dlls/msvcrt/tests/printf.c

   1 /*
   2  * Conformance tests for *printf functions.
   3  *
   4  * Copyright 2002 Uwe Bonnes
   5  * Copyright 2004 Aneurin Price
   6  * Copyright 2005 Mike McCormack
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 /* With Visual Studio >= 2005,  swprintf() takes an extra parameter unless
  24  * the following macro is defined.
  25  */
  26 #define _CRT_NON_CONFORMING_SWPRINTFS
  27
  28 #include <stdio.h>
  29
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "winnls.h"
  33
  34 #include "wine/test.h"
  35
  36 static void test_sprintf( void )
  37 {
  38     char buffer[100];
  39     const char *format;
  40     double pnumber=789456123;
  41     int x, r;
  42     WCHAR wide[] = { 'w','i','d','e',0};
  43
  44     format = "%+#23.15e";
  45     r = sprintf(buffer,format,pnumber);
  46     ok(!strcmp(buffer,"+7.894561230000000e+008"),"+#23.15e failed: '%s'\n", buffer);
  47     ok( r==23, "return count wrong\n");
  48
  49     format = "%-#23.15e";
  50     r = sprintf(buffer,format,pnumber);
  51     ok(!strcmp(buffer,"7.894561230000000e+008 "),"-#23.15e failed: '%s'\n", buffer);
  52     ok( r==23, "return count wrong\n");
  53
  54     format = "%#23.15e";
  55     r = sprintf(buffer,format,pnumber);
  56     ok(!strcmp(buffer," 7.894561230000000e+008"),"#23.15e failed: '%s'\n", buffer);
  57     ok( r==23, "return count wrong\n");
  58
  59     format = "%#1.1g";
  60     r = sprintf(buffer,format,pnumber);
  61     ok(!strcmp(buffer,"8.e+008"),"#1.1g failed: '%s'\n", buffer);
  62     ok( r==7, "return count wrong\n");
  63
  64     format = "%I64d";
  65     r = sprintf(buffer,format,((ULONGLONG)0xffffffff)*0xffffffff);
  66     ok(!strcmp(buffer,"-8589934591"),"Problem with long long\n");
  67     ok( r==11, "return count wrong\n");
  68
  69     format = "%+8I64d";
  70     r = sprintf(buffer,format,(LONGLONG)100);
  71     ok(!strcmp(buffer,"    +100") && r==8,"+8I64d failed: '%s'\n", buffer);
  72
  73     format = "%+.8I64d";
  74     r = sprintf(buffer,format,(LONGLONG)100);
  75     ok(!strcmp(buffer,"+00000100") && r==9,"+.8I64d failed: '%s'\n", buffer);
  76
  77     format = "%+10.8I64d";
  78     r = sprintf(buffer,format,(LONGLONG)100);
  79     ok(!strcmp(buffer," +00000100") && r==10,"+10.8I64d failed: '%s'\n", buffer);
  80     format = "%_1I64d";
  81     r = sprintf(buffer,format,(LONGLONG)100);
  82     ok(!strcmp(buffer,"_1I64d") && r==6,"_1I64d failed\n");
  83
  84     format = "%-1.5I64d";
  85     r = sprintf(buffer,format,(LONGLONG)-100);
  86     ok(!strcmp(buffer,"-00100") && r==6,"-1.5I64d failed: '%s'\n", buffer);
  87
  88     format = "%5I64d";
  89     r = sprintf(buffer,format,(LONGLONG)100);
  90     ok(!strcmp(buffer,"  100") && r==5,"5I64d failed: '%s'\n", buffer);
  91
  92     format = "%5I64d";
  93     r = sprintf(buffer,format,(LONGLONG)-100);
  94     ok(!strcmp(buffer," -100") && r==5,"5I64d failed: '%s'\n", buffer);
  95
  96     format = "%-5I64d";
  97     r = sprintf(buffer,format,(LONGLONG)100);
  98     ok(!strcmp(buffer,"100  ") && r==5,"-5I64d failed: '%s'\n", buffer);
  99
 100     format = "%-5I64d";
 101     r = sprintf(buffer,format,(LONGLONG)-100);
 102     ok(!strcmp(buffer,"-100 ") && r==5,"-5I64d failed: '%s'\n", buffer);
 103
 104     format = "%-.5I64d";
 105     r = sprintf(buffer,format,(LONGLONG)100);
 106     ok(!strcmp(buffer,"00100") && r==5,"-.5I64d failed: '%s'\n", buffer);
 107
 108     format = "%-.5I64d";
 109     r = sprintf(buffer,format,(LONGLONG)-100);
 110     ok(!strcmp(buffer,"-00100") && r==6,"-.5I64d failed: '%s'\n", buffer);
 111
 112     format = "%-8.5I64d";
 113     r = sprintf(buffer,format,(LONGLONG)100);
 114     ok(!strcmp(buffer,"00100   ") && r==8,"-8.5I64d failed: '%s'\n", buffer);
 115
 116     format = "%-8.5I64d";
 117     r = sprintf(buffer,format,(LONGLONG)-100);
 118     ok(!strcmp(buffer,"-00100  ") && r==8,"-8.5I64d failed: '%s'\n", buffer);
 119
 120     format = "%05I64d";
 121     r = sprintf(buffer,format,(LONGLONG)100);
 122     ok(!strcmp(buffer,"00100") && r==5,"05I64d failed: '%s'\n", buffer);
 123
 124     format = "%05I64d";
 125     r = sprintf(buffer,format,(LONGLONG)-100);
 126     ok(!strcmp(buffer,"-0100") && r==5,"05I64d failed: '%s'\n", buffer);
 127
 128     format = "% I64d";
 129     r = sprintf(buffer,format,(LONGLONG)100);
 130     ok(!strcmp(buffer," 100") && r==4,"' I64d' failed: '%s'\n", buffer);
 131
 132     format = "% I64d";
 133     r = sprintf(buffer,format,(LONGLONG)-100);
 134     ok(!strcmp(buffer,"-100") && r==4,"' I64d' failed: '%s'\n", buffer);
 135
 136     format = "% 5I64d";
 137     r = sprintf(buffer,format,(LONGLONG)100);
 138     ok(!strcmp(buffer,"  100") && r==5,"' 5I64d' failed: '%s'\n", buffer);
 139
 140     format = "% 5I64d";
 141     r = sprintf(buffer,format,(LONGLONG)-100);
 142     ok(!strcmp(buffer," -100") && r==5,"' 5I64d' failed: '%s'\n", buffer);
 143
 144     format = "% .5I64d";
 145     r = sprintf(buffer,format,(LONGLONG)100);
 146     ok(!strcmp(buffer," 00100") && r==6,"' .5I64d' failed: '%s'\n", buffer);
 147
 148     format = "% .5I64d";
 149     r = sprintf(buffer,format,(LONGLONG)-100);
 150     ok(!strcmp(buffer,"-00100") && r==6,"' .5I64d' failed: '%s'\n", buffer);
 151
 152     format = "% 8.5I64d";
 153     r = sprintf(buffer,format,(LONGLONG)100);
 154     ok(!strcmp(buffer,"   00100") && r==8,"' 8.5I64d' failed: '%s'\n", buffer);
 155
 156     format = "% 8.5I64d";
 157     r = sprintf(buffer,format,(LONGLONG)-100);
 158     ok(!strcmp(buffer,"  -00100") && r==8,"' 8.5I64d' failed: '%s'\n", buffer);
 159
 160     format = "%.0I64d";
 161     r = sprintf(buffer,format,(LONGLONG)0);
 162     ok(r==0,".0I64d failed: '%s'\n", buffer);
 163
 164     format = "%#+21.18I64x";
 165     r = sprintf(buffer,format,(LONGLONG)-100);
 166     ok(!strcmp(buffer," 0x00ffffffffffffff9c") && r==21,"#+21.18I64x failed: '%s'\n", buffer);
 167
 168     format = "%#.25I64o";
 169     r = sprintf(buffer,format,(LONGLONG)-100);
 170     ok(!strcmp(buffer,"0001777777777777777777634") && r==25,"#.25I64o failed: '%s'\n", buffer);
 171
 172     format = "%#+24.20I64o";
 173     r = sprintf(buffer,format,(LONGLONG)-100);
 174     ok(!strcmp(buffer," 01777777777777777777634") && r==24,"#+24.20I64o failed: '%s'\n", buffer);
 175
 176     format = "%#+18.21I64X";
 177     r = sprintf(buffer,format,(LONGLONG)-100);
 178     ok(!strcmp(buffer,"0X00000FFFFFFFFFFFFFF9C") && r==23,"#+18.21I64X failed: '%s '\n", buffer);
 179
 180     format = "%#+20.24I64o";
 181     r = sprintf(buffer,format,(LONGLONG)-100);
 182     ok(!strcmp(buffer,"001777777777777777777634") && r==24,"#+20.24I64o failed: '%s'\n", buffer);
 183
 184     format = "%#+25.22I64u";
 185     r = sprintf(buffer,format,(LONGLONG)-1);
 186     ok(!strcmp(buffer,"   0018446744073709551615") && r==25,"#+25.22I64u conversion failed: '%s'\n", buffer);
 187
 188     format = "%#+25.22I64u";
 189     r = sprintf(buffer,format,(LONGLONG)-1);
 190     ok(!strcmp(buffer,"   0018446744073709551615") && r==25,"#+25.22I64u failed: '%s'\n", buffer);
 191
 192     format = "%#+30.25I64u";
 193     r = sprintf(buffer,format,(LONGLONG)-1);
 194     ok(!strcmp(buffer,"     0000018446744073709551615") && r==30,"#+30.25I64u failed: '%s'\n", buffer);
 195
 196     format = "%+#25.22I64d";
 197     r = sprintf(buffer,format,(LONGLONG)-1);
 198     ok(!strcmp(buffer,"  -0000000000000000000001") && r==25,"+#25.22I64d failed: '%s'\n", buffer);
 199
 200     format = "%#-8.5I64o";
 201     r = sprintf(buffer,format,(LONGLONG)100);
 202     ok(!strcmp(buffer,"00144   ") && r==8,"-8.5I64o failed: '%s'\n", buffer);
 203
 204     format = "%#-+ 08.5I64d";
 205     r = sprintf(buffer,format,(LONGLONG)100);
 206     ok(!strcmp(buffer,"+00100  ") && r==8,"'#-+ 08.5I64d failed: '%s'\n", buffer);
 207
 208     format = "%#-+ 08.5I64d";
 209     r = sprintf(buffer,format,(LONGLONG)100);
 210     ok(!strcmp(buffer,"+00100  ") && r==8,"#-+ 08.5I64d failed: '%s'\n", buffer);
 211
 212     format = "%.80I64d";
 213     r = sprintf(buffer,format,(LONGLONG)1);
 214     ok(r==80,"%s format failed\n", format);
 215
 216     format = "% .80I64d";
 217     r = sprintf(buffer,format,(LONGLONG)1);
 218     ok(r==81,"%s format failed\n", format);
 219
 220     format = "% .80d";
 221     r = sprintf(buffer,format,1);
 222     ok(r==81,"%s format failed\n", format);
 223
 224     format = "%lld";
 225     r = sprintf(buffer,format,((ULONGLONG)0xffffffff)*0xffffffff);
 226     ok( r == 1 || r == 11, "return count wrong %d\n", r);
 227     if (r == 11)  /* %ll works on Vista */
 228         ok(!strcmp(buffer, "-8589934591"), "Problem with \"ll\" interpretation '%s'\n", buffer);
 229     else
 230         ok(!strcmp(buffer, "1"), "Problem with \"ll\" interpretation '%s'\n", buffer);
 231
 232     format = "%I";
 233     r = sprintf(buffer,format,1);
 234     ok(!strcmp(buffer, "I"), "Problem with \"I\" interpretation\n");
 235     ok( r==1, "return count wrong\n");
 236
 237     format = "%I0d";
 238     r = sprintf(buffer,format,1);
 239     ok(!strcmp(buffer,"I0d"),"I0d failed\n");
 240     ok( r==3, "return count wrong\n");
 241
 242     format = "%I32d";
 243     r = sprintf(buffer,format,1);
 244     if (r == 1)
 245     {
 246         ok(!strcmp(buffer,"1"),"I32d failed, got '%s'\n",buffer);
 247     }
 248     else
 249     {
 250         /* Older versions don't grok I32 format */
 251         ok(r == 4 && !strcmp(buffer,"I32d"),"I32d failed, got '%s',%d\n",buffer,r);
 252     }
 253
 254     format = "%I64D";
 255     r = sprintf(buffer,format,(LONGLONG)-1);
 256     ok(!strcmp(buffer,"D"),"I64D failed: %s\n",buffer);
 257     ok( r==1, "return count wrong\n");
 258
 259     format = "% d";
 260     r = sprintf(buffer,format,1);
 261     ok(!strcmp(buffer, " 1"),"Problem with sign place-holder: '%s'\n",buffer);
 262     ok( r==2, "return count wrong\n");
 263
 264     format = "%+ d";
 265     r = sprintf(buffer,format,1);
 266     ok(!strcmp(buffer, "+1"),"Problem with sign flags: '%s'\n",buffer);
 267     ok( r==2, "return count wrong\n");
 268
 269     format = "%S";
 270     r = sprintf(buffer,format,wide);
 271     ok(!strcmp(buffer,"wide"),"Problem with wide string format\n");
 272     ok( r==4, "return count wrong\n");
 273
 274     format = "%04c";
 275     r = sprintf(buffer,format,'1');
 276     ok(!strcmp(buffer,"0001"),"Character not zero-prefixed \"%s\"\n",buffer);
 277     ok( r==4, "return count wrong\n");
 278
 279     format = "%-04c";
 280     r = sprintf(buffer,format,'1');
 281     ok(!strcmp(buffer,"1   "),"Character zero-padded and/or not left-adjusted \"%s\"\n",buffer);
 282     ok( r==4, "return count wrong\n");
 283
 284     if (sizeof(void *) == 8)
 285     {
 286         format = "%p";
 287         r = sprintf(buffer,format,(void *)57);
 288         ok(!strcmp(buffer,"0000000000000039"),"Pointer formatted incorrectly \"%s\"\n",buffer);
 289         ok( r==16, "return count wrong\n");
 290
 291         format = "%#020p";
 292         r = sprintf(buffer,format,(void *)57);
 293         ok(!strcmp(buffer,"  0X0000000000000039"),"Pointer formatted incorrectly\n");
 294         ok( r==20, "return count wrong\n");
 295
 296         format = "%Fp";
 297         r = sprintf(buffer,format,(void *)57);
 298         ok(!strcmp(buffer,"0000000000000039"),"Pointer formatted incorrectly \"%s\"\n",buffer);
 299         ok( r==16, "return count wrong\n");
 300
 301         format = "%#-020p";
 302         r = sprintf(buffer,format,(void *)57);
 303         ok(!strcmp(buffer,"0X0000000000000039  "),"Pointer formatted incorrectly\n");
 304         ok( r==20, "return count wrong\n");
 305     }
 306     else
 307     {
 308         format = "%p";
 309         r = sprintf(buffer,format,(void *)57);
 310         ok(!strcmp(buffer,"00000039"),"Pointer formatted incorrectly \"%s\"\n",buffer);
 311         ok( r==8, "return count wrong\n");
 312
 313         format = "%#012p";
 314         r = sprintf(buffer,format,(void *)57);
 315         ok(!strcmp(buffer,"  0X00000039"),"Pointer formatted incorrectly\n");
 316         ok( r==12, "return count wrong\n");
 317
 318         format = "%Fp";
 319         r = sprintf(buffer,format,(void *)57);
 320         ok(!strcmp(buffer,"00000039"),"Pointer formatted incorrectly \"%s\"\n",buffer);
 321         ok( r==8, "return count wrong\n");
 322
 323         format = "%#-012p";
 324         r = sprintf(buffer,format,(void *)57);
 325         ok(!strcmp(buffer,"0X00000039  "),"Pointer formatted incorrectly\n");
 326         ok( r==12, "return count wrong\n");
 327     }
 328
 329     format = "%04s";
 330     r = sprintf(buffer,format,"foo");
 331     ok(!strcmp(buffer,"0foo"),"String not zero-prefixed \"%s\"\n",buffer);
 332     ok( r==4, "return count wrong\n");
 333
 334     format = "%.1s";
 335     r = sprintf(buffer,format,"foo");
 336     ok(!strcmp(buffer,"f"),"Precision ignored \"%s\"\n",buffer);
 337     ok( r==1, "return count wrong\n");
 338
 339     format = "%.*s";
 340     r = sprintf(buffer,format,1,"foo");
 341     ok(!strcmp(buffer,"f"),"Precision ignored \"%s\"\n",buffer);
 342     ok( r==1, "return count wrong\n");
 343
 344     format = "%*s";
 345     r = sprintf(buffer,format,-5,"foo");
 346     ok(!strcmp(buffer,"foo  "),"Negative field width ignored \"%s\"\n",buffer);
 347     ok( r==5, "return count wrong\n");
 348
 349     format = "hello";
 350     r = sprintf(buffer, format);
 351     ok(!strcmp(buffer,"hello"), "failed\n");
 352     ok( r==5, "return count wrong\n");
 353
 354     format = "%ws";
 355     r = sprintf(buffer, format, wide);
 356     ok(!strcmp(buffer,"wide"), "failed\n");
 357     ok( r==4, "return count wrong\n");
 358
 359     format = "%-10ws";
 360     r = sprintf(buffer, format, wide );
 361     ok(!strcmp(buffer,"wide      "), "failed\n");
 362     ok( r==10, "return count wrong\n");
 363
 364     format = "%10ws";
 365     r = sprintf(buffer, format, wide );
 366     ok(!strcmp(buffer,"      wide"), "failed\n");
 367     ok( r==10, "return count wrong\n");
 368
 369     format = "%#+ -03whlls";
 370     r = sprintf(buffer, format, wide );
 371     ok(!strcmp(buffer,"wide"), "failed\n");
 372     ok( r==4, "return count wrong\n");
 373
 374     format = "%w0s";
 375     r = sprintf(buffer, format, wide );
 376     ok(!strcmp(buffer,"0s"), "failed\n");
 377     ok( r==2, "return count wrong\n");
 378
 379     format = "%w-s";
 380     r = sprintf(buffer, format, wide );
 381     ok(!strcmp(buffer,"-s"), "failed\n");
 382     ok( r==2, "return count wrong\n");
 383
 384     format = "%ls";
 385     r = sprintf(buffer, format, wide );
 386     ok(!strcmp(buffer,"wide"), "failed\n");
 387     ok( r==4, "return count wrong\n");
 388
 389     format = "%Ls";
 390     r = sprintf(buffer, format, "not wide" );
 391     ok(!strcmp(buffer,"not wide"), "failed\n");
 392     ok( r==8, "return count wrong\n");
 393
 394     format = "%b";
 395     r = sprintf(buffer, format);
 396     ok(!strcmp(buffer,"b"), "failed\n");
 397     ok( r==1, "return count wrong\n");
 398
 399     format = "%3c";
 400     r = sprintf(buffer, format,'a');
 401     ok(!strcmp(buffer,"  a"), "failed\n");
 402     ok( r==3, "return count wrong\n");
 403
 404     format = "%3d";
 405     r = sprintf(buffer, format,1234);
 406     ok(!strcmp(buffer,"1234"), "failed\n");
 407     ok( r==4, "return count wrong\n");
 408
 409     format = "%3h";
 410     r = sprintf(buffer, format);
 411     ok(!strcmp(buffer,""), "failed\n");
 412     ok( r==0, "return count wrong\n");
 413
 414     format = "%j%k%m%q%r%t%v%y%z";
 415     r = sprintf(buffer, format);
 416     ok(!strcmp(buffer,"jkmqrtvyz"), "failed\n");
 417     ok( r==9, "return count wrong\n");
 418
 419     format = "asdf%n";
 420     x = 0;
 421     r = sprintf(buffer, format, &x );
 422     if (r == -1)
 423     {
 424         /* %n format is disabled by default on vista */
 425         /* FIXME: should test with _set_printf_count_output */
 426         ok(x == 0, "should not write to x: %d\n", x);
 427     }
 428     else
 429     {
 430         ok(x == 4, "should write to x: %d\n", x);
 431         ok(!strcmp(buffer,"asdf"), "failed\n");
 432         ok( r==4, "return count wrong: %d\n", r);
 433     }
 434
 435     format = "%-1d";
 436     r = sprintf(buffer, format,2);
 437     ok(!strcmp(buffer,"2"), "failed\n");
 438     ok( r==1, "return count wrong\n");
 439
 440     format = "%2.4f";
 441     r = sprintf(buffer, format,8.6);
 442     ok(!strcmp(buffer,"8.6000"), "failed\n");
 443     ok( r==6, "return count wrong\n");
 444
 445     format = "%0f";
 446     r = sprintf(buffer, format,0.6);
 447     ok(!strcmp(buffer,"0.600000"), "failed\n");
 448     ok( r==8, "return count wrong\n");
 449
 450     format = "%.0f";
 451     r = sprintf(buffer, format,0.6);
 452     ok(!strcmp(buffer,"1"), "failed\n");
 453     ok( r==1, "return count wrong\n");
 454
 455     format = "%2.4e";
 456     r = sprintf(buffer, format,8.6);
 457     ok(!strcmp(buffer,"8.6000e+000"), "failed\n");
 458     ok( r==11, "return count wrong\n");
 459
 460     format = "%2.4g";
 461     r = sprintf(buffer, format,8.6);
 462     ok(!strcmp(buffer,"8.6"), "failed\n");
 463     ok( r==3, "return count wrong\n");
 464
 465     format = "%-i";
 466     r = sprintf(buffer, format,-1);
 467     ok(!strcmp(buffer,"-1"), "failed\n");
 468     ok( r==2, "return count wrong\n");
 469
 470     format = "%-i";
 471     r = sprintf(buffer, format,1);
 472     ok(!strcmp(buffer,"1"), "failed\n");
 473     ok( r==1, "return count wrong\n");
 474
 475     format = "%+i";
 476     r = sprintf(buffer, format,1);
 477     ok(!strcmp(buffer,"+1"), "failed\n");
 478     ok( r==2, "return count wrong\n");
 479
 480     format = "%o";
 481     r = sprintf(buffer, format,10);
 482     ok(!strcmp(buffer,"12"), "failed\n");
 483     ok( r==2, "return count wrong\n");
 484
 485     format = "%p";
 486     r = sprintf(buffer, format,0);
 487     if (sizeof(void *) == 8)
 488     {
 489         ok(!strcmp(buffer,"0000000000000000"), "failed\n");
 490         ok( r==16, "return count wrong\n");
 491     }
 492     else
 493     {
 494         ok(!strcmp(buffer,"00000000"), "failed\n");
 495         ok( r==8, "return count wrong\n");
 496     }
 497
 498     format = "%s";
 499     r = sprintf(buffer, format,0);
 500     ok(!strcmp(buffer,"(null)"), "failed\n");
 501     ok( r==6, "return count wrong\n");
 502
 503     format = "%s";
 504     r = sprintf(buffer, format,"%%%%");
 505     ok(!strcmp(buffer,"%%%%"), "failed\n");
 506     ok( r==4, "return count wrong\n");
 507
 508     format = "%u";
 509     r = sprintf(buffer, format,-1);
 510     ok(!strcmp(buffer,"4294967295"), "failed\n");
 511     ok( r==10, "return count wrong\n");
 512
 513     format = "%w";
 514     r = sprintf(buffer, format,-1);
 515     ok(!strcmp(buffer,""), "failed\n");
 516     ok( r==0, "return count wrong\n");
 517
 518     format = "%h";
 519     r = sprintf(buffer, format,-1);
 520     ok(!strcmp(buffer,""), "failed\n");
 521     ok( r==0, "return count wrong\n");
 522
 523     format = "%z";
 524     r = sprintf(buffer, format,-1);
 525     ok(!strcmp(buffer,"z"), "failed\n");
 526     ok( r==1, "return count wrong\n");
 527
 528     format = "%j";
 529     r = sprintf(buffer, format,-1);
 530     ok(!strcmp(buffer,"j"), "failed\n");
 531     ok( r==1, "return count wrong\n");
 532
 533     format = "%F";
 534     r = sprintf(buffer, format,-1);
 535     ok(!strcmp(buffer,""), "failed\n");
 536     ok( r==0, "return count wrong\n");
 537
 538     format = "%H";
 539     r = sprintf(buffer, format,-1);
 540     ok(!strcmp(buffer,"H"), "failed\n");
 541     ok( r==1, "return count wrong\n");
 542
 543     format = "x%cx";
 544     r = sprintf(buffer, format, 0x100+'X');
 545     ok(!strcmp(buffer,"xXx"), "failed\n");
 546     ok( r==3, "return count wrong\n");
 547
 548     format = "%%0";
 549     r = sprintf(buffer, format);
 550     ok(!strcmp(buffer,"%0"), "failed: \"%s\"\n", buffer);
 551     ok( r==2, "return count wrong\n");
 552 }
 553
 554 static void test_swprintf( void )
 555 {
 556     wchar_t buffer[100];
 557     const wchar_t I64d[] = {'%','I','6','4','d',0};
 558     double pnumber=789456123;
 559     const wchar_t TwentyThreePoint15e[]= {'%','+','#','2','3','.','1','5','e',0};
 560     const wchar_t e008[] = {'e','+','0','0','8',0};
 561     const wchar_t string_w[] = {'s','t','r','i','n','g',0};
 562     const char string[] = "string";
 563     const wchar_t S[]={'%','S',0};
 564     const wchar_t hs[] = {'%', 'h', 's', 0};
 565
 566     swprintf(buffer,TwentyThreePoint15e,pnumber);
 567     ok(wcsstr(buffer,e008) != 0,"Sprintf different\n");
 568     swprintf(buffer,I64d,((ULONGLONG)0xffffffff)*0xffffffff);
 569       ok(wcslen(buffer) == 11,"Problem with long long\n");
 570     swprintf(buffer,S,string);
 571       ok(wcslen(buffer) == 6,"Problem with \"%%S\" interpretation\n");
 572    swprintf(buffer, hs, string);
 573    ok( wcscmp(string_w,buffer) == 0, "swprintf failed with %%hs\n");
 574 }
 575
 576 static void test_snprintf (void)
 577 {
 578     struct snprintf_test {
 579         const char *format;
 580         int expected;
 581     };
 582     /* Pre-2.1 libc behaviour, not C99 compliant. */
 583     const struct snprintf_test tests[] = {{"short", 5},
 584                                           {"justfit", 7},
 585                                           {"justfits", 8},
 586                                           {"muchlonger", -1}};
 587     char buffer[8];
 588     const int bufsiz = sizeof buffer;
 589     unsigned int i;
 590
 591     for (i = 0; i < sizeof tests / sizeof tests[0]; i++) {
 592         const char *fmt  = tests[i].format;
 593         const int expect = tests[i].expected;
 594         const int n      = _snprintf (buffer, bufsiz, fmt);
 595         const int valid  = n < 0 ? bufsiz : (n == bufsiz ? n : n+1);
 596
 597         ok (n == expect, "\"%s\": expected %d, returned %d\n",
 598             fmt, expect, n);
 599         ok (!memcmp (fmt, buffer, valid),
 600             "\"%s\": rendered \"%.*s\"\n", fmt, valid, buffer);
 601     };
 602 }
 603
 604 static void test_fcvt(void)
 605 {
 606     char *str;
 607     int dec=100, sign=100;
 608
 609     /* Numbers less than 1.0 with different precisions */
 610     str = _fcvt(0.0001, 1, &dec, &sign );
 611     ok( 0 == strcmp(str,""), "bad return '%s'\n", str);
 612     ok( -3 == dec, "dec wrong %d\n", dec);
 613     ok( 0 == sign, "sign wrong\n");
 614
 615     str = _fcvt(0.0001, -10, &dec, &sign );
 616     ok( 0 == strcmp(str,""), "bad return '%s'\n", str);
 617     ok( -3 == dec, "dec wrong %d\n", dec);
 618     ok( 0 == sign, "sign wrong\n");
 619
 620     str = _fcvt(0.0001, 10, &dec, &sign );
 621     ok( 0 == strcmp(str,"1000000"), "bad return '%s'\n", str);
 622     ok( -3 == dec, "dec wrong %d\n", dec);
 623     ok( 0 == sign, "sign wrong\n");
 624
 625     /* Basic sign test */
 626     str = _fcvt(-111.0001, 5, &dec, &sign );
 627     ok( 0 == strcmp(str,"11100010"), "bad return '%s'\n", str);
 628     ok( 3 == dec, "dec wrong %d\n", dec);
 629     ok( 1 == sign, "sign wrong\n");
 630
 631     str = _fcvt(111.0001, 5, &dec, &sign );
 632     ok( 0 == strcmp(str,"11100010"), "bad return '%s'\n", str);
 633     ok( 3 == dec, "dec wrong\n");
 634     ok( 0 == sign, "sign wrong\n");
 635
 636     /* 0.0 with different precisions */
 637     str = _fcvt(0.0, 5, &dec, &sign );
 638     ok( 0 == strcmp(str,"00000"), "bad return '%s'\n", str);
 639     ok( 0 == dec, "dec wrong %d\n", dec);
 640     ok( 0 == sign, "sign wrong\n");
 641
 642     str = _fcvt(0.0, 0, &dec, &sign );
 643     ok( 0 == strcmp(str,""), "bad return '%s'\n", str);
 644     ok( 0 == dec, "dec wrong %d\n", dec);
 645     ok( 0 == sign, "sign wrong\n");
 646
 647     str = _fcvt(0.0, -1, &dec, &sign );
 648     ok( 0 == strcmp(str,""), "bad return '%s'\n", str);
 649     ok( 0 == dec, "dec wrong %d\n", dec);
 650     ok( 0 == sign, "sign wrong\n");
 651
 652     /* Numbers > 1.0 with 0 or -ve precision */
 653     str = _fcvt(-123.0001, 0, &dec, &sign );
 654     ok( 0 == strcmp(str,"123"), "bad return '%s'\n", str);
 655     ok( 3 == dec, "dec wrong %d\n", dec);
 656     ok( 1 == sign, "sign wrong\n");
 657
 658     str = _fcvt(-123.0001, -1, &dec, &sign );
 659     ok( 0 == strcmp(str,"12"), "bad return '%s'\n", str);
 660     ok( 3 == dec, "dec wrong %d\n", dec);
 661     ok( 1 == sign, "sign wrong\n");
 662
 663     str = _fcvt(-123.0001, -2, &dec, &sign );
 664     ok( 0 == strcmp(str,"1"), "bad return '%s'\n", str);
 665     ok( 3 == dec, "dec wrong %d\n", dec);
 666     ok( 1 == sign, "sign wrong\n");
 667
 668     str = _fcvt(-123.0001, -3, &dec, &sign );
 669     ok( 0 == strcmp(str,""), "bad return '%s'\n", str);
 670     ok( 3 == dec, "dec wrong %d\n", dec);
 671     ok( 1 == sign, "sign wrong\n");
 672
 673     /* Numbers > 1.0, but with rounding at the point of precision */
 674     str = _fcvt(99.99, 1, &dec, &sign );
 675     ok( 0 == strcmp(str,"1000"), "bad return '%s'\n", str);
 676     ok( 3 == dec, "dec wrong %d\n", dec);
 677     ok( 0 == sign, "sign wrong\n");
 678
 679     /* Numbers < 1.0 where rounding occurs at the point of precision */
 680     str = _fcvt(0.00636, 2, &dec, &sign );
 681     ok( 0 == strcmp(str,"1"), "bad return '%s'\n", str);
 682     ok( -1 == dec, "dec wrong %d\n", dec);
 683     ok( 0 == sign, "sign wrong\n");
 684
 685     str = _fcvt(0.00636, 3, &dec, &sign );
 686     ok( 0 == strcmp(str,"6"), "bad return '%s'\n", str);
 687     ok( -2 == dec, "dec wrong %d\n", dec);
 688     ok( 0 == sign, "sign wrong\n");
 689
 690     str = _fcvt(0.09999999996, 2, &dec, &sign );
 691     ok( 0 == strcmp(str,"10"), "bad return '%s'\n", str);
 692     ok( 0 == dec, "dec wrong %d\n", dec);
 693     ok( 0 == sign, "sign wrong\n");
 694
 695     str = _fcvt(0.6, 0, &dec, &sign );
 696     ok( 0 == strcmp(str,"1"), "bad return '%s'\n", str);
 697     ok( 1 == dec, "dec wrong %d\n", dec);
 698     ok( 0 == sign, "sign wrong\n");
 699 }
 700
 701 static int _vsnwprintf_wrapper(wchar_t *str, size_t len, const wchar_t *format, ...)
 702 {
 703     int ret;
 704     __ms_va_list valist;
 705     __ms_va_start(valist, format);
 706     ret = _vsnwprintf(str, len, format, valist);
 707     __ms_va_end(valist);
 708     return ret;
 709 }
 710
 711 static void test_vsnwprintf(void)
 712 {
 713     const wchar_t format[] = {'%','w','s','%','w','s','%','w','s',0};
 714     const wchar_t one[]    = {'o','n','e',0};
 715     const wchar_t two[]    = {'t','w','o',0};
 716     const wchar_t three[]  = {'t','h','r','e','e',0};
 717
 718     int ret;
 719     wchar_t str[32];
 720     char buf[32];
 721
 722     ret = _vsnwprintf_wrapper( str, sizeof(str)/sizeof(str[0]), format, one, two, three );
 723
 724     ok( ret == 11, "got %d expected 11\n", ret );
 725     WideCharToMultiByte( CP_ACP, 0, str, -1, buf, sizeof(buf), NULL, NULL );
 726     ok( !strcmp(buf, "onetwothree"), "got %s expected 'onetwothree'\n", buf );
 727 }
 728
 729 START_TEST(printf)
 730 {
 731     test_sprintf();
 732     test_swprintf();
 733     test_snprintf();
 734     test_fcvt();
 735     test_vsnwprintf();
 736 }