rostests/winetests/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 #include "winuser.h"
  29
  30 #define DOUBLE(x)       (WCHAR)((x<<8)|(x))
  31
  32 static const WCHAR foobarW[] = {'f','o','o','b','a','r',0};
  33 static const WCHAR FOOBARW[] = {'F','O','O','B','A','R',0};
  34 static const WCHAR _foobarW[] = {'_','f','o','o','b','a','r',0};
  35
  36 static void do_initA(char* tmp, const char* pattern, int len)
  37 {
  38     const char* p = pattern;
  39
  40     while (len--)
  41     {
  42         *tmp++ = *p++;
  43         if (!*p) p = pattern;
  44     }
  45     *tmp = '\0';
  46 }
  47
  48 static void do_initW(WCHAR* tmp, const char* pattern, int len)
  49 {
  50     const char* p = pattern;
  51
  52     while (len--)
  53     {
  54         *tmp++ = *p++;
  55         if (!*p) p = pattern;
  56     }
  57     *tmp = '\0';
  58 }
  59
  60 static void print_integral( WCHAR* buffer, int atom )
  61 {
  62     BOOL first = TRUE;
  63
  64 #define X(v) { if (atom >= v) {*buffer++ = '0' + atom / v; first = FALSE; } else if (!first || v == 1) *buffer++ = '0'; atom %= v; }
  65     *buffer++ = '#';
  66     X(10000);
  67     X(1000);
  68     X(100);
  69     X(10);
  70     X(1);
  71     *buffer = '\0';
  72 #undef X
  73 }
  74
  75 static BOOL unicode_OS;
  76
  77 static void test_add_atom(void)
  78 {
  79     ATOM atom, w_atom;
  80     INT_PTR i;
  81
  82     SetLastError( 0xdeadbeef );
  83     atom = GlobalAddAtomA( "foobar" );
  84     ok( atom >= 0xc000, "bad atom id %x\n", atom );
  85     ok( GetLastError() == 0xdeadbeef, "GlobalAddAtomA set last error\n" );
  86
  87     /* Verify that it can be found (or not) appropriately */
  88     ok( GlobalFindAtomA( "foobar" ) == atom, "could not find atom foobar\n" );
  89     ok( GlobalFindAtomA( "FOOBAR" ) == atom, "could not find atom FOOBAR\n" );
  90     ok( !GlobalFindAtomA( "_foobar" ), "found _foobar\n" );
  91
  92     /* Add the same atom, specifying string as unicode; should
  93      * find the first one, not add a new one */
  94     SetLastError( 0xdeadbeef );
  95     w_atom = GlobalAddAtomW( foobarW );
  96     if (w_atom && GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
  97         unicode_OS = TRUE;
  98     else
  99         trace("WARNING: Unicode atom APIs are not supported on this platform\n");
 100
 101     if (unicode_OS)
 102     {
 103         ok( w_atom == atom, "Unicode atom does not match ASCII\n" );
 104         ok( GetLastError() == 0xdeadbeef, "GlobalAddAtomW set last error\n" );
 105     }
 106
 107     /* Verify that it can be found (or not) appropriately via unicode name */
 108     if (unicode_OS)
 109     {
 110         ok( GlobalFindAtomW( foobarW ) == atom, "could not find atom foobar\n" );
 111         ok( GlobalFindAtomW( FOOBARW ) == atom, "could not find atom FOOBAR\n" );
 112         ok( !GlobalFindAtomW( _foobarW ), "found _foobar\n" );
 113     }
 114
 115     /* Test integer atoms
 116      * (0x0001 .. 0xbfff) should be valid;
 117      * (0xc000 .. 0xffff) should be invalid */
 118
 119     SetLastError( 0xdeadbeef );
 120     ok( GlobalAddAtomA(0) == 0 && GetLastError() == 0xdeadbeef, "succeeded to add atom 0\n" );
 121     if (unicode_OS)
 122     {
 123         SetLastError( 0xdeadbeef );
 124         ok( GlobalAddAtomW(0) == 0 && GetLastError() == 0xdeadbeef, "succeeded to add atom 0\n" );
 125     }
 126
 127     SetLastError( 0xdeadbeef );
 128     for (i = 1; i <= 0xbfff; i++)
 129     {
 130         SetLastError( 0xdeadbeef );
 131         ok( GlobalAddAtomA((LPCSTR)i) == i && GetLastError() == 0xdeadbeef,
 132             "failed to add atom %lx\n", i );
 133         if (unicode_OS)
 134         {
 135             SetLastError( 0xdeadbeef );
 136             ok( GlobalAddAtomW((LPCWSTR)i) == i && GetLastError() == 0xdeadbeef,
 137                 "failed to add atom %lx\n", i );
 138         }
 139     }
 140
 141     for (i = 0xc000; i <= 0xffff; i++)
 142     {
 143         ok( !GlobalAddAtomA((LPCSTR)i), "succeeded adding %lx\n", i );
 144         if (unicode_OS)
 145             ok( !GlobalAddAtomW((LPCWSTR)i), "succeeded adding %lx\n", i );
 146     }
 147 }
 148
 149 static void test_get_atom_name(void)
 150 {
 151     char buf[10];
 152     WCHAR bufW[10];
 153     int i;
 154     UINT len;
 155     static const WCHAR resultW[] = {'f','o','o','b','a','r',0,'.','.','.'};
 156     char in[257], out[257];
 157     WCHAR inW[257], outW[257];
 158
 159     ATOM atom = GlobalAddAtomA( "foobar" );
 160
 161     /* Get the name of the atom we added above */
 162     memset( buf, '.', sizeof(buf) );
 163     len = GlobalGetAtomNameA( atom, buf, 10 );
 164     ok( len == strlen("foobar"), "bad length %d\n", len );
 165     ok( !memcmp( buf, "foobar\0...", 10 ), "bad buffer contents\n" );
 166
 167     /* Repeat, unicode-style */
 168     if (unicode_OS)
 169     {
 170         for (i = 0; i < 10; i++) bufW[i] = '.';
 171         SetLastError( 0xdeadbeef );
 172         len = GlobalGetAtomNameW( atom, bufW, 10 );
 173         ok( len && GetLastError() == 0xdeadbeef, "GlobalGetAtomNameW failed\n" );
 174         ok( len == lstrlenW(foobarW), "bad length %d\n", len );
 175         ok( !memcmp( bufW, resultW, 10*sizeof(WCHAR) ), "bad buffer contents\n" );
 176     }
 177
 178     /* Check error code returns */
 179     memset(buf, '.', 10);
 180     ok( !GlobalGetAtomNameA( atom, buf,  0 ), "succeeded\n" );
 181     ok( !memcmp( buf, "..........", 10 ), "should not touch buffer\n" );
 182
 183     if (unicode_OS)
 184     {
 185         static const WCHAR sampleW[10] = {'.','.','.','.','.','.','.','.','.','.'};
 186
 187         for (i = 0; i < 10; i++) bufW[i] = '.';
 188         ok( !GlobalGetAtomNameW( atom, bufW, 0 ), "succeeded\n" );
 189         ok( !memcmp( bufW, sampleW, 10 * sizeof(WCHAR) ), "should not touch buffer\n" );
 190     }
 191
 192     /* Test integer atoms */
 193     for (i = 0; i <= 0xbfff; i++)
 194     {
 195         memset( buf, 'a', 10 );
 196         len = GlobalGetAtomNameA( (ATOM)i, buf, 10 );
 197         if (i)
 198         {
 199             char res[20];
 200             ok( (len > 1) && (len < 7), "bad length %d\n", len );
 201             sprintf( res, "#%d", i );
 202             memset( res + strlen(res) + 1, 'a', 10 );
 203             ok( !memcmp( res, buf, 10 ), "bad buffer contents %s\n", buf );
 204             if (len <= 1 || len >= 7) break;  /* don't bother testing all of them */
 205         }
 206         else
 207             ok( !len, "bad length %d\n", len );
 208
 209         SetLastError(0xdeadbeef);
 210         len = GlobalGetAtomNameA( (ATOM)i, buf, 2);
 211         if (!len) /* the NT way */
 212         {
 213             ok(GetLastError() == (i ? ERROR_MORE_DATA : ERROR_INVALID_PARAMETER) ||
 214                GetLastError() == 0xdeadbeef,  /* the Win 9x way */
 215                "wrong error conditions %u for %u\n", GetLastError(), i);
 216         }
 217         else /* the Win 9x way */
 218         {
 219             ok(GetLastError() == 0xdeadbeef,
 220                "wrong error conditions %u for %u\n", GetLastError(), i);
 221         }
 222     }
 223
 224     memset( buf, '.', sizeof(buf) );
 225     len = GlobalGetAtomNameA( atom, buf, 6 );
 226     ok( len == 0 ||
 227         len == 5, /* win9x */
 228         "bad length %d\n", len );
 229     ok( !memcmp( buf, "fooba\0....", 10 ), "bad buffer contents\n");
 230     if (unicode_OS)
 231     {
 232         static const WCHAR resW[] = {'f','o','o','b','a','r','.','.','.','.'};
 233         for (len = 0; len < 10; len++) bufW[len] = '.';
 234         SetLastError(0xdeadbeef);
 235         len = GlobalGetAtomNameW( atom, bufW, 6 );
 236         ok( len && GetLastError() == 0xdeadbeef, "GlobalGetAtomNameW failed\n" );
 237         ok( len == lstrlenW(foobarW), "bad length %d\n", len );
 238         ok( !memcmp( bufW, resW, 10*sizeof(WCHAR) ), "bad buffer contents\n" );
 239     }
 240
 241     /* test string limits & overflow */
 242     do_initA(in, "abcdefghij", 255);
 243     atom = GlobalAddAtomA(in);
 244     ok(atom, "couldn't add atom for %s\n", in);
 245     len = GlobalGetAtomNameA(atom, out, sizeof(out));
 246     ok(len == 255, "length mismatch (%u instead of 255)\n", len);
 247     for (i = 0; i < 255; i++)
 248     {
 249         ok(out[i] == "abcdefghij"[i % 10], "wrong string at %i (%c instead of %c)\n", i, out[i], "abcdefghij"[i % 10]);
 250     }
 251     ok(out[255] == '\0', "wrong end of string\n");
 252     memset(out, '.', sizeof(out));
 253     SetLastError(0xdeadbeef);
 254     len = GlobalGetAtomNameA(atom, out, 10);
 255     if (!len) /* the NT way */
 256     {
 257         ok(GetLastError() == ERROR_MORE_DATA, "wrong error code (%u instead of %u)\n", GetLastError(), ERROR_MORE_DATA);
 258     }
 259     else /* the Win9x way */
 260     {
 261         ok(GetLastError() == 0xdeadbeef, "wrong error code (%u instead of %u)\n", GetLastError(), 0xdeadbeef);
 262     }
 263     for (i = 0; i < 9; i++)
 264     {
 265         ok(out[i] == "abcdefghij"[i % 10], "wrong string at %i (%c instead of %c)\n", i, out[i], "abcdefghij"[i % 10]);
 266     }
 267     ok(out[9] == '\0', "wrong end of string\n");
 268     ok(out[10] == '.', "wrote after end of buf\n");
 269     do_initA(in, "abcdefghij", 256);
 270     atom = GlobalAddAtomA(in);
 271     ok(!atom, "succeeded\n");
 272     if (unicode_OS)
 273     {
 274         /* test integral atoms */
 275         for (i = 0; i <= 0xbfff; i++)
 276         {
 277             memset(outW, 'a', sizeof(outW));
 278             len = GlobalGetAtomNameW( (ATOM)i, outW, 10 );
 279             if (i)
 280             {
 281                 WCHAR res[20];
 282
 283                 ok( (len > 1) && (len < 7), "bad length %d\n", len );
 284                 print_integral( res, i );
 285                 memset( res + lstrlenW(res) + 1, 'a', 10 * sizeof(WCHAR));
 286                 ok( !memcmp( res, outW, 10 * sizeof(WCHAR) ), "bad buffer contents for %d\n", i );
 287                 if (len <= 1 || len >= 7) break;  /* don't bother testing all of them */
 288             }
 289             else
 290                 ok( !len, "bad length %d\n", len );
 291
 292             memset(outW, '.', sizeof(outW));
 293             SetLastError(0xdeadbeef);
 294             len = GlobalGetAtomNameW( (ATOM)i, outW, 1);
 295             if (i)
 296             {
 297                 /* len == 0 with ERROR_MORE_DATA is on NT3.51 */
 298                 ok(len == 1 || (len == 0 && GetLastError() == ERROR_MORE_DATA),
 299                          "0x%04x: got %u with %d (excepted '1' or '0' with "
 300                          "ERROR_MORE_DATA)\n", i, len, GetLastError());
 301                 ok(outW[1] == DOUBLE('.'), "buffer overwrite\n");
 302             }
 303             else ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "0 badly handled\n");
 304         }
 305
 306         do_initW(inW, "abcdefghij", 255);
 307         atom = GlobalAddAtomW(inW);
 308         ok(atom, "couldn't add atom for %s\n", in);
 309         len = GlobalGetAtomNameW(atom, outW, sizeof(outW)/sizeof(outW[0]));
 310         ok(len == 255, "length mismatch (%u instead of 255)\n", len);
 311         for (i = 0; i < 255; i++)
 312         {
 313             ok(outW[i] == "abcdefghij"[i % 10], "wrong string at %i (%c instead of %c)\n", i, outW[i], "abcdefghij"[i % 10]);
 314         }
 315         ok(outW[255] == '\0', "wrong end of string\n");
 316         memset(outW, '.', sizeof(outW));
 317         len = GlobalGetAtomNameW(atom, outW, 10);
 318         ok(len == 10, "succeeded\n");
 319         for (i = 0; i < 10; i++)
 320         {
 321             ok(outW[i] == "abcdefghij"[i % 10], "wrong string at %i (%c instead of %c)\n", i, outW[i], "abcdefghij"[i % 10]);
 322         }
 323         ok(outW[10] == DOUBLE('.'), "wrote after end of buf\n");
 324         do_initW(inW, "abcdefghij", 256);
 325         atom = GlobalAddAtomW(inW);
 326         ok(!atom, "succeeded\n");
 327         ok(GetLastError() == ERROR_INVALID_PARAMETER, "wrong error code\n");
 328     }
 329 }
 330
 331 static void test_error_handling(void)
 332 {
 333     char buffer[260];
 334     WCHAR bufferW[260];
 335     int i;
 336
 337     memset( buffer, 'a', 256 );
 338     buffer[256] = 0;
 339     ok( !GlobalAddAtomA(buffer), "add succeeded\n" );
 340     ok( !GlobalFindAtomA(buffer), "find succeeded\n" );
 341
 342     if (unicode_OS)
 343     {
 344         for (i = 0; i < 256; i++) bufferW[i] = 'b';
 345         bufferW[256] = 0;
 346         ok( !GlobalAddAtomW(bufferW), "add succeeded\n" );
 347         ok( !GlobalFindAtomW(bufferW), "find succeeded\n" );
 348     }
 349 }
 350
 351 static void test_local_add_atom(void)
 352 {
 353     ATOM atom, w_atom;
 354     INT_PTR i;
 355
 356     SetLastError( 0xdeadbeef );
 357     atom = AddAtomA( "foobar" );
 358     ok( atom >= 0xc000, "bad atom id %x\n", atom );
 359     ok( GetLastError() == 0xdeadbeef, "AddAtomA set last error\n" );
 360
 361     /* Verify that it can be found (or not) appropriately */
 362     ok( FindAtomA( "foobar" ) == atom, "could not find atom foobar\n" );
 363     ok( FindAtomA( "FOOBAR" ) == atom, "could not find atom FOOBAR\n" );
 364     ok( !FindAtomA( "_foobar" ), "found _foobar\n" );
 365
 366     /* Add the same atom, specifying string as unicode; should
 367      * find the first one, not add a new one */
 368     SetLastError( 0xdeadbeef );
 369     w_atom = AddAtomW( foobarW );
 370     if (w_atom && GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
 371         unicode_OS = TRUE;
 372     else
 373         trace("WARNING: Unicode atom APIs are not supported on this platform\n");
 374
 375     if (unicode_OS)
 376     {
 377         ok( w_atom == atom, "Unicode atom does not match ASCII\n" );
 378         ok( GetLastError() == 0xdeadbeef, "AddAtomW set last error\n" );
 379     }
 380
 381     /* Verify that it can be found (or not) appropriately via unicode name */
 382     if (unicode_OS)
 383     {
 384         ok( FindAtomW( foobarW ) == atom, "could not find atom foobar\n" );
 385         ok( FindAtomW( FOOBARW ) == atom, "could not find atom FOOBAR\n" );
 386         ok( !FindAtomW( _foobarW ), "found _foobar\n" );
 387     }
 388
 389     /* Test integer atoms
 390      * (0x0001 .. 0xbfff) should be valid;
 391      * (0xc000 .. 0xffff) should be invalid */
 392
 393     SetLastError( 0xdeadbeef );
 394     ok( AddAtomA(0) == 0 && GetLastError() == 0xdeadbeef, "succeeded to add atom 0\n" );
 395     if (unicode_OS)
 396     {
 397         SetLastError( 0xdeadbeef );
 398         ok( AddAtomW(0) == 0 && GetLastError() == 0xdeadbeef, "succeeded to add atom 0\n" );
 399     }
 400
 401     SetLastError( 0xdeadbeef );
 402     for (i = 1; i <= 0xbfff; i++)
 403     {
 404         SetLastError( 0xdeadbeef );
 405         ok( AddAtomA((LPCSTR)i) == i && GetLastError() == 0xdeadbeef,
 406             "failed to add atom %lx\n", i );
 407         if (unicode_OS)
 408         {
 409             SetLastError( 0xdeadbeef );
 410             ok( AddAtomW((LPCWSTR)i) == i && GetLastError() == 0xdeadbeef,
 411                 "failed to add atom %lx\n", i );
 412         }
 413     }
 414
 415     for (i = 0xc000; i <= 0xffff; i++)
 416     {
 417         ok( !AddAtomA((LPCSTR)i), "succeeded adding %lx\n", i );
 418         if (unicode_OS)
 419             ok( !AddAtomW((LPCWSTR)i), "succeeded adding %lx\n", i );
 420     }
 421 }
 422
 423 static void test_local_get_atom_name(void)
 424 {
 425     char buf[10], in[257], out[257];
 426     WCHAR bufW[10], inW[257], outW[257];
 427     int i;
 428     UINT len;
 429     static const WCHAR resultW[] = {'f','o','o','b','a','r',0,'.','.','.'};
 430
 431     ATOM atom = AddAtomA( "foobar" );
 432
 433     /* Get the name of the atom we added above */
 434     memset( buf, '.', sizeof(buf) );
 435     len = GetAtomNameA( atom, buf, 10 );
 436     ok( len == strlen("foobar"), "bad length %d\n", len );
 437     ok( !memcmp( buf, "foobar\0...", 10 ), "bad buffer contents\n" );
 438
 439     /* Repeat, unicode-style */
 440     if (unicode_OS)
 441     {
 442         for (i = 0; i < 10; i++) bufW[i] = '.';
 443         SetLastError( 0xdeadbeef );
 444         len = GetAtomNameW( atom, bufW, 10 );
 445         ok( len && GetLastError() == 0xdeadbeef, "GetAtomNameW failed\n" );
 446         ok( len == lstrlenW(foobarW), "bad length %d\n", len );
 447         ok( !memcmp( bufW, resultW, 10*sizeof(WCHAR) ), "bad buffer contents\n" );
 448     }
 449
 450     /* Get the name of the atom we added above */
 451     memset( buf, '.', sizeof(buf) );
 452     len = GetAtomNameA( atom, buf, 6 );
 453     ok( len == 5, "bad length %d\n", len );
 454     ok( !memcmp( buf, "fooba\0....", 10 ), "bad buffer contents\n" );
 455
 456     /* Repeat, unicode-style */
 457     if (unicode_OS)
 458     {
 459         WCHAR resW[] = {'f','o','o','b','a','\0','.','.','.','.'};
 460         for (i = 0; i < 10; i++) bufW[i] = '.';
 461         SetLastError( 0xdeadbeef );
 462         len = GetAtomNameW( atom, bufW, 6 );
 463         ok( len && GetLastError() == 0xdeadbeef, "GlobalGetAtomNameW failed\n" );
 464         ok( len == 5, "bad length %d\n", len );
 465         ok( !memcmp( bufW, resW, 10*sizeof(WCHAR) ), "bad buffer contents\n" );
 466     }
 467
 468     /* Check error code returns */
 469     memset(buf, '.', 10);
 470     ok( !GetAtomNameA( atom, buf,  0 ), "succeeded\n" );
 471     ok( !memcmp( buf, "..........", 10 ), "should not touch buffer\n" );
 472
 473     if (unicode_OS)
 474     {
 475         static const WCHAR sampleW[10] = {'.','.','.','.','.','.','.','.','.','.'};
 476
 477         for (i = 0; i < 10; i++) bufW[i] = '.';
 478         ok( !GetAtomNameW( atom, bufW, 0 ), "succeeded\n" );
 479         ok( !memcmp( bufW, sampleW, 10 * sizeof(WCHAR) ), "should not touch buffer\n" );
 480     }
 481
 482     /* Test integer atoms */
 483     for (i = 0; i <= 0xbfff; i++)
 484     {
 485         memset( buf, 'a', 10 );
 486         len = GetAtomNameA( (ATOM)i, buf, 10 );
 487         if (i)
 488         {
 489             char res[20];
 490             ok( (len > 1) && (len < 7), "bad length %d for %s\n", len, buf );
 491             sprintf( res, "#%d", i );
 492             memset( res + strlen(res) + 1, 'a', 10 );
 493             ok( !memcmp( res, buf, 10 ), "bad buffer contents %s\n", buf );
 494         }
 495         else
 496             ok( !len, "bad length %d\n", len );
 497
 498         len = GetAtomNameA( (ATOM)i, buf, 1);
 499         ok(!len, "succeed with %u for %u\n", len, i);
 500
 501         /* ERROR_MORE_DATA is on nt3.51 sp5 */
 502         if (i)
 503             ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER ||
 504                GetLastError() == ERROR_MORE_DATA ||
 505                GetLastError() == 0xdeadbeef, /* the Win 9x way */
 506                "wrong error conditions %u for %u\n", GetLastError(), i);
 507         else
 508             ok(GetLastError() == ERROR_INVALID_PARAMETER ||
 509                GetLastError() == ERROR_MORE_DATA ||
 510                GetLastError() == 0xdeadbeef, /* the Win 9x way */
 511                "wrong error conditions %u for %u\n", GetLastError(), i);
 512     }
 513     /* test string limits & overflow */
 514     do_initA(in, "abcdefghij", 255);
 515     atom = AddAtomA(in);
 516     ok(atom, "couldn't add atom for %s\n", in);
 517     len = GetAtomNameA(atom, out, sizeof(out));
 518     ok(len == 255, "length mismatch (%u instead of 255)\n", len);
 519     for (i = 0; i < 255; i++)
 520     {
 521         ok(out[i] == "abcdefghij"[i % 10], "wrong string at %i (%c instead of %c)\n", i, out[i], "abcdefghij"[i % 10]);
 522     }
 523     ok(out[255] == '\0', "wrong end of string\n");
 524     memset(out, '.', sizeof(out));
 525     len = GetAtomNameA(atom, out, 10);
 526     ok(len == 9, "succeeded %d\n", len);
 527     for (i = 0; i < 9; i++)
 528     {
 529         ok(out[i] == "abcdefghij"[i % 10], "wrong string at %i (%c instead of %c)\n", i, out[i], "abcdefghij"[i % 10]);
 530     }
 531     ok(out[9] == '\0', "wrong end of string\n");
 532     ok(out[10] == '.', "buffer overwrite\n");
 533     do_initA(in, "abcdefghij", 256);
 534     atom = AddAtomA(in);
 535     ok(!atom, "succeeded\n");
 536
 537     /* ERROR_MORE_DATA is on nt3.51 sp5 */
 538     ok(GetLastError() == ERROR_INVALID_PARAMETER ||
 539        GetLastError() == ERROR_MORE_DATA ||
 540        GetLastError() == 0xdeadbeef, /* the Win 9x way */
 541        "wrong error code (%u)\n", GetLastError());
 542
 543     if (unicode_OS)
 544     {
 545         /* test integral atoms */
 546         for (i = 0; i <= 0xbfff; i++)
 547         {
 548             memset(outW, 'a', sizeof(outW));
 549             len = GetAtomNameW( (ATOM)i, outW, 10 );
 550             if (i)
 551             {
 552                 WCHAR res[20];
 553
 554                 ok( (len > 1) && (len < 7), "bad length %d\n", len );
 555                 print_integral( res, i );
 556                 memset( res + lstrlenW(res) + 1, 'a', 10 * sizeof(WCHAR));
 557                 ok( !memcmp( res, outW, 10 * sizeof(WCHAR) ), "bad buffer contents for %d\n", i );
 558             }
 559             else
 560                 ok( !len, "bad length %d\n", len );
 561
 562             len = GetAtomNameW( (ATOM)i, outW, 1);
 563             ok(!len, "succeed with %u for %u\n", len, i);
 564
 565             /* ERROR_MORE_DATA is on nt3.51 sp5 */
 566             ok(GetLastError() == ERROR_MORE_DATA ||
 567                GetLastError() == (i ? ERROR_INSUFFICIENT_BUFFER : ERROR_INVALID_PARAMETER),
 568                "wrong error conditions %u for %u\n", GetLastError(), i);
 569         }
 570         do_initW(inW, "abcdefghij", 255);
 571         atom = AddAtomW(inW);
 572         ok(atom, "couldn't add atom for %s\n", in);
 573         len = GetAtomNameW(atom, outW, sizeof(outW)/sizeof(outW[0]));
 574         ok(len == 255, "length mismatch (%u instead of 255)\n", len);
 575         for (i = 0; i < 255; i++)
 576         {
 577             ok(outW[i] == "abcdefghij"[i % 10], "wrong string at %i (%c instead of %c)\n", i, outW[i], "abcdefghij"[i % 10]);
 578         }
 579         ok(outW[255] == '\0', "wrong end of string\n");
 580         memset(outW, '.', sizeof(outW));
 581         len = GetAtomNameW(atom, outW, 10);
 582         ok(len == 9, "succeeded %d\n", len);
 583         for (i = 0; i < 9; i++)
 584         {
 585             ok(outW[i] == "abcdefghij"[i % 10], "wrong string at %i (%c instead of %c)\n", i, outW[i], "abcdefghij"[i % 10]);
 586         }
 587         ok(outW[9] == '\0', "wrong end of string\n");
 588         ok(outW[10] == DOUBLE('.'), "buffer overwrite\n");
 589         do_initW(inW, "abcdefghij", 256);
 590         atom = AddAtomW(inW);
 591         ok(!atom, "succeeded\n");
 592
 593         /* ERROR_MORE_DATA is on nt3.51 sp5 */
 594         ok(GetLastError() == ERROR_INVALID_PARAMETER ||
 595            GetLastError() == ERROR_MORE_DATA,
 596            "wrong error code (%u)\n", GetLastError());
 597     }
 598 }
 599
 600 static void test_local_error_handling(void)
 601 {
 602     char buffer[260];
 603     WCHAR bufferW[260];
 604     int i;
 605
 606     memset( buffer, 'a', 256 );
 607     buffer[256] = 0;
 608     ok( !AddAtomA(buffer), "add succeeded\n" );
 609     ok( !FindAtomA(buffer), "find succeeded\n" );
 610
 611     if (unicode_OS)
 612     {
 613         for (i = 0; i < 256; i++) bufferW[i] = 'b';
 614         bufferW[256] = 0;
 615         ok( !AddAtomW(bufferW), "add succeeded\n" );
 616         ok( !FindAtomW(bufferW), "find succeeded\n" );
 617     }
 618 }
 619
 620 START_TEST(atom)
 621 {
 622     /* Global atom table seems to be available to GUI apps only in
 623        Win7, so let's turn this app into a GUI app */
 624     GetDesktopWindow();
 625
 626     test_add_atom();
 627     test_get_atom_name();
 628     test_error_handling();
 629     test_local_add_atom();
 630     test_local_get_atom_name();
 631     test_local_error_handling();
 632 }