dlls/kernel32/tests/change.c

   1 /*
   2  * Tests for file change notification functions
   3  *
   4  * Copyright (c) 2004 Hans Leidekker
   5  * Copyright 2006 Mike McCormack for CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 /* TODO: - security attribute changes
  23  *       - compound filter and multiple notifications
  24  *       - subtree notifications
  25  *       - non-documented flags FILE_NOTIFY_CHANGE_LAST_ACCESS and
  26  *         FILE_NOTIFY_CHANGE_CREATION
  27  */
  28
  29 #include <stdarg.h>
  30 #include <stdio.h>
  31
  32 #include "ntstatus.h"
  33 #define WIN32_NO_STATUS
  34 #include "wine/test.h"
  35 #include <windef.h>
  36 #include <winbase.h>
  37 #include <winternl.h>
  38
  39 static DWORD CALLBACK NotificationThread(LPVOID arg)
  40 {
  41     HANDLE change = arg;
  42     BOOL notified = FALSE;
  43     BOOL ret = FALSE;
  44     DWORD status;
  45
  46     status = WaitForSingleObject(change, 100);
  47
  48     if (status == WAIT_OBJECT_0 ) {
  49         notified = TRUE;
  50         FindNextChangeNotification(change);
  51     }
  52
  53     ret = FindCloseChangeNotification(change);
  54     ok( ret, "FindCloseChangeNotification error: %d\n",
  55        GetLastError());
  56
  57     ExitThread((DWORD)notified);
  58 }
  59
  60 static HANDLE StartNotificationThread(LPCSTR path, BOOL subtree, DWORD flags)
  61 {
  62     HANDLE change, thread;
  63     DWORD threadId;
  64
  65     change = FindFirstChangeNotificationA(path, subtree, flags);
  66     ok(change != INVALID_HANDLE_VALUE, "FindFirstChangeNotification error: %d\n", GetLastError());
  67
  68     thread = CreateThread(NULL, 0, NotificationThread, change, 0, &threadId);
  69     ok(thread != NULL, "CreateThread error: %d\n", GetLastError());
  70
  71     return thread;
  72 }
  73
  74 static DWORD FinishNotificationThread(HANDLE thread)
  75 {
  76     DWORD status, exitcode;
  77
  78     status = WaitForSingleObject(thread, 5000);
  79     ok(status == WAIT_OBJECT_0, "WaitForSingleObject status %d error %d\n", status, GetLastError());
  80
  81     ok(GetExitCodeThread(thread, &exitcode), "Could not retrieve thread exit code\n");
  82     CloseHandle(thread);
  83
  84     return exitcode;
  85 }
  86
  87 static void test_FindFirstChangeNotification(void)
  88 {
  89     HANDLE change, file, thread;
  90     DWORD attributes, count;
  91     BOOL ret;
  92
  93     char workdir[MAX_PATH], dirname1[MAX_PATH], dirname2[MAX_PATH];
  94     char filename1[MAX_PATH], filename2[MAX_PATH];
  95     static const char prefix[] = "FCN";
  96     char buffer[2048];
  97
  98     /* pathetic checks */
  99
 100     change = FindFirstChangeNotificationA("not-a-file", FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
 101     ok(change == INVALID_HANDLE_VALUE, "Expected INVALID_HANDLE_VALUE, got %p\n", change);
 102     ok(GetLastError() == ERROR_FILE_NOT_FOUND ||
 103        GetLastError() == ERROR_NO_MORE_FILES, /* win95 */
 104        "FindFirstChangeNotification error: %d\n", GetLastError());
 105
 106     if (0) /* This documents win2k behavior. It crashes on win98. */
 107     {
 108         change = FindFirstChangeNotificationA(NULL, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
 109         ok(change == NULL && GetLastError() == ERROR_PATH_NOT_FOUND,
 110         "FindFirstChangeNotification error: %d\n", GetLastError());
 111     }
 112
 113     ret = FindNextChangeNotification(NULL);
 114     ok(!ret && GetLastError() == ERROR_INVALID_HANDLE, "FindNextChangeNotification error: %d\n",
 115        GetLastError());
 116
 117     ret = FindCloseChangeNotification(NULL);
 118     ok(!ret && GetLastError() == ERROR_INVALID_HANDLE, "FindCloseChangeNotification error: %d\n",
 119        GetLastError());
 120
 121     ret = GetTempPathA(MAX_PATH, workdir);
 122     ok(ret, "GetTempPathA error: %d\n", GetLastError());
 123
 124     lstrcatA(workdir, "testFileChangeNotification");
 125
 126     ret = CreateDirectoryA(workdir, NULL);
 127     ok(ret, "CreateDirectoryA error: %d\n", GetLastError());
 128
 129     ret = GetTempFileNameA(workdir, prefix, 0, filename1);
 130     ok(ret, "GetTempFileNameA error: %d\n", GetLastError());
 131
 132     file = CreateFileA(filename1, GENERIC_WRITE|GENERIC_READ, 0, NULL, CREATE_ALWAYS,
 133                        FILE_ATTRIBUTE_NORMAL, 0);
 134     ok(file != INVALID_HANDLE_VALUE, "CreateFileA error: %d\n", GetLastError());
 135     ret = CloseHandle(file);
 136     ok( ret, "CloseHandle error: %d\n", GetLastError());
 137
 138     /* Try to register notification for a file. win98 and win2k behave differently here */
 139     change = FindFirstChangeNotificationA(filename1, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
 140     ok(change == INVALID_HANDLE_VALUE && (GetLastError() == ERROR_DIRECTORY ||
 141                                           GetLastError() == ERROR_FILE_NOT_FOUND),
 142        "FindFirstChangeNotification error: %d\n", GetLastError());
 143
 144     lstrcpyA(dirname1, filename1);
 145     lstrcatA(dirname1, "dir");
 146
 147     lstrcpyA(dirname2, dirname1);
 148     lstrcatA(dirname2, "new");
 149
 150     ret = CreateDirectoryA(dirname1, NULL);
 151     ok(ret, "CreateDirectoryA error: %d\n", GetLastError());
 152
 153     /* What if we move the directory we registered notification for? */
 154     thread = StartNotificationThread(dirname1, FALSE, FILE_NOTIFY_CHANGE_DIR_NAME);
 155     ret = MoveFileA(dirname1, dirname2);
 156     ok(ret, "MoveFileA error: %d\n", GetLastError());
 157     /* win9x and win2k behave differently here, don't check result */
 158     FinishNotificationThread(thread);
 159
 160     /* What if we remove the directory we registered notification for? */
 161     thread = StartNotificationThread(dirname2, FALSE, FILE_NOTIFY_CHANGE_DIR_NAME);
 162     ret = RemoveDirectoryA(dirname2);
 163     ok(ret, "RemoveDirectoryA error: %d\n", GetLastError());
 164     /* win9x and win2k behave differently here, don't check result */
 165     FinishNotificationThread(thread);
 166
 167     /* functional checks */
 168
 169     /* Create a directory */
 170     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_DIR_NAME);
 171     ret = CreateDirectoryA(dirname1, NULL);
 172     ok(ret, "CreateDirectoryA error: %d\n", GetLastError());
 173     ok(FinishNotificationThread(thread), "Missed notification\n");
 174
 175     /* Rename a directory */
 176     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_DIR_NAME);
 177     ret = MoveFileA(dirname1, dirname2);
 178     ok(ret, "MoveFileA error: %d\n", GetLastError());
 179     ok(FinishNotificationThread(thread), "Missed notification\n");
 180
 181     /* Delete a directory */
 182     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_DIR_NAME);
 183     ret = RemoveDirectoryA(dirname2);
 184     ok(ret, "RemoveDirectoryA error: %d\n", GetLastError());
 185     ok(FinishNotificationThread(thread), "Missed notification\n");
 186
 187     lstrcpyA(filename2, filename1);
 188     lstrcatA(filename2, "new");
 189
 190     /* Rename a file */
 191     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
 192     ret = MoveFileA(filename1, filename2);
 193     ok(ret, "MoveFileA error: %d\n", GetLastError());
 194     ok(FinishNotificationThread(thread), "Missed notification\n");
 195
 196     /* Delete a file */
 197     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
 198     ret = DeleteFileA(filename2);
 199     ok(ret, "DeleteFileA error: %d\n", GetLastError());
 200     ok(FinishNotificationThread(thread), "Missed notification\n");
 201
 202     /* Create a file */
 203     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
 204     file = CreateFileA(filename2, GENERIC_WRITE|GENERIC_READ, 0, NULL, CREATE_ALWAYS,
 205                        FILE_ATTRIBUTE_NORMAL, 0);
 206     ok(file != INVALID_HANDLE_VALUE, "CreateFileA error: %d\n", GetLastError());
 207     ret = CloseHandle(file);
 208     ok( ret, "CloseHandle error: %d\n", GetLastError());
 209     ok(FinishNotificationThread(thread), "Missed notification\n");
 210
 211     attributes = GetFileAttributesA(filename2);
 212     ok(attributes != INVALID_FILE_ATTRIBUTES, "GetFileAttributesA error: %d\n", GetLastError());
 213     attributes &= FILE_ATTRIBUTE_READONLY;
 214
 215     /* Change file attributes */
 216     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_ATTRIBUTES);
 217     ret = SetFileAttributesA(filename2, attributes);
 218     ok(ret, "SetFileAttributesA error: %d\n", GetLastError());
 219     ok(FinishNotificationThread(thread), "Missed notification\n");
 220
 221     /* Change last write time by writing to a file */
 222     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_LAST_WRITE);
 223     file = CreateFileA(filename2, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 224                        FILE_ATTRIBUTE_NORMAL, 0);
 225     ok(file != INVALID_HANDLE_VALUE, "CreateFileA error: %d\n", GetLastError());
 226     memset(buffer, 0, sizeof(buffer));
 227     ret = WriteFile(file, buffer, sizeof(buffer), &count, NULL);
 228     ok(ret && count == sizeof(buffer), "WriteFile error: %d\n", GetLastError());
 229     ret = CloseHandle(file);
 230     ok( ret, "CloseHandle error: %d\n", GetLastError());
 231     ok(FinishNotificationThread(thread), "Missed notification\n");
 232
 233     /* Change file size by truncating a file */
 234     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_SIZE);
 235     file = CreateFileA(filename2, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 236                        FILE_ATTRIBUTE_NORMAL, 0);
 237     ok(file != INVALID_HANDLE_VALUE, "CreateFileA error: %d\n", GetLastError());
 238     ret = WriteFile(file, buffer, sizeof(buffer) / 2, &count, NULL);
 239     ok(ret && count == sizeof(buffer) / 2, "WriteFileA error: %d\n", GetLastError());
 240     ret = CloseHandle(file);
 241     ok( ret, "CloseHandle error: %d\n", GetLastError());
 242     ok(FinishNotificationThread(thread), "Missed notification\n");
 243
 244     /* clean up */
 245
 246     ret = DeleteFileA(filename2);
 247     ok(ret, "DeleteFileA error: %d\n", GetLastError());
 248
 249     ret = RemoveDirectoryA(workdir);
 250     ok(ret, "RemoveDirectoryA error: %d\n", GetLastError());
 251 }
 252
 253 /* this test concentrates more on the wait behaviour of the handle */
 254 static void test_ffcn(void)
 255 {
 256     DWORD filter;
 257     HANDLE handle;
 258     LONG r;
 259     WCHAR path[MAX_PATH], subdir[MAX_PATH];
 260     static const WCHAR szBoo[] = { '\\','b','o','o',0 };
 261     static const WCHAR szHoo[] = { '\\','h','o','o',0 };
 262
 263     SetLastError(0xdeadbeef);
 264     r = GetTempPathW( MAX_PATH, path );
 265     if (!r && (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED))
 266     {
 267         win_skip("GetTempPathW is not implemented\n");
 268         return;
 269     }
 270     ok( r != 0, "temp path failed\n");
 271     if (!r)
 272         return;
 273
 274     lstrcatW( path, szBoo );
 275     lstrcpyW( subdir, path );
 276     lstrcatW( subdir, szHoo );
 277
 278     RemoveDirectoryW( subdir );
 279     RemoveDirectoryW( path );
 280
 281     r = CreateDirectoryW(path, NULL);
 282     ok( r == TRUE, "failed to create directory\n");
 283
 284     filter = FILE_NOTIFY_CHANGE_FILE_NAME;
 285     filter |= FILE_NOTIFY_CHANGE_DIR_NAME;
 286
 287     handle = FindFirstChangeNotificationW( path, 1, filter);
 288     ok( handle != INVALID_HANDLE_VALUE, "invalid handle\n");
 289
 290     r = WaitForSingleObject( handle, 0 );
 291     ok( r == STATUS_TIMEOUT, "should time out\n");
 292
 293     r = CreateDirectoryW( subdir, NULL );
 294     ok( r == TRUE, "failed to create subdir\n");
 295
 296     r = WaitForSingleObject( handle, 0 );
 297     ok( r == WAIT_OBJECT_0, "should be ready\n");
 298
 299     r = WaitForSingleObject( handle, 0 );
 300     ok( r == WAIT_OBJECT_0, "should be ready\n");
 301
 302     r = FindNextChangeNotification(handle);
 303     ok( r == TRUE, "find next failed\n");
 304
 305     r = WaitForSingleObject( handle, 0 );
 306     ok( r == STATUS_TIMEOUT, "should time out\n");
 307
 308     r = RemoveDirectoryW( subdir );
 309     ok( r == TRUE, "failed to remove subdir\n");
 310
 311     r = WaitForSingleObject( handle, 0 );
 312     ok( r == WAIT_OBJECT_0, "should be ready\n");
 313
 314     r = WaitForSingleObject( handle, 0 );
 315     ok( r == WAIT_OBJECT_0, "should be ready\n");
 316
 317     r = FindNextChangeNotification(handle);
 318     ok( r == TRUE, "find next failed\n");
 319
 320     r = FindNextChangeNotification(handle);
 321     ok( r == TRUE, "find next failed\n");
 322
 323     r = FindCloseChangeNotification(handle);
 324     ok( r == TRUE, "should succeed\n");
 325
 326     r = RemoveDirectoryW( path );
 327     ok( r == TRUE, "failed to remove dir\n");
 328 }
 329
 330 /* this test concentrates on the wait behavior when multiple threads are
 331  * waiting on a change notification handle. */
 332 static void test_ffcnMultipleThreads(void)
 333 {
 334     LONG r;
 335     DWORD filter, threadId, status, exitcode;
 336     HANDLE handles[2];
 337     char path[MAX_PATH];
 338
 339     r = GetTempPathA(MAX_PATH, path);
 340     ok(r, "GetTempPathA error: %d\n", GetLastError());
 341
 342     lstrcatA(path, "ffcnTestMultipleThreads");
 343
 344     RemoveDirectoryA(path);
 345
 346     r = CreateDirectoryA(path, NULL);
 347     ok(r, "CreateDirectoryA error: %d\n", GetLastError());
 348
 349     filter = FILE_NOTIFY_CHANGE_FILE_NAME;
 350     filter |= FILE_NOTIFY_CHANGE_DIR_NAME;
 351
 352     handles[0] = FindFirstChangeNotificationA(path, FALSE, filter);
 353     ok(handles[0] != INVALID_HANDLE_VALUE, "FindFirstChangeNotification error: %d\n", GetLastError());
 354
 355     /* Test behavior if a waiting thread holds the last reference to a change
 356      * directory object with an empty wine user APC queue for this thread (bug #7286) */
 357
 358     /* Create our notification thread */
 359     handles[1] = CreateThread(NULL, 0, NotificationThread, handles[0], 0,
 360                               &threadId);
 361     ok(handles[1] != NULL, "CreateThread error: %d\n", GetLastError());
 362
 363     status = WaitForMultipleObjects(2, handles, FALSE, 5000);
 364     ok(status == WAIT_OBJECT_0 || status == WAIT_OBJECT_0+1, "WaitForMultipleObjects status %d error %d\n", status, GetLastError());
 365     ok(GetExitCodeThread(handles[1], &exitcode), "Could not retrieve thread exit code\n");
 366
 367     /* Clean up */
 368     r = RemoveDirectoryA( path );
 369     ok( r == TRUE, "failed to remove dir\n");
 370 }
 371
 372 static BOOL (WINAPI *pReadDirectoryChangesW)(HANDLE,LPVOID,DWORD,BOOL,DWORD,
 373                          LPDWORD,LPOVERLAPPED,LPOVERLAPPED_COMPLETION_ROUTINE);
 374
 375 static void test_readdirectorychanges(void)
 376 {
 377     HANDLE hdir;
 378     char buffer[0x1000];
 379     DWORD fflags, filter = 0, r, dwCount;
 380     OVERLAPPED ov;
 381     WCHAR path[MAX_PATH], subdir[MAX_PATH], subsubdir[MAX_PATH];
 382     static const WCHAR szBoo[] = { '\\','b','o','o',0 };
 383     static const WCHAR szHoo[] = { '\\','h','o','o',0 };
 384     static const WCHAR szGa[] = { '\\','h','o','o','\\','g','a',0 };
 385     PFILE_NOTIFY_INFORMATION pfni;
 386
 387     if (!pReadDirectoryChangesW)
 388     {
 389         win_skip("ReadDirectoryChangesW is not available\n");
 390         return;
 391     }
 392
 393     SetLastError(0xdeadbeef);
 394     r = GetTempPathW( MAX_PATH, path );
 395     if (!r && (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED))
 396     {
 397         win_skip("GetTempPathW is not implemented\n");
 398         return;
 399     }
 400     ok( r != 0, "temp path failed\n");
 401     if (!r)
 402         return;
 403
 404     lstrcatW( path, szBoo );
 405     lstrcpyW( subdir, path );
 406     lstrcatW( subdir, szHoo );
 407
 408     lstrcpyW( subsubdir, path );
 409     lstrcatW( subsubdir, szGa );
 410
 411     RemoveDirectoryW( subsubdir );
 412     RemoveDirectoryW( subdir );
 413     RemoveDirectoryW( path );
 414
 415     r = CreateDirectoryW(path, NULL);
 416     ok( r == TRUE, "failed to create directory\n");
 417
 418     SetLastError(0xd0b00b00);
 419     r = pReadDirectoryChangesW(NULL,NULL,0,FALSE,0,NULL,NULL,NULL);
 420     ok(GetLastError()==ERROR_INVALID_PARAMETER,"last error wrong\n");
 421     ok(r==FALSE, "should return false\n");
 422
 423     fflags = FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED;
 424     hdir = CreateFileW(path, GENERIC_READ|SYNCHRONIZE|FILE_LIST_DIRECTORY,
 425                         FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
 426                         OPEN_EXISTING, fflags, NULL);
 427     ok( hdir != INVALID_HANDLE_VALUE, "failed to open directory\n");
 428
 429     ov.hEvent = CreateEventW( NULL, 1, 0, NULL );
 430
 431     SetLastError(0xd0b00b00);
 432     r = pReadDirectoryChangesW(hdir,NULL,0,FALSE,0,NULL,NULL,NULL);
 433     ok(GetLastError()==ERROR_INVALID_PARAMETER,"last error wrong\n");
 434     ok(r==FALSE, "should return false\n");
 435
 436     SetLastError(0xd0b00b00);
 437     r = pReadDirectoryChangesW(hdir,NULL,0,FALSE,0,NULL,&ov,NULL);
 438     ok(GetLastError()==ERROR_INVALID_PARAMETER,"last error wrong\n");
 439     ok(r==FALSE, "should return false\n");
 440
 441     filter = FILE_NOTIFY_CHANGE_FILE_NAME;
 442     filter |= FILE_NOTIFY_CHANGE_DIR_NAME;
 443     filter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
 444     filter |= FILE_NOTIFY_CHANGE_SIZE;
 445     filter |= FILE_NOTIFY_CHANGE_LAST_WRITE;
 446     filter |= FILE_NOTIFY_CHANGE_LAST_ACCESS;
 447     filter |= FILE_NOTIFY_CHANGE_CREATION;
 448     filter |= FILE_NOTIFY_CHANGE_SECURITY;
 449
 450     SetLastError(0xd0b00b00);
 451     ov.Internal = 0;
 452     ov.InternalHigh = 0;
 453     memset( buffer, 0, sizeof buffer );
 454
 455     r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,-1,NULL,&ov,NULL);
 456     ok(GetLastError()==ERROR_INVALID_PARAMETER,"last error wrong\n");
 457     ok(r==FALSE, "should return false\n");
 458
 459     r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,0,NULL,&ov,NULL);
 460     ok(GetLastError()==ERROR_INVALID_PARAMETER,"last error wrong\n");
 461     ok(r==FALSE, "should return false\n");
 462
 463     r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,TRUE,filter,NULL,&ov,NULL);
 464     ok(r==TRUE, "should return true\n");
 465
 466     r = WaitForSingleObject( ov.hEvent, 10 );
 467     ok( r == STATUS_TIMEOUT, "should timeout\n" );
 468
 469     r = CreateDirectoryW( subdir, NULL );
 470     ok( r == TRUE, "failed to create directory\n");
 471
 472     r = WaitForSingleObject( ov.hEvent, 1000 );
 473     ok( r == WAIT_OBJECT_0, "event should be ready\n" );
 474
 475     ok( (NTSTATUS)ov.Internal == STATUS_SUCCESS, "ov.Internal wrong\n");
 476     ok( ov.InternalHigh == 0x12, "ov.InternalHigh wrong\n");
 477
 478     pfni = (PFILE_NOTIFY_INFORMATION) buffer;
 479     ok( pfni->NextEntryOffset == 0, "offset wrong\n" );
 480     ok( pfni->Action == FILE_ACTION_ADDED, "action wrong\n" );
 481     ok( pfni->FileNameLength == 6, "len wrong\n" );
 482     ok( !memcmp(pfni->FileName,&szHoo[1],6), "name wrong\n" );
 483
 484     ResetEvent(ov.hEvent);
 485     SetLastError(0xd0b00b00);
 486     r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,0,NULL,NULL,NULL);
 487     ok(GetLastError()==ERROR_INVALID_PARAMETER,"last error wrong\n");
 488     ok(r==FALSE, "should return false\n");
 489
 490     r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,0,NULL,&ov,NULL);
 491     ok(GetLastError()==ERROR_INVALID_PARAMETER,"last error wrong\n");
 492     ok(r==FALSE, "should return false\n");
 493
 494     filter = FILE_NOTIFY_CHANGE_SIZE;
 495
 496     SetEvent(ov.hEvent);
 497     ov.Internal = 1;
 498     ov.InternalHigh = 1;
 499     S(U(ov)).Offset = 0;
 500     S(U(ov)).OffsetHigh = 0;
 501     memset( buffer, 0, sizeof buffer );
 502     r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,filter,NULL,&ov,NULL);
 503     ok(r==TRUE, "should return true\n");
 504
 505     ok( (NTSTATUS)ov.Internal == STATUS_PENDING, "ov.Internal wrong\n");
 506     ok( ov.InternalHigh == 1, "ov.InternalHigh wrong\n");
 507
 508     r = WaitForSingleObject( ov.hEvent, 0 );
 509     ok( r == STATUS_TIMEOUT, "should timeout\n" );
 510
 511     r = RemoveDirectoryW( subdir );
 512     ok( r == TRUE, "failed to remove directory\n");
 513
 514     r = WaitForSingleObject( ov.hEvent, 1000 );
 515     ok( r == WAIT_OBJECT_0, "should be ready\n" );
 516
 517     ok( (NTSTATUS)ov.Internal == STATUS_SUCCESS, "ov.Internal wrong\n");
 518     ok( ov.InternalHigh == 0x12, "ov.InternalHigh wrong\n");
 519
 520     if ((NTSTATUS)ov.Internal == STATUS_SUCCESS)
 521     {
 522         r = GetOverlappedResult( hdir, &ov, &dwCount, TRUE );
 523         ok( r == TRUE, "getoverlappedresult failed\n");
 524         ok( dwCount == 0x12, "count wrong\n");
 525     }
 526
 527     pfni = (PFILE_NOTIFY_INFORMATION) buffer;
 528     ok( pfni->NextEntryOffset == 0, "offset wrong\n" );
 529     ok( pfni->Action == FILE_ACTION_REMOVED, "action wrong\n" );
 530     ok( pfni->FileNameLength == 6, "len wrong\n" );
 531     ok( !memcmp(pfni->FileName,&szHoo[1],6), "name wrong\n" );
 532
 533     /* what happens if the buffer is too small? */
 534     r = pReadDirectoryChangesW(hdir,buffer,0x10,FALSE,filter,NULL,&ov,NULL);
 535     ok(r==TRUE, "should return true\n");
 536
 537     r = CreateDirectoryW( subdir, NULL );
 538     ok( r == TRUE, "failed to create directory\n");
 539
 540     r = WaitForSingleObject( ov.hEvent, 1000 );
 541     ok( r == WAIT_OBJECT_0, "should be ready\n" );
 542
 543     ok( (NTSTATUS)ov.Internal == STATUS_NOTIFY_ENUM_DIR, "ov.Internal wrong\n");
 544     ok( ov.InternalHigh == 0, "ov.InternalHigh wrong\n");
 545
 546     /* test the recursive watch */
 547     r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,filter,NULL,&ov,NULL);
 548     ok(r==TRUE, "should return true\n");
 549
 550     r = CreateDirectoryW( subsubdir, NULL );
 551     ok( r == TRUE, "failed to create directory\n");
 552
 553     r = WaitForSingleObject( ov.hEvent, 1000 );
 554     ok( r == WAIT_OBJECT_0, "should be ready\n" );
 555
 556     ok( (NTSTATUS)ov.Internal == STATUS_SUCCESS, "ov.Internal wrong\n");
 557     ok( ov.InternalHigh == 0x18 || ov.InternalHigh == 0x12 + 0x18,
 558         "ov.InternalHigh wrong %lx\n", ov.InternalHigh);
 559
 560     pfni = (PFILE_NOTIFY_INFORMATION) buffer;
 561     if (pfni->NextEntryOffset)  /* we may get a modified event on the parent dir */
 562     {
 563         ok( pfni->NextEntryOffset == 0x12, "offset wrong %x\n", pfni->NextEntryOffset );
 564         ok( pfni->Action == FILE_ACTION_MODIFIED, "action wrong %d\n", pfni->Action );
 565         ok( pfni->FileNameLength == 3*sizeof(WCHAR), "len wrong\n" );
 566         ok( !memcmp(pfni->FileName,&szGa[1],3*sizeof(WCHAR)), "name wrong\n");
 567         pfni = (PFILE_NOTIFY_INFORMATION)((char *)pfni + pfni->NextEntryOffset);
 568     }
 569     ok( pfni->NextEntryOffset == 0, "offset wrong\n" );
 570     ok( pfni->Action == FILE_ACTION_ADDED, "action wrong\n" );
 571     ok( pfni->FileNameLength == 6*sizeof(WCHAR), "len wrong\n" );
 572     ok( !memcmp(pfni->FileName,&szGa[1],6*sizeof(WCHAR)), "name wrong\n" );
 573
 574     r = RemoveDirectoryW( subsubdir );
 575     ok( r == TRUE, "failed to remove directory\n");
 576
 577     ov.Internal = 1;
 578     ov.InternalHigh = 1;
 579     r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,filter,NULL,&ov,NULL);
 580     ok(r==TRUE, "should return true\n");
 581
 582     r = RemoveDirectoryW( subdir );
 583     ok( r == TRUE, "failed to remove directory\n");
 584
 585     r = WaitForSingleObject( ov.hEvent, 1000 );
 586     ok( r == WAIT_OBJECT_0, "should be ready\n" );
 587
 588     pfni = (PFILE_NOTIFY_INFORMATION) buffer;
 589     /* we may get a notification for the parent dir too */
 590     if (pfni->Action == FILE_ACTION_MODIFIED && pfni->NextEntryOffset)
 591     {
 592         ok( pfni->FileNameLength == 3*sizeof(WCHAR), "len wrong %u\n", pfni->FileNameLength );
 593         ok( !memcmp(pfni->FileName,&szGa[1],3*sizeof(WCHAR)), "name wrong\n" );
 594         pfni = (PFILE_NOTIFY_INFORMATION)((char *)pfni + pfni->NextEntryOffset);
 595     }
 596     ok( pfni->NextEntryOffset == 0, "offset wrong %u\n", pfni->NextEntryOffset );
 597     ok( pfni->Action == FILE_ACTION_REMOVED, "action wrong %u\n", pfni->Action );
 598     ok( pfni->FileNameLength == 6*sizeof(WCHAR), "len wrong %u\n", pfni->FileNameLength );
 599     ok( !memcmp(pfni->FileName,&szGa[1],6*sizeof(WCHAR)), "name wrong\n" );
 600
 601     ok( (NTSTATUS)ov.Internal == STATUS_SUCCESS, "ov.Internal wrong\n");
 602     dwCount = (char *)&pfni->FileName[pfni->FileNameLength/sizeof(WCHAR)] - buffer;
 603     ok( ov.InternalHigh == dwCount, "ov.InternalHigh wrong %lu/%u\n",ov.InternalHigh, dwCount );
 604
 605     CloseHandle(hdir);
 606
 607     r = RemoveDirectoryW( path );
 608     ok( r == TRUE, "failed to remove directory\n");
 609 }
 610
 611 /* show the behaviour when a null buffer is passed */
 612 static void test_readdirectorychanges_null(void)
 613 {
 614     NTSTATUS r;
 615     HANDLE hdir;
 616     char buffer[0x1000];
 617     DWORD fflags, filter = 0;
 618     OVERLAPPED ov;
 619     WCHAR path[MAX_PATH], subdir[MAX_PATH];
 620     static const WCHAR szBoo[] = { '\\','b','o','o',0 };
 621     static const WCHAR szHoo[] = { '\\','h','o','o',0 };
 622     PFILE_NOTIFY_INFORMATION pfni;
 623
 624     if (!pReadDirectoryChangesW)
 625     {
 626         win_skip("ReadDirectoryChangesW is not available\n");
 627         return;
 628     }
 629     SetLastError(0xdeadbeef);
 630     r = GetTempPathW( MAX_PATH, path );
 631     if (!r && (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED))
 632     {
 633         win_skip("GetTempPathW is not implemented\n");
 634         return;
 635     }
 636     ok( r != 0, "temp path failed\n");
 637     if (!r)
 638         return;
 639
 640     lstrcatW( path, szBoo );
 641     lstrcpyW( subdir, path );
 642     lstrcatW( subdir, szHoo );
 643
 644     RemoveDirectoryW( subdir );
 645     RemoveDirectoryW( path );
 646
 647     r = CreateDirectoryW(path, NULL);
 648     ok( r == TRUE, "failed to create directory\n");
 649
 650     fflags = FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED;
 651     hdir = CreateFileW(path, GENERIC_READ|SYNCHRONIZE|FILE_LIST_DIRECTORY,
 652                         FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
 653                         OPEN_EXISTING, fflags, NULL);
 654     ok( hdir != INVALID_HANDLE_VALUE, "failed to open directory\n");
 655
 656     ov.hEvent = CreateEventW( NULL, 1, 0, NULL );
 657
 658     filter = FILE_NOTIFY_CHANGE_FILE_NAME;
 659     filter |= FILE_NOTIFY_CHANGE_DIR_NAME;
 660
 661     SetLastError(0xd0b00b00);
 662     ov.Internal = 0;
 663     ov.InternalHigh = 0;
 664     memset( buffer, 0, sizeof buffer );
 665
 666     r = pReadDirectoryChangesW(hdir,NULL,0,FALSE,filter,NULL,&ov,NULL);
 667     ok(r==TRUE, "should return true\n");
 668
 669     r = WaitForSingleObject( ov.hEvent, 0 );
 670     ok( r == STATUS_TIMEOUT, "should timeout\n" );
 671
 672     r = CreateDirectoryW( subdir, NULL );
 673     ok( r == TRUE, "failed to create directory\n");
 674
 675     r = WaitForSingleObject( ov.hEvent, 0 );
 676     ok( r == WAIT_OBJECT_0, "event should be ready\n" );
 677
 678     ok( (NTSTATUS)ov.Internal == STATUS_NOTIFY_ENUM_DIR, "ov.Internal wrong\n");
 679     ok( ov.InternalHigh == 0, "ov.InternalHigh wrong\n");
 680
 681     ov.Internal = 0;
 682     ov.InternalHigh = 0;
 683     S(U(ov)).Offset = 0;
 684     S(U(ov)).OffsetHigh = 0;
 685     memset( buffer, 0, sizeof buffer );
 686
 687     r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,FALSE,filter,NULL,&ov,NULL);
 688     ok(r==TRUE, "should return true\n");
 689
 690     r = WaitForSingleObject( ov.hEvent, 0 );
 691     ok( r == STATUS_TIMEOUT, "should timeout\n" );
 692
 693     r = RemoveDirectoryW( subdir );
 694     ok( r == TRUE, "failed to remove directory\n");
 695
 696     r = WaitForSingleObject( ov.hEvent, 1000 );
 697     ok( r == WAIT_OBJECT_0, "should be ready\n" );
 698
 699     ok( (NTSTATUS)ov.Internal == STATUS_NOTIFY_ENUM_DIR, "ov.Internal wrong\n");
 700     ok( ov.InternalHigh == 0, "ov.InternalHigh wrong\n");
 701
 702     pfni = (PFILE_NOTIFY_INFORMATION) buffer;
 703     ok( pfni->NextEntryOffset == 0, "offset wrong\n" );
 704
 705     CloseHandle(hdir);
 706
 707     r = RemoveDirectoryW( path );
 708     ok( r == TRUE, "failed to remove directory\n");
 709 }
 710
 711 static void test_readdirectorychanges_filedir(void)
 712 {
 713     NTSTATUS r;
 714     HANDLE hdir, hfile;
 715     char buffer[0x1000];
 716     DWORD fflags, filter = 0;
 717     OVERLAPPED ov;
 718     WCHAR path[MAX_PATH], subdir[MAX_PATH], file[MAX_PATH];
 719     static const WCHAR szBoo[] = { '\\','b','o','o',0 };
 720     static const WCHAR szHoo[] = { '\\','h','o','o',0 };
 721     static const WCHAR szFoo[] = { '\\','f','o','o',0 };
 722     PFILE_NOTIFY_INFORMATION pfni;
 723
 724     SetLastError(0xdeadbeef);
 725     r = GetTempPathW( MAX_PATH, path );
 726     if (!r && (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED))
 727     {
 728         win_skip("GetTempPathW is not implemented\n");
 729         return;
 730     }
 731     ok( r != 0, "temp path failed\n");
 732     if (!r)
 733         return;
 734
 735     lstrcatW( path, szBoo );
 736     lstrcpyW( subdir, path );
 737     lstrcatW( subdir, szHoo );
 738
 739     lstrcpyW( file, path );
 740     lstrcatW( file, szFoo );
 741
 742     DeleteFileW( file );
 743     RemoveDirectoryW( subdir );
 744     RemoveDirectoryW( path );
 745
 746     r = CreateDirectoryW(path, NULL);
 747     ok( r == TRUE, "failed to create directory\n");
 748
 749     fflags = FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED;
 750     hdir = CreateFileW(path, GENERIC_READ|SYNCHRONIZE|FILE_LIST_DIRECTORY,
 751                         FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
 752                         OPEN_EXISTING, fflags, NULL);
 753     ok( hdir != INVALID_HANDLE_VALUE, "failed to open directory\n");
 754
 755     ov.hEvent = CreateEventW( NULL, 0, 0, NULL );
 756
 757     filter = FILE_NOTIFY_CHANGE_FILE_NAME;
 758
 759     r = pReadDirectoryChangesW(hdir,buffer,sizeof buffer,TRUE,filter,NULL,&ov,NULL);
 760     ok(r==TRUE, "should return true\n");
 761
 762     r = WaitForSingleObject( ov.hEvent, 10 );
 763     ok( r == WAIT_TIMEOUT, "should timeout\n" );
 764
 765     r = CreateDirectoryW( subdir, NULL );
 766     ok( r == TRUE, "failed to create directory\n");
 767
 768     hfile = CreateFileW( file, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL );
 769     ok( hfile != INVALID_HANDLE_VALUE, "failed to create file\n");
 770     ok( CloseHandle(hfile), "failed to close file\n");
 771
 772     r = WaitForSingleObject( ov.hEvent, 1000 );
 773     ok( r == WAIT_OBJECT_0, "event should be ready\n" );
 774
 775     ok( (NTSTATUS)ov.Internal == STATUS_SUCCESS, "ov.Internal wrong\n");
 776     ok( ov.InternalHigh == 0x12, "ov.InternalHigh wrong\n");
 777
 778     pfni = (PFILE_NOTIFY_INFORMATION) buffer;
 779     ok( pfni->NextEntryOffset == 0, "offset wrong\n" );
 780     ok( pfni->Action == FILE_ACTION_ADDED, "action wrong\n" );
 781     ok( pfni->FileNameLength == 6, "len wrong\n" );
 782     ok( !memcmp(pfni->FileName,&szFoo[1],6), "name wrong\n" );
 783
 784     r = DeleteFileW( file );
 785     ok( r == TRUE, "failed to delete file\n");
 786
 787     r = RemoveDirectoryW( subdir );
 788     ok( r == TRUE, "failed to remove directory\n");
 789
 790     CloseHandle(hdir);
 791
 792     r = RemoveDirectoryW( path );
 793     ok( r == TRUE, "failed to remove directory\n");
 794 }
 795
 796 static void CALLBACK readdirectorychanges_cr(DWORD error, DWORD len, LPOVERLAPPED ov)
 797 {
 798     ok(error == 0, "ReadDirectoryChangesW error %d\n", error);
 799     ok(ov->hEvent == (void*)0xdeadbeef, "hEvent should not have changed\n");
 800 }
 801
 802 static void test_readdirectorychanges_cr(void)
 803 {
 804     static const WCHAR szBoo[] = { '\\','b','o','o','\\',0 };
 805     static const WCHAR szDir[] = { 'd','i','r',0 };
 806     static const WCHAR szFile[] = { 'f','i','l','e',0 };
 807     static const WCHAR szBackslash[] = { '\\',0 };
 808
 809     WCHAR path[MAX_PATH], file[MAX_PATH], dir[MAX_PATH], sub_file[MAX_PATH];
 810     FILE_NOTIFY_INFORMATION fni[1024], *fni_next;
 811     OVERLAPPED ov;
 812     HANDLE hdir, hfile;
 813     NTSTATUS r;
 814
 815     if (!pReadDirectoryChangesW)
 816     {
 817         win_skip("ReadDirectoryChangesW is not available\n");
 818         return;
 819     }
 820
 821     SetLastError(0xdeadbeef);
 822     r = GetTempPathW(MAX_PATH, path);
 823     if (!r && (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED))
 824     {
 825         win_skip("GetTempPathW is not implemented\n");
 826         return;
 827     }
 828     ok(r != 0, "temp path failed\n");
 829     if (!r)
 830         return;
 831
 832     lstrcatW(path, szBoo);
 833     lstrcpyW(dir, path);
 834     lstrcatW(dir, szDir);
 835     lstrcpyW(file, path);
 836     lstrcatW(file, szFile);
 837     lstrcpyW(sub_file, dir);
 838     lstrcatW(sub_file, szBackslash);
 839     lstrcatW(sub_file, szFile);
 840
 841     DeleteFileW(file);
 842     RemoveDirectoryW(dir);
 843     RemoveDirectoryW(path);
 844
 845     r = CreateDirectoryW(path, NULL);
 846     ok(r == TRUE, "failed to create directory\n");
 847
 848     hdir = CreateFileW(path, GENERIC_READ,
 849             FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, NULL, OPEN_EXISTING,
 850             FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED, NULL);
 851     ok(hdir != INVALID_HANDLE_VALUE, "failed to open directory\n");
 852
 853     memset(&ov, 0, sizeof(ov));
 854     ov.hEvent = (void*)0xdeadbeef;
 855     r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
 856             FILE_NOTIFY_CHANGE_FILE_NAME, NULL, &ov, readdirectorychanges_cr);
 857     ok(r == TRUE, "pReadDirectoryChangesW failed\n");
 858
 859     hfile = CreateFileW(file, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL);
 860     ok(hfile != INVALID_HANDLE_VALUE, "failed to create file\n");
 861     CloseHandle(hfile);
 862
 863     r = SleepEx(1000, TRUE);
 864     ok(r != 0, "failed to receive file creation event\n");
 865     ok(fni->NextEntryOffset == 0, "there should be no more events in buffer\n");
 866     ok(fni->Action == FILE_ACTION_ADDED, "Action = %d\n", fni->Action);
 867     ok(fni->FileNameLength == lstrlenW(szFile)*sizeof(WCHAR),
 868             "FileNameLength = %d\n", fni->FileNameLength);
 869     ok(!memcmp(fni->FileName, szFile, lstrlenW(szFile)*sizeof(WCHAR)),
 870             "FileName = %s\n", wine_dbgstr_wn(fni->FileName, fni->FileNameLength/sizeof(WCHAR)));
 871
 872     r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
 873             FILE_NOTIFY_CHANGE_FILE_NAME, NULL, &ov, readdirectorychanges_cr);
 874     ok(r == TRUE, "pReadDirectoryChangesW failed\n");
 875
 876     /* This event will not be reported */
 877     r = CreateDirectoryW(dir, NULL);
 878     ok(r == TRUE, "failed to create directory\n");
 879
 880     r = MoveFileW(file, sub_file);
 881     ok(r == TRUE, "failed to move file\n");
 882
 883     r = SleepEx(1000, TRUE);
 884     ok(r != 0, "failed to receive file move event\n");
 885     ok(fni->NextEntryOffset == 0, "there should be no more events in buffer\n");
 886     ok(fni->Action == FILE_ACTION_REMOVED, "Action = %d\n", fni->Action);
 887     ok(fni->FileNameLength == lstrlenW(szFile)*sizeof(WCHAR),
 888             "FileNameLength = %d\n", fni->FileNameLength);
 889     ok(!memcmp(fni->FileName, szFile, lstrlenW(szFile)*sizeof(WCHAR)),
 890             "FileName = %s\n", wine_dbgstr_wn(fni->FileName, fni->FileNameLength/sizeof(WCHAR)));
 891
 892     r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
 893             FILE_NOTIFY_CHANGE_FILE_NAME, NULL, &ov, readdirectorychanges_cr);
 894     ok(r == TRUE, "pReadDirectoryChangesW failed\n");
 895
 896     r = MoveFileW(sub_file, file);
 897     ok(r == TRUE, "failed to move file\n");
 898
 899     r = SleepEx(1000, TRUE);
 900     ok(r != 0, "failed to receive file move event\n");
 901     ok(fni->NextEntryOffset == 0, "there should be no more events in buffer\n");
 902     ok(fni->Action == FILE_ACTION_ADDED, "Action = %d\n", fni->Action);
 903     ok(fni->FileNameLength == lstrlenW(szFile)*sizeof(WCHAR),
 904             "FileNameLength = %d\n", fni->FileNameLength);
 905     ok(!memcmp(fni->FileName, szFile, lstrlenW(szFile)*sizeof(WCHAR)),
 906             "FileName = %s\n", wine_dbgstr_wn(fni->FileName, fni->FileNameLength/sizeof(WCHAR)));
 907
 908     r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
 909             FILE_NOTIFY_CHANGE_FILE_NAME, NULL, &ov, readdirectorychanges_cr);
 910     ok(r == TRUE, "pReadDirectoryChangesW failed\n");
 911
 912     r = DeleteFileW(file);
 913     ok(r == TRUE, "failed to delete file\n");
 914
 915     r = SleepEx(1000, TRUE);
 916     ok(r != 0, "failed to receive file removal event\n");
 917     ok(fni->NextEntryOffset == 0, "there should be no more events in buffer\n");
 918     ok(fni->Action == FILE_ACTION_REMOVED, "Action = %d\n", fni->Action);
 919     ok(fni->FileNameLength == lstrlenW(szFile)*sizeof(WCHAR),
 920             "FileNameLength = %d\n", fni->FileNameLength);
 921     ok(!memcmp(fni->FileName, szFile, lstrlenW(szFile)*sizeof(WCHAR)),
 922             "FileName = %s\n", wine_dbgstr_wn(fni->FileName, fni->FileNameLength/sizeof(WCHAR)));
 923
 924     CloseHandle(hdir);
 925
 926     hdir = CreateFileW(path, GENERIC_READ,
 927             FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, NULL, OPEN_EXISTING,
 928             FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED, NULL);
 929     ok(hdir != INVALID_HANDLE_VALUE, "failed to open directory\n");
 930
 931     r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
 932             FILE_NOTIFY_CHANGE_DIR_NAME, NULL, &ov, readdirectorychanges_cr);
 933     ok(r == TRUE, "pReadDirectoryChangesW failed\n");
 934
 935     r = MoveFileW(dir, file);
 936     ok(r == TRUE, "failed to move directory\n");
 937
 938     r = SleepEx(1000, TRUE);
 939     ok(r != 0, "failed to receive directory move event\n");
 940     if (fni->Action == FILE_ACTION_RENAMED_OLD_NAME)
 941     {
 942         ok(fni->Action == FILE_ACTION_RENAMED_OLD_NAME, "Action = %d\n", fni->Action);
 943         ok(fni->FileNameLength == lstrlenW(szDir)*sizeof(WCHAR),
 944                 "FileNameLength = %d\n", fni->FileNameLength);
 945         ok(!memcmp(fni->FileName, szDir, lstrlenW(szDir)*sizeof(WCHAR)),
 946                 "FileName = %s\n", wine_dbgstr_wn(fni->FileName, fni->FileNameLength/sizeof(WCHAR)));
 947         ok(fni->NextEntryOffset != 0, "no next entry in movement event\n");
 948         fni_next = (FILE_NOTIFY_INFORMATION*)((char*)fni+fni->NextEntryOffset);
 949         ok(fni_next->NextEntryOffset == 0, "there should be no more events in buffer\n");
 950         ok(fni_next->Action == FILE_ACTION_RENAMED_NEW_NAME, "Action = %d\n", fni_next->Action);
 951         ok(fni_next->FileNameLength == lstrlenW(szFile)*sizeof(WCHAR),
 952                 "FileNameLength = %d\n", fni_next->FileNameLength);
 953         ok(!memcmp(fni_next->FileName, szFile, lstrlenW(szFile)*sizeof(WCHAR)),
 954                 "FileName = %s\n", wine_dbgstr_wn(fni_next->FileName, fni_next->FileNameLength/sizeof(WCHAR)));
 955     }
 956     else
 957     {
 958         todo_wine ok(0, "Expected rename event\n");
 959
 960         if (fni->NextEntryOffset == 0)
 961         {
 962             r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
 963                     FILE_NOTIFY_CHANGE_DIR_NAME, NULL, &ov, readdirectorychanges_cr);
 964             ok(r == TRUE, "pReadDirectoryChangesW failed\n");
 965
 966             r = SleepEx(1000, TRUE);
 967             ok(r != 0, "failed to receive directory move event\n");
 968         }
 969     }
 970
 971     r = CreateDirectoryW(dir, NULL);
 972     ok(r == TRUE, "failed to create directory\n");
 973
 974     r = RemoveDirectoryW(dir);
 975     ok(r == TRUE, "failed to remove directory\n");
 976
 977     r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
 978             FILE_NOTIFY_CHANGE_DIR_NAME, NULL, &ov, readdirectorychanges_cr);
 979     ok(r == TRUE, "pReadDirectoryChangesW failed\n");
 980
 981     r = SleepEx(1000, TRUE);
 982     ok(r != 0, "failed to receive directory creation event\n");
 983     ok(fni->Action == FILE_ACTION_ADDED, "Action = %d\n", fni->Action);
 984     ok(fni->FileNameLength == lstrlenW(szDir)*sizeof(WCHAR),
 985             "FileNameLength = %d\n", fni->FileNameLength);
 986     ok(!memcmp(fni->FileName, szDir, lstrlenW(szDir)*sizeof(WCHAR)),
 987             "FileName = %s\n", wine_dbgstr_wn(fni->FileName, fni->FileNameLength/sizeof(WCHAR)));
 988     if (fni->NextEntryOffset)
 989         fni_next = (FILE_NOTIFY_INFORMATION*)((char*)fni+fni->NextEntryOffset);
 990     else
 991     {
 992         r = pReadDirectoryChangesW(hdir, fni, sizeof(fni), FALSE,
 993                 FILE_NOTIFY_CHANGE_DIR_NAME, NULL, &ov, readdirectorychanges_cr);
 994         ok(r == TRUE, "pReadDirectoryChangesW failed\n");
 995
 996         r = SleepEx(1000, TRUE);
 997         ok(r != 0, "failed to receive directory removal event\n");
 998         fni_next = fni;
 999     }
1000     ok(fni_next->NextEntryOffset == 0, "there should be no more events in buffer\n");
1001     ok(fni_next->Action == FILE_ACTION_REMOVED, "Action = %d\n", fni_next->Action);
1002     ok(fni_next->FileNameLength == lstrlenW(szDir)*sizeof(WCHAR),
1003             "FileNameLength = %d\n", fni_next->FileNameLength);
1004     ok(!memcmp(fni_next->FileName, szDir, lstrlenW(szDir)*sizeof(WCHAR)),
1005             "FileName = %s\n", wine_dbgstr_wn(fni_next->FileName, fni_next->FileNameLength/sizeof(WCHAR)));
1006
1007     CloseHandle(hdir);
1008     RemoveDirectoryW(file);
1009     RemoveDirectoryW(path);
1010 }
1011
1012 static void test_ffcn_directory_overlap(void)
1013 {
1014     HANDLE parent_watch, child_watch, parent_thread, child_thread;
1015     char workdir[MAX_PATH], parentdir[MAX_PATH], childdir[MAX_PATH];
1016     char tempfile[MAX_PATH];
1017     DWORD threadId;
1018     BOOL ret;
1019
1020     /* Setup directory hierarchy */
1021     ret = GetTempPathA(MAX_PATH, workdir);
1022     ok((ret > 0) && (ret <= MAX_PATH),
1023        "GetTempPathA error: %d\n", GetLastError());
1024
1025     ret = GetTempFileNameA(workdir, "fcn", 0, tempfile);
1026     ok(ret, "GetTempFileNameA error: %d\n", GetLastError());
1027     ret = DeleteFileA(tempfile);
1028     ok(ret, "DeleteFileA error: %d\n", GetLastError());
1029
1030     lstrcpyA(parentdir, tempfile);
1031     ret = CreateDirectoryA(parentdir, NULL);
1032     ok(ret, "CreateDirectoryA error: %d\n", GetLastError());
1033
1034     lstrcpyA(childdir, parentdir);
1035     lstrcatA(childdir, "\\c");
1036     ret = CreateDirectoryA(childdir, NULL);
1037     ok(ret, "CreateDirectoryA error: %d\n", GetLastError());
1038
1039
1040     /* When recursively watching overlapping directories, changes in child
1041      * should trigger notifications for both child and parent */
1042     parent_thread = StartNotificationThread(parentdir, TRUE,
1043                                             FILE_NOTIFY_CHANGE_FILE_NAME);
1044     child_thread = StartNotificationThread(childdir, TRUE,
1045                                             FILE_NOTIFY_CHANGE_FILE_NAME);
1046
1047     /* Create a file in child */
1048     ret = GetTempFileNameA(childdir, "fcn", 0, tempfile);
1049     ok(ret, "GetTempFileNameA error: %d\n", GetLastError());
1050
1051     /* Both watches should trigger */
1052     ret = FinishNotificationThread(parent_thread);
1053     ok(ret, "Missed parent notification\n");
1054     ret = FinishNotificationThread(child_thread);
1055     ok(ret, "Missed child notification\n");
1056
1057     ret = DeleteFileA(tempfile);
1058     ok(ret, "DeleteFileA error: %d\n", GetLastError());
1059
1060
1061     /* Removing a recursive parent watch should not affect child watches. Doing
1062      * so used to crash wineserver. */
1063     parent_watch = FindFirstChangeNotificationA(parentdir, TRUE,
1064                                                 FILE_NOTIFY_CHANGE_FILE_NAME);
1065     ok(parent_watch != INVALID_HANDLE_VALUE,
1066        "FindFirstChangeNotification error: %d\n", GetLastError());
1067     child_watch = FindFirstChangeNotificationA(childdir, TRUE,
1068                                                FILE_NOTIFY_CHANGE_FILE_NAME);
1069     ok(child_watch != INVALID_HANDLE_VALUE,
1070        "FindFirstChangeNotification error: %d\n", GetLastError());
1071
1072     ret = FindCloseChangeNotification(parent_watch);
1073     ok(ret, "FindCloseChangeNotification error: %d\n", GetLastError());
1074
1075     child_thread = CreateThread(NULL, 0, NotificationThread, child_watch, 0,
1076                                 &threadId);
1077     ok(child_thread != NULL, "CreateThread error: %d\n", GetLastError());
1078
1079     /* Create a file in child */
1080     ret = GetTempFileNameA(childdir, "fcn", 0, tempfile);
1081     ok(ret, "GetTempFileNameA error: %d\n", GetLastError());
1082
1083     /* Child watch should trigger */
1084     ret = FinishNotificationThread(child_thread);
1085     ok(ret, "Missed child notification\n");
1086
1087     /* clean up */
1088     ret = DeleteFileA(tempfile);
1089     ok(ret, "DeleteFileA error: %d\n", GetLastError());
1090
1091     ret = RemoveDirectoryA(childdir);
1092     ok(ret, "RemoveDirectoryA error: %d\n", GetLastError());
1093
1094     ret = RemoveDirectoryA(parentdir);
1095     ok(ret, "RemoveDirectoryA error: %d\n", GetLastError());
1096 }
1097
1098 START_TEST(change)
1099 {
1100     HMODULE hkernel32 = GetModuleHandleA("kernel32.dll");
1101     pReadDirectoryChangesW = (void *)GetProcAddress(hkernel32, "ReadDirectoryChangesW");
1102
1103     test_ffcnMultipleThreads();
1104     /* The above function runs a test that must occur before FindCloseChangeNotification is run in the
1105        current thread to preserve the emptiness of the wine user APC queue. To ensure this it should be
1106        placed first. */
1107     test_FindFirstChangeNotification();
1108     test_ffcn();
1109     test_readdirectorychanges();
1110     test_readdirectorychanges_null();
1111     test_readdirectorychanges_filedir();
1112     test_readdirectorychanges_cr();
1113     test_ffcn_directory_overlap();
1114 }