modules/rostests/winetests/kernel32/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 ULL(a,b)   (((ULONG64)(a) << 32) | (b))
  28
  29 static DWORD WINAPIV doit(DWORD flags, LPCVOID src, DWORD msg_id, DWORD lang_id,
  30                           LPSTR out, DWORD outsize, ... )
  31 {
  32     __ms_va_list list;
  33     DWORD r;
  34
  35     __ms_va_start(list, outsize);
  36     r = FormatMessageA(flags, src, msg_id,
  37         lang_id, out, outsize, &list);
  38     __ms_va_end(list);
  39     return r;
  40 }
  41
  42 static DWORD WINAPIV doitW(DWORD flags, LPCVOID src, DWORD msg_id, DWORD lang_id,
  43                            LPWSTR out, DWORD outsize, ... )
  44 {
  45     __ms_va_list list;
  46     DWORD r;
  47
  48     __ms_va_start(list, outsize);
  49     r = FormatMessageW(flags, src, msg_id,
  50         lang_id, out, outsize, &list);
  51     __ms_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 empty[]       = {0};
  59     static const WCHAR te[]          = {'t','e',0};
  60     static const WCHAR st[]          = {'s','t',0};
  61     static const WCHAR t[]           = {'t',0};
  62     static const WCHAR e[]           = {'e',0};
  63     static const WCHAR s[]           = {'s',0};
  64     static const WCHAR fmt_null[]    = {'%',0};
  65     static const WCHAR fmt_tnull[]   = {'t','e','s','t','%',0};
  66     static const WCHAR fmt_1[]       = {'%','1',0};
  67     static const WCHAR fmt_12[]      = {'%','1','%','2',0};
  68     static const WCHAR fmt_123[]     = {'%','1','%','3','%','2','%','1',0};
  69     static const WCHAR fmt_123c[]    = {'%','1','!','c','!','%','2','!','c','!','%','3','!','c','!','%','1','!','c','!',0};
  70     static const WCHAR fmt_123lc[]   = {'%','1','!','l','c','!','%','2','!','l','c','!','%','3','!','l','c','!','%','1','!','l','c','!',0};
  71     static const WCHAR fmt_123wc[]   = {'%','1','!','w','c','!','%','2','!','w','c','!','%','3','!','w','c','!','%','1','!','w','c','!',0};
  72     static const WCHAR fmt_123C[]    = {'%','1','!','C','!','%','2','!','C','!','%','3','!','C','!','%','1','!','C','!',0};
  73     static const WCHAR fmt_123d[]    = {'%','1','!','d','!','%','2','!','d','!','%','3','!','d','!',0};
  74     static const WCHAR fmt_1s[]      = {'%','1','!','s','!',0};
  75     static const WCHAR fmt_s[]       = {'%','!','s','!',0};
  76     static const WCHAR fmt_ls[]      = {'%','!','l','s','!',0};
  77     static const WCHAR fmt_ws[]      = {'%','!','w','s','!',0};
  78     static const WCHAR fmt_S[]       = {'%','!','S','!',0};
  79     static const WCHAR fmt_14d[]     = {'%','1','!','4','d','!',0};
  80     static const WCHAR fmt_14x[]     = {'%','1','!','4','x','!',0};
  81     static const WCHAR fmt_14X[]     = {'%','1','!','4','X','!',0};
  82     static const WCHAR fmt_1_4X[]    = {'%','1','!','-','4','X','!',0};
  83     static const WCHAR fmt_1_4d[]    = {'%','1','!','-','4','d','!',0};
  84     static const WCHAR fmt_2pct[]    = {' ','%','%','%','%',' ',0};
  85     static const WCHAR fmt_2dot1d[]  = {' ', '%','.','%','.',' ',' ','%','1','!','d','!',0};
  86     static const WCHAR fmt_t0t[]     = {'t','e','s','t','%','0','t','e','s','t',0};
  87     static const WCHAR fmt_yah[]     = {'y','a','h','%','!','%','0',' ',' ',' ',0};
  88     static const WCHAR fmt_space[]   = {'%',' ','%',' ',' ',' ',0};
  89     static const WCHAR fmt_nrt[]     = {'%','n','%','r','%','t',0};
  90     static const WCHAR fmt_hi_lf[]   = {'h','i','\n',0};
  91     static const WCHAR fmt_hi_crlf[] = {'h','i','\r','\n',0};
  92     static const WCHAR fmt_cr[]      = {'\r',0};
  93     static const WCHAR fmt_crcrlf[]  = {'\r','\r','\n',0};
  94     static const WCHAR fmt_13s[]     = {'%','1','!','3','s','!',0};
  95     static const WCHAR fmt_1os[]     = {'%','1','!','*','s','!',0};
  96     static const WCHAR fmt_142u[]    = {'%','1','!','4','.','2','u','!',0};
  97     static const WCHAR fmt_1oou[]    = {'%','1','!','*','.','*','u','!',0};
  98     static const WCHAR fmt_1oou1oou[] = {'%','1','!','*','.','*','u','!',',','%','1','!','*','.','*','u','!',0};
  99     static const WCHAR fmt_1oou3oou[] = {'%','1','!','*','.','*','u','!',',','%','3','!','*','.','*','u','!',0};
 100     static const WCHAR fmt_1oou4oou[] = {'%','1','!','*','.','*','u','!',',','%','4','!','*','.','*','u','!',0};
 101
 102     static const WCHAR s_123d[]      = {'1','2','3',0};
 103     static const WCHAR s_14d[]       = {' ',' ',' ','1',0};
 104     static const WCHAR s_14x[]       = {' ',' ',' ','b',0};
 105     static const WCHAR s_14X[]       = {' ',' ',' ','B',0};
 106     static const WCHAR s_1_4X[]      = {'B',' ',' ',' ',0};
 107     static const WCHAR s_14d2[]      = {' ',' ','1','1',0};
 108     static const WCHAR s_1_4d[]      = {'1',' ',' ',' ',0};
 109     static const WCHAR s_1AB[]       = {' ','1','A','B',0};
 110     static const WCHAR s_2pct[]      = {' ','%','%',' ',0};
 111     static const WCHAR s_2dot147[]   = {' ','.','.',' ',' ','4','2','7',0};
 112     static const WCHAR s_yah[]       = {'y','a','h','!',0};
 113     static const WCHAR s_space[]     = {' ',' ',' ',' ',0};
 114     static const WCHAR s_nrt[]       = {'\r','\n','\r','\t',0};
 115     static const WCHAR s_hi_crlf[]   = {'h','i','\r','\n',0};
 116     static const WCHAR s_crlf[]      = {'\r','\n',0};
 117     static const WCHAR s_crlfcrlf[]  = {'\r','\n','\r','\n',0};
 118     static const WCHAR s_hi_sp[]     = {'h','i',' ',0};
 119     static const WCHAR s_sp[]        = {' ',0};
 120     static const WCHAR s_2sp[]       = {' ',' ',0};
 121     static const WCHAR s_spt[]       = {' ',' ','t',0};
 122     static const WCHAR s_sp3t[]      = {' ',' ',' ','t',0};
 123     static const WCHAR s_sp03[]      = {' ',' ','0','3',0};
 124     static const WCHAR s_sp001[]     = {' ',' ','0','0','1',0};
 125     static const WCHAR s_sp001002[]  = {' ',' ','0','0','1',',',' ','0','0','0','2',0};
 126     static const WCHAR s_sp001sp002[] = {' ',' ','0','0','1',',',' ',' ','0','0','0','2',0};
 127     static const WCHAR s_sp002sp001[] = {' ',' ','0','0','0','2',',',' ',' ','0','0','1',0};
 128     static const WCHAR s_sp002sp003[] = {' ',' ','0','0','0','2',',',' ','0','0','0','0','3',0};
 129     static const WCHAR s_sp001004[]   = {' ',' ','0','0','1',',','0','0','0','0','0','4',0};
 130     static const WCHAR s_null[]       = {'(','n','u','l','l',')',0};
 131
 132     static const WCHAR init_buf[] = {'x', 'x', 'x', 'x', 'x', 'x'};
 133     static const WCHAR broken_buf[] = {'t','e','s','t','x','x'};
 134
 135     WCHAR out[0x100] = {0};
 136     DWORD r, error;
 137
 138     /* the basics */
 139     r = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, test, 0,
 140         0, out, sizeof(out)/sizeof(WCHAR), NULL);
 141     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 142     ok(r==4, "failed: r=%d\n", r);
 143
 144     /* null string, crashes on Windows */
 145     if (0)
 146     {
 147         SetLastError(0xdeadbeef);
 148         memcpy(out, init_buf, sizeof(init_buf));
 149         FormatMessageW(FORMAT_MESSAGE_FROM_STRING, NULL, 0,
 150             0, out, sizeof(out)/sizeof(WCHAR), NULL);
 151     }
 152
 153     /* empty string */
 154     SetLastError(0xdeadbeef);
 155     memcpy(out, init_buf, sizeof(init_buf));
 156     r = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, empty, 0,
 157         0, out, sizeof(out)/sizeof(WCHAR), NULL);
 158     error = GetLastError();
 159     ok(!lstrcmpW(empty, out), "failed out=%s\n", wine_dbgstr_w(out));
 160     ok(r==0, "succeeded: r=%d\n", r);
 161     ok(error==0xdeadbeef, "last error %u\n", error);
 162
 163     /* format placeholder with no specifier */
 164     SetLastError(0xdeadbeef);
 165     memcpy(out, init_buf, sizeof(init_buf));
 166     r = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, fmt_null, 0,
 167         0, out, sizeof(out)/sizeof(WCHAR), NULL);
 168     error = GetLastError();
 169     ok(!memcmp(out, init_buf, sizeof(init_buf)),
 170        "Expected the buffer to be unchanged\n");
 171     ok(r==0, "succeeded: r=%d\n", r);
 172     ok(error==ERROR_INVALID_PARAMETER, "last error %u\n", error);
 173
 174     /* test string with format placeholder with no specifier */
 175     SetLastError(0xdeadbeef);
 176     memcpy(out, init_buf, sizeof(init_buf));
 177     r = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, fmt_tnull, 0,
 178         0, out, sizeof(out)/sizeof(WCHAR), NULL);
 179     error = GetLastError();
 180     ok(!memcmp(out, init_buf, sizeof(init_buf)) ||
 181        broken(!memcmp(out, broken_buf, sizeof(broken_buf))), /* W2K3+ */
 182        "Expected the buffer to be unchanged\n");
 183     ok(r==0, "succeeded: r=%d\n", r);
 184     ok(error==ERROR_INVALID_PARAMETER, "last error %u\n", error);
 185
 186     /* insertion with no variadic arguments */
 187     SetLastError(0xdeadbeef);
 188     memcpy(out, init_buf, sizeof(init_buf));
 189     r = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, fmt_1, 0,
 190         0, out, sizeof(out)/sizeof(WCHAR), NULL);
 191     error = GetLastError();
 192     ok(!memcmp(out, init_buf, sizeof(init_buf)),
 193        "Expected the buffer to be unchanged\n");
 194     ok(r==0, "succeeded: r=%d\n", r);
 195     ok(error==ERROR_INVALID_PARAMETER, "last error %u\n", error);
 196
 197     SetLastError(0xdeadbeef);
 198     memcpy(out, init_buf, sizeof(init_buf));
 199     r = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ARGUMENT_ARRAY, fmt_1, 0,
 200         0, out, sizeof(out)/sizeof(WCHAR), NULL);
 201     error = GetLastError();
 202     ok(!memcmp(out, init_buf, sizeof(init_buf)),
 203        "Expected the buffer to be unchanged\n");
 204     ok(r==0, "succeeded: r=%d\n", r);
 205     ok(error==ERROR_INVALID_PARAMETER, "last error %u\n", error);
 206
 207     /* using the format feature */
 208     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1s, 0,
 209         0, out, sizeof(out)/sizeof(WCHAR), test);
 210     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 211     ok(r==4,"failed: r=%d\n", r);
 212
 213     /* no format */
 214     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1, 0,
 215         0, out, sizeof(out)/sizeof(WCHAR), test);
 216     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 217     ok(r==4,"failed: r=%d\n", r);
 218
 219     /* two pieces */
 220     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_12, 0,
 221         0, out, sizeof(out)/sizeof(WCHAR), te, st);
 222     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 223     ok(r==4,"failed: r=%d\n", r);
 224
 225     /* three pieces */
 226     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123, 0,
 227         0, out, sizeof(out)/sizeof(WCHAR), t, s, e);
 228     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 229     ok(r==4,"failed: r=%d\n", r);
 230
 231     /* s doesn't seem to work in format strings */
 232     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_s, 0,
 233         0, out, sizeof(out)/sizeof(WCHAR), test);
 234     ok(!lstrcmpW(&fmt_s[1], out), "failed out=%s\n", wine_dbgstr_w(out));
 235     ok(r==3, "failed: r=%d\n", r);
 236
 237     /* nor ls */
 238     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_ls, 0,
 239         0, out, sizeof(out)/sizeof(WCHAR), test);
 240     ok(!lstrcmpW(&fmt_ls[1], out), "failed out=%s\n", wine_dbgstr_w(out));
 241     ok(r==4, "failed: r=%d\n", r);
 242
 243     /* nor S */
 244     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_S, 0,
 245         0, out, sizeof(out)/sizeof(WCHAR), test);
 246     ok(!lstrcmpW(&fmt_S[1], out), "failed out=%s\n", wine_dbgstr_w(out));
 247     ok(r==3, "failed: r=%d\n", r);
 248
 249     /* nor ws */
 250     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_ws, 0,
 251         0, out, sizeof(out)/sizeof(WCHAR), test);
 252     ok(!lstrcmpW(&fmt_ws[1], out), "failed out=%s\n", wine_dbgstr_w(out));
 253     ok(r==4, "failed: r=%d\n", r);
 254
 255     /* as characters */
 256     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123c, 0,
 257         0, out, sizeof(out)/sizeof(WCHAR), 't', 'e', 's');
 258     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 259     ok(r==4,"failed: r=%d\n", r);
 260
 261     /* lc is unicode */
 262     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123lc, 0,
 263         0, out, sizeof(out)/sizeof(WCHAR), 't', 'e', 's');
 264     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 265     ok(r==4,"failed: r=%d\n", r);
 266
 267     /* wc is unicode */
 268     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123wc, 0,
 269         0, out, sizeof(out)/sizeof(WCHAR), 't', 'e', 's');
 270     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 271     ok(r==4,"failed: r=%d\n", r);
 272
 273     /* C is unicode */
 274     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123C, 0,
 275         0, out, sizeof(out)/sizeof(WCHAR), 't', 'e', 's');
 276     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 277     ok(r==4,"failed: r=%d\n", r);
 278
 279     /* some numbers */
 280     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123d, 0,
 281         0, out, sizeof(out)/sizeof(WCHAR), 1, 2, 3);
 282     ok(!lstrcmpW(s_123d, out), "failed out=%s\n", wine_dbgstr_w(out));
 283     ok(r==3,"failed: r=%d\n", r);
 284
 285     /* a single digit with some spacing */
 286     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_14d, 0,
 287         0, out, sizeof(out)/sizeof(WCHAR), 1);
 288     ok(!lstrcmpW(s_14d, out), "failed out=%s\n", wine_dbgstr_w(out));
 289     ok(r==4,"failed: r=%d\n", r);
 290
 291     /* a single digit, left justified */
 292     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1_4d, 0,
 293         0, out, sizeof(out)/sizeof(CHAR), 1);
 294     ok(!lstrcmpW(s_1_4d, out), "failed out=%s\n", wine_dbgstr_w(out));
 295     ok(r==4,"failed: r=%d\n", r);
 296
 297     /* two digit decimal number */
 298     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_14d, 0,
 299         0, out, sizeof(out)/sizeof(WCHAR), 11);
 300     ok(!lstrcmpW(s_14d2, out), "failed out=%s\n", wine_dbgstr_w(out));
 301     ok(r==4,"failed: r=%d\n", r);
 302
 303     /* a hex number */
 304     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_14x, 0,
 305         0, out, sizeof(out)/sizeof(WCHAR), 11);
 306     ok(!lstrcmpW(s_14x, out), "failed out=%s\n", wine_dbgstr_w(out));
 307     ok(r==4,"failed: r=%d\n", r);
 308
 309     /* a hex number, upper case */
 310     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_14X, 0,
 311         0, out, sizeof(out)/sizeof(WCHAR), 11);
 312     ok(!lstrcmpW(s_14X, out), "failed out=%s\n", wine_dbgstr_w(out));
 313     ok(r==4,"failed: r=%d\n", r);
 314
 315     /* a hex number, upper case, left justified */
 316     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1_4X, 0,
 317         0, out, sizeof(out)/sizeof(WCHAR), 11);
 318     ok(!lstrcmpW(s_1_4X, out), "failed out=%s\n", wine_dbgstr_w(out));
 319     ok(r==4,"failed: r=%d\n", r);
 320
 321     /* a long hex number, upper case */
 322     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_14X, 0,
 323         0, out, sizeof(out)/sizeof(WCHAR), 0x1ab);
 324     ok(!lstrcmpW(s_1AB, out), "failed out=%s\n", wine_dbgstr_w(out));
 325     ok(r==4,"failed: r=%d\n", r);
 326
 327     /* two percent... */
 328     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_2pct, 0,
 329         0, out, sizeof(out)/sizeof(WCHAR));
 330     ok(!lstrcmpW(s_2pct, out), "failed out=%s\n", wine_dbgstr_w(out));
 331     ok(r==4,"failed: r=%d\n", r);
 332
 333     /* periods are special cases */
 334     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_2dot1d, 0,
 335         0, out, sizeof(out)/sizeof(WCHAR), 0x1ab);
 336     ok(!lstrcmpW(s_2dot147, out), "failed out=%s\n", wine_dbgstr_w(out));
 337     ok(r==8,"failed: r=%d\n", r);
 338
 339     /* %0 ends the line */
 340     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_t0t, 0,
 341         0, out, sizeof(out)/sizeof(WCHAR));
 342     ok(!lstrcmpW(test, out), "failed out=%s\n", wine_dbgstr_w(out));
 343     ok(r==4,"failed: r=%d\n", r);
 344
 345     /* %! prints an exclamation */
 346     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_yah, 0,
 347         0, out, sizeof(out)/sizeof(WCHAR));
 348     ok(!lstrcmpW(s_yah, out), "failed out=%s\n", wine_dbgstr_w(out));
 349     ok(r==4,"failed: r=%d\n", r);
 350
 351     /* %space */
 352     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_space, 0,
 353         0, out, sizeof(out)/sizeof(WCHAR));
 354     ok(!lstrcmpW(s_space, out), "failed out=%s\n", wine_dbgstr_w(out));
 355     ok(r==4,"failed: r=%d\n", r);
 356
 357     /* %n yields \r\n, %r yields \r, %t yields \t */
 358     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_nrt, 0,
 359         0, out, sizeof(out)/sizeof(WCHAR));
 360     ok(!lstrcmpW(s_nrt, out), "failed out=%s\n", wine_dbgstr_w(out));
 361     ok(r==4,"failed: r=%d\n", r);
 362
 363     /* line feed */
 364     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_hi_lf, 0,
 365         0, out, sizeof(out)/sizeof(WCHAR));
 366     ok(!lstrcmpW(s_hi_crlf, out), "failed out=%s\n", wine_dbgstr_w(out));
 367     ok(r==4,"failed: r=%d\n", r);
 368
 369     /* carriage return line feed */
 370     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_hi_crlf, 0,
 371         0, out, sizeof(out)/sizeof(WCHAR));
 372     ok(!lstrcmpW(s_hi_crlf, out), "failed out=%s\n", wine_dbgstr_w(out));
 373     ok(r==4,"failed: r=%d\n", r);
 374
 375     /* carriage return */
 376     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_cr, 0,
 377         0, out, sizeof(out)/sizeof(WCHAR));
 378     ok(!lstrcmpW(s_crlf, out), "failed out=%s\n", wine_dbgstr_w(out));
 379     ok(r==2,"failed: r=%d\n", r);
 380
 381     /* double carriage return line feed */
 382     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_crcrlf, 0,
 383         0, out, sizeof(out)/sizeof(WCHAR));
 384     ok(!lstrcmpW(s_crlfcrlf, out), "failed out=%s\n", wine_dbgstr_w(out));
 385     ok(r==4,"failed: r=%d\n", r);
 386
 387     /* null string as argument */
 388     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1, 0,
 389         0, out, sizeof(out)/sizeof(WCHAR), NULL);
 390     ok(!lstrcmpW(s_null, out),"failed out=[%s]\n", wine_dbgstr_w(out));
 391     ok(r==6,"failed: r=%d\n",r);
 392
 393     /* precision and width */
 394
 395     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_13s,
 396               0, 0, out, sizeof(out)/sizeof(WCHAR), t );
 397     ok(!lstrcmpW(s_spt, out),"failed out=[%s]\n", wine_dbgstr_w(out));
 398     ok(r==3, "failed: r=%d\n",r);
 399     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1os,
 400               0, 0, out, sizeof(out)/sizeof(WCHAR), 4, t );
 401     ok(!lstrcmpW( s_sp3t, out),"failed out=[%s]\n", wine_dbgstr_w(out));
 402     ok(r==4,"failed: r=%d\n",r);
 403     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_142u,
 404               0, 0, out, sizeof(out)/sizeof(WCHAR), 3 );
 405     ok(!lstrcmpW( s_sp03, out),"failed out=[%s]\n", wine_dbgstr_w(out));
 406     ok(r==4,"failed: r=%d\n",r);
 407     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1oou,
 408               0, 0, out, sizeof(out)/sizeof(WCHAR), 5, 3, 1 );
 409     ok(!lstrcmpW( s_sp001, out),"failed out=[%s]\n", wine_dbgstr_w(out));
 410     ok(r==5,"failed: r=%d\n",r);
 411     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1oou1oou,
 412               0, 0, out, sizeof(out)/sizeof(WCHAR), 5, 3, 1, 4, 2 );
 413     ok(!lstrcmpW( s_sp001002, out),"failed out=[%s]\n", wine_dbgstr_w(out));
 414     ok(r==11,"failed: r=%d\n",r);
 415     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1oou3oou,
 416               0, 0, out, sizeof(out)/sizeof(WCHAR), 5, 3, 1, 6, 4, 2 );
 417     ok(!lstrcmpW( s_sp001sp002, out) ||
 418        broken(!lstrcmpW(s_sp001004, out)), /* NT4/Win2k */
 419        "failed out=[%s]\n", wine_dbgstr_w(out));
 420     ok(r==12,"failed: r=%d\n",r);
 421     /* args are not counted the same way with an argument array */
 422     {
 423         ULONG_PTR args[] = { 6, 4, 2, 5, 3, 1 };
 424         r = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ARGUMENT_ARRAY, fmt_1oou1oou,
 425                            0, 0, out, sizeof(out)/sizeof(WCHAR), (__ms_va_list *)args );
 426         ok(!lstrcmpW(s_sp002sp003, out),"failed out=[%s]\n", wine_dbgstr_w(out));
 427         ok(r==13,"failed: r=%d\n",r);
 428         r = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ARGUMENT_ARRAY, fmt_1oou4oou,
 429                            0, 0, out, sizeof(out)/sizeof(WCHAR), (__ms_va_list *)args );
 430         ok(!lstrcmpW(s_sp002sp001, out),"failed out=[%s]\n", wine_dbgstr_w(out));
 431         ok(r==12,"failed: r=%d\n",r);
 432     }
 433
 434     /* change of pace... test the low byte of dwflags */
 435
 436     /* line feed */
 437     r = doitW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_hi_lf, 0,
 438         0, out, sizeof(out)/sizeof(WCHAR));
 439     ok(!lstrcmpW(s_hi_sp, out), "failed out=%s\n", wine_dbgstr_w(out));
 440     ok(r==3,"failed: r=%d\n", r);
 441
 442     /* carriage return line feed */
 443     r = doitW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_hi_crlf, 0,
 444         0, out, sizeof(out)/sizeof(WCHAR));
 445     ok(!lstrcmpW(s_hi_sp, out), "failed out=%s\n", wine_dbgstr_w(out));
 446     ok(r==3,"failed: r=%d\n", r);
 447
 448     /* carriage return */
 449     r = doitW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_cr, 0,
 450         0, out, sizeof(out)/sizeof(WCHAR));
 451     ok(!lstrcmpW(s_sp, out), "failed out=%s\n", wine_dbgstr_w(out));
 452     ok(r==1,"failed: r=%d\n", r);
 453
 454     /* double carriage return line feed */
 455     r = doitW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_crcrlf, 0,
 456         0, out, sizeof(out)/sizeof(WCHAR));
 457     ok(!lstrcmpW(s_2sp, out), "failed out=%s\n", wine_dbgstr_w(out));
 458     ok(r==2,"failed: r=%d\n", r);
 459 }
 460
 461 static void test_message_from_string(void)
 462 {
 463     CHAR out[0x100] = {0};
 464     DWORD r;
 465     static const char init_buf[] = {'x', 'x', 'x', 'x', 'x', 'x'};
 466     static const WCHAR szwTest[] = { 't','e','s','t',0};
 467
 468     /* the basics */
 469     r = FormatMessageA(FORMAT_MESSAGE_FROM_STRING, "test", 0,
 470         0, out, sizeof(out)/sizeof(CHAR),NULL);
 471     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 472     ok(r==4,"failed: r=%d\n",r);
 473
 474     /* null string, crashes on Windows */
 475     if (0)
 476     {
 477         SetLastError(0xdeadbeef);
 478         memcpy(out, init_buf, sizeof(init_buf));
 479         FormatMessageA(FORMAT_MESSAGE_FROM_STRING, NULL, 0,
 480             0, out, sizeof(out)/sizeof(CHAR), NULL);
 481     }
 482
 483     /* empty string */
 484     SetLastError(0xdeadbeef);
 485     memcpy(out, init_buf, sizeof(init_buf));
 486     r = FormatMessageA(FORMAT_MESSAGE_FROM_STRING, "", 0,
 487         0, out, sizeof(out)/sizeof(CHAR), NULL);
 488     ok(!memcmp(out, init_buf, sizeof(init_buf)), "Expected the buffer to be untouched\n");
 489     ok(r==0, "succeeded: r=%d\n", r);
 490     ok(GetLastError()==0xdeadbeef,
 491        "last error %u\n", GetLastError());
 492
 493     /* format placeholder with no specifier */
 494     SetLastError(0xdeadbeef);
 495     memcpy(out, init_buf, sizeof(init_buf));
 496     r = FormatMessageA(FORMAT_MESSAGE_FROM_STRING, "%", 0,
 497         0, out, sizeof(out)/sizeof(CHAR), NULL);
 498     ok(!memcmp(out, init_buf, sizeof(init_buf)),
 499        "Expected the buffer to be untouched\n");
 500     ok(r==0, "succeeded: r=%d\n", r);
 501     ok(GetLastError()==ERROR_INVALID_PARAMETER,
 502        "last error %u\n", GetLastError());
 503
 504     /* test string with format placeholder with no specifier */
 505     SetLastError(0xdeadbeef);
 506     memcpy(out, init_buf, sizeof(init_buf));
 507     r = FormatMessageA(FORMAT_MESSAGE_FROM_STRING, "test%", 0,
 508         0, out, sizeof(out)/sizeof(CHAR), NULL);
 509     ok(!memcmp(out, init_buf, sizeof(init_buf)),
 510        "Expected the buffer to be untouched\n");
 511     ok(r==0, "succeeded: r=%d\n", r);
 512     ok(GetLastError()==ERROR_INVALID_PARAMETER,
 513        "last error %u\n", GetLastError());
 514
 515     /* insertion with no variadic arguments */
 516     SetLastError(0xdeadbeef);
 517     memcpy(out, init_buf, sizeof(init_buf));
 518     r = FormatMessageA(FORMAT_MESSAGE_FROM_STRING, "%1", 0,
 519         0, out, sizeof(out)/sizeof(CHAR), NULL);
 520     ok(!memcmp(out, init_buf, sizeof(init_buf)), "Expected the buffer to be untouched\n");
 521     ok(r==0, "succeeded: r=%d\n", r);
 522     ok(GetLastError()==ERROR_INVALID_PARAMETER, "last error %u\n", GetLastError());
 523
 524     SetLastError(0xdeadbeef);
 525     memcpy(out, init_buf, sizeof(init_buf));
 526     r = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ARGUMENT_ARRAY, "%1", 0,
 527         0, out, sizeof(out)/sizeof(CHAR), NULL);
 528     ok(!memcmp(out, init_buf, sizeof(init_buf)), "Expected the buffer to be untouched\n");
 529     ok(r==0, "succeeded: r=%d\n", r);
 530     ok(GetLastError()==ERROR_INVALID_PARAMETER, "last error %u\n", GetLastError());
 531
 532     /* using the format feature */
 533     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!s!", 0,
 534         0, out, sizeof(out)/sizeof(CHAR), "test");
 535     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 536     ok(r==4,"failed: r=%d\n",r);
 537
 538     /* no format */
 539     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1", 0,
 540         0, out, sizeof(out)/sizeof(CHAR), "test");
 541     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 542     ok(r==4,"failed: r=%d\n",r);
 543
 544     /* two pieces */
 545     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1%2", 0,
 546         0, out, sizeof(out)/sizeof(CHAR), "te","st");
 547     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 548     ok(r==4,"failed: r=%d\n",r);
 549
 550     /* three pieces */
 551     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1%3%2%1", 0,
 552         0, out, sizeof(out)/sizeof(CHAR), "t","s","e");
 553     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 554     ok(r==4,"failed: r=%d\n",r);
 555
 556     /* s doesn't seem to work in format strings */
 557     r = doit(FORMAT_MESSAGE_FROM_STRING, "%!s!", 0,
 558         0, out, sizeof(out)/sizeof(CHAR), "test");
 559     ok(!strcmp("!s!", out),"failed out=[%s]\n",out);
 560     ok(r==3,"failed: r=%d\n",r);
 561
 562     /* ls is unicode */
 563     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!ls!", 0,
 564         0, out, sizeof(out)/sizeof(CHAR), szwTest);
 565     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 566     ok(r==4,"failed: r=%d\n",r);
 567
 568     /* S is unicode */
 569     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!S!", 0,
 570         0, out, sizeof(out)/sizeof(CHAR), szwTest);
 571     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 572     ok(r==4,"failed: r=%d\n",r);
 573
 574     /* ws is unicode */
 575     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!ws!", 0,
 576         0, out, sizeof(out)/sizeof(CHAR), szwTest);
 577     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 578     ok(r==4,"failed: r=%d\n",r);
 579
 580     /* as characters */
 581     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!c!%2!c!%3!c!%1!c!", 0,
 582         0, out, sizeof(out)/sizeof(CHAR), 't','e','s');
 583     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 584     ok(r==4,"failed: r=%d\n",r);
 585
 586     /* lc is unicode */
 587     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!lc!%2!lc!%3!lc!%1!lc!", 0,
 588         0, out, sizeof(out)/sizeof(CHAR), 't','e','s');
 589     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 590     ok(r==4,"failed: r=%d\n",r);
 591
 592     /* wc is unicode */
 593     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!wc!%2!wc!%3!wc!%1!wc!", 0,
 594         0, out, sizeof(out)/sizeof(CHAR), 't','e','s');
 595     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 596     ok(r==4,"failed: r=%d\n",r);
 597
 598     /* C is unicode */
 599     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!C!%2!C!%3!C!%1!C!", 0,
 600         0, out, sizeof(out)/sizeof(CHAR), 't','e','s');
 601     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 602     ok(r==4,"failed: r=%d\n",r);
 603
 604     /* some numbers */
 605     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!d!%2!d!%3!d!", 0,
 606         0, out, sizeof(out)/sizeof(CHAR), 1,2,3);
 607     ok(!strcmp("123", out),"failed out=[%s]\n",out);
 608     ok(r==3,"failed: r=%d\n",r);
 609
 610     /* a single digit with some spacing */
 611     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4d!", 0,
 612         0, out, sizeof(out)/sizeof(CHAR), 1);
 613     ok(!strcmp("   1", out),"failed out=[%s]\n",out);
 614     ok(r==4,"failed: r=%d\n",r);
 615
 616     /* a single digit, left justified */
 617     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!-4d!", 0,
 618         0, out, sizeof(out)/sizeof(CHAR), 1);
 619     ok(!strcmp("1   ", out),"failed out=[%s]\n",out);
 620     ok(r==4,"failed: r=%d\n",r);
 621
 622     /* two digit decimal number */
 623     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4d!", 0,
 624         0, out, sizeof(out)/sizeof(CHAR), 11);
 625     ok(!strcmp("  11", out),"failed out=[%s]\n",out);
 626     ok(r==4,"failed: r=%d\n",r);
 627
 628     /* a hex number */
 629     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4x!", 0,
 630         0, out, sizeof(out)/sizeof(CHAR), 11);
 631     ok(!strcmp("   b", out),"failed out=[%s]\n",out);
 632     ok(r==4,"failed: r=%d\n",r);
 633
 634     /* a hex number, upper case */
 635     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4X!", 0,
 636         0, out, sizeof(out)/sizeof(CHAR), 11);
 637     ok(!strcmp("   B", out),"failed out=[%s]\n",out);
 638     ok(r==4,"failed: r=%d\n",r);
 639
 640     /* a hex number, upper case, left justified */
 641     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!-4X!", 0,
 642         0, out, sizeof(out)/sizeof(CHAR), 11);
 643     ok(!strcmp("B   ", out),"failed out=[%s]\n",out);
 644     ok(r==4,"failed: r=%d\n",r);
 645
 646     /* a long hex number, upper case */
 647     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4X!", 0,
 648         0, out, sizeof(out)/sizeof(CHAR), 0x1ab);
 649     ok(!strcmp(" 1AB", out),"failed out=[%s]\n",out);
 650     ok(r==4,"failed: r=%d\n",r);
 651
 652     /* two percent... */
 653     r = doit(FORMAT_MESSAGE_FROM_STRING, " %%%% ", 0,
 654         0, out, sizeof(out)/sizeof(CHAR));
 655     ok(!strcmp(" %% ", out),"failed out=[%s]\n",out);
 656     ok(r==4,"failed: r=%d\n",r);
 657
 658     /* periods are special cases */
 659     r = doit(FORMAT_MESSAGE_FROM_STRING, " %.%. %1!d!", 0,
 660         0, out, sizeof(out)/sizeof(CHAR), 0x1ab);
 661     ok(!strcmp(" .. 427", out),"failed out=[%s]\n",out);
 662     ok(r==7,"failed: r=%d\n",r);
 663
 664     /* %0 ends the line */
 665     r = doit(FORMAT_MESSAGE_FROM_STRING, "test%0test", 0,
 666         0, out, sizeof(out)/sizeof(CHAR));
 667     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 668     ok(r==4,"failed: r=%d\n",r);
 669
 670     /* %! prints an exclamation */
 671     r = doit(FORMAT_MESSAGE_FROM_STRING, "yah%!%0   ", 0,
 672         0, out, sizeof(out)/sizeof(CHAR));
 673     ok(!strcmp("yah!", out),"failed out=[%s]\n",out);
 674     ok(r==4,"failed: r=%d\n",r);
 675
 676     /* %space */
 677     r = doit(FORMAT_MESSAGE_FROM_STRING, "% %   ", 0,
 678         0, out, sizeof(out)/sizeof(CHAR));
 679     ok(!strcmp("    ", out),"failed out=[%s]\n",out);
 680     ok(r==4,"failed: r=%d\n",r);
 681
 682     /* %n yields \r\n, %r yields \r, %t yields \t */
 683     r = doit(FORMAT_MESSAGE_FROM_STRING, "%n%r%t", 0,
 684         0, out, sizeof(out)/sizeof(CHAR));
 685     ok(!strcmp("\r\n\r\t", out),"failed out=[%s]\n",out);
 686     ok(r==4,"failed: r=%d\n",r);
 687
 688     /* line feed */
 689     r = doit(FORMAT_MESSAGE_FROM_STRING, "hi\n", 0,
 690         0, out, sizeof(out)/sizeof(CHAR));
 691     ok(!strcmp("hi\r\n", out),"failed out=[%s]\n",out);
 692     ok(r==4,"failed: r=%d\n",r);
 693
 694     /* carriage return line feed */
 695     r = doit(FORMAT_MESSAGE_FROM_STRING, "hi\r\n", 0,
 696         0, out, sizeof(out)/sizeof(CHAR));
 697     ok(!strcmp("hi\r\n", out),"failed out=[%s]\n",out);
 698     ok(r==4,"failed: r=%d\n",r);
 699
 700     /* carriage return */
 701     r = doit(FORMAT_MESSAGE_FROM_STRING, "\r", 0,
 702         0, out, sizeof(out)/sizeof(CHAR));
 703     ok(!strcmp("\r\n", out),"failed out=[%s]\n",out);
 704     ok(r==2,"failed: r=%d\n",r);
 705
 706     /* double carriage return line feed */
 707     r = doit(FORMAT_MESSAGE_FROM_STRING, "\r\r\n", 0,
 708         0, out, sizeof(out)/sizeof(CHAR));
 709     ok(!strcmp("\r\n\r\n", out),"failed out=[%s]\n",out);
 710     ok(r==4,"failed: r=%d\n",r);
 711
 712     /* null string as argument */
 713     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1", 0,
 714         0, out, sizeof(out)/sizeof(CHAR), NULL);
 715     ok(!strcmp("(null)", out),"failed out=[%s]\n",out);
 716     ok(r==6,"failed: r=%d\n",r);
 717
 718     /* precision and width */
 719
 720     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!3s!",
 721              0, 0, out, sizeof(out), "t" );
 722     ok(!strcmp("  t", out),"failed out=[%s]\n",out);
 723     ok(r==3, "failed: r=%d\n",r);
 724     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!*s!",
 725              0, 0, out, sizeof(out), 4, "t");
 726     if (!strcmp("*s",out)) win_skip( "width/precision not supported\n" );
 727     else
 728     {
 729         ok(!strcmp( "   t", out),"failed out=[%s]\n",out);
 730         ok(r==4,"failed: r=%d\n",r);
 731         r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4.2u!",
 732                  0, 0, out, sizeof(out), 3 );
 733         ok(!strcmp( "  03", out),"failed out=[%s]\n",out);
 734         ok(r==4,"failed: r=%d\n",r);
 735         r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!*.*u!",
 736                  0, 0, out, sizeof(out), 5, 3, 1 );
 737         ok(!strcmp( "  001", out),"failed out=[%s]\n",out);
 738         ok(r==5,"failed: r=%d\n",r);
 739         r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!*.*u!,%1!*.*u!",
 740                  0, 0, out, sizeof(out), 5, 3, 1, 4, 2 );
 741         ok(!strcmp( "  001, 0002", out),"failed out=[%s]\n",out);
 742         ok(r==11,"failed: r=%d\n",r);
 743         r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!*.*u!,%3!*.*u!",
 744                  0, 0, out, sizeof(out), 5, 3, 1, 6, 4, 2 );
 745         /* older Win versions marked as broken even though this is arguably the correct behavior */
 746         /* but the new (brain-damaged) behavior is specified on MSDN */
 747         ok(!strcmp( "  001,  0002", out) ||
 748            broken(!strcmp("  001,000004", out)), /* NT4/Win2k */
 749            "failed out=[%s]\n",out);
 750         ok(r==12,"failed: r=%d\n",r);
 751         /* args are not counted the same way with an argument array */
 752         {
 753             ULONG_PTR args[] = { 6, 4, 2, 5, 3, 1 };
 754             r = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ARGUMENT_ARRAY,
 755                                "%1!*.*u!,%1!*.*u!", 0, 0, out, sizeof(out), (__ms_va_list *)args );
 756             ok(!strcmp("  0002, 00003", out),"failed out=[%s]\n",out);
 757             ok(r==13,"failed: r=%d\n",r);
 758             r = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ARGUMENT_ARRAY,
 759                                "%1!*.*u!,%4!*.*u!", 0, 0, out, sizeof(out), (__ms_va_list *)args );
 760             ok(!strcmp("  0002,  001", out),"failed out=[%s]\n",out);
 761             ok(r==12,"failed: r=%d\n",r);
 762         }
 763     }
 764
 765     /* change of pace... test the low byte of dwflags */
 766
 767     /* line feed */
 768     r = doit(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, "hi\n", 0,
 769         0, out, sizeof(out)/sizeof(CHAR));
 770     ok(!strcmp("hi ", out), "failed out=[%s]\n",out);
 771     ok(r==3, "failed: r=%d\n",r);
 772
 773     /* carriage return line feed */
 774     r = doit(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, "hi\r\n", 0,
 775         0, out, sizeof(out)/sizeof(CHAR));
 776     ok(!strcmp("hi ", out),"failed out=[%s]\n",out);
 777     ok(r==3,"failed: r=%d\n",r);
 778
 779     /* carriage return */
 780     r = doit(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, "\r", 0,
 781         0, out, sizeof(out)/sizeof(CHAR));
 782     ok(!strcmp(" ", out),"failed out=[%s]\n",out);
 783     ok(r==1,"failed: r=%d\n",r);
 784
 785     /* double carriage return line feed */
 786     r = doit(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, "\r\r\n", 0,
 787         0, out, sizeof(out)/sizeof(CHAR));
 788     ok(!strcmp("  ", out),"failed out=[%s]\n",out);
 789     ok(r==2,"failed: r=%d\n",r);
 790 }
 791
 792 static void test_message_ignore_inserts(void)
 793 {
 794     static const char init_buf[] = {'x', 'x', 'x', 'x', 'x'};
 795
 796     DWORD ret;
 797     CHAR out[256];
 798
 799     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, "test", 0, 0, out,
 800                          sizeof(out)/sizeof(CHAR), NULL);
 801     ok(ret == 4, "Expected FormatMessageA to return 4, got %d\n", ret);
 802     ok(!strcmp("test", out), "Expected output string \"test\", got %s\n", out);
 803
 804     /* The %0 escape sequence is handled. */
 805     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, "test%0", 0, 0, out,
 806                          sizeof(out)/sizeof(CHAR), NULL);
 807     ok(ret == 4, "Expected FormatMessageA to return 4, got %d\n", ret);
 808     ok(!strcmp("test", out), "Expected output string \"test\", got %s\n", out);
 809
 810     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, "test%0test", 0, 0, out,
 811                          sizeof(out)/sizeof(CHAR), NULL);
 812     ok(ret == 4, "Expected FormatMessageA to return 4, got %d\n", ret);
 813     ok(!strcmp("test", out), "Expected output string \"test\", got %s\n", out);
 814
 815     /* While FormatMessageA returns 0 in this case, no last error code is set. */
 816     SetLastError(0xdeadbeef);
 817     memcpy(out, init_buf, sizeof(init_buf));
 818     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, "%0test", 0, 0, out,
 819                          sizeof(out)/sizeof(CHAR), NULL);
 820     ok(ret == 0, "Expected FormatMessageA to return 0, got %d\n", ret);
 821     ok(!memcmp(out, init_buf, sizeof(init_buf)), "Expected the output buffer to be untouched\n");
 822     ok(GetLastError() == 0xdeadbeef, "Expected GetLastError() to return 0xdeadbeef, got %u\n", GetLastError());
 823
 824     /* Insert sequences are ignored. */
 825     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, "test%1%2!*.*s!%99", 0, 0, out,
 826                          sizeof(out)/sizeof(CHAR), NULL);
 827     ok(ret == 17, "Expected FormatMessageA to return 17, got %d\n", ret);
 828     ok(!strcmp("test%1%2!*.*s!%99", out), "Expected output string \"test%%1%%2!*.*s!%%99\", got %s\n", out);
 829
 830     /* Only the "%n", "%r", and "%t" escape sequences are processed. */
 831     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, "%%% %.%!", 0, 0, out,
 832                          sizeof(out)/sizeof(CHAR), NULL);
 833     ok(ret == 8, "Expected FormatMessageA to return 8, got %d\n", ret);
 834     ok(!strcmp("%%% %.%!", out), "Expected output string \"%%%%%% %%.%%!\", got %s\n", out);
 835
 836     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, "%n%r%t", 0, 0, out,
 837                          sizeof(out)/sizeof(CHAR), NULL);
 838     ok(ret == 4, "Expected FormatMessageA to return 4, got %d\n", ret);
 839     ok(!strcmp("\r\n\r\t", out), "Expected output string \"\\r\\n\\r\\t\", got %s\n", out);
 840
 841     /* CRLF characters are processed normally. */
 842     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, "hi\n", 0, 0, out,
 843                          sizeof(out)/sizeof(CHAR), NULL);
 844     ok(ret == 4, "Expected FormatMessageA to return 4, got %d\n", ret);
 845     ok(!strcmp("hi\r\n", out), "Expected output string \"hi\\r\\n\", got %s\n", out);
 846
 847     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, "hi\r\n", 0, 0, out,
 848                          sizeof(out)/sizeof(CHAR), NULL);
 849     ok(ret == 4, "Expected FormatMessageA to return 4, got %d\n", ret);
 850     ok(!strcmp("hi\r\n", out), "Expected output string \"hi\\r\\n\", got %s\n", out);
 851
 852     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, "\r", 0, 0, out,
 853                          sizeof(out)/sizeof(CHAR), NULL);
 854     ok(ret == 2, "Expected FormatMessageA to return 2, got %d\n", ret);
 855     ok(!strcmp("\r\n", out), "Expected output string \"\\r\\n\", got %s\n", out);
 856
 857     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, "\r\r\n", 0, 0, out,
 858                          sizeof(out)/sizeof(CHAR), NULL);
 859     ok(ret == 4, "Expected FormatMessageA to return 4, got %d\n", ret);
 860     ok(!strcmp("\r\n\r\n", out), "Expected output string \"\\r\\n\\r\\n\", got %s\n", out);
 861
 862     /* The width parameter is handled the same also. */
 863     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS |
 864                          FORMAT_MESSAGE_MAX_WIDTH_MASK, "hi\n", 0, 0, out,
 865                          sizeof(out)/sizeof(CHAR), NULL);
 866     ok(!strcmp("hi ", out), "Expected output string \"hi \", got %s\n", out);
 867     ok(ret == 3, "Expected FormatMessageA to return 3, got %d\n", ret);
 868
 869     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS |
 870                          FORMAT_MESSAGE_MAX_WIDTH_MASK, "hi\r\n", 0, 0, out,
 871                          sizeof(out)/sizeof(CHAR), NULL);
 872     ok(ret == 3, "Expected FormatMessageA to return 3, got %d\n", ret);
 873     ok(!strcmp("hi ", out), "Expected output string \"hi \", got %s\n", out);
 874
 875     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS |
 876                          FORMAT_MESSAGE_MAX_WIDTH_MASK, "\r", 0, 0, out,
 877                          sizeof(out)/sizeof(CHAR), NULL);
 878     ok(ret == 1, "Expected FormatMessageA to return 1, got %d\n", ret);
 879     ok(!strcmp(" ", out), "Expected output string \" \", got %s\n", out);
 880
 881     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS |
 882                          FORMAT_MESSAGE_MAX_WIDTH_MASK, "\r\r\n", 0, 0, out,
 883                          sizeof(out)/sizeof(CHAR), NULL);
 884     ok(ret == 2, "Expected FormatMessageA to return 2, got %d\n", ret);
 885     ok(!strcmp("  ", out), "Expected output string \"  \", got %s\n", out);
 886 }
 887
 888 static void test_message_ignore_inserts_wide(void)
 889 {
 890     static const WCHAR test[] = {'t','e','s','t',0};
 891     static const WCHAR empty[] = {0};
 892     static const WCHAR fmt_t0[] = {'t','e','s','t','%','0',0};
 893     static const WCHAR fmt_t0t[] = {'t','e','s','t','%','0','t','e','s','t',0};
 894     static const WCHAR fmt_0t[] = {'%','0','t','e','s','t',0};
 895     static const WCHAR fmt_t12oos99[] = {'t','e','s','t','%','1','%','2','!','*','.','*','s','!','%','9','9',0};
 896     static const WCHAR fmt_pctspacedot[] = {'%','%','%',' ','%','.','%','!',0};
 897     static const WCHAR fmt_nrt[] = {'%','n','%','r','%','t',0};
 898     static const WCHAR fmt_hi_lf[]   = {'h','i','\n',0};
 899     static const WCHAR fmt_hi_crlf[] = {'h','i','\r','\n',0};
 900     static const WCHAR fmt_cr[]      = {'\r',0};
 901     static const WCHAR fmt_crcrlf[]  = {'\r','\r','\n',0};
 902
 903     static const WCHAR s_nrt[] = {'\r','\n','\r','\t',0};
 904     static const WCHAR s_hi_crlf[] = {'h','i','\r','\n',0};
 905     static const WCHAR s_crlf[] = {'\r','\n',0};
 906     static const WCHAR s_crlfcrlf[] = {'\r','\n','\r','\n',0};
 907     static const WCHAR s_hi_sp[] = {'h','i',' ',0};
 908     static const WCHAR s_sp[] = {' ',0};
 909     static const WCHAR s_2sp[] = {' ',' ',0};
 910
 911     DWORD ret;
 912     WCHAR out[256];
 913
 914     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, test, 0, 0, out,
 915                          sizeof(out)/sizeof(WCHAR), NULL);
 916     ok(ret == 4, "Expected FormatMessageW to return 4, got %d\n", ret);
 917     ok(!lstrcmpW(test, out), "Expected output string \"test\", got %s\n", wine_dbgstr_w(out));
 918
 919     /* The %0 escape sequence is handled. */
 920     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, fmt_t0, 0, 0, out,
 921                          sizeof(out)/sizeof(WCHAR), NULL);
 922     ok(ret == 4, "Expected FormatMessageW to return 4, got %d\n", ret);
 923     ok(!lstrcmpW(test, out), "Expected output string \"test\", got %s\n", wine_dbgstr_w(out));
 924
 925     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, fmt_t0t, 0, 0, out,
 926                          sizeof(out)/sizeof(WCHAR), NULL);
 927     ok(ret == 4, "Expected FormatMessageW to return 4, got %d\n", ret);
 928     ok(!lstrcmpW(test, out), "Expected output string \"test\", got %s\n", wine_dbgstr_w(out));
 929
 930     /* While FormatMessageA returns 0 in this case, no last error code is set. */
 931     SetLastError(0xdeadbeef);
 932     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, fmt_0t, 0, 0, out,
 933                          sizeof(out)/sizeof(WCHAR), NULL);
 934     ok(ret == 0, "Expected FormatMessageW to return 0, got %d\n", ret);
 935     ok(!lstrcmpW(empty, out), "Expected the output buffer to be the empty string, got %s\n", wine_dbgstr_w(out));
 936     ok(GetLastError() == 0xdeadbeef, "Expected GetLastError() to return 0xdeadbeef, got %u\n", GetLastError());
 937
 938     /* Insert sequences are ignored. */
 939     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, fmt_t12oos99, 0, 0, out,
 940                          sizeof(out)/sizeof(WCHAR), NULL);
 941     ok(ret == 17, "Expected FormatMessageW to return 17, got %d\n", ret);
 942     ok(!lstrcmpW(fmt_t12oos99, out), "Expected output string \"test%%1%%2!*.*s!%%99\", got %s\n", wine_dbgstr_w(out));
 943
 944     /* Only the "%n", "%r", and "%t" escape sequences are processed. */
 945     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, fmt_pctspacedot, 0, 0, out,
 946                          sizeof(out)/sizeof(WCHAR), NULL);
 947     ok(ret == 8, "Expected FormatMessageW to return 8, got %d\n", ret);
 948     ok(!lstrcmpW(fmt_pctspacedot, out), "Expected output string \"%%%%%% %%.%%!\", got %s\n", wine_dbgstr_w(out));
 949
 950     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, fmt_nrt, 0, 0, out,
 951                          sizeof(out)/sizeof(WCHAR), NULL);
 952     ok(ret == 4, "Expected FormatMessageW to return 4, got %d\n", ret);
 953     ok(!lstrcmpW(s_nrt, out), "Expected output string \"\\r\\n\\r\\t\", got %s\n", wine_dbgstr_w(out));
 954
 955     /* CRLF characters are processed normally. */
 956     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, fmt_hi_lf, 0, 0, out,
 957                          sizeof(out)/sizeof(WCHAR), NULL);
 958     ok(ret == 4, "Expected FormatMessageW to return 4, got %d\n", ret);
 959     ok(!lstrcmpW(s_hi_crlf, out), "Expected output string \"hi\\r\\n\", got %s\n", wine_dbgstr_w(out));
 960
 961     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, fmt_hi_crlf, 0, 0, out,
 962                          sizeof(out)/sizeof(WCHAR), NULL);
 963     ok(ret == 4, "Expected FormatMessageW to return 4, got %d\n", ret);
 964     ok(!lstrcmpW(s_hi_crlf, out), "Expected output string \"hi\\r\\n\", got %s\n", wine_dbgstr_w(out));
 965
 966     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, fmt_cr, 0, 0, out,
 967                          sizeof(out)/sizeof(WCHAR), NULL);
 968     ok(ret == 2, "Expected FormatMessageW to return 2, got %d\n", ret);
 969     ok(!lstrcmpW(s_crlf, out), "Expected output string \"\\r\\n\", got %s\n", wine_dbgstr_w(out));
 970
 971     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS, fmt_crcrlf, 0, 0, out,
 972                          sizeof(out)/sizeof(WCHAR), NULL);
 973     ok(ret == 4, "Expected FormatMessageW to return 4, got %d\n", ret);
 974     ok(!lstrcmpW(s_crlfcrlf, out), "Expected output string \"\\r\\n\\r\\n\", got %s\n", wine_dbgstr_w(out));
 975
 976     /* The width parameter is handled the same also. */
 977     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS |
 978                          FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_hi_lf, 0, 0, out,
 979                          sizeof(out)/sizeof(WCHAR), NULL);
 980     ok(ret == 3, "Expected FormatMessageW to return 3, got %d\n", ret);
 981     ok(!lstrcmpW(s_hi_sp, out), "Expected output string \"hi \", got %s\n", wine_dbgstr_w(out));
 982
 983     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS |
 984                          FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_hi_crlf, 0, 0, out,
 985                          sizeof(out)/sizeof(WCHAR), NULL);
 986     ok(ret == 3, "Expected FormatMessageW to return 3, got %d\n", ret);
 987     ok(!lstrcmpW(s_hi_sp, out), "Expected output string \"hi \", got %s\n", wine_dbgstr_w(out));
 988
 989     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS |
 990                          FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_cr, 0, 0, out,
 991                          sizeof(out)/sizeof(WCHAR), NULL);
 992     ok(ret == 1, "Expected FormatMessageW to return 1, got %d\n", ret);
 993     ok(!lstrcmpW(s_sp, out), "Expected output string \" \", got %s\n", wine_dbgstr_w(out));
 994
 995     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS |
 996                          FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_crcrlf, 0, 0, out,
 997                          sizeof(out)/sizeof(WCHAR), NULL);
 998     ok(ret == 2, "Expected FormatMessageW to return 2, got %d\n", ret);
 999     ok(!lstrcmpW(s_2sp, out), "Expected output string \"  \", got %s\n", wine_dbgstr_w(out));
1000 }
1001
1002 static void test_message_wrap(void)
1003 {
1004     DWORD ret;
1005     int i;
1006     CHAR in[300], out[300], ref[300];
1007
1008     /* No need for wrapping */
1009     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 20,
1010                          "short long line", 0, 0, out, sizeof(out), NULL);
1011     ok(ret == 15, "Expected FormatMessageW to return 15, got %d\n", ret);
1012     ok(!strcmp("short long line", out),"failed out=[%s]\n",out);
1013
1014     /* Wrap the last word */
1015     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 11,
1016                          "short long line", 0, 0, out, sizeof(out), NULL);
1017     ok(ret == 16, "Expected FormatMessageW to return 16, got %d\n", ret);
1018     ok(!strcmp("short long\r\nline", out),"failed out=[%s]\n",out);
1019
1020     /* Wrap the very last word */
1021     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 20,
1022                          "short long long line", 0, 0, out, sizeof(out), NULL);
1023     ok(ret == 21, "Expected FormatMessageW to return 21, got %d\n", ret);
1024     ok(!strcmp("short long long\r\nline", out),"failed out=[%s]\n",out);
1025
1026     /* Strictly less than 10 characters per line! */
1027     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 10,
1028                          "short long line", 0, 0, out, sizeof(out), NULL);
1029     ok(ret == 16, "Expected FormatMessageW to return 16, got %d\n", ret);
1030     ok(!strcmp("short\r\nlong line", out),"failed out=[%s]\n",out);
1031
1032     /* Handling of duplicate spaces */
1033     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 16,
1034                          "short long    line", 0, 0, out, sizeof(out), NULL);
1035     ok(ret == 16, "Expected FormatMessageW to return 16, got %d\n", ret);
1036     ok(!strcmp("short long\r\nline", out),"failed out=[%s]\n",out);
1037
1038     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 16,
1039                          "short long    wordlongerthanaline", 0, 0, out, sizeof(out), NULL);
1040     ok(ret == 33, "Expected FormatMessageW to return 33, got %d\n", ret);
1041     ok(!strcmp("short long\r\nwordlongerthanal\r\nine", out),"failed out=[%s]\n",out);
1042
1043     /* Breaking in the middle of spaces */
1044     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 12,
1045                          "short long    line", 0, 0, out, sizeof(out), NULL);
1046     ok(ret == 18, "Expected FormatMessageW to return 18, got %d\n", ret);
1047     ok(!strcmp("short long\r\n  line", out),"failed out=[%s]\n",out);
1048
1049     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 12,
1050                          "short long    wordlongerthanaline", 0, 0, out, sizeof(out), NULL);
1051     ok(ret == 35, "Expected FormatMessageW to return 35, got %d\n", ret);
1052     ok(!strcmp("short long\r\n\r\nwordlongerth\r\nanaline", out),"failed out=[%s]\n",out);
1053
1054     /* Handling of start-of-string spaces */
1055     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 15,
1056                          "   short line", 0, 0, out, sizeof(out), NULL);
1057     ok(ret == 13, "Expected FormatMessageW to return 13, got %d\n", ret);
1058     ok(!strcmp("   short line", out),"failed out=[%s]\n",out);
1059
1060     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 11,
1061                          "   shortlong line", 0, 0, out, sizeof(out), NULL);
1062     ok(ret == 17, "Expected FormatMessageW to return 17, got %d\n", ret);
1063     ok(!strcmp("\r\nshortlong\r\nline", out),"failed out=[%s]\n",out);
1064
1065     /* Handling of start-of-line spaces */
1066     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 11,
1067                          "l1%n   shortlong line", 0, 0, out, sizeof(out), NULL);
1068     ok(ret == 21, "Expected FormatMessageW to return 21, got %d\n", ret);
1069     ok(!strcmp("l1\r\n\r\nshortlong\r\nline", out),"failed out=[%s]\n",out);
1070
1071     /* Pure space wrapping */
1072     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 5,
1073                          "                ", 0, 0, out, sizeof(out), NULL);
1074     ok(ret == 7, "Expected FormatMessageW to return 7, got %d\n", ret);
1075     ok(!strcmp("\r\n\r\n\r\n ", out),"failed out=[%s]\n",out);
1076
1077     /* Handling of trailing spaces */
1078     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 5,
1079                          "l1               ", 0, 0, out, sizeof(out), NULL);
1080     ok(ret == 10, "Expected FormatMessageW to return 10, got %d\n", ret);
1081     ok(!strcmp("l1\r\n\r\n\r\n  ", out),"failed out=[%s]\n",out);
1082
1083     /* Word that just fills the line */
1084     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 8,
1085                          "shortlon", 0, 0, out, sizeof(out), NULL);
1086     ok(ret == 10, "Expected FormatMessageW to return 10, got %d\n", ret);
1087     ok(!strcmp("shortlon\r\n", out),"failed out=[%s]\n",out);
1088
1089     /* Word longer than the line */
1090     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 8,
1091                          "shortlongline", 0, 0, out, sizeof(out), NULL);
1092     ok(ret == 15, "Expected FormatMessageW to return 15, got %d\n", ret);
1093     ok(!strcmp("shortlon\r\ngline", out),"failed out=[%s]\n",out);
1094
1095     /* Wrap the line multiple times */
1096     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 7,
1097                          "short long line", 0, 0, out, sizeof(out), NULL);
1098     ok(ret == 17, "Expected FormatMessageW to return 17, got %d\n", ret);
1099     ok(!strcmp("short\r\nlong\r\nline", out),"failed out=[%s]\n",out);
1100
1101     /* '\n's in the source are ignored */
1102     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 11,
1103                          "short\nlong line", 0, 0, out, sizeof(out), NULL);
1104     ok(ret == 16, "Expected FormatMessageW to return 16, got %d\n", ret);
1105     ok(!strcmp("short long\r\nline", out),"failed out=[%s]\n",out);
1106
1107     /* Wrap even before a '%n' */
1108     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 8,
1109                          "shortlon%n", 0, 0, out, sizeof(out), NULL);
1110     ok(ret == 12, "Expected FormatMessageW to return 12, got %d\n", ret);
1111     ok(!strcmp("shortlon\r\n\r\n", out),"failed out=[%s]\n",out);
1112
1113     /* '%n's count as starting a new line and combine with line wrapping */
1114     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 10,
1115                          "short%nlong line", 0, 0, out, sizeof(out), NULL);
1116     ok(ret == 16, "Expected FormatMessageW to return 16, got %d\n", ret);
1117     ok(!strcmp("short\r\nlong line", out),"failed out=[%s]\n",out);
1118
1119     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 8,
1120                          "short%nlong line", 0, 0, out, sizeof(out), NULL);
1121     ok(ret == 17, "Expected FormatMessageW to return 17, got %d\n", ret);
1122     ok(!strcmp("short\r\nlong\r\nline", out),"failed out=[%s]\n",out);
1123
1124     /* '%r's also count as starting a new line and all */
1125     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 10,
1126                          "short%rlong line", 0, 0, out, sizeof(out), NULL);
1127     ok(ret == 15, "Expected FormatMessageW to return 15, got %d\n", ret);
1128     ok(!strcmp("short\rlong line", out),"failed out=[%s]\n",out);
1129
1130     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 8,
1131                          "short%rlong line", 0, 0, out, sizeof(out), NULL);
1132     ok(ret == 16, "Expected FormatMessageW to return 16, got %d\n", ret);
1133     ok(!strcmp("short\rlong\r\nline", out),"failed out=[%s]\n",out);
1134
1135     /* IGNORE_INSERTS does not prevent line wrapping or disable '%n' */
1136     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_IGNORE_INSERTS | 8,
1137                          "short%nlong line%1", 0, 0, out, sizeof(out), NULL);
1138     ok(ret == 19, "Expected FormatMessageW to return 19, got %d\n", ret);
1139     ok(!strcmp("short\r\nlong\r\nline%1", out),"failed out=[%s]\n",out);
1140
1141     /* MAX_WIDTH_MASK is the same as specifying an infinite line width */
1142     strcpy(in, "first line%n");
1143     strcpy(ref, "first line\r\n");
1144     for (i=0; i < 26; i++)
1145     {
1146         strcat(in, "123456789 ");
1147         strcat(ref, "123456789 ");
1148     }
1149     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK,
1150                          in, 0, 0, out, sizeof(out), NULL);
1151     ok(ret == 272, "Expected FormatMessageW to return 272, got %d\n", ret);
1152     ok(!strcmp(ref, out),"failed out=[%s]\n",out);
1153
1154     /* Wrapping and non-space characters */
1155     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 11,
1156                          "short long\tline", 0, 0, out, sizeof(out), NULL);
1157     ok(ret == 16, "Expected FormatMessageW to return 16, got %d\n", ret);
1158     ok(!strcmp("short\r\nlong\tline", out),"failed out=[%s]\n",out);
1159
1160     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 11,
1161                          "short long-line", 0, 0, out, sizeof(out), NULL);
1162     ok(ret == 16, "Expected FormatMessageW to return 16, got %d\n", ret);
1163     ok(!strcmp("short\r\nlong-line", out),"failed out=[%s]\n",out);
1164
1165     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 11,
1166                          "short long_line", 0, 0, out, sizeof(out), NULL);
1167     ok(ret == 16, "Expected FormatMessageW to return 16, got %d\n", ret);
1168     ok(!strcmp("short\r\nlong_line", out),"failed out=[%s]\n",out);
1169
1170     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 11,
1171                          "short long.line", 0, 0, out, sizeof(out), NULL);
1172     ok(ret == 16, "Expected FormatMessageW to return 16, got %d\n", ret);
1173     ok(!strcmp("short\r\nlong.line", out),"failed out=[%s]\n",out);
1174
1175     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 11,
1176                          "short long,line", 0, 0, out, sizeof(out), NULL);
1177     ok(ret == 16, "Expected FormatMessageW to return 16, got %d\n", ret);
1178     ok(!strcmp("short\r\nlong,line", out),"failed out=[%s]\n",out);
1179
1180     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 11,
1181                          "short long!line", 0, 0, out, sizeof(out), NULL);
1182     ok(ret == 16, "Expected FormatMessageW to return 16, got %d\n", ret);
1183     ok(!strcmp("short\r\nlong!line", out),"failed out=[%s]\n",out);
1184
1185     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | 11,
1186                          "short long?line", 0, 0, out, sizeof(out), NULL);
1187     ok(ret == 16, "Expected FormatMessageW to return 16, got %d\n", ret);
1188     ok(!strcmp("short\r\nlong?line", out),"failed out=[%s]\n",out);
1189 }
1190
1191 static void test_message_insufficient_buffer(void)
1192 {
1193     static const char init_buf[] = {'x', 'x', 'x', 'x', 'x'};
1194     static const char expected_buf[] = {'x', 'x', 'x', 'x', 'x'};
1195     DWORD ret;
1196     CHAR out[5];
1197
1198     SetLastError(0xdeadbeef);
1199     memcpy(out, init_buf, sizeof(init_buf));
1200     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING, "test", 0, 0, out, 0, NULL);
1201     ok(ret == 0, "Expected FormatMessageA to return 0, got %u\n", ret);
1202     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER,
1203        "Expected GetLastError() to return ERROR_INSUFFICIENT_BUFFER, got %u\n",
1204        GetLastError());
1205     ok(!memcmp(expected_buf, out, sizeof(expected_buf)),
1206        "Expected the buffer to be untouched\n");
1207
1208     SetLastError(0xdeadbeef);
1209     memcpy(out, init_buf, sizeof(init_buf));
1210     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING, "test", 0, 0, out, 1, NULL);
1211     ok(ret == 0, "Expected FormatMessageA to return 0, got %u\n", ret);
1212     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER,
1213        "Expected GetLastError() to return ERROR_INSUFFICIENT_BUFFER, got %u\n",
1214        GetLastError());
1215     ok(!memcmp(expected_buf, out, sizeof(expected_buf)),
1216        "Expected the buffer to be untouched\n");
1217
1218     SetLastError(0xdeadbeef);
1219     memcpy(out, init_buf, sizeof(init_buf));
1220     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING, "test", 0, 0, out, sizeof(out)/sizeof(out[0]) - 1, NULL);
1221     ok(ret == 0, "Expected FormatMessageA to return 0, got %u\n", ret);
1222     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER,
1223        "Expected GetLastError() to return ERROR_INSUFFICIENT_BUFFER, got %u\n",
1224        GetLastError());
1225     ok(!memcmp(expected_buf, out, sizeof(expected_buf)),
1226        "Expected the buffer to be untouched\n");
1227 }
1228
1229 static void test_message_insufficient_buffer_wide(void)
1230 {
1231     static const WCHAR test[] = {'t','e','s','t',0};
1232     static const WCHAR init_buf[] = {'x', 'x', 'x', 'x', 'x'};
1233     static const WCHAR expected_buf[] = {'x', 'x', 'x', 'x', 'x'};
1234     static const WCHAR broken_buf[] = {0, 'x', 'x', 'x', 'x'};
1235     static const WCHAR broken2_buf[] = {'t','e','s',0,'x'};
1236
1237     DWORD ret;
1238     WCHAR out[5];
1239
1240     SetLastError(0xdeadbeef);
1241     memcpy(out, init_buf, sizeof(init_buf));
1242     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, test, 0, 0, out, 0, NULL);
1243     ok(ret == 0, "Expected FormatMessageA to return 0, got %u\n", ret);
1244     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER,
1245        "Expected GetLastError() to return ERROR_INSUFFICIENT_BUFFER, got %u\n",
1246        GetLastError());
1247     ok(!memcmp(expected_buf, out, sizeof(expected_buf)),
1248        "Expected the buffer to be untouched\n");
1249
1250     /* Windows Server 2003 and newer report failure but copy a
1251      * truncated string to the buffer for non-zero buffer sizes. */
1252     SetLastError(0xdeadbeef);
1253     memcpy(out, init_buf, sizeof(init_buf));
1254     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, test, 0, 0, out, 1, NULL);
1255     ok(ret == 0, "Expected FormatMessageA to return 0, got %u\n", ret);
1256     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER,
1257        "Expected GetLastError() to return ERROR_INSUFFICIENT_BUFFER, got %u\n",
1258        GetLastError());
1259     ok(!memcmp(expected_buf, out, sizeof(expected_buf)) ||
1260        broken(!memcmp(broken_buf, out, sizeof(broken_buf))), /* W2K3+ */
1261        "Expected the buffer to be untouched\n");
1262
1263     SetLastError(0xdeadbeef);
1264     memcpy(out, init_buf, sizeof(init_buf));
1265     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, test, 0, 0, out, sizeof(out)/sizeof(out[0]) - 1, NULL);
1266     ok(ret == 0, "Expected FormatMessageA to return 0, got %u\n", ret);
1267     ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER,
1268        "Expected GetLastError() to return ERROR_INSUFFICIENT_BUFFER, got %u\n",
1269        GetLastError());
1270     ok(!memcmp(expected_buf, out, sizeof(expected_buf)) ||
1271        broken(!memcmp(broken2_buf, out, sizeof(broken2_buf))), /* W2K3+ */
1272        "Expected the buffer to be untouched\n");
1273 }
1274
1275 static void test_message_null_buffer(void)
1276 {
1277     DWORD ret, error;
1278
1279     /* Without FORMAT_MESSAGE_ALLOCATE_BUFFER, only the specified buffer size is checked. */
1280     SetLastError(0xdeadbeef);
1281     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, NULL, 0, 0, NULL, 0, NULL);
1282     error = GetLastError();
1283     ok(!ret, "FormatMessageA returned %u\n", ret);
1284     ok(error == ERROR_INSUFFICIENT_BUFFER, "last error %u\n", error);
1285
1286     SetLastError(0xdeadbeef);
1287     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, NULL, 0, 0, NULL, 1, NULL);
1288     error = GetLastError();
1289     ok(!ret, "FormatMessageA returned %u\n", ret);
1290     ok(error == ERROR_INSUFFICIENT_BUFFER, "last error %u\n", error);
1291
1292     if (0) /* crashes on Windows */
1293     {
1294         SetLastError(0xdeadbeef);
1295         FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, NULL, 0, 0, NULL, 256, NULL);
1296     }
1297
1298     SetLastError(0xdeadbeef);
1299     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, 0, 0, NULL, 0, NULL);
1300     error = GetLastError();
1301     ok(!ret, "FormatMessageA returned %u\n", ret);
1302     ok(error == ERROR_NOT_ENOUGH_MEMORY, "last error %u\n", error);
1303
1304     SetLastError(0xdeadbeef);
1305     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, 0, 0, NULL, 1, NULL);
1306     error = GetLastError();
1307     ok(!ret, "FormatMessageA returned %u\n", ret);
1308     ok(error == ERROR_NOT_ENOUGH_MEMORY, "last error %u\n", error);
1309
1310     SetLastError(0xdeadbeef);
1311     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, 0, 0, NULL, 256, NULL);
1312     error = GetLastError();
1313     ok(!ret, "FormatMessageA returned %u\n", ret);
1314     ok(error == ERROR_NOT_ENOUGH_MEMORY, "last error %u\n", error);
1315 }
1316
1317 static void test_message_null_buffer_wide(void)
1318 {
1319     DWORD ret, error;
1320
1321     SetLastError(0xdeadbeef);
1322     ret = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM, NULL, 0, 0, NULL, 0, NULL);
1323     error = GetLastError();
1324     ok(!ret, "FormatMessageW returned %u\n", ret);
1325     ok(error == ERROR_INVALID_PARAMETER, "last error %u\n", error);
1326
1327     SetLastError(0xdeadbeef);
1328     ret = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM, NULL, 0, 0, NULL, 1, NULL);
1329     error = GetLastError();
1330     ok(!ret, "FormatMessageW returned %u\n", ret);
1331     ok(error == ERROR_INVALID_PARAMETER, "last error %u\n", error);
1332
1333     SetLastError(0xdeadbeef);
1334     ret = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM, NULL, 0, 0, NULL, 256, NULL);
1335     error = GetLastError();
1336     ok(!ret, "FormatMessageW returned %u\n", ret);
1337     ok(error == ERROR_INVALID_PARAMETER, "last error %u\n", error);
1338
1339     SetLastError(0xdeadbeef);
1340     ret = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, 0, 0, NULL, 0, NULL);
1341     error = GetLastError();
1342     ok(!ret, "FormatMessageW returned %u\n", ret);
1343     ok(error == ERROR_INVALID_PARAMETER, "last error %u\n", error);
1344
1345     SetLastError(0xdeadbeef);
1346     ret = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, 0, 0, NULL, 1, NULL);
1347     error = GetLastError();
1348     ok(!ret, "FormatMessageW returned %u\n", ret);
1349     ok(error == ERROR_INVALID_PARAMETER, "last error %u\n", error);
1350
1351     SetLastError(0xdeadbeef);
1352     ret = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, 0, 0, NULL, 256, NULL);
1353     error = GetLastError();
1354     ok(!ret, "FormatMessageW returned %u\n", ret);
1355     ok(error == ERROR_INVALID_PARAMETER, "last error %u\n", error);
1356 }
1357
1358 static void test_message_allocate_buffer(void)
1359 {
1360     DWORD ret;
1361     char *buf;
1362
1363     /* While MSDN suggests that FormatMessageA allocates a buffer whose size is
1364      * the larger of the output string and the requested buffer size, the tests
1365      * will not try to determine the actual size of the buffer allocated, as
1366      * the return value of LocalSize cannot be trusted for the purpose, and it should
1367      * in any case be safe for FormatMessageA to allocate in the manner that
1368      * MSDN suggests. */
1369
1370     SetLastError(0xdeadbeef);
1371     buf = (char *)0xdeadbeef;
1372     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
1373                          "", 0, 0, (char *)&buf, 0, NULL);
1374     ok(ret == 0, "Expected FormatMessageA to return 0, got %u\n", ret);
1375     ok(buf == NULL, "Expected output buffer pointer to be NULL\n");
1376     ok(GetLastError() == 0xdeadbeef,
1377        "Expected last error to be untouched, got %u\n", GetLastError());
1378
1379     buf = (char *)0xdeadbeef;
1380     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
1381                          "test", 0, 0, (char *)&buf, 0, NULL);
1382     ok(ret == 4, "Expected FormatMessageA to return 4, got %u\n", ret);
1383     ok(buf != NULL && buf != (char *)0xdeadbeef,
1384        "Expected output buffer pointer to be valid\n");
1385     if (buf != NULL && buf != (char *)0xdeadbeef)
1386     {
1387         ok(!strcmp("test", buf),
1388            "Expected buffer to contain \"test\", got %s\n", buf);
1389         LocalFree(buf);
1390     }
1391
1392     buf = (char *)0xdeadbeef;
1393     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
1394                          "test", 0, 0, (char *)&buf, strlen("test"), NULL);
1395     ok(ret == 4, "Expected FormatMessageA to return 4, got %u\n", ret);
1396     ok(buf != NULL && buf != (char *)0xdeadbeef,
1397        "Expected output buffer pointer to be valid\n");
1398     if (buf != NULL && buf != (char *)0xdeadbeef)
1399     {
1400         ok(!strcmp("test", buf),
1401            "Expected buffer to contain \"test\", got %s\n", buf);
1402         LocalFree(buf);
1403     }
1404
1405     buf = (char *)0xdeadbeef;
1406     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
1407                          "test", 0, 0, (char *)&buf, strlen("test") + 1, NULL);
1408     ok(ret == 4, "Expected FormatMessageA to return 4, got %u\n", ret);
1409     ok(buf != NULL && buf != (char *)0xdeadbeef,
1410        "Expected output buffer pointer to be valid\n");
1411    if (buf != NULL && buf != (char *)0xdeadbeef)
1412     {
1413         ok(!strcmp("test", buf),
1414            "Expected buffer to contain \"test\", got %s\n", buf);
1415         LocalFree(buf);
1416     }
1417
1418     buf = (char *)0xdeadbeef;
1419     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
1420                          "test", 0, 0, (char *)&buf, strlen("test") + 2, NULL);
1421     ok(ret == 4, "Expected FormatMessageA to return 4, got %u\n", ret);
1422     ok(buf != NULL && buf != (char *)0xdeadbeef,
1423        "Expected output buffer pointer to be valid\n");
1424     if (buf != NULL && buf != (char *)0xdeadbeef)
1425     {
1426         ok(!strcmp("test", buf),
1427            "Expected buffer to contain \"test\", got %s\n", buf);
1428         LocalFree(buf);
1429     }
1430
1431     buf = (char *)0xdeadbeef;
1432     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
1433                          "test", 0, 0, (char *)&buf, 1024, NULL);
1434     ok(ret == 4, "Expected FormatMessageA to return 4, got %u\n", ret);
1435     ok(buf != NULL && buf != (char *)0xdeadbeef,
1436        "Expected output buffer pointer to be valid\n");
1437     if (buf != NULL && buf != (char *)0xdeadbeef)
1438     {
1439         ok(!strcmp("test", buf),
1440            "Expected buffer to contain \"test\", got %s\n", buf);
1441         LocalFree(buf);
1442     }
1443 }
1444
1445 static void test_message_allocate_buffer_wide(void)
1446 {
1447     static const WCHAR empty[] = {0};
1448     static const WCHAR test[] = {'t','e','s','t',0};
1449
1450     DWORD ret;
1451     WCHAR *buf;
1452
1453     /* While MSDN suggests that FormatMessageW allocates a buffer whose size is
1454      * the larger of the output string and the requested buffer size, the tests
1455      * will not try to determine the actual size of the buffer allocated, as
1456      * the return value of LocalSize cannot be trusted for the purpose, and it should
1457      * in any case be safe for FormatMessageW to allocate in the manner that
1458      * MSDN suggests. */
1459
1460     if (0) /* crashes on Windows */
1461     {
1462         buf = (WCHAR *)0xdeadbeef;
1463         FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
1464                              NULL, 0, 0, (WCHAR *)&buf, 0, NULL);
1465     }
1466
1467     SetLastError(0xdeadbeef);
1468     buf = (WCHAR *)0xdeadbeef;
1469     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
1470                          empty, 0, 0, (WCHAR *)&buf, 0, NULL);
1471     ok(ret == 0, "Expected FormatMessageW to return 0, got %u\n", ret);
1472     ok(buf == NULL, "Expected output buffer pointer to be NULL\n");
1473     ok(GetLastError() == 0xdeadbeef,
1474        "Expected last error to be untouched, got %u\n", GetLastError());
1475
1476     buf = (WCHAR *)0xdeadbeef;
1477     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
1478                          test, 0, 0, (WCHAR *)&buf, 0, NULL);
1479     ok(ret == 4, "Expected FormatMessageA to return 4, got %u\n", ret);
1480     ok(buf != NULL && buf != (WCHAR *)0xdeadbeef,
1481        "Expected output buffer pointer to be valid\n");
1482     if (buf != NULL && buf != (WCHAR *)0xdeadbeef)
1483     {
1484         ok(!lstrcmpW(test, buf),
1485            "Expected buffer to contain \"test\", got %s\n", wine_dbgstr_w(buf));
1486         LocalFree(buf);
1487     }
1488
1489     buf = (WCHAR *)0xdeadbeef;
1490     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
1491                          test, 0, 0, (WCHAR *)&buf, sizeof(test)/sizeof(WCHAR) - 1, NULL);
1492     ok(ret == 4, "Expected FormatMessageA to return 4, got %u\n", ret);
1493     ok(buf != NULL && buf != (WCHAR *)0xdeadbeef,
1494        "Expected output buffer pointer to be valid\n");
1495     if (buf != NULL && buf != (WCHAR *)0xdeadbeef)
1496     {
1497         ok(!lstrcmpW(test, buf),
1498            "Expected buffer to contain \"test\", got %s\n", wine_dbgstr_w(buf));
1499         LocalFree(buf);
1500     }
1501
1502     buf = (WCHAR *)0xdeadbeef;
1503     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
1504                          test, 0, 0, (WCHAR *)&buf, sizeof(test)/sizeof(WCHAR), NULL);
1505     ok(ret == 4, "Expected FormatMessageA to return 4, got %u\n", ret);
1506     ok(buf != NULL && buf != (WCHAR *)0xdeadbeef,
1507        "Expected output buffer pointer to be valid\n");
1508     if (buf != NULL && buf != (WCHAR *)0xdeadbeef)
1509     {
1510         ok(!lstrcmpW(test, buf),
1511            "Expected buffer to contain \"test\", got %s\n", wine_dbgstr_w(buf));
1512         LocalFree(buf);
1513     }
1514
1515     buf = (WCHAR *)0xdeadbeef;
1516     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
1517                          test, 0, 0, (WCHAR *)&buf, sizeof(test)/sizeof(WCHAR) + 1, NULL);
1518     ok(ret == 4, "Expected FormatMessageA to return 4, got %u\n", ret);
1519     ok(buf != NULL && buf != (WCHAR *)0xdeadbeef,
1520        "Expected output buffer pointer to be valid\n");
1521     if (buf != NULL && buf != (WCHAR *)0xdeadbeef)
1522     {
1523         ok(!lstrcmpW(test, buf),
1524            "Expected buffer to contain \"test\", got %s\n", wine_dbgstr_w(buf));
1525         LocalFree(buf);
1526     }
1527
1528     buf = (WCHAR *)0xdeadbeef;
1529     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_ALLOCATE_BUFFER,
1530                          test, 0, 0, (WCHAR *)&buf, 1024, NULL);
1531     ok(ret == 4, "Expected FormatMessageA to return 4, got %u\n", ret);
1532     ok(buf != NULL && buf != (WCHAR *)0xdeadbeef,
1533        "Expected output buffer pointer to be valid\n");
1534     if (buf != NULL && buf != (WCHAR *)0xdeadbeef)
1535     {
1536         ok(!lstrcmpW(test, buf),
1537            "Expected buffer to contain \"test\", got %s\n", wine_dbgstr_w(buf));
1538         LocalFree(buf);
1539     }
1540 }
1541
1542 static void test_message_from_hmodule(void)
1543 {
1544     DWORD ret, error;
1545     HMODULE h;
1546     CHAR out[0x100] = {0};
1547
1548     h = GetModuleHandleA("kernel32.dll");
1549     ok(h != 0, "GetModuleHandle failed\n");
1550
1551     /*Test existing messageID; as the message strings from wine's kernel32 differ from windows' kernel32 we don't compare
1552     the strings but only test that FormatMessage doesn't return 0*/
1553     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_FROM_HMODULE, h, 7/*=ERROR_ARENA_TRASHED*/,
1554                          MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), out, sizeof(out)/sizeof(CHAR), NULL);
1555     ok(ret != 0, "FormatMessageA returned 0\n");
1556
1557     /* Test HRESULT. It's not documented but in practice _com_error::ErrorMessage relies on this. */
1558     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_FROM_HMODULE, h, 0x80070005 /* E_ACCESSDENIED */,
1559                          MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), out, sizeof(out)/sizeof(CHAR), NULL);
1560     ok(ret != 0, "FormatMessageA returned 0\n");
1561
1562     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_FROM_HMODULE, h, TRUST_E_NOSIGNATURE,
1563                          MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), out, sizeof(out)/sizeof(CHAR), NULL);
1564     ok(ret != 0, "FormatMessageA returned 0\n");
1565
1566     /* Test a message string with an insertion without passing any variadic arguments. */
1567     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_FROM_HMODULE, h, 193 /* ERROR_BAD_EXE_FORMAT */,
1568                          MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), out, sizeof(out)/sizeof(CHAR), NULL);
1569     ok(ret == 0, "FormatMessageA returned non-zero\n");
1570
1571     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_FROM_HMODULE |
1572                          FORMAT_MESSAGE_ARGUMENT_ARRAY, h, 193 /* ERROR_BAD_EXE_FORMAT */,
1573                          MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), out, sizeof(out)/sizeof(CHAR), NULL);
1574     ok(ret == 0, "FormatMessageA returned non-zero\n");
1575
1576     /*Test nonexistent messageID with varying language IDs Note: FormatMessageW behaves the same*/
1577     SetLastError(0xdeadbeef);
1578     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_FROM_HMODULE, h, 3044,
1579                          MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), out, sizeof(out)/sizeof(CHAR), NULL);
1580     error = GetLastError();
1581     ok(ret == 0, "FormatMessageA returned %u instead of 0\n", ret);
1582     ok(error == ERROR_MR_MID_NOT_FOUND || error == ERROR_MUI_FILE_NOT_FOUND, "last error %u\n", error);
1583
1584     SetLastError(0xdeadbeef);
1585     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_FROM_HMODULE, h, 3044,
1586                          MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), out, sizeof(out)/sizeof(CHAR), NULL);
1587     error = GetLastError();
1588     ok(ret == 0, "FormatMessageA returned %u instead of 0\n", ret);
1589     ok(error == ERROR_MR_MID_NOT_FOUND || error == ERROR_MUI_FILE_NOT_LOADED, "last error %u\n", error);
1590
1591     SetLastError(0xdeadbeef);
1592     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_FROM_HMODULE, h, 3044,
1593                          MAKELANGID(LANG_NEUTRAL, SUBLANG_SYS_DEFAULT), out, sizeof(out)/sizeof(CHAR), NULL);
1594     error = GetLastError();
1595     ok(ret == 0, "FormatMessageA returned %u instead of 0\n", ret);
1596     ok(error == ERROR_MR_MID_NOT_FOUND || error == ERROR_MUI_FILE_NOT_LOADED, "last error %u\n", error);
1597
1598     SetLastError(0xdeadbeef);
1599     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_FROM_HMODULE, h, 3044,
1600                          MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), out, sizeof(out)/sizeof(CHAR), NULL);
1601     error = GetLastError();
1602     ok(ret == 0, "FormatMessageA returned %u instead of 0\n", ret);
1603     ok(error == ERROR_RESOURCE_LANG_NOT_FOUND ||
1604        error == ERROR_MR_MID_NOT_FOUND ||
1605        error == ERROR_MUI_FILE_NOT_FOUND ||
1606        error == ERROR_MUI_FILE_NOT_LOADED,
1607        "last error %u\n", error);
1608
1609     SetLastError(0xdeadbeef);
1610     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_FROM_HMODULE, h, 3044,
1611                          MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_UK), out, sizeof(out)/sizeof(CHAR), NULL);
1612     error = GetLastError();
1613     ok(ret == 0, "FormatMessageA returned %u instead of 0\n", ret);
1614     ok(error == ERROR_RESOURCE_LANG_NOT_FOUND ||
1615        error == ERROR_MR_MID_NOT_FOUND ||
1616        error == ERROR_MUI_FILE_NOT_FOUND ||
1617        error == ERROR_MUI_FILE_NOT_LOADED,
1618        "last error %u\n", error);
1619 }
1620
1621 static void test_message_invalid_flags(void)
1622 {
1623     static const char init_buf[] = {'x', 'x', 'x', 'x', 'x'};
1624
1625     DWORD ret;
1626     CHAR out[5];
1627     char *ptr;
1628
1629     SetLastError(0xdeadbeef);
1630     memcpy(out, init_buf, sizeof(init_buf));
1631     ret = FormatMessageA(0, "test", 0, 0, out, sizeof(out)/sizeof(CHAR), NULL);
1632     ok(ret == 0, "Expected FormatMessageA to return 0, got %u\n", ret);
1633     ok(!memcmp(out, init_buf, sizeof(init_buf)),
1634        "Expected the output buffer to be untouched\n");
1635     ok(GetLastError() == ERROR_INVALID_PARAMETER,
1636        "Expected GetLastError() to return ERROR_INVALID_PARAMETER, got %u\n",
1637        GetLastError());
1638
1639     SetLastError(0xdeadbeef);
1640     ptr = (char *)0xdeadbeef;
1641     ret = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER, "test", 0, 0, (char *)&ptr, 0, NULL);
1642     ok(ret == 0, "Expected FormatMessageA to return 0, got %u\n", ret);
1643     ok(ptr == NULL, "Expected output pointer to be initialized to NULL, got %p\n", ptr);
1644     ok(GetLastError() == ERROR_INVALID_PARAMETER,
1645        "Expected GetLastError() to return ERROR_INVALID_PARAMETER, got %u\n",
1646        GetLastError());
1647
1648     SetLastError(0xdeadbeef);
1649     memcpy(out, init_buf, sizeof(init_buf));
1650     ret = FormatMessageA(FORMAT_MESSAGE_IGNORE_INSERTS, "test", 0, 0, out, sizeof(out)/sizeof(CHAR), NULL);
1651     ok(ret == 0, "Expected FormatMessageA to return 0, got %u\n", ret);
1652     ok(!memcmp(out, init_buf, sizeof(init_buf)),
1653        "Expected the output buffer to be untouched\n");
1654     ok(GetLastError() == ERROR_INVALID_PARAMETER,
1655        "Expected GetLastError() to return ERROR_INVALID_PARAMETER, got %u\n",
1656        GetLastError());
1657
1658     SetLastError(0xdeadbeef);
1659     memcpy(out, init_buf, sizeof(init_buf));
1660     ret = FormatMessageA(FORMAT_MESSAGE_ARGUMENT_ARRAY, "test", 0, 0, out, sizeof(out)/sizeof(CHAR), NULL);
1661     ok(ret == 0, "Expected FormatMessageA to return 0, got %u\n", ret);
1662     ok(!memcmp(out, init_buf, sizeof(init_buf)),
1663        "Expected the output buffer to be untouched\n");
1664     ok(GetLastError() == ERROR_INVALID_PARAMETER,
1665        "Expected GetLastError() to return ERROR_INVALID_PARAMETER, got %u\n",
1666        GetLastError());
1667
1668     SetLastError(0xdeadbeef);
1669     memcpy(out, init_buf, sizeof(init_buf));
1670     ret = FormatMessageA(FORMAT_MESSAGE_MAX_WIDTH_MASK, "test", 0, 0, out, sizeof(out)/sizeof(CHAR), NULL);
1671     ok(ret == 0, "Expected FormatMessageA to return 0, got %u\n", ret);
1672     ok(!memcmp(out, init_buf, sizeof(init_buf)),
1673        "Expected the output buffer to be untouched\n");
1674     ok(GetLastError() == ERROR_INVALID_PARAMETER,
1675        "Expected GetLastError() to return ERROR_INVALID_PARAMETER, got %u\n",
1676        GetLastError());
1677
1678     /* Simultaneously setting FORMAT_MESSAGE_FROM_STRING with other source
1679      * flags is apparently permissible, and FORMAT_MESSAGE_FROM_STRING takes
1680      * precedence in this case. */
1681
1682     memcpy(out, init_buf, sizeof(init_buf));
1683     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_FROM_SYSTEM,
1684                          "test", 0, 0, out, sizeof(out)/sizeof(CHAR), NULL);
1685     ok(ret == 4, "Expected FormatMessageA to return 4, got %u\n", ret);
1686     ok(!strcmp("test", out),
1687        "Expected the output buffer to be untouched\n");
1688
1689     memcpy(out, init_buf, sizeof(init_buf));
1690     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_FROM_HMODULE,
1691                          "test", 0, 0, out, sizeof(out)/sizeof(CHAR), NULL);
1692     ok(ret == 4, "Expected FormatMessageA to return 4, got %u\n", ret);
1693     ok(!strcmp("test", out),
1694        "Expected the output buffer to be untouched\n");
1695
1696     memcpy(out, init_buf, sizeof(init_buf));
1697     ret = FormatMessageA(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_FROM_HMODULE |
1698                          FORMAT_MESSAGE_FROM_SYSTEM, "test", 0, 0, out,
1699                          sizeof(out)/sizeof(CHAR), NULL);
1700     ok(ret == 4, "Expected FormatMessageA to return 4, got %u\n", ret);
1701     ok(!strcmp("test", out),
1702        "Expected the output buffer to be untouched\n");
1703 }
1704
1705 static void test_message_invalid_flags_wide(void)
1706 {
1707     static const WCHAR init_buf[] = {'x', 'x', 'x', 'x', 'x'};
1708     static const WCHAR test[] = {'t','e','s','t',0};
1709
1710     DWORD ret;
1711     WCHAR out[5];
1712     WCHAR *ptr;
1713
1714     SetLastError(0xdeadbeef);
1715     memcpy(out, init_buf, sizeof(init_buf));
1716     ret = FormatMessageW(0, test, 0, 0, out, sizeof(out)/sizeof(WCHAR), NULL);
1717     ok(ret == 0, "Expected FormatMessageW to return 0, got %u\n", ret);
1718     ok(!memcmp(out, init_buf, sizeof(init_buf)),
1719        "Expected the output buffer to be untouched\n");
1720     ok(GetLastError() == ERROR_INVALID_PARAMETER,
1721        "Expected GetLastError() to return ERROR_INVALID_PARAMETER, got %u\n",
1722        GetLastError());
1723
1724     SetLastError(0xdeadbeef);
1725     ptr = (WCHAR *)0xdeadbeef;
1726     ret = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER, test, 0, 0, (WCHAR *)&ptr, 0, NULL);
1727     ok(ret == 0, "Expected FormatMessageW to return 0, got %u\n", ret);
1728     ok(ptr == NULL, "Expected output pointer to be initialized to NULL, got %p\n", ptr);
1729     ok(GetLastError() == ERROR_INVALID_PARAMETER,
1730        "Expected GetLastError() to return ERROR_INVALID_PARAMETER, got %u\n",
1731        GetLastError());
1732
1733     SetLastError(0xdeadbeef);
1734     memcpy(out, init_buf, sizeof(init_buf));
1735     ret = FormatMessageW(FORMAT_MESSAGE_IGNORE_INSERTS, test, 0, 0, out, sizeof(out)/sizeof(WCHAR), NULL);
1736     ok(ret == 0, "Expected FormatMessageW to return 0, got %u\n", ret);
1737     ok(!memcmp(out, init_buf, sizeof(init_buf)),
1738        "Expected the output buffer to be untouched\n");
1739     ok(GetLastError() == ERROR_INVALID_PARAMETER,
1740        "Expected GetLastError() to return ERROR_INVALID_PARAMETER, got %u\n",
1741        GetLastError());
1742
1743     SetLastError(0xdeadbeef);
1744     memcpy(out, init_buf, sizeof(init_buf));
1745     ret = FormatMessageW(FORMAT_MESSAGE_ARGUMENT_ARRAY, test, 0, 0, out, sizeof(out)/sizeof(WCHAR), NULL);
1746     ok(ret == 0, "Expected FormatMessageW to return 0, got %u\n", ret);
1747     ok(!memcmp(out, init_buf, sizeof(init_buf)),
1748        "Expected the output buffer to be untouched\n");
1749     ok(GetLastError() == ERROR_INVALID_PARAMETER,
1750        "Expected GetLastError() to return ERROR_INVALID_PARAMETER, got %u\n",
1751        GetLastError());
1752
1753     SetLastError(0xdeadbeef);
1754     memcpy(out, init_buf, sizeof(init_buf));
1755     ret = FormatMessageW(FORMAT_MESSAGE_MAX_WIDTH_MASK, test, 0, 0, out, sizeof(out)/sizeof(WCHAR), NULL);
1756     ok(ret == 0, "Expected FormatMessageW to return 0, got %u\n", ret);
1757     ok(!memcmp(out, init_buf, sizeof(init_buf)),
1758        "Expected the output buffer to be untouched\n");
1759     ok(GetLastError() == ERROR_INVALID_PARAMETER,
1760        "Expected GetLastError() to return ERROR_INVALID_PARAMETER, got %u\n",
1761        GetLastError());
1762
1763     /* Simultaneously setting FORMAT_MESSAGE_FROM_STRING with other source
1764      * flags is apparently permissible, and FORMAT_MESSAGE_FROM_STRING takes
1765      * precedence in this case. */
1766
1767     memcpy(out, init_buf, sizeof(init_buf));
1768     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_FROM_SYSTEM,
1769                          test, 0, 0, out, sizeof(out)/sizeof(WCHAR), NULL);
1770     ok(ret == 4, "Expected FormatMessageW to return 4, got %u\n", ret);
1771     ok(!lstrcmpW(test, out),
1772        "Expected the output buffer to be untouched\n");
1773
1774     memcpy(out, init_buf, sizeof(init_buf));
1775     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_FROM_HMODULE,
1776                          test, 0, 0, out, sizeof(out)/sizeof(WCHAR), NULL);
1777     ok(ret == 4, "Expected FormatMessageW to return 4, got %u\n", ret);
1778     ok(!lstrcmpW(test, out),
1779        "Expected the output buffer to be untouched\n");
1780
1781     memcpy(out, init_buf, sizeof(init_buf));
1782     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_FROM_HMODULE |
1783                          FORMAT_MESSAGE_FROM_SYSTEM, test, 0, 0, out,
1784                          sizeof(out)/sizeof(WCHAR), NULL);
1785     ok(ret == 4, "Expected FormatMessageW to return 4, got %u\n", ret);
1786     ok(!lstrcmpW(test, out),
1787        "Expected the output buffer to be untouched\n");
1788 }
1789
1790 static void test_message_from_64bit_number(void)
1791 {
1792     static const WCHAR I64d[] = {'%', '1', '!', 'I', '6', '4', 'd', '!', 0};
1793     static const WCHAR I64u[] = {'%', '1', '!', 'I', '6', '4', 'u', '!', 0};
1794     WCHAR outW[0x100], expW[0x100];
1795     char outA[0x100];
1796     DWORD r;
1797     static const struct
1798     {
1799         UINT64 number;
1800         const char expected[32];
1801         int len;
1802     } unsigned_tests[] =
1803     {
1804         { 0, "0", 1 },
1805         { 1234567890, "1234567890", 10},
1806         { ULL(0xFFFFFFFF,0xFFFFFFFF), "18446744073709551615", 20 },
1807         { ULL(0x7FFFFFFF,0xFFFFFFFF), "9223372036854775807", 19 },
1808     };
1809     static const struct
1810     {
1811         INT64 number;
1812         const char expected[32];
1813         int len;
1814     } signed_tests[] =
1815     {
1816         { 0, "0" , 1},
1817         { 1234567890, "1234567890", 10 },
1818         { -1, "-1", 2},
1819         { ULL(0xFFFFFFFF,0xFFFFFFFF), "-1", 2},
1820         { ULL(0x7FFFFFFF,0xFFFFFFFF), "9223372036854775807", 19 },
1821         { -ULL(0x7FFFFFFF,0xFFFFFFFF), "-9223372036854775807", 20},
1822     };
1823     int i;
1824
1825     for (i = 0; i < sizeof(unsigned_tests) / sizeof(unsigned_tests[0]); i++)
1826     {
1827         r = doitW(FORMAT_MESSAGE_FROM_STRING, I64u,
1828                   0, 0, outW, sizeof(outW) / sizeof(WCHAR), unsigned_tests[i].number);
1829         MultiByteToWideChar(CP_ACP, 0, unsigned_tests[i].expected, -1, expW, sizeof(expW) / sizeof(WCHAR));
1830 todo_wine {
1831         ok(!lstrcmpW(outW, expW),"[%d] failed, expected %s, got %s\n", i,
1832                      unsigned_tests[i].expected, wine_dbgstr_w(outW));
1833         ok(r == unsigned_tests[i].len,"[%d] failed: r=%d\n", i, r);
1834 }
1835         r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!I64u!",
1836                   0, 0, outA, sizeof(outA), unsigned_tests[i].number);
1837 todo_wine {
1838         ok(!strcmp(outA, unsigned_tests[i].expected),"[%d] failed, expected %s, got %s\n", i,
1839                    unsigned_tests[i].expected, outA);
1840         ok(r == unsigned_tests[i].len,"[%d] failed: r=%d\n", i, r);
1841 }
1842     }
1843
1844     for (i = 0; i < sizeof(signed_tests) / sizeof(signed_tests[0]); i++)
1845     {
1846         r = doitW(FORMAT_MESSAGE_FROM_STRING, I64d,
1847                   0, 0, outW, sizeof(outW) / sizeof(WCHAR), signed_tests[i].number);
1848         MultiByteToWideChar(CP_ACP, 0, signed_tests[i].expected, -1, expW, sizeof(expW) / sizeof(WCHAR));
1849 todo_wine {
1850         ok(!lstrcmpW(outW, expW),"[%d] failed, expected %s, got %s\n", i,
1851                      signed_tests[i].expected, wine_dbgstr_w(outW));
1852         ok(r == signed_tests[i].len,"[%d] failed: r=%d\n", i, r);
1853 }
1854         r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!I64d!",
1855                   0, 0, outA, sizeof(outA), signed_tests[i].number);
1856 todo_wine {
1857         ok(!strcmp(outA, signed_tests[i].expected),"[%d] failed, expected %s, got %s\n", i,
1858                    signed_tests[i].expected, outA);
1859         ok(r == signed_tests[i].len,"[%d] failed: r=%d\n", i, r);
1860 }
1861     }
1862 }
1863
1864 START_TEST(format_msg)
1865 {
1866     DWORD ret;
1867
1868     test_message_from_string();
1869     test_message_ignore_inserts();
1870     test_message_wrap();
1871     test_message_insufficient_buffer();
1872     test_message_null_buffer();
1873     test_message_allocate_buffer();
1874     test_message_from_hmodule();
1875     test_message_invalid_flags();
1876
1877     SetLastError(0xdeadbeef);
1878     ret = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, NULL, 0, 0, NULL, 0, NULL);
1879     if (!ret && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
1880     {
1881         win_skip("FormatMessageW is not implemented\n");
1882         return;
1883     }
1884
1885     test_message_from_string_wide();
1886     test_message_ignore_inserts_wide();
1887     test_message_insufficient_buffer_wide();
1888     test_message_null_buffer_wide();
1889     test_message_allocate_buffer_wide();
1890     test_message_invalid_flags_wide();
1891     test_message_from_64bit_number();
1892 }