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 <stdarg.h>
  23 #include "wine/test.h"
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winreg.h"
  27 #include "winerror.h"
  28
  29 static HKEY hkey_main;
  30
  31 /* delete key and all its subkeys */
  32 static DWORD delete_key( HKEY hkey )
  33 {
  34     char name[MAX_PATH];
  35     DWORD ret;
  36
  37     while (!(ret = RegEnumKeyA(hkey, 0, name, sizeof(name))))
  38     {
  39         HKEY tmp;
  40         if (!(ret = RegOpenKeyExA( hkey, name, 0, KEY_ENUMERATE_SUB_KEYS, &tmp )))
  41         {
  42             ret = delete_key( tmp );
  43             RegCloseKey( tmp );
  44         }
  45         if (ret) break;
  46     }
  47     if (ret != ERROR_NO_MORE_ITEMS) return ret;
  48     RegDeleteKeyA( hkey, NULL );
  49     return 0;
  50 }
  51
  52 static void setup_main_key(void)
  53 {
  54     if (RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Test", &hkey_main )) delete_key( hkey_main );
  55
  56     assert (!RegCreateKeyExA( HKEY_CURRENT_USER, "Software\\Wine\\Test", 0, NULL,
  57                               REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey_main, NULL ));
  58 }
  59
  60 static void test_enum_value(void)
  61 {
  62     DWORD res;
  63     char value[20], data[20];
  64     WCHAR valueW[20], dataW[20];
  65     DWORD val_count, data_count, type;
  66     static const WCHAR foobarW[] = {'f','o','o','b','a','r',0};
  67     static const WCHAR testW[] = {'T','e','s','t',0};
  68     static const WCHAR xxxW[] = {'x','x','x','x','x','x','x','x',0};
  69
  70     res = RegSetValueExA( hkey_main, "Test", 0, REG_SZ, (BYTE *)"foobar", 7 );
  71     ok( res == 0, "RegSetValueExA failed error %ld", res );
  72
  73     /* overflow both name and data */
  74     val_count = 2;
  75     data_count = 2;
  76     type = 1234;
  77     strcpy( value, "xxxxxxxxxx" );
  78     strcpy( data, "xxxxxxxxxx" );
  79     res = RegEnumValueA( hkey_main, 0, value, &val_count, NULL, &type, data, &data_count );
  80     ok( res == ERROR_MORE_DATA, "expected ERROR_MORE_DATA, got %ld", res );
  81     ok( val_count == 2, "val_count set to %ld", val_count );
  82     ok( data_count == 7, "data_count set to %ld instead of 7", data_count );
  83     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
  84     ok( !strcmp( value, "xxxxxxxxxx" ), "value set to '%s'", value );
  85     ok( !strcmp( data, "xxxxxxxxxx" ), "data set to '%s'", data );
  86
  87     /* overflow name */
  88     val_count = 3;
  89     data_count = 20;
  90     type = 1234;
  91     strcpy( value, "xxxxxxxxxx" );
  92     strcpy( data, "xxxxxxxxxx" );
  93     res = RegEnumValueA( hkey_main, 0, value, &val_count, NULL, &type, data, &data_count );
  94     ok( res == ERROR_MORE_DATA, "expected ERROR_MORE_DATA, got %ld", res );
  95     /* Win9x returns 2 as specified by MSDN but NT returns 3... */
  96     ok( val_count == 2 || val_count == 3, "val_count set to %ld", val_count );
  97     ok( data_count == 7, "data_count set to %ld instead of 7", data_count );
  98     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
  99     ok( !strcmp( value, "Te" ), "value set to '%s' instead of 'Te'", value );
 100     ok( !strcmp( data, "foobar" ), "data set to '%s' instead of 'foobar'", data );
 101
 102     /* overflow empty name */
 103     val_count = 0;
 104     data_count = 20;
 105     type = 1234;
 106     strcpy( value, "xxxxxxxxxx" );
 107     strcpy( data, "xxxxxxxxxx" );
 108     res = RegEnumValueA( hkey_main, 0, value, &val_count, NULL, &type, data, &data_count );
 109     ok( res == ERROR_MORE_DATA, "expected ERROR_MORE_DATA, got %ld", res );
 110     ok( val_count == 0, "val_count set to %ld", val_count );
 111     ok( data_count == 7, "data_count set to %ld instead of 7", data_count );
 112     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
 113     ok( !strcmp( value, "xxxxxxxxxx" ), "value set to '%s'", value );
 114     ok( !strcmp( data, "foobar" ), "data set to '%s' instead of 'foobar'", data );
 115
 116     /* overflow data */
 117     val_count = 20;
 118     data_count = 2;
 119     type = 1234;
 120     strcpy( value, "xxxxxxxxxx" );
 121     strcpy( data, "xxxxxxxxxx" );
 122     res = RegEnumValueA( hkey_main, 0, value, &val_count, NULL, &type, data, &data_count );
 123     ok( res == ERROR_MORE_DATA, "expected ERROR_MORE_DATA, got %ld", res );
 124     ok( val_count == 20, "val_count set to %ld", val_count );
 125     ok( data_count == 7, "data_count set to %ld instead of 7", data_count );
 126     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
 127     ok( !strcmp( value, "xxxxxxxxxx" ), "value set to '%s'", value );
 128     ok( !strcmp( data, "xxxxxxxxxx" ), "data set to '%s'", data );
 129
 130     /* no overflow */
 131     val_count = 20;
 132     data_count = 20;
 133     type = 1234;
 134     strcpy( value, "xxxxxxxxxx" );
 135     strcpy( data, "xxxxxxxxxx" );
 136     res = RegEnumValueA( hkey_main, 0, value, &val_count, NULL, &type, data, &data_count );
 137     ok( res == ERROR_SUCCESS, "expected ERROR_SUCCESS, got %ld", res );
 138     ok( val_count == 4, "val_count set to %ld instead of 4", val_count );
 139     ok( data_count == 7, "data_count set to %ld instead of 7", data_count );
 140     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
 141     ok( !strcmp( value, "Test" ), "value is '%s' instead of Test", value );
 142     ok( !strcmp( data, "foobar" ), "data is '%s' instead of foobar", data );
 143
 144     /* Unicode tests */
 145
 146     SetLastError(0);
 147     res = RegSetValueExW( hkey_main, testW, 0, REG_SZ, (BYTE *)foobarW, 7*sizeof(WCHAR) );
 148     if (res==0 && GetLastError()==ERROR_CALL_NOT_IMPLEMENTED)
 149         goto CLEANUP;
 150     ok( res == 0, "RegSetValueExW failed error %ld", res );
 151
 152     /* overflow both name and data */
 153     val_count = 2;
 154     data_count = 2;
 155     type = 1234;
 156     memcpy( valueW, xxxW, sizeof(xxxW) );
 157     memcpy( dataW, xxxW, sizeof(xxxW) );
 158     res = RegEnumValueW( hkey_main, 0, valueW, &val_count, NULL, &type, (BYTE*)dataW, &data_count );
 159     ok( res == ERROR_MORE_DATA, "expected ERROR_MORE_DATA, got %ld", res );
 160     ok( val_count == 2, "val_count set to %ld", val_count );
 161     ok( data_count == 7*sizeof(WCHAR), "data_count set to %ld instead of 7*sizeof(WCHAR)", data_count );
 162     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
 163     ok( !memcmp( valueW, xxxW, sizeof(xxxW) ), "value modified" );
 164     ok( !memcmp( dataW, xxxW, sizeof(xxxW) ), "data modified" );
 165
 166     /* overflow name */
 167     val_count = 3;
 168     data_count = 20;
 169     type = 1234;
 170     memcpy( valueW, xxxW, sizeof(xxxW) );
 171     memcpy( dataW, xxxW, sizeof(xxxW) );
 172     res = RegEnumValueW( hkey_main, 0, valueW, &val_count, NULL, &type, (BYTE*)dataW, &data_count );
 173     ok( res == ERROR_MORE_DATA, "expected ERROR_MORE_DATA, got %ld", res );
 174     ok( val_count == 3, "val_count set to %ld", val_count );
 175     ok( data_count == 7*sizeof(WCHAR), "data_count set to %ld instead of 7*sizeof(WCHAR)", data_count );
 176     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
 177     ok( !memcmp( valueW, xxxW, sizeof(xxxW) ), "value modified" );
 178     ok( !memcmp( dataW, xxxW, sizeof(xxxW) ), "data modified" );
 179
 180     /* overflow data */
 181     val_count = 20;
 182     data_count = 2;
 183     type = 1234;
 184     memcpy( valueW, xxxW, sizeof(xxxW) );
 185     memcpy( dataW, xxxW, sizeof(xxxW) );
 186     res = RegEnumValueW( hkey_main, 0, valueW, &val_count, NULL, &type, (BYTE*)dataW, &data_count );
 187     ok( res == ERROR_MORE_DATA, "expected ERROR_MORE_DATA, got %ld", res );
 188     ok( val_count == 4, "val_count set to %ld instead of 4", val_count );
 189     ok( data_count == 7*sizeof(WCHAR), "data_count set to %ld instead of 7*sizeof(WCHAR)", data_count );
 190     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
 191     ok( !memcmp( valueW, testW, sizeof(testW) ), "value is not 'Test'" );
 192     ok( !memcmp( dataW, xxxW, sizeof(xxxW) ), "data modified" );
 193
 194     /* no overflow */
 195     val_count = 20;
 196     data_count = 20;
 197     type = 1234;
 198     memcpy( valueW, xxxW, sizeof(xxxW) );
 199     memcpy( dataW, xxxW, sizeof(xxxW) );
 200     res = RegEnumValueW( hkey_main, 0, valueW, &val_count, NULL, &type, (BYTE*)dataW, &data_count );
 201     ok( res == ERROR_SUCCESS, "expected ERROR_SUCCESS, got %ld", res );
 202     ok( val_count == 4, "val_count set to %ld instead of 4", val_count );
 203     ok( data_count == 7*sizeof(WCHAR), "data_count set to %ld instead of 7*sizeof(WCHAR)", data_count );
 204     ok( type == REG_SZ, "type %ld is not REG_SZ", type );
 205     ok( !memcmp( valueW, testW, sizeof(testW) ), "value is not 'Test'" );
 206     ok( !memcmp( dataW, foobarW, sizeof(foobarW) ), "data is not 'foobar'" );
 207
 208 CLEANUP:
 209     /* cleanup */
 210     RegDeleteValueA( hkey_main, "Test" );
 211 }
 212
 213 START_TEST(registry)
 214 {
 215     setup_main_key();
 216     test_enum_value();
 217
 218     /* cleanup */
 219     delete_key( hkey_main );
 220 }