dlls/kernel/tests/change.c

   1 /*
   2  * Tests for file change notification functions
   3  *
   4  * Copyright (c) 2004 Hans Leidekker
   5  *
   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.
  10  *
  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.
  15  *
  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
  19  */
  20
  21 /* TODO: - security attribute changes
  22  *       - compound filter and multiple notifications
  23  *       - subtree notifications
  24  *       - non-documented flags FILE_NOTIFY_CHANGE_LAST_ACCESS and
  25  *         FILE_NOTIFY_CHANGE_CREATION
  26  */
  27
  28 #include <stdarg.h>
  29 #include <stdio.h>
  30
  31 #include "wine/test.h"
  32 #include <windef.h>
  33 #include <winbase.h>
  34
  35 static DWORD CALLBACK NotificationThread(LPVOID arg)
  36 {
  37     HANDLE change = (HANDLE) arg;
  38     BOOL ret = FALSE;
  39     DWORD status;
  40
  41     status = WaitForSingleObject(change, 100);
  42
  43     if (status == WAIT_OBJECT_0 ) {
  44         ret = FindNextChangeNotification(change);
  45     }
  46
  47     ret = FindCloseChangeNotification(change);
  48     ok( ret, "FindCloseChangeNotification error: %ld\n",
  49        GetLastError());
  50
  51     ExitThread((DWORD)ret);
  52 }
  53
  54 static HANDLE StartNotificationThread(LPCSTR path, BOOL subtree, DWORD flags)
  55 {
  56     HANDLE change, thread;
  57     DWORD threadId;
  58
  59     change = FindFirstChangeNotificationA(path, subtree, flags);
  60     ok(change != INVALID_HANDLE_VALUE, "FindFirstChangeNotification error: %ld\n", GetLastError());
  61
  62     thread = CreateThread(NULL, 0, NotificationThread, (LPVOID)change,
  63                           0, &threadId);
  64     ok(thread != INVALID_HANDLE_VALUE, "CreateThread error: %ld\n", GetLastError());
  65
  66     return thread;
  67 }
  68
  69 static DWORD FinishNotificationThread(HANDLE thread)
  70 {
  71     DWORD status, exitcode;
  72
  73     status = WaitForSingleObject(thread, 5000);
  74     ok(status == WAIT_OBJECT_0, "WaitForSingleObject status %ld error %ld\n", status, GetLastError());
  75
  76     ok(GetExitCodeThread(thread, &exitcode), "Could not retrieve thread exit code\n");
  77
  78     return exitcode;
  79 }
  80
  81 static void test_FindFirstChangeNotification(void)
  82 {
  83     HANDLE change, file, thread;
  84     DWORD attributes, count;
  85     BOOL ret;
  86
  87     char workdir[MAX_PATH], dirname1[MAX_PATH], dirname2[MAX_PATH];
  88     char filename1[MAX_PATH], filename2[MAX_PATH];
  89     static const char prefix[] = "FCN";
  90     char buffer[2048];
  91
  92     /* pathetic checks */
  93
  94     change = FindFirstChangeNotificationA("not-a-file", FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
  95     ok(change == INVALID_HANDLE_VALUE && GetLastError() == ERROR_FILE_NOT_FOUND,
  96        "FindFirstChangeNotification error: %ld\n", GetLastError());
  97
  98     if (0) /* This documents win2k behavior. It crashes on win98. */
  99     {
 100         change = FindFirstChangeNotificationA(NULL, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
 101         ok(change == NULL && GetLastError() == ERROR_PATH_NOT_FOUND,
 102         "FindFirstChangeNotification error: %ld\n", GetLastError());
 103     }
 104
 105     ret = FindNextChangeNotification(NULL);
 106     ok(!ret && GetLastError() == ERROR_INVALID_HANDLE, "FindNextChangeNotification error: %ld\n",
 107        GetLastError());
 108
 109     ret = FindCloseChangeNotification(NULL);
 110     ok(!ret && GetLastError() == ERROR_INVALID_HANDLE, "FindCloseChangeNotification error: %ld\n",
 111        GetLastError());
 112
 113     ret = GetTempPathA(MAX_PATH, workdir);
 114     ok(ret, "GetTempPathA error: %ld\n", GetLastError());
 115
 116     lstrcatA(workdir, "testFileChangeNotification");
 117
 118     ret = CreateDirectoryA(workdir, NULL);
 119     ok(ret, "CreateDirectoryA error: %ld\n", GetLastError());
 120
 121     ret = GetTempFileNameA(workdir, prefix, 0, filename1);
 122     ok(ret, "GetTempFileNameA error: %ld\n", GetLastError());
 123
 124     file = CreateFileA(filename1, GENERIC_WRITE|GENERIC_READ, 0, NULL, CREATE_ALWAYS,
 125                        FILE_ATTRIBUTE_NORMAL, 0);
 126     ok(file != INVALID_HANDLE_VALUE, "CreateFileA error: %ld\n", GetLastError());
 127     ret = CloseHandle(file);
 128     ok( ret, "CloseHandle error: %ld\n", GetLastError());
 129
 130     /* Try to register notification for a file. win98 and win2k behave differently here */
 131     change = FindFirstChangeNotificationA(filename1, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
 132     ok(change == INVALID_HANDLE_VALUE && (GetLastError() == ERROR_DIRECTORY ||
 133                                           GetLastError() == ERROR_FILE_NOT_FOUND),
 134        "FindFirstChangeNotification error: %ld\n", GetLastError());
 135
 136     lstrcpyA(dirname1, filename1);
 137     lstrcatA(dirname1, "dir");
 138
 139     ret = CreateDirectoryA(dirname1, NULL);
 140     ok(ret, "CreateDirectoryA error: %ld\n", GetLastError());
 141
 142     /* What if we remove the directory we registered notification for? */
 143     thread = StartNotificationThread(dirname1, FALSE, FILE_NOTIFY_CHANGE_DIR_NAME);
 144     ret = RemoveDirectoryA(dirname1);
 145     ok(ret, "RemoveDirectoryA error: %ld\n", GetLastError());
 146
 147     /* win98 and win2k behave differently here */
 148     ret = FinishNotificationThread(thread);
 149     ok(ret || !ret, "You'll never read this\n");
 150
 151     /* functional checks */
 152
 153     /* Create a directory */
 154     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_DIR_NAME);
 155     ret = CreateDirectoryA(dirname1, NULL);
 156     ok(ret, "CreateDirectoryA error: %ld\n", GetLastError());
 157     ok(FinishNotificationThread(thread), "Missed notification\n");
 158
 159     lstrcpyA(dirname2, dirname1);
 160     lstrcatA(dirname2, "new");
 161
 162     /* Rename a directory */
 163     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_DIR_NAME);
 164     ret = MoveFileA(dirname1, dirname2);
 165     ok(ret, "MoveFileA error: %ld\n", GetLastError());
 166     ok(FinishNotificationThread(thread), "Missed notification\n");
 167
 168     /* Delete a directory */
 169     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_DIR_NAME);
 170     ret = RemoveDirectoryA(dirname2);
 171     ok(ret, "RemoveDirectoryA error: %ld\n", GetLastError());
 172     ok(FinishNotificationThread(thread), "Missed notification\n");
 173
 174     lstrcpyA(filename2, filename1);
 175     lstrcatA(filename2, "new");
 176
 177     /* Rename a file */
 178     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
 179     ret = MoveFileA(filename1, filename2);
 180     ok(ret, "MoveFileA error: %ld\n", GetLastError());
 181     ok(FinishNotificationThread(thread), "Missed notification\n");
 182
 183     /* Delete a file */
 184     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
 185     ret = DeleteFileA(filename2);
 186     ok(ret, "DeleteFileA error: %ld\n", GetLastError());
 187     ok(FinishNotificationThread(thread), "Missed notification\n");
 188
 189     /* Create a file */
 190     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_FILE_NAME);
 191     file = CreateFileA(filename2, GENERIC_WRITE|GENERIC_READ, 0, NULL, CREATE_ALWAYS,
 192                        FILE_ATTRIBUTE_NORMAL, 0);
 193     ok(file != INVALID_HANDLE_VALUE, "CreateFileA error: %ld\n", GetLastError());
 194     ret = CloseHandle(file);
 195     ok( ret, "CloseHandle error: %ld\n", GetLastError());
 196     ok(FinishNotificationThread(thread), "Missed notification\n");
 197
 198     attributes = GetFileAttributesA(filename2);
 199     ok(attributes != INVALID_FILE_ATTRIBUTES, "GetFileAttributesA error: %ld\n", GetLastError());
 200     attributes &= FILE_ATTRIBUTE_READONLY;
 201
 202     /* Change file attributes */
 203     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_ATTRIBUTES);
 204     ret = SetFileAttributesA(filename2, attributes);
 205     ok(ret, "SetFileAttributesA error: %ld\n", GetLastError());
 206     ok(FinishNotificationThread(thread), "Missed notification\n");
 207
 208     /* Change last write time by writing to a file */
 209     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_LAST_WRITE);
 210     file = CreateFileA(filename2, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 211                        FILE_ATTRIBUTE_NORMAL, 0);
 212     ok(file != INVALID_HANDLE_VALUE, "CreateFileA error: %ld\n", GetLastError());
 213     ret = WriteFile(file, buffer, sizeof(buffer), &count, NULL);
 214     ok(ret && count == sizeof(buffer), "WriteFile error: %ld\n", GetLastError());
 215     ret = CloseHandle(file);
 216     ok( ret, "CloseHandle error: %ld\n", GetLastError());
 217     ok(FinishNotificationThread(thread), "Missed notification\n");
 218
 219     /* Change file size by truncating a file */
 220     thread = StartNotificationThread(workdir, FALSE, FILE_NOTIFY_CHANGE_SIZE);
 221     file = CreateFileA(filename2, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
 222                        FILE_ATTRIBUTE_NORMAL, 0);
 223     ok(file != INVALID_HANDLE_VALUE, "CreateFileA error: %ld\n", GetLastError());
 224     ret = WriteFile(file, buffer, sizeof(buffer) / 2, &count, NULL);
 225     ok(ret && count == sizeof(buffer) / 2, "WriteFileA error: %ld\n", GetLastError());
 226     ret = CloseHandle(file);
 227     ok( ret, "CloseHandle error: %ld\n", GetLastError());
 228     ok(FinishNotificationThread(thread), "Missed notification\n");
 229
 230     /* clean up */
 231
 232     ret = DeleteFileA(filename2);
 233     ok(ret, "DeleteFileA error: %ld\n", GetLastError());
 234
 235     ret = RemoveDirectoryA(workdir);
 236     ok(ret, "RemoveDirectoryA error: %ld\n", GetLastError());
 237 }
 238
 239 START_TEST(change)
 240 {
 241     test_FindFirstChangeNotification();
 242 }