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