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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include <stdio.h>
  24
  25 #include "wine/test.h"
  26
  27 static void test_sprintf( void )
  28 {
  29     char buffer[100];
  30     const char *format;
  31     double pnumber=789456123;
  32     int x, r;
  33     WCHAR wide[] = { 'w','i','d','e',0};
  34
  35     format = "%+#23.15e";
  36     r = sprintf(buffer,format,pnumber);
  37     todo_wine {
  38     ok(!strcmp(buffer,"+7.894561230000000e+008"),"exponent format incorrect\n");
  39     }
  40     ok( r==23, "return count wrong\n");
  41
  42     todo_wine {
  43     format = "%I64d";
  44     r = sprintf(buffer,format,((ULONGLONG)0xffffffff)*0xffffffff);
  45     ok(!strcmp(buffer,"-8589934591"),"Problem with long long\n");
  46     ok( r==11, "return count wrong\n");
  47     }
  48
  49     format = "%lld";
  50     r = sprintf(buffer,format,((ULONGLONG)0xffffffff)*0xffffffff);
  51     ok(!strcmp(buffer, "1"), "Problem with \"ll\" interpretation\n");
  52     ok( r==1, "return count wrong\n");
  53
  54     format = "%S";
  55     r = sprintf(buffer,format,wide);
  56     ok(!strcmp(buffer,"wide"),"Problem with wide string format\n");
  57     ok( r==4, "return count wrong\n");
  58
  59     format = "%04c";
  60     r = sprintf(buffer,format,'1');
  61     ok(!strcmp(buffer,"0001"),"Character not zero-prefixed \"%s\"\n",buffer);
  62     ok( r==4, "return count wrong\n");
  63
  64     format = "%p";
  65     r = sprintf(buffer,format,(void *)57);
  66     ok(!strcmp(buffer,"00000039"),"Pointer formatted incorrectly \"%s\"\n",buffer);
  67     ok( r==8, "return count wrong\n");
  68
  69     format = "%#012p";
  70     r = sprintf(buffer,format,(void *)57);
  71     ok(!strcmp(buffer,"  0X00000039"),"Pointer formatted incorrectly\n");
  72     ok( r==12, "return count wrong\n");
  73
  74     format = "%Fp";
  75     r = sprintf(buffer,format,(void *)57);
  76     ok(!strcmp(buffer,"00000039"),"Pointer formatted incorrectly \"%s\"\n",buffer);
  77     ok( r==8, "return count wrong\n");
  78
  79     format = "%04s";
  80     r = sprintf(buffer,format,"foo");
  81     ok(!strcmp(buffer,"0foo"),"String not zero-prefixed \"%s\"\n",buffer);
  82     ok( r==4, "return count wrong\n");
  83
  84     format = "%.1s";
  85     r = sprintf(buffer,format,"foo");
  86     ok(!strcmp(buffer,"f"),"Precision ignored \"%s\"\n",buffer);
  87     ok( r==1, "return count wrong\n");
  88
  89     format = "%.*s";
  90     r = sprintf(buffer,format,1,"foo");
  91     ok(!strcmp(buffer,"f"),"Precision ignored \"%s\"\n",buffer);
  92     ok( r==1, "return count wrong\n");
  93
  94     format = "%#-012p";
  95     r = sprintf(buffer,format,(void *)57);
  96     ok(!strcmp(buffer,"0X00000039  "),"Pointer formatted incorrectly\n");
  97     ok( r==12, "return count wrong\n");
  98
  99     format = "hello";
 100     r = sprintf(buffer, format);
 101     ok(!strcmp(buffer,"hello"), "failed\n");
 102     ok( r==5, "return count wrong\n");
 103
 104     format = "%ws";
 105     r = sprintf(buffer, format, wide);
 106     ok(!strcmp(buffer,"wide"), "failed\n");
 107     ok( r==4, "return count wrong\n");
 108
 109     format = "%-10ws";
 110     r = sprintf(buffer, format, wide );
 111     ok(!strcmp(buffer,"wide      "), "failed\n");
 112     ok( r==10, "return count wrong\n");
 113
 114     format = "%10ws";
 115     r = sprintf(buffer, format, wide );
 116     ok(!strcmp(buffer,"      wide"), "failed\n");
 117     ok( r==10, "return count wrong\n");
 118
 119     format = "%#+ -03whlls";
 120     r = sprintf(buffer, format, wide );
 121     ok(!strcmp(buffer,"wide"), "failed\n");
 122     ok( r==4, "return count wrong\n");
 123
 124     format = "%w0s";
 125     r = sprintf(buffer, format, wide );
 126     ok(!strcmp(buffer,"0s"), "failed\n");
 127     ok( r==2, "return count wrong\n");
 128
 129     format = "%w-s";
 130     r = sprintf(buffer, format, wide );
 131     ok(!strcmp(buffer,"-s"), "failed\n");
 132     ok( r==2, "return count wrong\n");
 133
 134     format = "%ls";
 135     r = sprintf(buffer, format, wide );
 136     ok(!strcmp(buffer,"wide"), "failed\n");
 137     ok( r==4, "return count wrong\n");
 138
 139     format = "%Ls";
 140     r = sprintf(buffer, format, "not wide" );
 141     ok(!strcmp(buffer,"not wide"), "failed\n");
 142     ok( r==8, "return count wrong\n");
 143
 144     format = "%b";
 145     r = sprintf(buffer, format);
 146     ok(!strcmp(buffer,"b"), "failed\n");
 147     ok( r==1, "return count wrong\n");
 148
 149     format = "%3c";
 150     r = sprintf(buffer, format,'a');
 151     ok(!strcmp(buffer,"  a"), "failed\n");
 152     ok( r==3, "return count wrong\n");
 153
 154     format = "%3d";
 155     r = sprintf(buffer, format,1234);
 156     ok(!strcmp(buffer,"1234"), "failed\n");
 157     ok( r==4, "return count wrong\n");
 158
 159     format = "%3h";
 160     r = sprintf(buffer, format);
 161     ok(!strcmp(buffer,""), "failed\n");
 162     ok( r==0, "return count wrong\n");
 163
 164     format = "%j%k%m%q%r%t%v%y%z";
 165     r = sprintf(buffer, format);
 166     ok(!strcmp(buffer,"jkmqrtvyz"), "failed\n");
 167     ok( r==9, "return count wrong\n");
 168
 169     format = "asdf%n";
 170     x = 0;
 171     r = sprintf(buffer, format, &x );
 172     ok(x == 4, "should write to x\n");
 173     ok(!strcmp(buffer,"asdf"), "failed\n");
 174     ok( r==4, "return count wrong\n");
 175
 176     format = "%-1d";
 177     r = sprintf(buffer, format,2);
 178     ok(!strcmp(buffer,"2"), "failed\n");
 179     ok( r==1, "return count wrong\n");
 180
 181     format = "%2.4f";
 182     r = sprintf(buffer, format,8.6);
 183     ok(!strcmp(buffer,"8.6000"), "failed\n");
 184     ok( r==6, "return count wrong\n");
 185
 186     todo_wine {
 187     format = "%2.4e";
 188     r = sprintf(buffer, format,8.6);
 189     ok(!strcmp(buffer,"8.6000e+000"), "failed\n");
 190     ok( r==11, "return count wrong\n");
 191     }
 192
 193     format = "%2.4g";
 194     r = sprintf(buffer, format,8.6);
 195     ok(!strcmp(buffer,"8.6"), "failed\n");
 196     ok( r==3, "return count wrong\n");
 197
 198     format = "%-i";
 199     r = sprintf(buffer, format,-1);
 200     ok(!strcmp(buffer,"-1"), "failed\n");
 201     ok( r==2, "return count wrong\n");
 202
 203     format = "%-i";
 204     r = sprintf(buffer, format,1);
 205     ok(!strcmp(buffer,"1"), "failed\n");
 206     ok( r==1, "return count wrong\n");
 207
 208     format = "%+i";
 209     r = sprintf(buffer, format,1);
 210     ok(!strcmp(buffer,"+1"), "failed\n");
 211     ok( r==2, "return count wrong\n");
 212
 213     format = "%o";
 214     r = sprintf(buffer, format,10);
 215     ok(!strcmp(buffer,"12"), "failed\n");
 216     ok( r==2, "return count wrong\n");
 217
 218     format = "%p";
 219     r = sprintf(buffer, format,0);
 220     ok(!strcmp(buffer,"00000000"), "failed\n");
 221     ok( r==8, "return count wrong\n");
 222
 223     format = "%s";
 224     r = sprintf(buffer, format,0);
 225     ok(!strcmp(buffer,"(null)"), "failed\n");
 226     ok( r==6, "return count wrong\n");
 227
 228     format = "%s";
 229     r = sprintf(buffer, format,"%%%%");
 230     ok(!strcmp(buffer,"%%%%"), "failed\n");
 231     ok( r==4, "return count wrong\n");
 232
 233     format = "%u";
 234     r = sprintf(buffer, format,-1);
 235     ok(!strcmp(buffer,"4294967295"), "failed\n");
 236     ok( r==10, "return count wrong\n");
 237
 238     format = "%w";
 239     r = sprintf(buffer, format,-1);
 240     ok(!strcmp(buffer,""), "failed\n");
 241     ok( r==0, "return count wrong\n");
 242
 243     format = "%h";
 244     r = sprintf(buffer, format,-1);
 245     ok(!strcmp(buffer,""), "failed\n");
 246     ok( r==0, "return count wrong\n");
 247
 248     format = "%z";
 249     r = sprintf(buffer, format,-1);
 250     ok(!strcmp(buffer,"z"), "failed\n");
 251     ok( r==1, "return count wrong\n");
 252
 253     format = "%j";
 254     r = sprintf(buffer, format,-1);
 255     ok(!strcmp(buffer,"j"), "failed\n");
 256     ok( r==1, "return count wrong\n");
 257
 258     format = "%F";
 259     r = sprintf(buffer, format,-1);
 260     ok(!strcmp(buffer,""), "failed\n");
 261     ok( r==0, "return count wrong\n");
 262
 263     format = "%H";
 264     r = sprintf(buffer, format,-1);
 265     ok(!strcmp(buffer,"H"), "failed\n");
 266     ok( r==1, "return count wrong\n");
 267
 268     format = "x%cx";
 269     r = sprintf(buffer, format, 0x100+'X');
 270     ok(!strcmp(buffer,"xXx"), "failed\n");
 271     ok( r==3, "return count wrong\n");
 272
 273     format = "%%0";
 274     r = sprintf(buffer, format);
 275     ok(!strcmp(buffer,"%0"), "failed: \"%s\"\n", buffer);
 276     ok( r==2, "return count wrong\n");
 277 }
 278
 279 static void test_swprintf( void )
 280 {
 281     wchar_t buffer[100];
 282     const wchar_t I64d[] = {'%','I','6','4','d',0};
 283     double pnumber=789456123;
 284     const wchar_t TwentyThreePoint15e[]= {'%','+','#','2','3','.','1','5','e',0};
 285     const wchar_t e008[] = {'e','+','0','0','8',0};
 286     const char string[]={'s','t','r','i','n','g',0};
 287     const wchar_t S[]={'%','S',0};
 288     swprintf(buffer,TwentyThreePoint15e,pnumber);
 289     todo_wine
 290       {
 291         ok(wcsstr(buffer,e008) != 0,"Sprintf different\n");
 292       }
 293     swprintf(buffer,I64d,((ULONGLONG)0xffffffff)*0xffffffff);
 294     todo_wine
 295       {
 296         ok(wcslen(buffer) == 11,"Problem with long long\n");
 297       }
 298     swprintf(buffer,S,string);
 299       ok(wcslen(buffer) == 6,"Problem with \"%%S\" interpretation\n");
 300 }
 301
 302 static void test_fwprintf( void )
 303 {
 304     const char *string="not a wide string";
 305     todo_wine
 306       {
 307         ok(fwprintf(fopen("nul","r+"),(wchar_t *)string) == -1,"Non-wide string should not be printed by fwprintf\n");
 308       }
 309 }
 310
 311 static void test_snprintf (void)
 312 {
 313     struct snprintf_test {
 314         const char *format;
 315         int expected;
 316         struct {
 317             int retval;
 318             int render;
 319         } todo;
 320     };
 321     /* Pre-2.1 libc behaviour, not C99 compliant. */
 322     const struct snprintf_test tests[] = {{"short", 5, {0, 0}},
 323                                           {"justfit", 7, {0, 0}},
 324                                           {"justfits", 8, {0, 1}},
 325                                           {"muchlonger", -1, {1, 1}}};
 326     char buffer[8];
 327     const int bufsiz = sizeof buffer;
 328     unsigned int i;
 329
 330     for (i = 0; i < sizeof tests / sizeof tests[0]; i++) {
 331         const char *fmt  = tests[i].format;
 332         const int expect = tests[i].expected;
 333         const int n      = _snprintf (buffer, bufsiz, fmt);
 334         const int valid  = n < 0 ? bufsiz : (n == bufsiz ? n : n+1);
 335
 336         todo (tests[i].todo.retval ? "wine" : "none")
 337             ok (n == expect, "\"%s\": expected %d, returned %d\n",
 338                 fmt, expect, n);
 339         todo (tests[i].todo.render ? "wine" : "none")
 340             ok (!memcmp (fmt, buffer, valid),
 341                 "\"%s\": rendered \"%.*s\"\n", fmt, valid, buffer);
 342     };
 343 }
 344
 345 START_TEST(printf)
 346 {
 347     test_sprintf();
 348     test_swprintf();
 349     test_fwprintf();
 350     test_snprintf();
 351 }