dlls/kernel32/tests/format_msg.c

   1 /* Unit test suite for FormatMessageA/W
   2  *
   3  * Copyright 2002 Mike McCormack for CodeWeavers
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include <stdarg.h>
  21
  22 #include "wine/test.h"
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winnls.h"
  26
  27 /* #define ok(cond,failstr) if(!(cond)) {printf("line %d : %s\n",__LINE__,failstr);exit(1);} */
  28
  29 static DWORD doit(DWORD flags, LPCVOID src, DWORD msg_id, DWORD lang_id,
  30            LPSTR out, DWORD outsize, ... )
  31 {
  32     va_list list;
  33     DWORD r;
  34
  35     va_start(list, outsize);
  36     r = FormatMessageA(flags, src, msg_id,
  37         lang_id, out, outsize, &list);
  38     va_end(list);
  39     return r;
  40 }
  41
  42 static DWORD doitW(DWORD flags, LPCVOID src, DWORD msg_id, DWORD lang_id,
  43            LPWSTR out, DWORD outsize, ... )
  44 {
  45     va_list list;
  46     DWORD r;
  47
  48     va_start(list, outsize);
  49     r = FormatMessageW(flags, src, msg_id,
  50         lang_id, out, outsize, &list);
  51     va_end(list);
  52     return r;
  53 }
  54
  55 static char buf[1024];
  56 static const char *debugstr_w(const WCHAR *str)
  57 {
  58     WideCharToMultiByte(CP_ACP, 0, str, -1, buf, sizeof(buf), NULL, NULL);
  59     return buf;
  60 }
  61
  62 static void test_message_from_string_wide(void)
  63 {
  64     static const WCHAR test[]        = {'t','e','s','t',0};
  65     static const WCHAR te[]          = {'t','e',0};
  66     static const WCHAR st[]          = {'s','t',0};
  67     static const WCHAR t[]           = {'t',0};
  68     static const WCHAR e[]           = {'e',0};
  69     static const WCHAR s[]           = {'s',0};
  70     static const WCHAR fmt_1[]       = {'%','1',0};
  71     static const WCHAR fmt_12[]      = {'%','1','%','2',0};
  72     static const WCHAR fmt_123[]     = {'%','1','%','3','%','2','%','1',0};
  73     static const WCHAR fmt_123c[]    = {'%','1','!','c','!','%','2','!','c','!','%','3','!','c','!','%','1','!','c','!',0};
  74     static const WCHAR fmt_123lc[]   = {'%','1','!','l','c','!','%','2','!','l','c','!','%','3','!','l','c','!','%','1','!','l','c','!',0};
  75     static const WCHAR fmt_123wc[]   = {'%','1','!','w','c','!','%','2','!','w','c','!','%','3','!','w','c','!','%','1','!','w','c','!',0};
  76     static const WCHAR fmt_123C[]    = {'%','1','!','C','!','%','2','!','C','!','%','3','!','C','!','%','1','!','C','!',0};
  77     static const WCHAR fmt_123d[]    = {'%','1','!','d','!','%','2','!','d','!','%','3','!','d','!',0};
  78     static const WCHAR fmt_1s[]      = {'%','1','!','s','!',0};
  79     static const WCHAR fmt_s[]       = {'%','!','s','!',0};
  80     static const WCHAR fmt_ls[]      = {'%','!','l','s','!',0};
  81     static const WCHAR fmt_ws[]      = {'%','!','w','s','!',0};
  82     static const WCHAR fmt_S[]       = {'%','!','S','!',0};
  83     static const WCHAR fmt_14d[]     = {'%','1','!','4','d','!',0};
  84     static const WCHAR fmt_14x[]     = {'%','1','!','4','x','!',0};
  85     static const WCHAR fmt_14X[]     = {'%','1','!','4','X','!',0};
  86     static const WCHAR fmt_1_4X[]    = {'%','1','!','-','4','X','!',0};
  87     static const WCHAR fmt_1_4d[]    = {'%','1','!','-','4','d','!',0};
  88     static const WCHAR fmt_2pct[]    = {' ','%','%','%','%',' ',0};
  89     static const WCHAR fmt_2dot1d[]  = {' ', '%','.','%','.',' ',' ','%','1','!','d','!',0};
  90     static const WCHAR fmt_t0t[]     = {'t','e','s','t','%','0','t','e','s','t',0};
  91     static const WCHAR fmt_yah[]     = {'y','a','h','%','!','%','0',' ',' ',' ',0};
  92     static const WCHAR fmt_space[]   = {'%',' ','%',' ',' ',' ',0};
  93     static const WCHAR fmt_hi_lf[]   = {'h','i','\n',0};
  94     static const WCHAR fmt_hi_crlf[] = {'h','i','\r','\n',0};
  95     static const WCHAR fmt_cr[]      = {'\r',0};
  96     static const WCHAR fmt_crcrlf[]  = {'\r','\r','\n',0};
  97     static const WCHAR s_123d[]      = {'1','2','3',0};
  98     static const WCHAR s_14d[]       = {' ',' ',' ','1',0};
  99     static const WCHAR s_14x[]       = {' ',' ',' ','b',0};
 100     static const WCHAR s_14X[]       = {' ',' ',' ','B',0};
 101     static const WCHAR s_1_4X[]      = {'B',' ',' ',' ',0};
 102     static const WCHAR s_14d2[]      = {' ',' ','1','1',0};
 103     static const WCHAR s_1_4d[]      = {'1',' ',' ',' ',0};
 104     static const WCHAR s_1AB[]       = {' ','1','A','B',0};
 105     static const WCHAR s_2pct[]      = {' ','%','%',' ',0};
 106     static const WCHAR s_2dot147[]   = {' ','.','.',' ',' ','4','2','7',0};
 107     static const WCHAR s_yah[]       = {'y','a','h','!',0};
 108     static const WCHAR s_space[]     = {' ',' ',' ',' ',0};
 109     static const WCHAR s_hi_crlf[]   = {'h','i','\r','\n',0};
 110     static const WCHAR s_crlf[]      = {'\r','\n',0};
 111     static const WCHAR s_crlfcrlf[]  = {'\r','\n','\r','\n',0};
 112     static const WCHAR s_hi_sp[]     = {'h','i',' ',0};
 113     static const WCHAR s_sp[]        = {' ',0};
 114     static const WCHAR s_2sp[]       = {' ',' ',0};
 115     WCHAR out[0x100] = {0};
 116     DWORD r, error;
 117
 118     SetLastError(0xdeadbeef);
 119     r = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, NULL, 0, 0, NULL, 0, NULL);
 120     error = GetLastError();
 121     if (!r && error == ERROR_CALL_NOT_IMPLEMENTED)
 122     {
 123         win_skip("FormatMessageW is not implemented\n");
 124         return;
 125     }
 126
 127     /* the basics */
 128     r = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, test, 0,
 129         0, out, sizeof(out)/sizeof(WCHAR), NULL);
 130     ok(!lstrcmpW(test, out), "failed out=[%s]\n", debugstr_w(out));
 131     ok(r==4, "failed: r=%d\n", r);
 132
 133     /* using the format feature */
 134     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1s, 0,
 135         0, out, sizeof(out)/sizeof(WCHAR), test);
 136     ok(!lstrcmpW(test, out), "failed out=[%s]\n", debugstr_w(out));
 137     ok(r==4,"failed: r=%d\n", r);
 138
 139     /* no format */
 140     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1, 0,
 141         0, out, sizeof(out)/sizeof(WCHAR), test);
 142     ok(!lstrcmpW(test, out), "failed out=[%s]\n", debugstr_w(out));
 143     ok(r==4,"failed: r=%d\n", r);
 144
 145     /* two pieces */
 146     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_12, 0,
 147         0, out, sizeof(out)/sizeof(WCHAR), te, st);
 148     ok(!lstrcmpW(test, out), "failed out=[%s]\n", debugstr_w(out));
 149     ok(r==4,"failed: r=%d\n", r);
 150
 151     /* three pieces */
 152     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123, 0,
 153         0, out, sizeof(out)/sizeof(WCHAR), t, s, e);
 154     ok(!lstrcmpW(test, out), "failed out=[%s]\n", debugstr_w(out));
 155     ok(r==4,"failed: r=%d\n", r);
 156
 157     /* s doesn't seem to work in format strings */
 158     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_s, 0,
 159         0, out, sizeof(out)/sizeof(WCHAR), test);
 160     ok(!lstrcmpW(&fmt_s[1], out), "failed out=[%s]\n", debugstr_w(out));
 161     ok(r==3, "failed: r=%d\n", r);
 162
 163     /* nor ls */
 164     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_ls, 0,
 165         0, out, sizeof(out)/sizeof(WCHAR), test);
 166     ok(!lstrcmpW(&fmt_ls[1], out), "failed out=[%s]\n", debugstr_w(out));
 167     ok(r==4, "failed: r=%d\n", r);
 168
 169     /* nor S */
 170     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_S, 0,
 171         0, out, sizeof(out)/sizeof(WCHAR), test);
 172     ok(!lstrcmpW(&fmt_S[1], out), "failed out=[%s]\n", debugstr_w(out));
 173     ok(r==3, "failed: r=%d\n", r);
 174
 175     /* nor ws */
 176     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_ws, 0,
 177         0, out, sizeof(out)/sizeof(WCHAR), test);
 178     ok(!lstrcmpW(&fmt_ws[1], out), "failed out=[%s]\n", debugstr_w(out));
 179     ok(r==4, "failed: r=%d\n", r);
 180
 181     /* as characters */
 182     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123c, 0,
 183         0, out, sizeof(out)/sizeof(WCHAR), 't', 'e', 's');
 184     ok(!lstrcmpW(test, out), "failed out=[%s]\n", debugstr_w(out));
 185     ok(r==4,"failed: r=%d\n", r);
 186
 187     /* lc is unicode */
 188     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123lc, 0,
 189         0, out, sizeof(out)/sizeof(WCHAR), 't', 'e', 's');
 190     ok(!lstrcmpW(test, out), "failed out=[%s]\n", debugstr_w(out));
 191     ok(r==4,"failed: r=%d\n", r);
 192
 193     /* wc is unicode */
 194     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123wc, 0,
 195         0, out, sizeof(out)/sizeof(WCHAR), 't', 'e', 's');
 196     ok(!lstrcmpW(test, out), "failed out=[%s]\n", debugstr_w(out));
 197     ok(r==4,"failed: r=%d\n", r);
 198
 199     /* C is unicode */
 200     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123C, 0,
 201         0, out, sizeof(out)/sizeof(WCHAR), 't', 'e', 's');
 202     ok(!lstrcmpW(test, out), "failed out=[%s]\n", debugstr_w(out));
 203     ok(r==4,"failed: r=%d\n", r);
 204
 205     /* some numbers */
 206     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_123d, 0,
 207         0, out, sizeof(out)/sizeof(WCHAR), 1, 2, 3);
 208     ok(!lstrcmpW(s_123d, out), "failed out=[%s]\n", debugstr_w(out));
 209     ok(r==3,"failed: r=%d\n", r);
 210
 211     /* a single digit with some spacing */
 212     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_14d, 0,
 213         0, out, sizeof(out)/sizeof(WCHAR), 1);
 214     ok(!lstrcmpW(s_14d, out), "failed out=[%s]\n", debugstr_w(out));
 215
 216     /* a single digit, left justified */
 217     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1_4d, 0,
 218         0, out, sizeof(out)/sizeof(CHAR), 1);
 219     ok(!lstrcmpW(s_1_4d, out), "failed out=[%s]\n", debugstr_w(out));
 220     ok(r==4,"failed: r=%d\n", r);
 221
 222     /* two digit decimal number */
 223     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_14d, 0,
 224         0, out, sizeof(out)/sizeof(WCHAR), 11);
 225     ok(!lstrcmpW(s_14d2, out), "failed out=[%s]\n", debugstr_w(out));
 226     ok(r==4,"failed: r=%d\n", r);
 227
 228     /* a hex number */
 229     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_14x, 0,
 230         0, out, sizeof(out)/sizeof(WCHAR), 11);
 231     ok(!lstrcmpW(s_14x, out), "failed out=[%s]\n", debugstr_w(out));
 232     ok(r==4,"failed: r=%d\n", r);
 233
 234     /* a hex number, upper case */
 235     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_14X, 0,
 236         0, out, sizeof(out)/sizeof(WCHAR), 11);
 237     ok(!lstrcmpW(s_14X, out), "failed out=[%s]\n", debugstr_w(out));
 238     ok(r==4,"failed: r=%d\n", r);
 239
 240     /* a hex number, upper case, left justified */
 241     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_1_4X, 0,
 242         0, out, sizeof(out)/sizeof(WCHAR), 11);
 243     ok(!lstrcmpW(s_1_4X, out), "failed out=[%s]\n", debugstr_w(out));
 244     ok(r==4,"failed: r=%d\n", r);
 245
 246     /* a long hex number, upper case */
 247     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_14X, 0,
 248         0, out, sizeof(out)/sizeof(WCHAR), 0x1ab);
 249     ok(!lstrcmpW(s_1AB, out), "failed out=[%s]\n", debugstr_w(out));
 250     ok(r==4,"failed: r=%d\n", r);
 251
 252     /* two percent... */
 253     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_2pct, 0,
 254         0, out, sizeof(out)/sizeof(WCHAR));
 255     ok(!lstrcmpW(s_2pct, out), "failed out=[%s]\n", debugstr_w(out));
 256     ok(r==4,"failed: r=%d\n", r);
 257
 258     /* periods are special cases */
 259     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_2dot1d, 0,
 260         0, out, sizeof(out)/sizeof(WCHAR), 0x1ab);
 261     ok(!lstrcmpW(s_2dot147, out), "failed out=[%s]\n", debugstr_w(out));
 262     ok(r==8,"failed: r=%d\n", r);
 263
 264     /* %0 ends the line */
 265     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_t0t, 0,
 266         0, out, sizeof(out)/sizeof(WCHAR));
 267     ok(!lstrcmpW(test, out), "failed out=[%s]\n", debugstr_w(out));
 268     ok(r==4,"failed: r=%d\n", r);
 269
 270     /* %! prints an exclamation */
 271     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_yah, 0,
 272         0, out, sizeof(out)/sizeof(WCHAR));
 273     ok(!lstrcmpW(s_yah, out), "failed out=[%s]\n", debugstr_w(out));
 274     ok(r==4,"failed: r=%d\n", r);
 275
 276     /* %space */
 277     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_space, 0,
 278         0, out, sizeof(out)/sizeof(WCHAR));
 279     ok(!lstrcmpW(s_space, out), "failed out=[%s]\n", debugstr_w(out));
 280     ok(r==4,"failed: r=%d\n", r);
 281
 282     /* line feed */
 283     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_hi_lf, 0,
 284         0, out, sizeof(out)/sizeof(WCHAR));
 285     ok(!lstrcmpW(s_hi_crlf, out), "failed out=[%s]\n", debugstr_w(out));
 286     ok(r==4,"failed: r=%d\n", r);
 287
 288     /* carriage return line feed */
 289     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_hi_crlf, 0,
 290         0, out, sizeof(out)/sizeof(WCHAR));
 291     ok(!lstrcmpW(s_hi_crlf, out), "failed out=[%s]\n", debugstr_w(out));
 292     ok(r==4,"failed: r=%d\n", r);
 293
 294     /* carriage return */
 295     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_cr, 0,
 296         0, out, sizeof(out)/sizeof(WCHAR));
 297     ok(!lstrcmpW(s_crlf, out), "failed out=[%s]\n", debugstr_w(out));
 298     ok(r==2,"failed: r=%d\n", r);
 299
 300     /* double carriage return line feed */
 301     r = doitW(FORMAT_MESSAGE_FROM_STRING, fmt_crcrlf, 0,
 302         0, out, sizeof(out)/sizeof(WCHAR));
 303     ok(!lstrcmpW(s_crlfcrlf, out), "failed out=[%s]\n", debugstr_w(out));
 304     ok(r==4,"failed: r=%d\n", r);
 305
 306     /* change of pace... test the low byte of dwflags */
 307
 308     /* line feed */
 309     r = doitW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_hi_lf, 0,
 310         0, out, sizeof(out)/sizeof(WCHAR));
 311     ok(!lstrcmpW(s_hi_sp, out) || !lstrcmpW(s_hi_crlf, out), "failed out=[%s]\n", debugstr_w(out));
 312     ok(r==3 || r==4,"failed: r=%d\n", r);
 313
 314     /* carriage return line feed */
 315     r = doitW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_hi_crlf, 0,
 316         0, out, sizeof(out)/sizeof(WCHAR));
 317     ok(!lstrcmpW(s_hi_sp, out), "failed out=[%s]\n", debugstr_w(out));
 318     ok(r==3,"failed: r=%d\n", r);
 319
 320     /* carriage return */
 321     r = doitW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_cr, 0,
 322         0, out, sizeof(out)/sizeof(WCHAR));
 323     ok(!lstrcmpW(s_sp, out), "failed out=[%s]\n", debugstr_w(out));
 324     ok(r==1,"failed: r=%d\n", r);
 325
 326     /* double carriage return line feed */
 327     r = doitW(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, fmt_crcrlf, 0,
 328         0, out, sizeof(out)/sizeof(WCHAR));
 329     ok(!lstrcmpW(s_2sp, out), "failed out=[%s]\n", debugstr_w(out));
 330     ok(r==2,"failed: r=%d\n", r);
 331 }
 332
 333 static void test_message_from_string(void)
 334 {
 335     CHAR out[0x100] = {0};
 336     DWORD r;
 337     static const WCHAR szwTest[] = { 't','e','s','t',0};
 338
 339     /* the basics */
 340     r = FormatMessageA(FORMAT_MESSAGE_FROM_STRING, "test", 0,
 341         0, out, sizeof(out)/sizeof(CHAR),NULL);
 342     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 343     ok(r==4,"failed: r=%d\n",r);
 344
 345     /* using the format feature */
 346     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!s!", 0,
 347         0, out, sizeof(out)/sizeof(CHAR), "test");
 348     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 349     ok(r==4,"failed: r=%d\n",r);
 350
 351     /* no format */
 352     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1", 0,
 353         0, out, sizeof(out)/sizeof(CHAR), "test");
 354     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 355     ok(r==4,"failed: r=%d\n",r);
 356
 357     /* two pieces */
 358     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1%2", 0,
 359         0, out, sizeof(out)/sizeof(CHAR), "te","st");
 360     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 361     ok(r==4,"failed: r=%d\n",r);
 362
 363     /* three pieces */
 364     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1%3%2%1", 0,
 365         0, out, sizeof(out)/sizeof(CHAR), "t","s","e");
 366     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 367     ok(r==4,"failed: r=%d\n",r);
 368
 369     /* s doesn't seem to work in format strings */
 370     r = doit(FORMAT_MESSAGE_FROM_STRING, "%!s!", 0,
 371         0, out, sizeof(out)/sizeof(CHAR), "test");
 372     ok(!strcmp("!s!", out),"failed out=[%s]\n",out);
 373     ok(r==3,"failed: r=%d\n",r);
 374
 375     /* ls is unicode */
 376     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!ls!", 0,
 377         0, out, sizeof(out)/sizeof(CHAR), szwTest);
 378     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 379     ok(r==4,"failed: r=%d\n",r);
 380
 381     /* S is unicode */
 382     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!S!", 0,
 383         0, out, sizeof(out)/sizeof(CHAR), szwTest);
 384     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 385     ok(r==4,"failed: r=%d\n",r);
 386
 387     /* ws is unicode */
 388     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!ws!", 0,
 389         0, out, sizeof(out)/sizeof(CHAR), szwTest);
 390     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 391     ok(r==4,"failed: r=%d\n",r);
 392
 393     /* as characters */
 394     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!c!%2!c!%3!c!%1!c!", 0,
 395         0, out, sizeof(out)/sizeof(CHAR), 't','e','s');
 396     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 397     ok(r==4,"failed: r=%d\n",r);
 398
 399     /* lc is unicode */
 400     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!lc!%2!lc!%3!lc!%1!lc!", 0,
 401         0, out, sizeof(out)/sizeof(CHAR), 't','e','s');
 402     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 403     ok(r==4,"failed: r=%d\n",r);
 404
 405     /* wc is unicode */
 406     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!wc!%2!wc!%3!wc!%1!wc!", 0,
 407         0, out, sizeof(out)/sizeof(CHAR), 't','e','s');
 408     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 409     ok(r==4,"failed: r=%d\n",r);
 410
 411     /* C is unicode */
 412     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!C!%2!C!%3!C!%1!C!", 0,
 413         0, out, sizeof(out)/sizeof(CHAR), 't','e','s');
 414     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 415     ok(r==4,"failed: r=%d\n",r);
 416
 417     /* some numbers */
 418     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!d!%2!d!%3!d!", 0,
 419         0, out, sizeof(out)/sizeof(CHAR), 1,2,3);
 420     ok(!strcmp("123", out),"failed out=[%s]\n",out);
 421     ok(r==3,"failed: r=%d\n",r);
 422
 423     /* a single digit with some spacing */
 424     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4d!", 0,
 425         0, out, sizeof(out)/sizeof(CHAR), 1);
 426     ok(!strcmp("   1", out),"failed out=[%s]\n",out);
 427     ok(r==4,"failed: r=%d\n",r);
 428
 429     /* a single digit, left justified */
 430     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!-4d!", 0,
 431         0, out, sizeof(out)/sizeof(CHAR), 1);
 432     ok(!strcmp("1   ", out),"failed out=[%s]\n",out);
 433     ok(r==4,"failed: r=%d\n",r);
 434
 435     /* two digit decimal number */
 436     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4d!", 0,
 437         0, out, sizeof(out)/sizeof(CHAR), 11);
 438     ok(!strcmp("  11", out),"failed out=[%s]\n",out);
 439     ok(r==4,"failed: r=%d\n",r);
 440
 441     /* a hex number */
 442     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4x!", 0,
 443         0, out, sizeof(out)/sizeof(CHAR), 11);
 444     ok(!strcmp("   b", out),"failed out=[%s]\n",out);
 445     ok(r==4,"failed: r=%d\n",r);
 446
 447     /* a hex number, upper case */
 448     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4X!", 0,
 449         0, out, sizeof(out)/sizeof(CHAR), 11);
 450     ok(!strcmp("   B", out),"failed out=[%s]\n",out);
 451     ok(r==4,"failed: r=%d\n",r);
 452
 453     /* a hex number, upper case, left justified */
 454     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!-4X!", 0,
 455         0, out, sizeof(out)/sizeof(CHAR), 11);
 456     ok(!strcmp("B   ", out),"failed out=[%s]\n",out);
 457     ok(r==4,"failed: r=%d\n",r);
 458
 459     /* a long hex number, upper case */
 460     r = doit(FORMAT_MESSAGE_FROM_STRING, "%1!4X!", 0,
 461         0, out, sizeof(out)/sizeof(CHAR), 0x1ab);
 462     ok(!strcmp(" 1AB", out),"failed out=[%s]\n",out);
 463     ok(r==4,"failed: r=%d\n",r);
 464
 465     /* two percent... */
 466     r = doit(FORMAT_MESSAGE_FROM_STRING, " %%%% ", 0,
 467         0, out, sizeof(out)/sizeof(CHAR));
 468     ok(!strcmp(" %% ", out),"failed out=[%s]\n",out);
 469     ok(r==4,"failed: r=%d\n",r);
 470
 471     /* periods are special cases */
 472     r = doit(FORMAT_MESSAGE_FROM_STRING, " %.%. %1!d!", 0,
 473         0, out, sizeof(out)/sizeof(CHAR), 0x1ab);
 474     ok(!strcmp(" .. 427", out),"failed out=[%s]\n",out);
 475     ok(r==7,"failed: r=%d\n",r);
 476
 477     /* %0 ends the line */
 478     r = doit(FORMAT_MESSAGE_FROM_STRING, "test%0test", 0,
 479         0, out, sizeof(out)/sizeof(CHAR));
 480     ok(!strcmp("test", out),"failed out=[%s]\n",out);
 481     ok(r==4,"failed: r=%d\n",r);
 482
 483     /* %! prints an exclamation */
 484     r = doit(FORMAT_MESSAGE_FROM_STRING, "yah%!%0   ", 0,
 485         0, out, sizeof(out)/sizeof(CHAR));
 486     ok(!strcmp("yah!", out),"failed out=[%s]\n",out);
 487     ok(r==4,"failed: r=%d\n",r);
 488
 489     /* %space */
 490     r = doit(FORMAT_MESSAGE_FROM_STRING, "% %   ", 0,
 491         0, out, sizeof(out)/sizeof(CHAR));
 492     ok(!strcmp("    ", out),"failed out=[%s]\n",out);
 493     ok(r==4,"failed: r=%d\n",r);
 494
 495     /* line feed */
 496     r = doit(FORMAT_MESSAGE_FROM_STRING, "hi\n", 0,
 497         0, out, sizeof(out)/sizeof(CHAR));
 498     ok(!strcmp("hi\r\n", out),"failed out=[%s]\n",out);
 499     ok(r==4,"failed: r=%d\n",r);
 500
 501     /* carriage return line feed */
 502     r = doit(FORMAT_MESSAGE_FROM_STRING, "hi\r\n", 0,
 503         0, out, sizeof(out)/sizeof(CHAR));
 504     ok(!strcmp("hi\r\n", out),"failed out=[%s]\n",out);
 505     ok(r==4,"failed: r=%d\n",r);
 506
 507     /* carriage return */
 508     r = doit(FORMAT_MESSAGE_FROM_STRING, "\r", 0,
 509         0, out, sizeof(out)/sizeof(CHAR));
 510     ok(!strcmp("\r\n", out),"failed out=[%s]\n",out);
 511     ok(r==2,"failed: r=%d\n",r);
 512
 513     /* double carriage return line feed */
 514     r = doit(FORMAT_MESSAGE_FROM_STRING, "\r\r\n", 0,
 515         0, out, sizeof(out)/sizeof(CHAR));
 516     ok(!strcmp("\r\n\r\n", out),"failed out=[%s]\n",out);
 517     ok(r==4,"failed: r=%d\n",r);
 518
 519     /* change of pace... test the low byte of dwflags */
 520
 521     /* line feed */
 522     r = doit(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, "hi\n", 0,
 523         0, out, sizeof(out)/sizeof(CHAR));
 524     ok(!strcmp("hi ", out) || !strcmp("hi\r\n", out),"failed out=[%s]\n",out);
 525     ok(r==3 || r==4,"failed: r=%d\n",r);
 526
 527     /* carriage return line feed */
 528     r = doit(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, "hi\r\n", 0,
 529         0, out, sizeof(out)/sizeof(CHAR));
 530     ok(!strcmp("hi ", out),"failed out=[%s]\n",out);
 531     ok(r==3,"failed: r=%d\n",r);
 532
 533     /* carriage return */
 534     r = doit(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, "\r", 0,
 535         0, out, sizeof(out)/sizeof(CHAR));
 536     ok(!strcmp(" ", out),"failed out=[%s]\n",out);
 537     ok(r==1,"failed: r=%d\n",r);
 538
 539     /* double carriage return line feed */
 540     r = doit(FORMAT_MESSAGE_FROM_STRING | FORMAT_MESSAGE_MAX_WIDTH_MASK, "\r\r\n", 0,
 541         0, out, sizeof(out)/sizeof(CHAR));
 542     ok(!strcmp("  ", out),"failed out=[%s]\n",out);
 543     ok(r==2,"failed: r=%d\n",r);
 544 }
 545
 546 static void test_message_null_buffer(void)
 547 {
 548     DWORD ret, error;
 549
 550     SetLastError(0xdeadbeef);
 551     ret = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, 0, 0, NULL, 0, NULL);
 552     error = GetLastError();
 553     ok(!ret, "FormatMessageA returned %u\n", ret);
 554     ok(error == ERROR_NOT_ENOUGH_MEMORY ||
 555        error == ERROR_INVALID_PARAMETER, /* win9x */
 556        "last error %u\n", error);
 557
 558     SetLastError(0xdeadbeef);
 559     ret = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, 0, 0, NULL, 0, NULL);
 560     error = GetLastError();
 561     if (!ret && error == ERROR_CALL_NOT_IMPLEMENTED)
 562     {
 563         win_skip("FormatMessageW is not implemented\n");
 564         return;
 565     }
 566
 567     ok(!ret, "FormatMessageW returned %u\n", ret);
 568     ok(error == ERROR_INVALID_PARAMETER, "last error %u\n", error);
 569 }
 570
 571 START_TEST(format_msg)
 572 {
 573     test_message_from_string();
 574     test_message_from_string_wide();
 575     test_message_null_buffer();
 576 }