dlls/kernel32/tests/format_msg.c

   1 /* Unit test suite for FormatMessageA/W
   2  *
   3  * Copyright 2002 Mike McCormack for CodeWeavers
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include <stdarg.h>
  21
  22 #include "wine/test.h"
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winnls.h"
  26
  27 /* #define ok(cond,failstr) if(!(cond)) {printf("line %d : %s\n",__LINE__,failstr);exit(1);} */
  28
  29 static DWORD doit(DWORD flags, LPCVOID src, DWORD msg_id, DWORD lang_id,
  30            LPSTR out, DWORD outsize, ... )
  31 {
  32     va_list list;
  33     DWORD r;
  34
  35     va_start(list, outsize);
  36     r = FormatMessageA(flags, src, msg_id,
  37         lang_id, out, outsize, &list);
  38     va_end(list);
  39     return r;
  40 }
  41
  42 static DWORD doitW(DWORD flags, LPCVOID src, DWORD msg_id, DWORD lang_id,
  43            LPWSTR out, DWORD outsize, ... )
  44 {
  45     va_list list;
  46     DWORD r;
  47
  48     va_start(list, outsize);
  49     r = FormatMessageW(flags, src, msg_id,
  50         lang_id, out, outsize, &list);
  51     va_end(list);
  52     return r;
  53 }
  54
  55 static void test_message_from_string_wide(void)
  56 {
  57     static const WCHAR test[]        = {'t','e','s','t',0};
  58     static const WCHAR te[]          = {'t','e',0};
  59     static const WCHAR st[]          = {'s','t',0};
  60     static const WCHAR t[]           = {'t',0};
  61     static const WCHAR e[]           = {'e',0};
  62     static const WCHAR s[]           = {'s',0};
  63     static const WCHAR fmt_1[]       = {'%','1',0};
  64     static const WCHAR fmt_12[]      = {'%','1','%','2',0};
  65     static const WCHAR fmt_123[]     = {'%','1','%','3','%','2','%','1',0};
  66     static const WCHAR fmt_123c[]    = {'%','1','!','c','!','%','2','!','c','!','%','3','!','c','!','%','1','!','c','!',0};
  67     static const WCHAR fmt_123lc[]   = {'%','1','!','l','c','!','%','2','!','l','c','!','%','3','!','l','c','!','%','1','!','l','c','!',0};
  68     static const WCHAR fmt_123wc[]   = {'%','1','!','w','c','!','%','2','!','w','c','!','%','3','!','w','c','!','%','1','!','w','c','!',0};
  69     static const WCHAR fmt_123C[]    = {'%','1','!','C','!','%','2','!','C','!','%','3','!','C','!','%','1','!','C','!',0};
  70     static const WCHAR fmt_123d[]    = {'%','1','!','d','!','%','2','!','d','!','%','3','!','d','!',0};
  71     static const WCHAR fmt_1s[]      = {'%','1','!','s','!',0};
  72     static const WCHAR fmt_s[]       = {'%','!','s','!',0};
  73     static const WCHAR fmt_ls[]      = {'%','!','l','s','!',0};
  74     static const WCHAR fmt_ws[]      = {'%','!','w','s','!',0};
  75     static const WCHAR fmt_S[]       = {'%','!','S','!',0};
  76     static const WCHAR fmt_14d[]     = {'%','1','!','4','d','!',0};
  77     static const WCHAR fmt_14x[]     = {'%','1','!','4','x','!',0};
  78     static const WCHAR fmt_14X[]     = {'%','1','!','4','X','!',0};
  79     static const WCHAR fmt_1_4X[]    = {'%','1','!','-','4','X','!',0};
  80     static const WCHAR fmt_1_4d[]    = {'%','1','!','-','4','d','!',0};
  81     static const WCHAR fmt_2pct[]    = {' ','%','%','%','%',' ',0};
  82     static const WCHAR fmt_2dot1d[]  = {' ', '%','.','%','.',' ',' ','%','1','!','d','!',0};
  83     static const WCHAR fmt_t0t[]     = {'t','e','s','t','%','0','t','e','s','t',0};
  84     static const WCHAR fmt_yah[]     = {'y','a','h','%','!','%','0',' ',' ',' ',0};
  85     static const WCHAR fmt_space[]   = {'%',' ','%',' ',' ',' ',0};
  86     static const WCHAR fmt_hi_lf[]   = {'h','i','\n',0};
  87     static const WCHAR fmt_hi_crlf[] = {'h','i','\r','\n',0};
  88     static const WCHAR fmt_cr[]      = {'\r',0};
  89     static const WCHAR fmt_crcrlf[]  = {'\r','\r','\n',0};
  90     static const WCHAR s_123d[]      = {'1','2','3',0};
  91     static const WCHAR s_14d[]       = {' ',' ',' ','1',0};
  92     static const WCHAR s_14x[]       = {' ',' ',' ','b',0};
  93     static const WCHAR s_14X[]       = {' ',' ',' ','B',0};
  94     static const WCHAR s_1_4X[]      = {'B',' ',' ',' ',0};
  95     static const WCHAR s_14d2[]      = {' ',' ','1','1',0};
  96     static const WCHAR s_1_4d[]      = {'1',' ',' ',' ',0};
  97     static const WCHAR s_1AB[]       = {' ','1','A','B',0};
  98     static const WCHAR s_2pct[]      = {' ','%','%',' ',0};
  99     static const WCHAR s_2dot147[]   = {' ','.','.',' ',' ','4','2','7',0};
 100     static const WCHAR s_yah[]       = {'y','a','h','!',0};
 101     static const WCHAR s_space[]     = {' ',' ',' ',' ',0};
 102     static const WCHAR s_hi_crlf[]   = {'h','i','\r','\n',0};
 103     static const WCHAR s_crlf[]      = {'\r','\n',0};
 104     static const WCHAR s_crlfcrlf[]  = {'\r','\n','\r','\n',0};
 105     static const WCHAR s_hi_sp[]     = {'h','i',' ',0};
 106     static const WCHAR s_sp[]        = {' ',0};
 107     static const WCHAR s_2sp[]       = {' ',' ',0};
 108     WCHAR out[0x100] = {0};
 109     DWORD r, error;
 110
 111     SetLastError(0xdeadbeef);
 112     r = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, NULL, 0, 0, NULL, 0, NULL);
 113     error = GetLastError();
 114     if (!r && error == ERROR_CALL_NOT_IMPLEMENTED)
 115     {
 116         win_skip("FormatMessageW is not implemented\n");
 117         return;
 118     }
 119
 120     /* the basics */
 121     r = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, test, 0,
 122         0, out, sizeof(out)/sizeof(WCHAR), NULL);
 123     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 124     ok(r==4, "failed: r=%d\n", r);
 125
 126     /* using the format feature */
 127     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1s, 0,
 128         0, out, sizeof(out)/sizeof(WCHAR), test);
 129     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 130     ok(r==4,"failed: r=%d\n", r);
 131
 132     /* no format */
 133     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1, 0,
 134         0, out, sizeof(out)/sizeof(WCHAR), test);
 135     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 136     ok(r==4,"failed: r=%d\n", r);
 137
 138     /* two pieces */
 139     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_12, 0,
 140         0, out, sizeof(out)/sizeof(WCHAR), te, st);
 141     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 142     ok(r==4,"failed: r=%d\n", r);
 143
 144     /* three pieces */
 145     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123, 0,
 146         0, out, sizeof(out)/sizeof(WCHAR), t, s, e);
 147     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 148     ok(r==4,"failed: r=%d\n", r);
 149
 150     /* s doesn't seem to work in format strings */
 151     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_s, 0,
 152         0, out, sizeof(out)/sizeof(WCHAR), test);
 153     ok(!lstrcmpW(&fmt_s[1], out), "failed out=%s\n", wine_dbgstr_w(out));
 154     ok(r==3, "failed: r=%d\n", r);
 155
 156     /* nor ls */
 157     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_ls, 0,
 158         0, out, sizeof(out)/sizeof(WCHAR), test);
 159     ok(!lstrcmpW(&fmt_ls[1], out), "failed out=%s\n", wine_dbgstr_w(out));
 160     ok(r==4, "failed: r=%d\n", r);
 161
 162     /* nor S */
 163     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_S, 0,
 164         0, out, sizeof(out)/sizeof(WCHAR), test);
 165     ok(!lstrcmpW(&fmt_S[1], out), "failed out=%s\n", wine_dbgstr_w(out));
 166     ok(r==3, "failed: r=%d\n", r);
 167
 168     /* nor ws */
 169     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_ws, 0,
 170         0, out, sizeof(out)/sizeof(WCHAR), test);
 171     ok(!lstrcmpW(&fmt_ws[1], out), "failed out=%s\n", wine_dbgstr_w(out));
 172     ok(r==4, "failed: r=%d\n", r);
 173
 174     /* as characters */
 175     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123c, 0,
 176         0, out, sizeof(out)/sizeof(WCHAR), 't', 'e', 's');
 177     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 178     ok(r==4,"failed: r=%d\n", r);
 179
 180     /* lc is unicode */
 181     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123lc, 0,
 182         0, out, sizeof(out)/sizeof(WCHAR), 't', 'e', 's');
 183     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 184     ok(r==4,"failed: r=%d\n", r);
 185
 186     /* wc is unicode */
 187     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123wc, 0,
 188         0, out, sizeof(out)/sizeof(WCHAR), 't', 'e', 's');
 189     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 190     ok(r==4,"failed: r=%d\n", r);
 191
 192     /* C is unicode */
 193     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123C, 0,
 194         0, out, sizeof(out)/sizeof(WCHAR), 't', 'e', 's');
 195     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 196     ok(r==4,"failed: r=%d\n", r);
 197
 198     /* some numbers */
 199     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123d, 0,
 200         0, out, sizeof(out)/sizeof(WCHAR), 1, 2, 3);
 201     ok(!lstrcmpW(s_123d, out), "failed out=%s\n", wine_dbgstr_w(out));
 202     ok(r==3,"failed: r=%d\n", r);
 203
 204     /* a single digit with some spacing */
 205     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_14d, 0,
 206         0, out, sizeof(out)/sizeof(WCHAR), 1);
 207     ok(!lstrcmpW(s_14d, out), "failed out=%s\n", wine_dbgstr_w(out));
 208
 209     /* a single digit, left justified */
 210     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1_4d, 0,
 211         0, out, sizeof(out)/sizeof(CHAR), 1);
 212     ok(!lstrcmpW(s_1_4d, out), "failed out=%s\n", wine_dbgstr_w(out));
 213     ok(r==4,"failed: r=%d\n", r);
 214
 215     /* two digit decimal number */
 216     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_14d, 0,
 217         0, out, sizeof(out)/sizeof(WCHAR), 11);
 218     ok(!lstrcmpW(s_14d2, out), "failed out=%s\n", wine_dbgstr_w(out));
 219     ok(r==4,"failed: r=%d\n", r);
 220
 221     /* a hex number */
 222     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_14x, 0,
 223         0, out, sizeof(out)/sizeof(WCHAR), 11);
 224     ok(!lstrcmpW(s_14x, out), "failed out=%s\n", wine_dbgstr_w(out));
 225     ok(r==4,"failed: r=%d\n", r);
 226
 227     /* a hex number, upper case */
 228     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_14X, 0,
 229         0, out, sizeof(out)/sizeof(WCHAR), 11);
 230     ok(!lstrcmpW(s_14X, out), "failed out=%s\n", wine_dbgstr_w(out));
 231     ok(r==4,"failed: r=%d\n", r);
 232
 233     /* a hex number, upper case, left justified */
 234     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1_4X, 0,
 235         0, out, sizeof(out)/sizeof(WCHAR), 11);
 236     ok(!lstrcmpW(s_1_4X, out), "failed out=%s\n", wine_dbgstr_w(out));
 237     ok(r==4,"failed: r=%d\n", r);
 238
 239     /* a long hex number, upper case */
 240     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_14X, 0,
 241         0, out, sizeof(out)/sizeof(WCHAR), 0x1ab);
 242     ok(!lstrcmpW(s_1AB, out), "failed out=%s\n", wine_dbgstr_w(out));
 243     ok(r==4,"failed: r=%d\n", r);
 244
 245     /* two percent... */
 246     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_2pct, 0,
 247         0, out, sizeof(out)/sizeof(WCHAR));
 248     ok(!lstrcmpW(s_2pct, out), "failed out=%s\n", wine_dbgstr_w(out));
 249     ok(r==4,"failed: r=%d\n", r);
 250
 251     /* periods are special cases */
 252     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_2dot1d, 0,
 253         0, out, sizeof(out)/sizeof(WCHAR), 0x1ab);
 254     ok(!lstrcmpW(s_2dot147, out), "failed out=%s\n", wine_dbgstr_w(out));
 255     ok(r==8,"failed: r=%d\n", r);
 256
 257     /* %0 ends the line */
 258     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_t0t, 0,
 259         0, out, sizeof(out)/sizeof(WCHAR));
 260     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 261     ok(r==4,"failed: r=%d\n", r);
 262
 263     /* %! prints an exclamation */
 264     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_yah, 0,
 265         0, out, sizeof(out)/sizeof(WCHAR));
 266     ok(!lstrcmpW(s_yah, out), "failed out=%s\n", wine_dbgstr_w(out));
 267     ok(r==4,"failed: r=%d\n", r);
 268
 269     /* %space */
 270     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_space, 0,
 271         0, out, sizeof(out)/sizeof(WCHAR));
 272     ok(!lstrcmpW(s_space, out), "failed out=%s\n", wine_dbgstr_w(out));
 273     ok(r==4,"failed: r=%d\n", r);
 274
 275     /* line feed */
 276     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_hi_lf, 0,
 277         0, out, sizeof(out)/sizeof(WCHAR));
 278     ok(!lstrcmpW(s_hi_crlf, out), "failed out=%s\n", wine_dbgstr_w(out));
 279     ok(r==4,"failed: r=%d\n", r);
 280
 281     /* carriage return line feed */
 282     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_hi_crlf, 0,
 283         0, out, sizeof(out)/sizeof(WCHAR));
 284     ok(!lstrcmpW(s_hi_crlf, out), "failed out=%s\n", wine_dbgstr_w(out));
 285     ok(r==4,"failed: r=%d\n", r);
 286
 287     /* carriage return */
 288     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_cr, 0,
 289         0, out, sizeof(out)/sizeof(WCHAR));
 290     ok(!lstrcmpW(s_crlf, out), "failed out=%s\n", wine_dbgstr_w(out));
 291     ok(r==2,"failed: r=%d\n", r);
 292
 293     /* double carriage return line feed */
 294     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_crcrlf, 0,
 295         0, out, sizeof(out)/sizeof(WCHAR));
 296     ok(!lstrcmpW(s_crlfcrlf, out), "failed out=%s\n", wine_dbgstr_w(out));
 297     ok(r==4,"failed: r=%d\n", r);
 298
 299     /* change of pace... test the low byte of dwflags */
 300
 301     /* line feed */
 302     r = doitW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_hi_lf, 0,
 303         0, out, sizeof(out)/sizeof(WCHAR));
 304     ok(!lstrcmpW(s_hi_sp, out) || !lstrcmpW(s_hi_crlf, out), "failed out=%s\n", wine_dbgstr_w(out));
 305     ok(r==3 || r==4,"failed: r=%d\n", r);
 306
 307     /* carriage return line feed */
 308     r = doitW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_hi_crlf, 0,
 309         0, out, sizeof(out)/sizeof(WCHAR));
 310     ok(!lstrcmpW(s_hi_sp, out), "failed out=%s\n", wine_dbgstr_w(out));
 311     ok(r==3,"failed: r=%d\n", r);
 312
 313     /* carriage return */
 314     r = doitW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_cr, 0,
 315         0, out, sizeof(out)/sizeof(WCHAR));
 316     ok(!lstrcmpW(s_sp, out), "failed out=%s\n", wine_dbgstr_w(out));
 317     ok(r==1,"failed: r=%d\n", r);
 318
 319     /* double carriage return line feed */
 320     r = doitW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_crcrlf, 0,
 321         0, out, sizeof(out)/sizeof(WCHAR));
 322     ok(!lstrcmpW(s_2sp, out), "failed out=%s\n", wine_dbgstr_w(out));
 323     ok(r==2,"failed: r=%d\n", r);
 324 }
 325
 326 static void test_message_from_string(void)
 327 {
 328     CHAR out[0x100] = {0};
 329     DWORD r;
 330     static const WCHAR szwTest[] = { 't','e','s','t',0};
 331
 332     /* the basics */
 333     r = FormatMessageA(FORMAT_MESSAGE_FROM_STRING, "test", 0,
 334         0, out, sizeof(out)/sizeof(CHAR),NULL);
 335     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 336     ok(r==4,"failed: r=%d\n",r);
 337
 338     /* using the format feature */
 339     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!s!", 0,
 340         0, out, sizeof(out)/sizeof(CHAR), "test");
 341     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 342     ok(r==4,"failed: r=%d\n",r);
 343
 344     /* no format */
 345     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1", 0,
 346         0, out, sizeof(out)/sizeof(CHAR), "test");
 347     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 348     ok(r==4,"failed: r=%d\n",r);
 349
 350     /* two pieces */
 351     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1%2", 0,
 352         0, out, sizeof(out)/sizeof(CHAR), "te","st");
 353     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 354     ok(r==4,"failed: r=%d\n",r);
 355
 356     /* three pieces */
 357     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1%3%2%1", 0,
 358         0, out, sizeof(out)/sizeof(CHAR), "t","s","e");
 359     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 360     ok(r==4,"failed: r=%d\n",r);
 361
 362     /* s doesn't seem to work in format strings */
 363     r = doit(FORMAT_MESSAGE_FROM_STRING, "%!s!", 0,
 364         0, out, sizeof(out)/sizeof(CHAR), "test");
 365     ok(!strcmp("!s!", out),"failed out=[%s]\n",out);
 366     ok(r==3,"failed: r=%d\n",r);
 367
 368     /* ls is unicode */
 369     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!ls!", 0,
 370         0, out, sizeof(out)/sizeof(CHAR), szwTest);
 371     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 372     ok(r==4,"failed: r=%d\n",r);
 373
 374     /* S is unicode */
 375     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!S!", 0,
 376         0, out, sizeof(out)/sizeof(CHAR), szwTest);
 377     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 378     ok(r==4,"failed: r=%d\n",r);
 379
 380     /* ws is unicode */
 381     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!ws!", 0,
 382         0, out, sizeof(out)/sizeof(CHAR), szwTest);
 383     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 384     ok(r==4,"failed: r=%d\n",r);
 385
 386     /* as characters */
 387     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!c!%2!c!%3!c!%1!c!", 0,
 388         0, out, sizeof(out)/sizeof(CHAR), 't','e','s');
 389     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 390     ok(r==4,"failed: r=%d\n",r);
 391
 392     /* lc is unicode */
 393     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!lc!%2!lc!%3!lc!%1!lc!", 0,
 394         0, out, sizeof(out)/sizeof(CHAR), 't','e','s');
 395     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 396     ok(r==4,"failed: r=%d\n",r);
 397
 398     /* wc is unicode */
 399     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!wc!%2!wc!%3!wc!%1!wc!", 0,
 400         0, out, sizeof(out)/sizeof(CHAR), 't','e','s');
 401     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 402     ok(r==4,"failed: r=%d\n",r);
 403
 404     /* C is unicode */
 405     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!C!%2!C!%3!C!%1!C!", 0,
 406         0, out, sizeof(out)/sizeof(CHAR), 't','e','s');
 407     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 408     ok(r==4,"failed: r=%d\n",r);
 409
 410     /* some numbers */
 411     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!d!%2!d!%3!d!", 0,
 412         0, out, sizeof(out)/sizeof(CHAR), 1,2,3);
 413     ok(!strcmp("123", out),"failed out=[%s]\n",out);
 414     ok(r==3,"failed: r=%d\n",r);
 415
 416     /* a single digit with some spacing */
 417     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4d!", 0,
 418         0, out, sizeof(out)/sizeof(CHAR), 1);
 419     ok(!strcmp("   1", out),"failed out=[%s]\n",out);
 420     ok(r==4,"failed: r=%d\n",r);
 421
 422     /* a single digit, left justified */
 423     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!-4d!", 0,
 424         0, out, sizeof(out)/sizeof(CHAR), 1);
 425     ok(!strcmp("1   ", out),"failed out=[%s]\n",out);
 426     ok(r==4,"failed: r=%d\n",r);
 427
 428     /* two digit decimal number */
 429     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4d!", 0,
 430         0, out, sizeof(out)/sizeof(CHAR), 11);
 431     ok(!strcmp("  11", out),"failed out=[%s]\n",out);
 432     ok(r==4,"failed: r=%d\n",r);
 433
 434     /* a hex number */
 435     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4x!", 0,
 436         0, out, sizeof(out)/sizeof(CHAR), 11);
 437     ok(!strcmp("   b", out),"failed out=[%s]\n",out);
 438     ok(r==4,"failed: r=%d\n",r);
 439
 440     /* a hex number, upper case */
 441     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4X!", 0,
 442         0, out, sizeof(out)/sizeof(CHAR), 11);
 443     ok(!strcmp("   B", out),"failed out=[%s]\n",out);
 444     ok(r==4,"failed: r=%d\n",r);
 445
 446     /* a hex number, upper case, left justified */
 447     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!-4X!", 0,
 448         0, out, sizeof(out)/sizeof(CHAR), 11);
 449     ok(!strcmp("B   ", out),"failed out=[%s]\n",out);
 450     ok(r==4,"failed: r=%d\n",r);
 451
 452     /* a long hex number, upper case */
 453     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4X!", 0,
 454         0, out, sizeof(out)/sizeof(CHAR), 0x1ab);
 455     ok(!strcmp(" 1AB", out),"failed out=[%s]\n",out);
 456     ok(r==4,"failed: r=%d\n",r);
 457
 458     /* two percent... */
 459     r = doit(FORMAT_MESSAGE_FROM_STRING, " %%%% ", 0,
 460         0, out, sizeof(out)/sizeof(CHAR));
 461     ok(!strcmp(" %% ", out),"failed out=[%s]\n",out);
 462     ok(r==4,"failed: r=%d\n",r);
 463
 464     /* periods are special cases */
 465     r = doit(FORMAT_MESSAGE_FROM_STRING, " %.%. %1!d!", 0,
 466         0, out, sizeof(out)/sizeof(CHAR), 0x1ab);
 467     ok(!strcmp(" .. 427", out),"failed out=[%s]\n",out);
 468     ok(r==7,"failed: r=%d\n",r);
 469
 470     /* %0 ends the line */
 471     r = doit(FORMAT_MESSAGE_FROM_STRING, "test%0test", 0,
 472         0, out, sizeof(out)/sizeof(CHAR));
 473     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 474     ok(r==4,"failed: r=%d\n",r);
 475
 476     /* %! prints an exclamation */
 477     r = doit(FORMAT_MESSAGE_FROM_STRING, "yah%!%0   ", 0,
 478         0, out, sizeof(out)/sizeof(CHAR));
 479     ok(!strcmp("yah!", out),"failed out=[%s]\n",out);
 480     ok(r==4,"failed: r=%d\n",r);
 481
 482     /* %space */
 483     r = doit(FORMAT_MESSAGE_FROM_STRING, "% %   ", 0,
 484         0, out, sizeof(out)/sizeof(CHAR));
 485     ok(!strcmp("    ", out),"failed out=[%s]\n",out);
 486     ok(r==4,"failed: r=%d\n",r);
 487
 488     /* line feed */
 489     r = doit(FORMAT_MESSAGE_FROM_STRING, "hi\n", 0,
 490         0, out, sizeof(out)/sizeof(CHAR));
 491     ok(!strcmp("hi\r\n", out),"failed out=[%s]\n",out);
 492     ok(r==4,"failed: r=%d\n",r);
 493
 494     /* carriage return line feed */
 495     r = doit(FORMAT_MESSAGE_FROM_STRING, "hi\r\n", 0,
 496         0, out, sizeof(out)/sizeof(CHAR));
 497     ok(!strcmp("hi\r\n", out),"failed out=[%s]\n",out);
 498     ok(r==4,"failed: r=%d\n",r);
 499
 500     /* carriage return */
 501     r = doit(FORMAT_MESSAGE_FROM_STRING, "\r", 0,
 502         0, out, sizeof(out)/sizeof(CHAR));
 503     ok(!strcmp("\r\n", out),"failed out=[%s]\n",out);
 504     ok(r==2,"failed: r=%d\n",r);
 505
 506     /* double carriage return line feed */
 507     r = doit(FORMAT_MESSAGE_FROM_STRING, "\r\r\n", 0,
 508         0, out, sizeof(out)/sizeof(CHAR));
 509     ok(!strcmp("\r\n\r\n", out),"failed out=[%s]\n",out);
 510     ok(r==4,"failed: r=%d\n",r);
 511
 512     /* change of pace... test the low byte of dwflags */
 513
 514     /* line feed */
 515     r = doit(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, "hi\n", 0,
 516         0, out, sizeof(out)/sizeof(CHAR));
 517     ok(!strcmp("hi ", out) || !strcmp("hi\r\n", out),"failed out=[%s]\n",out);
 518     ok(r==3 || r==4,"failed: r=%d\n",r);
 519
 520     /* carriage return line feed */
 521     r = doit(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, "hi\r\n", 0,
 522         0, out, sizeof(out)/sizeof(CHAR));
 523     ok(!strcmp("hi ", out),"failed out=[%s]\n",out);
 524     ok(r==3,"failed: r=%d\n",r);
 525
 526     /* carriage return */
 527     r = doit(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, "\r", 0,
 528         0, out, sizeof(out)/sizeof(CHAR));
 529     ok(!strcmp(" ", out),"failed out=[%s]\n",out);
 530     ok(r==1,"failed: r=%d\n",r);
 531
 532     /* double carriage return line feed */
 533     r = doit(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, "\r\r\n", 0,
 534         0, out, sizeof(out)/sizeof(CHAR));
 535     ok(!strcmp("  ", out),"failed out=[%s]\n",out);
 536     ok(r==2,"failed: r=%d\n",r);
 537 }
 538
 539 static void test_message_null_buffer(void)
 540 {
 541     DWORD ret, error;
 542
 543     SetLastError(0xdeadbeef);
 544     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, 0, 0, NULL, 0, NULL);
 545     error = GetLastError();
 546     ok(!ret, "FormatMessageA returned %u\n", ret);
 547     ok(error == ERROR_NOT_ENOUGH_MEMORY ||
 548        error == ERROR_INVALID_PARAMETER, /* win9x */
 549        "last error %u\n", error);
 550
 551     SetLastError(0xdeadbeef);
 552     ret = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, 0, 0, NULL, 0, NULL);
 553     error = GetLastError();
 554     if (!ret && error == ERROR_CALL_NOT_IMPLEMENTED)
 555     {
 556         win_skip("FormatMessageW is not implemented\n");
 557         return;
 558     }
 559
 560     ok(!ret, "FormatMessageW returned %u\n", ret);
 561     ok(error == ERROR_INVALID_PARAMETER, "last error %u\n", error);
 562 }
 563
 564 START_TEST(format_msg)
 565 {
 566     test_message_from_string();
 567     test_message_from_string_wide();
 568     test_message_null_buffer();
 569 }