HANDLE_VALUE
==find
)
294 ok (0, "file \"%s\" not found\n", filename
);
296 ok (0!=FindClose (find
), "FindClose complains (%ld)\n", GetLastError ());
297 ok (!strcmp (filename
, search_results
.cFileName
),
298 "found unexpected name \"%s\"\n", search_results
.cFileName
);
299 ok (FILE_ATTRIBUTE_ARCHIVE
==search_results
.dwFileAttributes
,
300 "attributes of file \"%s\" are 0x%04lx\n", search_results
.cFileName
,
301 search_results
.dwFileAttributes
);
303 ok (0!=DeleteFileA (filename
), "Can't delete \"%s\" (%ld)\n", slashname
,
309 static void test__llseek( void )
316 filehandle
= _lcreat( filename
, 0 );
317 if (filehandle
== HFILE_ERROR
)
319 ok(0,"couldn't create file \"%s\" (err=%ld)\n",filename
,GetLastError());
323 for (i
= 0; i
< 400; i
++)
325 ok( HFILE_ERROR
!= _hwrite( filehandle
, sillytext
, strlen( sillytext
) ), "_hwrite complains\n" );
327 ok( HFILE_ERROR
!= _llseek( filehandle
, 400 * strlen( sillytext
), FILE_CURRENT
), "should be able to seek\n" );
328 ok( HFILE_ERROR
!= _llseek( filehandle
, 27 + 35 * strlen( sillytext
), FILE_BEGIN
), "should be able to seek\n" );
330 bytes_read
= _hread( filehandle
, buffer
, 1);
331 ok( 1 == bytes_read
, "file read size error\n" );
332 ok( buffer
[0] == sillytext
[27], "_llseek error, it got lost seeking\n" );
333 ok( HFILE_ERROR
!= _llseek( filehandle
, -400 * strlen( sillytext
), FILE_END
), "should be able to seek\n" );
335 bytes_read
= _hread( filehandle
, buffer
, 1);
336 ok( 1 == bytes_read
, "file read size error\n" );
337 ok( buffer
[0] == sillytext
[0], "_llseek error, it got lost seeking\n" );
338 ok( HFILE_ERROR
!= _llseek( filehandle
, 1000000, FILE_END
), "should be able to seek past file; poor, poor Windows programmers\n" );
339 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
341 ok( DeleteFileA( filename
) != 0, "DeleteFile failed (%ld)\n", GetLastError( ) );
345 static void test__llopen( void )
351 filehandle
= _lcreat( filename
, 0 );
352 if (filehandle
== HFILE_ERROR
)
354 ok(0,"couldn't create file \"%s\" (err=%ld)\n",filename
,GetLastError());
358 ok( HFILE_ERROR
!= _hwrite( filehandle
, sillytext
, strlen( sillytext
) ), "_hwrite complains\n" );
359 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
361 filehandle
= _lopen( filename
, OF_READ
);
362 ok( HFILE_ERROR
== _hwrite( filehandle
, sillytext
, strlen( sillytext
) ), "_hwrite shouldn't be able to write!\n" );
363 bytes_read
= _hread( filehandle
, buffer
, strlen( sillytext
) );
364 ok( strlen( sillytext
) == bytes_read
, "file read size error\n" );
365 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
367 filehandle
= _lopen( filename
, OF_READWRITE
);
368 bytes_read
= _hread( filehandle
, buffer
, 2 * strlen( sillytext
) );
369 ok( strlen( sillytext
) == bytes_read
, "file read size error\n" );
370 ok( HFILE_ERROR
!= _hwrite( filehandle
, sillytext
, strlen( sillytext
) ), "_hwrite should write just fine\n" );
371 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
373 filehandle
= _lopen( filename
, OF_WRITE
);
374 ok( HFILE_ERROR
== _hread( filehandle
, buffer
, 1 ), "you should only be able to write this file\n" );
375 ok( HFILE_ERROR
!= _hwrite( filehandle
, sillytext
, strlen( sillytext
) ), "_hwrite should write just fine\n" );
376 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
378 ok( DeleteFileA( filename
) != 0, "DeleteFile failed (%ld)\n", GetLastError( ) );
379 /* TODO - add tests for the SHARE modes - use two processes to pull this one off */
383 static void test__lread( void )
391 filehandle
= _lcreat( filename
, 0 );
392 if (filehandle
== HFILE_ERROR
)
394 ok(0,"couldn't create file \"%s\" (err=%ld)\n",filename
,GetLastError());
398 ok( HFILE_ERROR
!= _hwrite( filehandle
, sillytext
, strlen( sillytext
) ), "_hwrite complains\n" );
400 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
402 filehandle
= _lopen( filename
, OF_READ
);
404 ok( HFILE_ERROR
!= filehandle
, "couldn't open file \"%s\" again (err=%ld)\n", filename
, GetLastError());
406 bytes_read
= _lread( filehandle
, buffer
, 2 * strlen( sillytext
) );
408 ok( lstrlenA( sillytext
) == bytes_read
, "file read size error\n" );
410 for (bytes_wanted
= 0; bytes_wanted
< strlen( sillytext
); bytes_wanted
++)
412 ok( 0 == _llseek( filehandle
, 0, FILE_BEGIN
), "_llseek complains\n" );
413 ok( _lread( filehandle
, buffer
, bytes_wanted
) == bytes_wanted
, "erratic _hread return value\n" );
414 for (i
= 0; i
< bytes_wanted
; i
++)
416 ok( buffer
[i
] == sillytext
[i
], "that's not what's written\n" );
420 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
422 ok( DeleteFileA( filename
) != 0, "DeleteFile failed (%ld)\n", GetLastError( ) );
426 static void test__lwrite( void )
435 HLOCAL memory_object
;
438 filehandle
= _lcreat( filename
, 0 );
439 if (filehandle
== HFILE_ERROR
)
441 ok(0,"couldn't create file \"%s\" (err=%ld)\n",filename
,GetLastError());
445 ok( HFILE_ERROR
!= _lwrite( filehandle
, "", 0 ), "_hwrite complains\n" );
447 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
449 filehandle
= _lopen( filename
, OF_READ
);
451 bytes_read
= _hread( filehandle
, buffer
, 1);
453 ok( 0 == bytes_read
, "file read size error\n" );
455 ok( HFILE_ERROR
!= _lclose(filehandle
), "_lclose complains\n" );
457 filehandle
= _lopen( filename
, OF_READWRITE
);
461 srand( (unsigned)time( NULL
) );
462 for (blocks
= 0; blocks
< 100; blocks
++)
464 for (i
= 0; i
< (long)sizeof( buffer
); i
++)
467 checksum
[0] = checksum
[0] + buffer
[i
];
469 ok( HFILE_ERROR
!= _lwrite( filehandle
, buffer
, sizeof( buffer
) ), "_hwrite complains\n" );
470 bytes_written
= bytes_written
+ sizeof( buffer
);
473 ok( HFILE_ERROR
!= _lwrite( filehandle
, checksum
, 1 ), "_hwrite complains\n" );
476 ok( HFILE_ERROR
!= _lclose( filehandle
), "_lclose complains\n" );
478 memory_object
= LocalAlloc( LPTR
, bytes_written
);
480 ok( 0 != memory_object
, "LocalAlloc fails, could be out of memory\n" );
482 contents
= LocalLock( memory_object
);
484 filehandle
= _lopen( filename
, OF_READ
);
486 contents
= LocalLock( memory_object
);
488 ok( NULL
!= contents
, "LocalLock whines\n" );
490 ok( bytes_written
== _hread( filehandle
, contents
, bytes_written
), "read length differ from write length\n" );
496 checksum
[0] += contents
[i
];
499 while (i
< bytes_written
- 1);
501 ok( checksum
[0] == contents
[i
], "stored checksum differ from computed checksum\n" );
503 ok( HFILE_ERROR
!= _lclose( filehandle
), "_lclose complains\n" );
505 ok( DeleteFileA( filename
) != 0, "DeleteFile failed (%ld)\n", GetLastError( ) );
508 static void test_CopyFileA(void)
510 char temp_path
[MAX_PATH
];
511 char source
[MAX_PATH
], dest
[MAX_PATH
];
512 static const char prefix
[] = "pfx";
515 ret
= GetTempPathA(MAX_PATH
, temp_path
);
516 ok(ret
!= 0, "GetTempPathA error %ld\n", GetLastError());
517 ok(ret
< MAX_PATH
, "temp path should fit into MAX_PATH\n");
519 ret
= GetTempFileNameA(temp_path
, prefix
, 0, source
);
520 ok(ret
!= 0, "GetTempFileNameA error %ld\n", GetLastError());
522 ret
= GetTempFileNameA(temp_path
, prefix
, 0, dest
);
523 ok(ret
!= 0, "GetTempFileNameA error %ld\n", GetLastError());
525 ret
= CopyFileA(source
, dest
, TRUE
);
526 ok(!ret
&& GetLastError() == ERROR_FILE_EXISTS
,
527 "CopyFileA: unexpected error %ld\n", GetLastError());
529 ret
= CopyFileA(source
, dest
, FALSE
);
530 ok(ret
, "CopyFileA: error %ld\n", GetLastError());
532 ret
= DeleteFileA(source
);
533 ok(ret
, "DeleteFileA: error %ld\n", GetLastError());
534 ret
= DeleteFileA(dest
);
535 ok(ret
, "DeleteFileA: error %ld\n", GetLastError());
538 static void test_CopyFileW(void)
540 WCHAR temp_path
[MAX_PATH
];
541 WCHAR source
[MAX_PATH
], dest
[MAX_PATH
];
542 static const WCHAR prefix
[] = {'p','f','x',0};
545 ret
= GetTempPathW(MAX_PATH
, temp_path
);
546 if (ret
==0 && GetLastError()==ERROR_CALL_NOT_IMPLEMENTED
)
548 ok(ret
!= 0, "GetTempPathW error %ld\n", GetLastError());
549 ok(ret
< MAX_PATH
, "temp path should fit into MAX_PATH\n");
551 ret
= GetTempFileNameW(temp_path
, prefix
, 0, source
);
552 ok(ret
!= 0, "GetTempFileNameW error %ld\n", GetLastError());
554 ret
= GetTempFileNameW(temp_path
, prefix
, 0, dest
);
555 ok(ret
!= 0, "GetTempFileNameW error %ld\n", GetLastError());
557 ret
= CopyFileW(source
, dest
, TRUE
);
558 ok(!ret
&& GetLastError() == ERROR_FILE_EXISTS
,
559 "CopyFileW: unexpected error %ld\n", GetLastError());
561 ret
= CopyFileW(source
, dest
, FALSE
);
562 ok(ret
, "CopyFileW: error %ld\n", GetLastError());
564 ret
= DeleteFileW(source
);
565 ok(ret
, "DeleteFileW: error %ld\n", GetLastError());
566 ret
= DeleteFileW(dest
);
567 ok(ret
, "DeleteFileW: error %ld\n", GetLastError());
570 static void test_CreateFileA(void)
573 char temp_path
[MAX_PATH
];
574 char filename
[MAX_PATH
];
575 static const char prefix
[] = "pfx";
578 ret
= GetTempPathA(MAX_PATH
, temp_path
);
579 ok(ret
!= 0, "GetTempPathA error %ld\n", GetLastError());
580 ok(ret
< MAX_PATH
, "temp path should fit into MAX_PATH\n");
582 ret
= GetTempFileNameA(temp_path
, prefix
, 0, filename
);
583 ok(ret
!= 0, "GetTempFileNameA error %ld\n", GetLastError());
585 hFile
= CreateFileA(filename
, GENERIC_READ
, 0, NULL
,
586 CREATE_NEW
, FILE_FLAG_RANDOM_ACCESS
, 0);
587 ok(hFile
== INVALID_HANDLE_VALUE
&& GetLastError() == ERROR_FILE_EXISTS
,
588 "CREATE_NEW should fail if file exists and last error value should be ERROR_FILE_EXISTS\n");
590 ret
= DeleteFileA(filename
);
591 ok(ret
, "DeleteFileA: error %ld\n", GetLastError());
594 static void test_CreateFileW(void)
597 WCHAR temp_path
[MAX_PATH
];
598 WCHAR filename
[MAX_PATH
];
599 WCHAR emptyW
[]={'\0'};
600 static const WCHAR prefix
[] = {'p','f','x',0};
603 ret
= GetTempPathW(MAX_PATH
, temp_path
);
604 if (ret
==0 && GetLastError()==ERROR_CALL_NOT_IMPLEMENTED
)
606 ok(ret
!= 0, "GetTempPathW error %ld\n", GetLastError());
607 ok(ret
< MAX_PATH
, "temp path should fit into MAX_PATH\n");
609 ret
= GetTempFileNameW(temp_path
, prefix
, 0, filename
);
610 ok(ret
!= 0, "GetTempFileNameW error %ld\n", GetLastError());
612 hFile
= CreateFileW(filename
, GENERIC_READ
, 0, NULL
,
613 CREATE_NEW
, FILE_FLAG_RANDOM_ACCESS
, 0);
614 ok(hFile
== INVALID_HANDLE_VALUE
&& GetLastError() == ERROR_FILE_EXISTS
,
615 "CREATE_NEW should fail if file exists and last error value should be ERROR_FILE_EXISTS\n");
617 ret
= DeleteFileW(filename
);
618 ok(ret
, "DeleteFileW: error %ld\n", GetLastError());
620 hFile
= CreateFileW(NULL
, GENERIC_READ
, 0, NULL
,
621 CREATE_NEW
, FILE_FLAG_RANDOM_ACCESS
, 0);
622 ok(hFile
== INVALID_HANDLE_VALUE
&& GetLastError() == ERROR_PATH_NOT_FOUND
,
623 "CreateFileW(NULL) returned ret=%p error=%ld\n",hFile
,GetLastError());
625 hFile
= CreateFileW(emptyW
, GENERIC_READ
, 0, NULL
,
626 CREATE_NEW
, FILE_FLAG_RANDOM_ACCESS
, 0);
627 ok(hFile
== INVALID_HANDLE_VALUE
&& GetLastError() == ERROR_PATH_NOT_FOUND
,
628 "CreateFileW(\"\") returned ret=%p error=%ld\n",hFile
,GetLastError());
632 static void test_GetTempFileNameA() {
635 char *expected
= "c:\\windows\\abc2.tmp";
637 /* this test may depend on the config file settings */
638 result
= GetTempFileNameA("C:", "abc", 1, out
);
639 ok( result
!= 0, "GetTempFileNameA: error %ld\n", GetLastError() );
640 ok( ((out
[0] == 'C') && (out
[1] == ':')) && (out
[2] == '\\'), "GetTempFileNameA: first three characters should be C:\\, string was actually %s\n", out
);
642 result
= GetTempFileNameA("c:\\windows\\", "abc", 2, out
);
643 ok( result
!= 0, "GetTempFileNameA: error %ld\n", GetLastError() );
644 ok( lstrcmpiA( out
, expected
) == 0, "GetTempFileNameA: Unexpected output \"%s\" vs \"%s\"\n", out
, expected
);
648 static void test_DeleteFileA( void )
652 ret
= DeleteFileA(NULL
);
653 ok(!ret
&& (GetLastError() == ERROR_INVALID_PARAMETER
||
654 GetLastError() == ERROR_PATH_NOT_FOUND
),
655 "DeleteFileA(NULL) returned ret=%d error=%ld\n",ret
,GetLastError());
657 ret
= DeleteFileA("");
658 ok(!ret
&& (GetLastError() == ERROR_PATH_NOT_FOUND
||
659 GetLastError() == ERROR_BAD_PATHNAME
),
660 "DeleteFileA(\"\") returned ret=%d error=%ld\n",ret
,GetLastError());
662 ret
= DeleteFileA("nul");
663 ok(!ret
&& (GetLastError() == ERROR_FILE_NOT_FOUND
||
664 GetLastError() == ERROR_INVALID_PARAMETER
),
665 "DeleteFileA(\"nul\") returned ret=%d error=%ld\n",ret
,GetLastError());
668 static void test_DeleteFileW( void )
671 WCHAR emptyW
[]={'\0'};
673 ret
= DeleteFileW(NULL
);
674 if (ret
==0 && GetLastError()==ERROR_CALL_NOT_IMPLEMENTED
)
676 ok(!ret
&& GetLastError() == ERROR_PATH_NOT_FOUND
,
677 "DeleteFileW(NULL) returned ret=%d error=%ld\n",ret
,GetLastError());
679 ret
= DeleteFileW(emptyW
);
680 ok(!ret
&& GetLastError() == ERROR_PATH_NOT_FOUND
,
681 "DeleteFileW(\"\") returned ret=%d error=%ld\n",ret
,GetLastError());
684 #define IsDotDir(x) ((x[0] == '.') && ((x[1] == 0) || ((x[1] == '.') && (x[2] == 0))))
686 static void test_MoveFileA(void)
688 char tempdir
[MAX_PATH
];
689 char source
[MAX_PATH
], dest
[MAX_PATH
];
690 static const char prefix
[] = "pfx";
693 ret
= GetTempPathA(MAX_PATH
, tempdir
);
694 ok(ret
!= 0, "GetTempPathA error %ld\n", GetLastError());
695 ok(ret
< MAX_PATH
, "temp path should fit into MAX_PATH\n");
697 ret
= GetTempFileNameA(tempdir
, prefix
, 0, source
);
698 ok(ret
!= 0, "GetTempFileNameA error %ld\n", GetLastError());
700 ret
= GetTempFileNameA(tempdir
, prefix
, 0, dest
);
701 ok(ret
!= 0, "GetTempFileNameA error %ld\n", GetLastError());
703 ret
= MoveFileA(source
, dest
);
704 ok(!ret
&& GetLastError() == ERROR_ALREADY_EXISTS
,
705 "MoveFileA: unexpected error %ld\n", GetLastError());
707 ret
= DeleteFileA(dest
);
708 ok(ret
, "DeleteFileA: error %ld\n", GetLastError());
710 ret
= MoveFileA(source
, dest
);
711 ok(ret
, "MoveFileA: failed, error %ld\n", GetLastError());
713 lstrcatA(tempdir
, "Remove Me");
714 ret
= CreateDirectoryA(tempdir
, NULL
);
715 ok(ret
== TRUE
, "CreateDirectoryA failed\n");
717 lstrcpyA(source
, dest
);
718 lstrcpyA(dest
, tempdir
);
719 lstrcatA(dest
, "\\wild?.*");
720 /* FIXME: if we create a file with wildcards we can't delete it now that DeleteFile works correctly */
722 ret
= MoveFileA(source
, dest
);
724 ok(!ret
, "MoveFileA: shouldn't move to wildcard file\n");
725 ok(GetLastError() == ERROR_INVALID_NAME
,
726 "MoveFileA: with wildcards, unexpected error %ld\n", GetLastError());
727 if (ret
|| (GetLastError() != ERROR_INVALID_NAME
))
730 char temppath
[MAX_PATH
];
733 lstrcpyA(temppath
, tempdir
);
734 lstrcatA(temppath
, "\\*.*");
735 hFind
= FindFirstFileA(temppath
, &fd
);
736 if (INVALID_HANDLE_VALUE
!= hFind
)
741 lpName
= fd
.cAlternateFileName
;
743 lpName
= fd
.cFileName
;
744 ok(IsDotDir(lpName
), "MoveFileA: wildcards file created!\n");
746 while (FindNextFileA(hFind
, &fd
));
750 ret
= DeleteFileA(source
);
751 ok(ret
, "DeleteFileA: error %ld\n", GetLastError());
752 ret
= DeleteFileA(dest
);
753 ok(!ret
, "DeleteFileA: error %ld\n", GetLastError());
757 ret
= RemoveDirectoryA(tempdir
);
758 ok(ret
, "DeleteDirectoryA: error %ld\n", GetLastError());
761 static void test_MoveFileW(void)
763 WCHAR temp_path
[MAX_PATH
];
764 WCHAR source
[MAX_PATH
], dest
[MAX_PATH
];
765 static const WCHAR prefix
[] = {'p','f','x',0};
768 ret
= GetTempPathW(MAX_PATH
, temp_path
);
769 if (ret
==0 && GetLastError()==ERROR_CALL_NOT_IMPLEMENTED
)
771 ok(ret
!= 0, "GetTempPathW error %ld\n", GetLastError());
772 ok(ret
< MAX_PATH
, "temp path should fit into MAX_PATH\n");
774 ret
= GetTempFileNameW(temp_path
, prefix
, 0, source
);
775 ok(ret
!= 0, "GetTempFileNameW error %ld\n", GetLastError());
777 ret
= GetTempFileNameW(temp_path
, prefix
, 0, dest
);
778 ok(ret
!= 0, "GetTempFileNameW error %ld\n", GetLastError());
780 ret
= MoveFileW(source
, dest
);
781 ok(!ret
&& GetLastError() == ERROR_ALREADY_EXISTS
,
782 "CopyFileW: unexpected error %ld\n", GetLastError());
784 ret
= DeleteFileW(source
);
785 ok(ret
, "DeleteFileW: error %ld\n", GetLastError());
786 ret
= DeleteFileW(dest
);
787 ok(ret
, "DeleteFileW: error %ld\n", GetLastError());
790 #define PATTERN_OFFSET 0x10
792 static void test_offset_in_overlapped_structure(void)
798 BYTE buf
[256], pattern
[] = "TeSt";
800 char temp_path
[MAX_PATH
], temp_fname
[MAX_PATH
];
802 ok(GetTempPathA(MAX_PATH
, temp_path
) != 0, "GetTempPathA error %ld\n", GetLastError());
803 ok(GetTempFileNameA(temp_path
, "pfx", 0, temp_fname
) != 0, "GetTempFileNameA error %ld\n", GetLastError());
805 /*** Write File *****************************************************/
807 hFile
= CreateFileA(temp_fname
, GENERIC_WRITE
, 0, NULL
, CREATE_ALWAYS
, FILE_ATTRIBUTE_NORMAL
, 0);
808 ok(hFile
!= INVALID_HANDLE_VALUE
, "CreateFileA error %ld\n", GetLastError());
810 for(i
= 0; i
< sizeof(buf
); i
++) buf
[i
] = i
;
811 ok(WriteFile(hFile
, buf
, sizeof(buf
), &done
, NULL
), "WriteFile error %ld\n", GetLastError());
812 ok(done
== sizeof(buf
), "expected number of bytes written %lu\n", done
);
814 memset(&ov
, 0, sizeof(ov
));
815 ov
.Offset
= PATTERN_OFFSET
;
817 rc
=WriteFile(hFile
, pattern
, sizeof(pattern
), &done
, &ov
);
818 /* Win 9x does not support the overlapped I/O on files */
819 if (rc
|| GetLastError()!=ERROR_INVALID_PARAMETER
) {
820 ok(rc
, "WriteFile error %ld\n", GetLastError());
821 ok(done
== sizeof(pattern
), "expected number of bytes written %lu\n", done
);
822 /*trace("Current offset = %04lx\n", SetFilePointer(hFile, 0, NULL, FILE_CURRENT));*/
823 ok(SetFilePointer(hFile
, 0, NULL
, FILE_CURRENT
) == (PATTERN_OFFSET
+ sizeof(pattern
)),
824 "expected file offset %d\n", PATTERN_OFFSET
+ sizeof(pattern
));
826 ov
.Offset
= sizeof(buf
) * 2;
828 ok(WriteFile(hFile
, pattern
, sizeof(pattern
), &done
, &ov
), "WriteFile error %ld\n", GetLastError());
829 ok(done
== sizeof(pattern
), "expected number of bytes written %lu\n", done
);
830 /*trace("Current offset = %04lx\n", SetFilePointer(hFile, 0, NULL, FILE_CURRENT));*/
831 ok(SetFilePointer(hFile
, 0, NULL
, FILE_CURRENT
) == (sizeof(buf
) * 2 + sizeof(pattern
)),
832 "expected file offset %d\n", sizeof(buf
) * 2 + sizeof(pattern
));
837 /*** Read File *****************************************************/
839 hFile
= CreateFileA(temp_fname
, GENERIC_READ
, 0, NULL
, OPEN_EXISTING
, 0, 0);
840 ok(hFile
!= INVALID_HANDLE_VALUE
, "CreateFileA error %ld\n", GetLastError());
842 memset(buf
, 0, sizeof(buf
));
843 memset(&ov
, 0, sizeof(ov
));
844 ov
.Offset
= PATTERN_OFFSET
;
846 rc
=ReadFile(hFile
, buf
, sizeof(pattern
), &done
, &ov
);
847 /* Win 9x does not support the overlapped I/O on files */
848 if (rc
|| GetLastError()!=ERROR_INVALID_PARAMETER
) {
849 ok(rc
, "ReadFile error %ld\n", GetLastError());
850 ok(done
== sizeof(pattern
), "expected number of bytes read %lu\n", done
);
851 /*trace("Current offset = %04lx\n", SetFilePointer(hFile, 0, NULL, FILE_CURRENT));*/
852 ok(SetFilePointer(hFile
, 0, NULL
, FILE_CURRENT
) == (PATTERN_OFFSET
+ sizeof(pattern
)),
853 "expected file offset %d\n", PATTERN_OFFSET
+ sizeof(pattern
));
854 ok(!memcmp(buf
, pattern
, sizeof(pattern
)), "pattern match failed\n");
859 ok(DeleteFileA(temp_fname
), "DeleteFileA error %ld\n", GetLastError());
862 static void test_LockFile(void)
866 OVERLAPPED overlapped
;
868 handle
= CreateFileA( filename
, GENERIC_READ
| GENERIC_WRITE
,
869 FILE_SHARE_READ
| FILE_SHARE_WRITE
, NULL
,
870 CREATE_ALWAYS
, 0, 0 );
871 if (handle
== INVALID_HANDLE_VALUE
)
873 ok(0,"couldn't create file \"%s\" (err=%ld)\n",filename
,GetLastError());
876 ok( WriteFile( handle
, sillytext
, strlen(sillytext
), &written
, NULL
), "write failed\n" );
878 ok( LockFile( handle
, 0, 0, 0, 0 ), "LockFile failed\n" );
879 ok( UnlockFile( handle
, 0, 0, 0, 0 ), "UnlockFile failed\n" );
880 ok( !UnlockFile( handle
, 0, 0, 0, 0 ), "UnlockFile succeeded\n" );
882 ok( LockFile( handle
, 10, 0, 20, 0 ), "LockFile 10,20 failed\n" );
883 /* overlapping locks must fail */
884 ok( !LockFile( handle
, 12, 0, 10, 0 ), "LockFile 12,10 succeeded\n" );
885 ok( !LockFile( handle
, 5, 0, 6, 0 ), "LockFile 5,6 succeeded\n" );
886 /* non-overlapping locks must succeed */
887 ok( LockFile( handle
, 5, 0, 5, 0 ), "LockFile 5,5 failed\n" );
889 ok( !UnlockFile( handle
, 10, 0, 10, 0 ), "UnlockFile 10,10 succeeded\n" );
890 ok( UnlockFile( handle
, 10, 0, 20, 0 ), "UnlockFile 10,20 failed\n" );
891 ok( !UnlockFile( handle
, 10, 0, 20, 0 ), "UnlockFile 10,20 again succeeded\n" );
892 ok( UnlockFile( handle
, 5, 0, 5, 0 ), "UnlockFile 5,5 failed\n" );
894 overlapped
.Offset
= 100;
895 overlapped
.OffsetHigh
= 0;
896 overlapped
.hEvent
= 0;
897 ok( LockFileEx( handle
, 0, 0, 100, 0, &overlapped
), "LockFileEx 100,100 failed\n" );
898 /* overlapping shared locks are OK */
899 overlapped
.Offset
= 150;
900 ok( LockFileEx( handle
, 0, 0, 100, 0, &overlapped
), "LockFileEx 150,100 failed\n" );
901 /* but exclusive is not */
902 ok( !LockFileEx( handle
, LOCKFILE_EXCLUSIVE_LOCK
|LOCKFILE_FAIL_IMMEDIATELY
, 0, 50, 0, &overlapped
),
903 "LockFileEx exclusive 150,50 succeeded\n" );
904 ok( UnlockFileEx( handle
, 0, 100, 0, &overlapped
), "UnlockFileEx 150,100 failed\n" );
905 ok( !UnlockFileEx( handle
, 0, 100, 0, &overlapped
), "UnlockFileEx 150,100 again succeeded\n" );
906 overlapped
.Offset
= 100;
907 ok( UnlockFileEx( handle
, 0, 100, 0, &overlapped
), "UnlockFileEx 100,100 failed\n" );
908 ok( !UnlockFileEx( handle
, 0, 100, 0, &overlapped
), "UnlockFileEx 100,100 again succeeded\n" );
910 ok( LockFile( handle
, 0, 0x10000000, 0, 0xf0000000 ), "LockFile failed\n" );
911 ok( !LockFile( handle
, ~0, ~0, 1, 0 ), "LockFile ~0,1 succeeded\n" );
912 ok( !LockFile( handle
, 0, 0x20000000, 20, 0 ), "LockFile 0x20000000,20 succeeded\n" );
913 ok( UnlockFile( handle
, 0, 0x10000000, 0, 0xf0000000 ), "UnlockFile failed\n" );
915 /* wrap-around lock should not do anything */
916 /* (but still succeeds on NT4 so we don't check result) */
917 LockFile( handle
, 0, 0x10000000, 0, 0xf0000001 );
918 ok( LockFile( handle
, ~0, ~0, 1, 0 ), "LockFile ~0,1 failed\n" );
919 ok( UnlockFile( handle
, ~0, ~0, 1, 0 ), "Unlockfile ~0,1 failed\n" );
922 ok( LockFile( handle
, 100, 0, 0, 0 ), "LockFile 100,0 failed\n" );
923 ok( !LockFile( handle
, 98, 0, 4, 0 ), "LockFile 98,4 succeeded\n" );
924 ok( LockFile( handle
, 90, 0, 10, 0 ), "LockFile 90,10 failed\n" );
925 ok( LockFile( handle
, 100, 0, 10, 0 ), "LockFile 100,10 failed\n" );
926 ok( UnlockFile( handle
, 90, 0, 10, 0 ), "UnlockFile 90,10 failed\n" );
927 ok( UnlockFile( handle
, 100, 0, 10, 0 ), "UnlockFile 100,10 failed\n" );
928 ok( UnlockFile( handle
, 100, 0, 0, 0 ), "UnlockFile 100,0 failed\n" );
930 CloseHandle( handle
);
931 DeleteFileA( filename
);
934 static inline int is_sharing_compatible( DWORD access1
, DWORD sharing1
, DWORD access2
, DWORD sharing2
)
936 if (!access1
|| !access2
) return 1;
937 if ((access1
& GENERIC_READ
) && !(sharing2
& FILE_SHARE_READ
)) return 0;
938 if ((access1
& GENERIC_WRITE
) && !(sharing2
& FILE_SHARE_WRITE
)) return 0;
939 if ((access2
& GENERIC_READ
) && !(sharing1
& FILE_SHARE_READ
)) return 0;
940 if ((access2
& GENERIC_WRITE
) && !(sharing1
& FILE_SHARE_WRITE
)) return 0;
944 static void test_file_sharing(void)
946 static const DWORD access_modes
[4] = { 0, GENERIC_READ
, GENERIC_WRITE
, GENERIC_READ
|GENERIC_WRITE
};
947 static const DWORD sharing_modes
[4] = { 0, FILE_SHARE_READ
, FILE_SHARE_WRITE
, FILE_SHARE_READ
|FILE_SHARE_WRITE
};
950 /* make sure the file exists */
951 HANDLE h
= CreateFileA( filename
, GENERIC_READ
|GENERIC_WRITE
, 0, NULL
, CREATE_ALWAYS
, 0, 0 );
954 for (a1
= 0; a1
< 4; a1
++)
956 for (s1
= 0; s1
< 4; s1
++)
958 HANDLE h
= CreateFileA( filename
, access_modes
[a1
], sharing_modes
[s1
],
959 NULL
, OPEN_EXISTING
, 0, 0 );
960 if (h
== INVALID_HANDLE_VALUE
)
962 ok(0,"couldn't create file \"%s\" (err=%ld)\n",filename
,GetLastError());
965 for (a2
= 0; a2
< 4; a2
++)
967 for (s2
= 0; s2
< 4; s2
++)
969 HANDLE h2
= CreateFileA( filename
, access_modes
[a2
], sharing_modes
[s2
],
970 NULL
, OPEN_EXISTING
, 0, 0 );
971 if (is_sharing_compatible( access_modes
[a1
], sharing_modes
[s1
],
972 access_modes
[a2
], sharing_modes
[s2
] ))
974 ok( h2
!= INVALID_HANDLE_VALUE
,
975 "open failed for modes %lx/%lx/%lx/%lx err %ld\n",
976 access_modes
[a1
], sharing_modes
[s1
],
977 access_modes
[a2
], sharing_modes
[s2
], GetLastError() );
981 ok( h2
== INVALID_HANDLE_VALUE
,
982 "open succeeded for modes %lx/%lx/%lx/%lx\n",
983 access_modes
[a1
], sharing_modes
[s1
],
984 access_modes
[a2
], sharing_modes
[s2
] );
985 if (h2
== INVALID_HANDLE_VALUE
)
986 ok( GetLastError() == ERROR_SHARING_VIOLATION
,
987 "wrong error code %ld\n", GetLastError() );
989 if (h2
!= INVALID_HANDLE_VALUE
) CloseHandle( h2
);
995 DeleteFileA( filename
);
998 static void test_FindFirstFileA()
1001 WIN32_FIND_DATAA search_results
;
1004 handle
= FindFirstFileA("C:\\",&search_results
);
1005 err
= GetLastError();
1006 ok ( handle
== INVALID_HANDLE_VALUE
, "FindFirstFile on Root directory should Fail\n");
1007 if (handle
== INVALID_HANDLE_VALUE
)
1008 ok ( err
== ERROR_FILE_NOT_FOUND
, "Bad Error number %d\n", err
);
1009 handle
= FindFirstFileA("C:\\*",&search_results
);
1010 ok ( handle
!= INVALID_HANDLE_VALUE
, "FindFirstFile on C:\\* should succeed\n" );
1011 ok ( FindClose(handle
) == TRUE
, "Failed to close handle\n");
1014 static void test_FindNextFileA()
1017 WIN32_FIND_DATAA search_results
;
1020 handle
= FindFirstFileA("C:\\*",&search_results
);
1021 ok ( handle
!= INVALID_HANDLE_VALUE
, "FindFirstFile on C:\\* should succeed\n" );
1022 while (FindNextFile(handle
, &search_results
))
1024 /* get to the end of the files */
1026 ok ( FindClose(handle
) == TRUE
, "Failed to close handle\n");
1027 err
= GetLastError();
1028 ok ( err
== ERROR_NO_MORE_FILES
, "GetLastError should return ERROR_NO_MORE_FILES\n");
1031 static void test_MapFile()
1033 HANDLE handle
, hmap
;
1035 /* be sure to remove stale files */
1036 SetFileAttributesA(filename
,FILE_ATTRIBUTE_NORMAL
);
1037 DeleteFile(filename
);
1038 handle
= CreateFile( filename
, GENERIC_READ
|GENERIC_WRITE
, 0, 0,
1039 CREATE_ALWAYS
, FILE_ATTRIBUTE_NORMAL
, NULL
);
1040 ok( handle
!= INVALID_HANDLE_VALUE
, "couldn't create test file\n");
1042 hmap
= CreateFileMapping( handle
, NULL
, PAGE_READWRITE
, 0, 0, NULL
);
1043 ok( hmap
== NULL
, "mapped zero size file\n");
1044 ok( GetLastError() == ERROR_FILE_INVALID
, "not ERROR_FILE_INVALID\n");
1046 hmap
= CreateFileMapping( handle
, NULL
, PAGE_READWRITE
, 0x1000, 0, NULL
);
1047 ok( hmap
== NULL
, "mapping should fail\n");
1048 /* GetLastError() varies between win9x and WinNT */
1050 hmap
= CreateFileMapping( handle
, NULL
, PAGE_READWRITE
, 0x1000, 0x10000, NULL
);
1051 ok( hmap
== NULL
, "mapping should fail\n");
1052 /* GetLastError() varies between win9x and WinNT */
1054 hmap
= CreateFileMapping( handle
, NULL
, PAGE_READWRITE
, 0, 0x1000, NULL
);
1055 ok( hmap
!= NULL
, "mapping should succeed\n");
1057 ok( CloseHandle( hmap
), "can't close mapping handle\n");
1058 ok( CloseHandle( handle
), "can't close file handle\n");
1059 ok( DeleteFileA( filename
), "DeleteFile failed after map\n" );
1072 test_GetTempFileNameA();
1081 test_FindFirstFileA();
1082 test_FindNextFileA();
1084 test_file_sharing();
1085 test_offset_in_overlapped_structure();