reactos/apps/tests/kernel32/atom.c

   1 /*
   2  * Unit tests for atom 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 <stdarg.h>
  22 #include <stdio.h>
  23
  24 #include "wine/test.h"
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winerror.h"
  28
  29 static const WCHAR foobarW[] = {'f','o','o','b','a','r',0};
  30 static const WCHAR FOOBARW[] = {'F','O','O','B','A','R',0};
  31 static const WCHAR _foobarW[] = {'_','f','o','o','b','a','r',0};
  32
  33 static BOOL unicode_OS;
  34
  35 static void test_add_atom(void)
  36 {
  37     ATOM atom, w_atom;
  38     int i;
  39
  40     SetLastError( 0xdeadbeef );
  41     atom = GlobalAddAtomA( "foobar" );
  42     ok( atom >= 0xc000, "bad atom id %x\n", atom );
  43     ok( GetLastError() == 0xdeadbeef, "GlobalAddAtomA set last error\n" );
  44
  45     /* Verify that it can be found (or not) appropriately */
  46     ok( GlobalFindAtomA( "foobar" ) == atom, "could not find atom foobar\n" );
  47     ok( GlobalFindAtomA( "FOOBAR" ) == atom, "could not find atom FOOBAR\n" );
  48     ok( !GlobalFindAtomA( "_foobar" ), "found _foobar\n" );
  49
  50     /* Add the same atom, specifying string as unicode; should
  51      * find the first one, not add a new one */
  52     SetLastError( 0xdeadbeef );
  53     w_atom = GlobalAddAtomW( foobarW );
  54     if (w_atom && GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
  55         unicode_OS = TRUE;
  56     else
  57         trace("WARNING: Unicode atom APIs are not supported on this platform\n");
  58
  59     if (unicode_OS)
  60     {
  61         ok( w_atom == atom, "Unicode atom does not match ASCII\n" );
  62         ok( GetLastError() == 0xdeadbeef, "GlobalAddAtomW set last error\n" );
  63     }
  64
  65     /* Verify that it can be found (or not) appropriately via unicode name */
  66     if (unicode_OS)
  67     {
  68         ok( GlobalFindAtomW( foobarW ) == atom, "could not find atom foobar\n" );
  69         ok( GlobalFindAtomW( FOOBARW ) == atom, "could not find atom FOOBAR\n" );
  70         ok( !GlobalFindAtomW( _foobarW ), "found _foobar\n" );
  71     }
  72
  73     /* Test integer atoms
  74      * (0x0001 .. 0xbfff) should be valid;
  75      * (0xc000 .. 0xffff) should be invalid */
  76
  77     SetLastError( 0xdeadbeef );
  78     ok( GlobalAddAtomA(0) == 0 && GetLastError() == 0xdeadbeef, "succeeded to add atom 0\n" );
  79     if (unicode_OS)
  80     {
  81         SetLastError( 0xdeadbeef );
  82         ok( GlobalAddAtomW(0) == 0 && GetLastError() == 0xdeadbeef, "succeeded to add atom 0\n" );
  83     }
  84
  85     SetLastError( 0xdeadbeef );
  86     for (i = 1; i <= 0xbfff; i++)
  87     {
  88         SetLastError( 0xdeadbeef );
  89         ok( GlobalAddAtomA((LPCSTR)i) == i && GetLastError() == 0xdeadbeef,
  90             "failed to add atom %x\n", i );
  91         if (unicode_OS)
  92         {
  93             SetLastError( 0xdeadbeef );
  94             ok( GlobalAddAtomW((LPCWSTR)i) == i && GetLastError() == 0xdeadbeef,
  95                 "failed to add atom %x\n", i );
  96         }
  97     }
  98
  99     for (i = 0xc000; i <= 0xffff; i++)
 100     {
 101         ok( !GlobalAddAtomA((LPCSTR)i), "succeeded adding %x\n", i );
 102         if (unicode_OS)
 103             ok( !GlobalAddAtomW((LPCWSTR)i), "succeeded adding %x\n", i );
 104     }
 105 }
 106
 107 static void test_get_atom_name(void)
 108 {
 109     char buf[10];
 110     WCHAR bufW[10];
 111     int i;
 112     UINT len;
 113     static const WCHAR resultW[] = {'f','o','o','b','a','r',0,'.','.','.'};
 114
 115     ATOM atom = GlobalAddAtomA( "foobar" );
 116
 117     /* Get the name of the atom we added above */
 118     memset( buf, '.', sizeof(buf) );
 119     len = GlobalGetAtomNameA( atom, buf, 10 );
 120     ok( len == strlen("foobar"), "bad length %d\n", len );
 121     ok( !memcmp( buf, "foobar\0...", 10 ), "bad buffer contents\n" );
 122
 123     /* Repeat, unicode-style */
 124     if (unicode_OS)
 125     {
 126         for (i = 0; i < 10; i++) bufW[i] = '.';
 127         SetLastError( 0xdeadbeef );
 128         len = GlobalGetAtomNameW( atom, bufW, 10 );
 129         ok( len && GetLastError() == 0xdeadbeef, "GlobalGetAtomNameW failed\n" );
 130         ok( len == lstrlenW(foobarW), "bad length %d\n", len );
 131         ok( !memcmp( bufW, resultW, 10*sizeof(WCHAR) ), "bad buffer contents\n" );
 132     }
 133
 134     /* Check error code returns */
 135     memset(buf, '.', 10);
 136     ok( !GlobalGetAtomNameA( atom, buf,  0 ), "succeeded\n" );
 137     ok( !memcmp( buf, "..........", 10 ), "should not touch buffer\n" );
 138
 139     if (unicode_OS)
 140     {
 141         static const WCHAR sampleW[10] = {'.','.','.','.','.','.','.','.','.','.'};
 142
 143         for (i = 0; i < 10; i++) bufW[i] = '.';
 144         ok( !GlobalGetAtomNameW( atom, bufW, 0 ), "succeeded\n" );
 145         ok( !memcmp( bufW, sampleW, 10 * sizeof(WCHAR) ), "should not touch buffer\n" );
 146     }
 147
 148     /* Test integer atoms */
 149     for (i = 0; i <= 0xbfff; i++)
 150     {
 151         memset( buf, 'a', 10 );
 152         len = GlobalGetAtomNameA( (ATOM)i, buf, 10 );
 153         if (i)
 154         {
 155             char res[20];
 156             ok( (len > 1) && (len < 7), "bad length %d\n", len );
 157             sprintf( res, "#%d", i );
 158             memset( res + strlen(res) + 1, 'a', 10 );
 159             ok( !memcmp( res, buf, 10 ), "bad buffer contents %s\n", buf );
 160         }
 161         else
 162             ok( !len, "bad length %d\n", len );
 163     }
 164 }
 165
 166 static void test_error_handling(void)
 167 {
 168     char buffer[260];
 169     WCHAR bufferW[260];
 170     int i;
 171
 172     memset( buffer, 'a', 256 );
 173     buffer[256] = 0;
 174     ok( !GlobalAddAtomA(buffer), "add succeeded\n" );
 175     ok( !GlobalFindAtomA(buffer), "find succeeded\n" );
 176
 177     if (unicode_OS)
 178     {
 179         for (i = 0; i < 256; i++) bufferW[i] = 'b';
 180         bufferW[256] = 0;
 181         ok( !GlobalAddAtomW(bufferW), "add succeeded\n" );
 182         ok( !GlobalFindAtomW(bufferW), "find succeeded\n" );
 183     }
 184 }
 185
 186 START_TEST(atom)
 187 {
 188     test_add_atom();
 189     test_get_atom_name();
 190     test_error_handling();
 191 }