dlls/advapi32/tests/registry.c

   1 /*
   2  * Unit tests for registry functions
   3  *
   4  * Copyright (c) 2002 Alexandre Julliard
   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 #include <assert.h>
  22 #include "wine/test.h"
  23 #include "winbase.h"
  24 #include "winreg.h"
  25 #include "winerror.h"
  26
  27 static HKEY hkey_main;
  28
  29 /* delete key and all its subkeys */
  30 static DWORD delete_key( HKEY hkey )
  31 {
  32     char name[MAX_PATH];
  33     DWORD ret;
  34
  35     while (!(ret = RegEnumKeyA(hkey, 0, name, sizeof(name))))
  36     {
  37         HKEY tmp;
  38         if (!(ret = RegOpenKeyExA( hkey, name, 0, KEY_ENUMERATE_SUB_KEYS, &tmp )))
  39         {
  40             ret = delete_key( tmp );
  41             RegCloseKey( tmp );
  42         }
  43         if (ret) break;
  44     }
  45     if (ret != ERROR_NO_MORE_ITEMS) return ret;
  46     RegDeleteKeyA( hkey, NULL );
  47     return 0;
  48 }
  49
  50 static void setup_main_key(void)
  51 {
  52     if (RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Test", &hkey_main )) delete_key( hkey_main );
  53
  54     assert (!RegCreateKeyExA( HKEY_CURRENT_USER, "Software\\Wine\\Test", 0, NULL,
  55                               REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey_main, NULL ));
  56 }
  57
  58 static void test_enum_value(void)
  59 {
  60     DWORD res;
  61     char value[20], data[20];
  62     WCHAR valueW[20], dataW[20];
  63     DWORD val_count, data_count, type;
  64     static const WCHAR foobarW[] = {'f','o','o','b','a','r',0};
  65     static const WCHAR testW[] = {'T','e','s','t',0};
  66     static const WCHAR xxxW[] = {'x','x','x','x','x','x','x','x',0};
  67
  68     res = RegSetValueExA( hkey_main, "Test", 0, REG_SZ, (BYTE *)"foobar", 7 );
  69     ok( res == 0, "RegSetValueExA failed error %ld", res );
  70
  71     /* overflow both name and data */
  72     val_count = 2;
  73     data_count = 2;
  74     type = 1234;
  75     strcpy( value, "xxxxxxxxxx" );
  76     strcpy( data, "xxxxxxxxxx" );
  77     res = RegEnumValueA( hkey_main, 0, value, &val_count, NULL, &type, data, &data_count );
  78     ok( res == ERROR_MORE_DATA, "expected ERROR_MORE_DATA, got %ld", res );
  79     ok( val_count == 2, "val_count set to %ld", val_count );
  80     ok( data_count == 7, "data_count set to %ld instead of 7", data_count );
  81     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
  82     ok( !strcmp( value, "xxxxxxxxxx" ), "value set to '%s'", value );
  83     ok( !strcmp( data, "xxxxxxxxxx" ), "data set to '%s'", data );
  84
  85     /* overflow name */
  86     val_count = 3;
  87     data_count = 20;
  88     type = 1234;
  89     strcpy( value, "xxxxxxxxxx" );
  90     strcpy( data, "xxxxxxxxxx" );
  91     res = RegEnumValueA( hkey_main, 0, value, &val_count, NULL, &type, data, &data_count );
  92     ok( res == ERROR_MORE_DATA, "expected ERROR_MORE_DATA, got %ld", res );
  93     /* Win9x returns 2 as specified by MSDN but NT returns 3... */
  94     ok( val_count == 2 || val_count == 3, "val_count set to %ld", val_count );
  95     ok( data_count == 7, "data_count set to %ld instead of 7", data_count );
  96     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
  97     ok( !strcmp( value, "Te" ), "value set to '%s' instead of 'Te'", value );
  98     ok( !strcmp( data, "foobar" ), "data set to '%s' instead of 'foobar'", data );
  99
 100     /* overflow empty name */
 101     val_count = 0;
 102     data_count = 20;
 103     type = 1234;
 104     strcpy( value, "xxxxxxxxxx" );
 105     strcpy( data, "xxxxxxxxxx" );
 106     res = RegEnumValueA( hkey_main, 0, value, &val_count, NULL, &type, data, &data_count );
 107     ok( res == ERROR_MORE_DATA, "expected ERROR_MORE_DATA, got %ld", res );
 108     ok( val_count == 0, "val_count set to %ld", val_count );
 109     ok( data_count == 7, "data_count set to %ld instead of 7", data_count );
 110     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
 111     ok( !strcmp( value, "xxxxxxxxxx" ), "value set to '%s'", value );
 112     ok( !strcmp( data, "foobar" ), "data set to '%s' instead of 'foobar'", data );
 113
 114     /* overflow data */
 115     val_count = 20;
 116     data_count = 2;
 117     type = 1234;
 118     strcpy( value, "xxxxxxxxxx" );
 119     strcpy( data, "xxxxxxxxxx" );
 120     res = RegEnumValueA( hkey_main, 0, value, &val_count, NULL, &type, data, &data_count );
 121     ok( res == ERROR_MORE_DATA, "expected ERROR_MORE_DATA, got %ld", res );
 122     ok( val_count == 20, "val_count set to %ld", val_count );
 123     ok( data_count == 7, "data_count set to %ld instead of 7", data_count );
 124     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
 125     ok( !strcmp( value, "xxxxxxxxxx" ), "value set to '%s'", value );
 126     ok( !strcmp( data, "xxxxxxxxxx" ), "data set to '%s'", data );
 127
 128     /* no overflow */
 129     val_count = 20;
 130     data_count = 20;
 131     type = 1234;
 132     strcpy( value, "xxxxxxxxxx" );
 133     strcpy( data, "xxxxxxxxxx" );
 134     res = RegEnumValueA( hkey_main, 0, value, &val_count, NULL, &type, data, &data_count );
 135     ok( res == ERROR_SUCCESS, "expected ERROR_SUCCESS, got %ld", res );
 136     ok( val_count == 4, "val_count set to %ld instead of 4", val_count );
 137     ok( data_count == 7, "data_count set to %ld instead of 7", data_count );
 138     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
 139     ok( !strcmp( value, "Test" ), "value is '%s' instead of Test", value );
 140     ok( !strcmp( data, "foobar" ), "data is '%s' instead of foobar", data );
 141
 142     /* Unicode tests */
 143
 144     SetLastError(0);
 145     res = RegSetValueExW( hkey_main, testW, 0, REG_SZ, (BYTE *)foobarW, 7*sizeof(WCHAR) );
 146     if (res==0 && GetLastError()==ERROR_CALL_NOT_IMPLEMENTED)
 147         goto CLEANUP;
 148     ok( res == 0, "RegSetValueExW failed error %ld", res );
 149
 150     /* overflow both name and data */
 151     val_count = 2;
 152     data_count = 2;
 153     type = 1234;
 154     memcpy( valueW, xxxW, sizeof(xxxW) );
 155     memcpy( dataW, xxxW, sizeof(xxxW) );
 156     res = RegEnumValueW( hkey_main, 0, valueW, &val_count, NULL, &type, (BYTE*)dataW, &data_count );
 157     ok( res == ERROR_MORE_DATA, "expected ERROR_MORE_DATA, got %ld", res );
 158     ok( val_count == 2, "val_count set to %ld", val_count );
 159     ok( data_count == 7*sizeof(WCHAR), "data_count set to %ld instead of 7*sizeof(WCHAR)", data_count );
 160     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
 161     ok( !memcmp( valueW, xxxW, sizeof(xxxW) ), "value modified" );
 162     ok( !memcmp( dataW, xxxW, sizeof(xxxW) ), "data modified" );
 163
 164     /* overflow name */
 165     val_count = 3;
 166     data_count = 20;
 167     type = 1234;
 168     memcpy( valueW, xxxW, sizeof(xxxW) );
 169     memcpy( dataW, xxxW, sizeof(xxxW) );
 170     res = RegEnumValueW( hkey_main, 0, valueW, &val_count, NULL, &type, (BYTE*)dataW, &data_count );
 171     ok( res == ERROR_MORE_DATA, "expected ERROR_MORE_DATA, got %ld", res );
 172     ok( val_count == 3, "val_count set to %ld", val_count );
 173     ok( data_count == 7*sizeof(WCHAR), "data_count set to %ld instead of 7*sizeof(WCHAR)", data_count );
 174     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
 175     ok( !memcmp( valueW, xxxW, sizeof(xxxW) ), "value modified" );
 176     ok( !memcmp( dataW, xxxW, sizeof(xxxW) ), "data modified" );
 177
 178     /* overflow data */
 179     val_count = 20;
 180     data_count = 2;
 181     type = 1234;
 182     memcpy( valueW, xxxW, sizeof(xxxW) );
 183     memcpy( dataW, xxxW, sizeof(xxxW) );
 184     res = RegEnumValueW( hkey_main, 0, valueW, &val_count, NULL, &type, (BYTE*)dataW, &data_count );
 185     ok( res == ERROR_MORE_DATA, "expected ERROR_MORE_DATA, got %ld", res );
 186     ok( val_count == 4, "val_count set to %ld instead of 4", val_count );
 187     ok( data_count == 7*sizeof(WCHAR), "data_count set to %ld instead of 7*sizeof(WCHAR)", data_count );
 188     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
 189     ok( !memcmp( valueW, testW, sizeof(testW) ), "value is not 'Test'" );
 190     ok( !memcmp( dataW, xxxW, sizeof(xxxW) ), "data modified" );
 191
 192     /* no overflow */
 193     val_count = 20;
 194     data_count = 20;
 195     type = 1234;
 196     memcpy( valueW, xxxW, sizeof(xxxW) );
 197     memcpy( dataW, xxxW, sizeof(xxxW) );
 198     res = RegEnumValueW( hkey_main, 0, valueW, &val_count, NULL, &type, (BYTE*)dataW, &data_count );
 199     ok( res == ERROR_SUCCESS, "expected ERROR_SUCCESS, got %ld", res );
 200     ok( val_count == 4, "val_count set to %ld instead of 4", val_count );
 201     ok( data_count == 7*sizeof(WCHAR), "data_count set to %ld instead of 7*sizeof(WCHAR)", data_count );
 202     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
 203     ok( !memcmp( valueW, testW, sizeof(testW) ), "value is not 'Test'" );
 204     ok( !memcmp( dataW, foobarW, sizeof(foobarW) ), "data is not 'foobar'" );
 205
 206 CLEANUP:
 207     /* cleanup */
 208     RegDeleteValueA( hkey_main, "Test" );
 209 }
 210
 211 START_TEST(registry)
 212 {
 213     setup_main_key();
 214     test_enum_value();
 215
 216     /* cleanup */
 217     delete_key( hkey_main );
 218 }