dlls/ucrtbase/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  * Copyright 2015 Martin Storsjo
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include <stdio.h>
  25 #include <errno.h>
  26 #include <math.h>
  27 #include <inttypes.h>
  28
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winnls.h"
  32
  33 #include "wine/test.h"
  34
  35 #define DEFINE_EXPECT(func) \
  36     static BOOL expect_ ## func = FALSE, called_ ## func = FALSE
  37
  38 #define SET_EXPECT(func) \
  39     expect_ ## func = TRUE
  40
  41 #define CHECK_EXPECT2(func) \
  42     do { \
  43         ok(expect_ ##func, "unexpected call " #func "\n"); \
  44         called_ ## func = TRUE; \
  45     }while(0)
  46
  47 #define CHECK_EXPECT(func) \
  48     do { \
  49         CHECK_EXPECT2(func); \
  50         expect_ ## func = FALSE; \
  51     }while(0)
  52
  53 #define CHECK_CALLED(func) \
  54     do { \
  55         ok(called_ ## func, "expected " #func "\n"); \
  56         expect_ ## func = called_ ## func = FALSE; \
  57     }while(0)
  58
  59 DEFINE_EXPECT(invalid_parameter_handler);
  60
  61 static inline float __port_ind(void)
  62 {
  63     static const unsigned __ind_bytes = 0xffc00000;
  64     return *(const float *)&__ind_bytes;
  65 }
  66 #define IND __port_ind()
  67
  68 static void __cdecl test_invalid_parameter_handler(const wchar_t *expression,
  69         const wchar_t *function, const wchar_t *file,
  70         unsigned line, uintptr_t arg)
  71 {
  72     CHECK_EXPECT(invalid_parameter_handler);
  73     ok(expression == NULL, "expression is not NULL\n");
  74     ok(function == NULL, "function is not NULL\n");
  75     ok(file == NULL, "file is not NULL\n");
  76     ok(line == 0, "line = %u\n", line);
  77     ok(arg == 0, "arg = %lx\n", (UINT_PTR)arg);
  78 }
  79
  80 static int WINAPIV vsprintf_wrapper(unsigned __int64 options, char *str,
  81                                     size_t len, const char *format, ...)
  82 {
  83     int ret;
  84     __ms_va_list valist;
  85     __ms_va_start(valist, format);
  86     ret = __stdio_common_vsprintf(options, str, len, format, NULL, valist);
  87     __ms_va_end(valist);
  88     return ret;
  89 }
  90
  91 static void test_snprintf (void)
  92 {
  93     const char *tests[] = {"short", "justfit", "justfits", "muchlonger", "", "1"};
  94     char buffer[8];
  95     int bufsizes[] = { 0, 1, sizeof(buffer) };
  96     unsigned int i, j;
  97
  98     for (j = 0; j < ARRAY_SIZE(bufsizes); j++) {
  99         const int bufsiz = bufsizes[j];
 100         /* Legacy _snprintf style termination */
 101         for (i = 0; i < ARRAY_SIZE(tests); i++) {
 102             const char *fmt  = tests[i];
 103             const int expect = strlen(fmt) > bufsiz ? -1 : strlen(fmt);
 104             const int n      = vsprintf_wrapper (_CRT_INTERNAL_PRINTF_LEGACY_VSPRINTF_NULL_TERMINATION, buffer, bufsiz, fmt);
 105             const int valid  = n < 0 ? bufsiz : (n == bufsiz ? n : n+1);
 106
 107             ok (n == expect, "\"%s\": expected %d, returned %d\n",
 108                 fmt, expect, n);
 109             ok (!memcmp (fmt, buffer, valid),
 110                 "\"%s\": rendered \"%.*s\"\n", fmt, valid, buffer);
 111         }
 112
 113         /* C99 snprintf style termination */
 114         for (i = 0; i < ARRAY_SIZE(tests); i++) {
 115             const char *fmt  = tests[i];
 116             const int expect = strlen(fmt);
 117             const int n      = vsprintf_wrapper (_CRT_INTERNAL_PRINTF_STANDARD_SNPRINTF_BEHAVIOR, buffer, bufsiz, fmt);
 118             const int valid  = n >= bufsiz ? (bufsiz > 0 ? bufsiz - 1 : 0) : n < 0 ? 0 : n;
 119
 120             ok (n == expect, "\"%s\": expected %d, returned %d\n",
 121                 fmt, expect, n);
 122             ok (!memcmp (fmt, buffer, valid),
 123                 "\"%s\": rendered \"%.*s\" bufsiz %d\n", fmt, valid, buffer, bufsiz);
 124             ok (bufsiz == 0 || buffer[valid] == '\0',
 125                 "\"%s\": Missing null termination (ret %d) - is %d (bufsiz %d)\n", fmt, n, buffer[valid], bufsiz);
 126         }
 127
 128         /* swprintf style termination */
 129         for (i = 0; i < ARRAY_SIZE(tests); i++) {
 130             const char *fmt  = tests[i];
 131             const int expect = strlen(fmt) >= bufsiz ? bufsiz > 0 ? -2 : -1 : strlen(fmt);
 132             const int n      = vsprintf_wrapper (0, buffer, bufsiz, fmt);
 133             const int valid  = n < 0 ? bufsiz > 0 ? bufsiz - 1 : 0 : n;
 134
 135             ok (n == expect, "\"%s\": expected %d, returned %d\n",
 136                 fmt, expect, n);
 137             ok (!memcmp (fmt, buffer, valid),
 138                 "\"%s\": rendered \"%.*s\" bufsiz %d\n", fmt, valid, buffer, bufsiz);
 139             ok (bufsiz == 0 || buffer[valid] == '\0',
 140                 "\"%s\": Missing null termination (ret %d) - is %d\n", fmt, n, buffer[valid]);
 141         }
 142     }
 143
 144     ok (vsprintf_wrapper (_CRT_INTERNAL_PRINTF_STANDARD_SNPRINTF_BEHAVIOR, NULL, 0, "abcd") == 4,
 145         "Failure to snprintf to NULL\n");
 146     ok (vsprintf_wrapper (_CRT_INTERNAL_PRINTF_LEGACY_VSPRINTF_NULL_TERMINATION, NULL, 0, "abcd") == 4,
 147         "Failure to snprintf to NULL\n");
 148     ok (vsprintf_wrapper (0, NULL, 0, "abcd") == 4,
 149         "Failure to snprintf to NULL\n");
 150     ok (vsprintf_wrapper (_CRT_INTERNAL_PRINTF_STANDARD_SNPRINTF_BEHAVIOR, buffer, 0, "abcd") == 4,
 151         "Failure to snprintf to zero length buffer\n");
 152     ok (vsprintf_wrapper (_CRT_INTERNAL_PRINTF_LEGACY_VSPRINTF_NULL_TERMINATION, buffer, 0, "abcd") == -1,
 153         "Failure to snprintf to zero length buffer\n");
 154     ok (vsprintf_wrapper (0, buffer, 0, "abcd") == -1,
 155         "Failure to snprintf to zero length buffer\n");
 156     ok (vsprintf_wrapper (_CRT_INTERNAL_PRINTF_STANDARD_SNPRINTF_BEHAVIOR, buffer, 0, "") == 0,
 157         "Failure to snprintf a zero length string to a zero length buffer\n");
 158     ok (vsprintf_wrapper (_CRT_INTERNAL_PRINTF_LEGACY_VSPRINTF_NULL_TERMINATION, buffer, 0, "") == 0,
 159         "Failure to snprintf a zero length string to a zero length buffer\n");
 160     ok (vsprintf_wrapper (0, buffer, 0, "") == -1,
 161         "Failure to snprintf a zero length string to a zero length buffer\n");
 162 }
 163
 164 static int WINAPIV vswprintf_wrapper(unsigned __int64 options, wchar_t *str,
 165                                      size_t len, const wchar_t *format, ...)
 166 {
 167     int ret;
 168     __ms_va_list valist;
 169     __ms_va_start(valist, format);
 170     ret = __stdio_common_vswprintf(options, str, len, format, NULL, valist);
 171     __ms_va_end(valist);
 172     return ret;
 173 }
 174
 175 static void test_swprintf (void)
 176 {
 177     const wchar_t str_short[]      = {'s','h','o','r','t',0};
 178     const wchar_t str_justfit[]    = {'j','u','s','t','f','i','t',0};
 179     const wchar_t str_justfits[]   = {'j','u','s','t','f','i','t','s',0};
 180     const wchar_t str_muchlonger[] = {'m','u','c','h','l','o','n','g','e','r',0};
 181     const wchar_t str_empty[]      = {0};
 182     const wchar_t *tests[] = {str_short, str_justfit, str_justfits, str_muchlonger};
 183
 184     wchar_t buffer[8];
 185     char narrow[8], narrow_fmt[16];
 186     const int bufsiz = ARRAY_SIZE(buffer);
 187     unsigned int i;
 188
 189     /* Legacy _snprintf style termination */
 190     for (i = 0; i < ARRAY_SIZE(tests); i++) {
 191         const wchar_t *fmt = tests[i];
 192         const int expect   = wcslen(fmt) > bufsiz ? -1 : wcslen(fmt);
 193         const int n        = vswprintf_wrapper (_CRT_INTERNAL_PRINTF_LEGACY_VSPRINTF_NULL_TERMINATION, buffer, bufsiz, fmt);
 194         const int valid    = n < 0 ? bufsiz : (n == bufsiz ? n : n+1);
 195
 196         WideCharToMultiByte (CP_ACP, 0, buffer, -1, narrow, sizeof(narrow), NULL, NULL);
 197         WideCharToMultiByte (CP_ACP, 0, fmt, -1, narrow_fmt, sizeof(narrow_fmt), NULL, NULL);
 198         ok (n == expect, "\"%s\": expected %d, returned %d\n",
 199             narrow_fmt, expect, n);
 200         ok (!memcmp (fmt, buffer, valid * sizeof(wchar_t)),
 201             "\"%s\": rendered \"%.*s\"\n", narrow_fmt, valid, narrow);
 202     }
 203
 204     /* C99 snprintf style termination */
 205     for (i = 0; i < ARRAY_SIZE(tests); i++) {
 206         const wchar_t *fmt = tests[i];
 207         const int expect   = wcslen(fmt);
 208         const int n        = vswprintf_wrapper (_CRT_INTERNAL_PRINTF_STANDARD_SNPRINTF_BEHAVIOR, buffer, bufsiz, fmt);
 209         const int valid    = n >= bufsiz ? bufsiz - 1 : n < 0 ? 0 : n;
 210
 211         WideCharToMultiByte (CP_ACP, 0, buffer, -1, narrow, sizeof(narrow), NULL, NULL);
 212         WideCharToMultiByte (CP_ACP, 0, fmt, -1, narrow_fmt, sizeof(narrow_fmt), NULL, NULL);
 213         ok (n == expect, "\"%s\": expected %d, returned %d\n",
 214             narrow_fmt, expect, n);
 215         ok (!memcmp (fmt, buffer, valid * sizeof(wchar_t)),
 216             "\"%s\": rendered \"%.*s\"\n", narrow_fmt, valid, narrow);
 217         ok (buffer[valid] == '\0',
 218             "\"%s\": Missing null termination (ret %d) - is %d\n", narrow_fmt, n, buffer[valid]);
 219     }
 220
 221     /* swprintf style termination */
 222     for (i = 0; i < ARRAY_SIZE(tests); i++) {
 223         const wchar_t *fmt = tests[i];
 224         const int expect   = wcslen(fmt) >= bufsiz ? -2 : wcslen(fmt);
 225         const int n        = vswprintf_wrapper (0, buffer, bufsiz, fmt);
 226         const int valid    = n < 0 ? bufsiz - 1 : n;
 227
 228         WideCharToMultiByte (CP_ACP, 0, buffer, -1, narrow, sizeof(narrow), NULL, NULL);
 229         WideCharToMultiByte (CP_ACP, 0, fmt, -1, narrow_fmt, sizeof(narrow_fmt), NULL, NULL);
 230         ok (n == expect, "\"%s\": expected %d, returned %d\n",
 231             narrow_fmt, expect, n);
 232         ok (!memcmp (fmt, buffer, valid * sizeof(wchar_t)),
 233             "\"%s\": rendered \"%.*s\"\n", narrow_fmt, valid, narrow);
 234         ok (buffer[valid] == '\0',
 235             "\"%s\": Missing null termination (ret %d) - is %d\n", narrow_fmt, n, buffer[valid]);
 236     }
 237
 238     ok (vswprintf_wrapper (_CRT_INTERNAL_PRINTF_STANDARD_SNPRINTF_BEHAVIOR, NULL, 0, str_short) == 5,
 239         "Failure to swprintf to NULL\n");
 240     ok (vswprintf_wrapper (_CRT_INTERNAL_PRINTF_LEGACY_VSPRINTF_NULL_TERMINATION, NULL, 0, str_short) == 5,
 241         "Failure to swprintf to NULL\n");
 242     ok (vswprintf_wrapper (0, NULL, 0, str_short) == 5,
 243         "Failure to swprintf to NULL\n");
 244     ok (vswprintf_wrapper (_CRT_INTERNAL_PRINTF_STANDARD_SNPRINTF_BEHAVIOR, buffer, 0, str_short) == 5,
 245         "Failure to swprintf to a zero length buffer\n");
 246     ok (vswprintf_wrapper (_CRT_INTERNAL_PRINTF_LEGACY_VSPRINTF_NULL_TERMINATION, buffer, 0, str_short) == -1,
 247         "Failure to swprintf to a zero length buffer\n");
 248     ok (vswprintf_wrapper (0, buffer, 0, str_short) == -1,
 249         "Failure to swprintf to a zero length buffer\n");
 250     ok (vswprintf_wrapper (_CRT_INTERNAL_PRINTF_STANDARD_SNPRINTF_BEHAVIOR, buffer, 0, str_empty) == 0,
 251         "Failure to swprintf a zero length string to a zero length buffer\n");
 252     ok (vswprintf_wrapper (_CRT_INTERNAL_PRINTF_LEGACY_VSPRINTF_NULL_TERMINATION, buffer, 0, str_empty) == 0,
 253         "Failure to swprintf a zero length string to a zero length buffer\n");
 254     ok (vswprintf_wrapper (0, buffer, 0, str_empty) == -1,
 255         "Failure to swprintf a zero length string to a zero length buffer\n");
 256 }
 257
 258 static int WINAPIV vfprintf_wrapper(FILE *file,
 259                                     const char *format, ...)
 260 {
 261     int ret;
 262     __ms_va_list valist;
 263     __ms_va_start(valist, format);
 264     ret = __stdio_common_vfprintf(0, file, format, NULL, valist);
 265     __ms_va_end(valist);
 266     return ret;
 267 }
 268
 269 static void test_fprintf(void)
 270 {
 271     static const char file_name[] = "fprintf.tst";
 272
 273     FILE *fp = fopen(file_name, "wb");
 274     char buf[1024];
 275     int ret;
 276
 277     ret = vfprintf_wrapper(fp, "simple test\n");
 278     ok(ret == 12, "ret = %d\n", ret);
 279     ret = ftell(fp);
 280     ok(ret == 12, "ftell returned %d\n", ret);
 281
 282     ret = vfprintf_wrapper(fp, "contains%cnull\n", '\0');
 283     ok(ret == 14, "ret = %d\n", ret);
 284     ret = ftell(fp);
 285     ok(ret == 26, "ftell returned %d\n", ret);
 286
 287     fclose(fp);
 288
 289     fp = fopen(file_name, "rb");
 290     fgets(buf, sizeof(buf), fp);
 291     ret = ftell(fp);
 292     ok(ret == 12, "ftell returned %d\n", ret);
 293     ok(!strcmp(buf, "simple test\n"), "buf = %s\n", buf);
 294
 295     fgets(buf, sizeof(buf), fp);
 296     ret = ftell(fp);
 297     ok(ret == 26, "ret = %d\n", ret);
 298     ok(!memcmp(buf, "contains\0null\n", 14), "buf = %s\n", buf);
 299
 300     fclose(fp);
 301
 302     fp = fopen(file_name, "wt");
 303
 304     ret = vfprintf_wrapper(fp, "simple test\n");
 305     ok(ret == 12, "ret = %d\n", ret);
 306     ret = ftell(fp);
 307     ok(ret == 13, "ftell returned %d\n", ret);
 308
 309     ret = vfprintf_wrapper(fp, "contains%cnull\n", '\0');
 310     ok(ret == 14, "ret = %d\n", ret);
 311     ret = ftell(fp);
 312     ok(ret == 28, "ftell returned %d\n", ret);
 313
 314     fclose(fp);
 315
 316     fp = fopen(file_name, "rb");
 317     fgets(buf, sizeof(buf), fp);
 318     ret = ftell(fp);
 319     ok(ret == 13, "ftell returned %d\n", ret);
 320     ok(!strcmp(buf, "simple test\r\n"), "buf = %s\n", buf);
 321
 322     fgets(buf, sizeof(buf), fp);
 323     ret = ftell(fp);
 324     ok(ret == 28, "ret = %d\n", ret);
 325     ok(!memcmp(buf, "contains\0null\r\n", 15), "buf = %s\n", buf);
 326
 327     fclose(fp);
 328     unlink(file_name);
 329 }
 330
 331 static int WINAPIV vfwprintf_wrapper(FILE *file,
 332                                      const wchar_t *format, ...)
 333 {
 334     int ret;
 335     __ms_va_list valist;
 336     __ms_va_start(valist, format);
 337     ret = __stdio_common_vfwprintf(0, file, format, NULL, valist);
 338     __ms_va_end(valist);
 339     return ret;
 340 }
 341
 342 static void test_fwprintf(void)
 343 {
 344     static const char file_name[] = "fprintf.tst";
 345     static const WCHAR simple[] = {'s','i','m','p','l','e',' ','t','e','s','t','\n',0};
 346     static const WCHAR cont_fmt[] = {'c','o','n','t','a','i','n','s','%','c','n','u','l','l','\n',0};
 347     static const WCHAR cont[] = {'c','o','n','t','a','i','n','s','\0','n','u','l','l','\n',0};
 348
 349     FILE *fp = fopen(file_name, "wb");
 350     wchar_t bufw[1024];
 351     char bufa[1024];
 352     int ret;
 353
 354     ret = vfwprintf_wrapper(fp, simple);
 355     ok(ret == 12, "ret = %d\n", ret);
 356     ret = ftell(fp);
 357     ok(ret == 24, "ftell returned %d\n", ret);
 358
 359     ret = vfwprintf_wrapper(fp, cont_fmt, '\0');
 360     ok(ret == 14, "ret = %d\n", ret);
 361     ret = ftell(fp);
 362     ok(ret == 52, "ftell returned %d\n", ret);
 363
 364     fclose(fp);
 365
 366     fp = fopen(file_name, "rb");
 367     fgetws(bufw, ARRAY_SIZE(bufw), fp);
 368     ret = ftell(fp);
 369     ok(ret == 24, "ftell returned %d\n", ret);
 370     ok(!wcscmp(bufw, simple), "buf = %s\n", wine_dbgstr_w(bufw));
 371
 372     fgetws(bufw, ARRAY_SIZE(bufw), fp);
 373     ret = ftell(fp);
 374     ok(ret == 52, "ret = %d\n", ret);
 375     ok(!memcmp(bufw, cont, 28), "buf = %s\n", wine_dbgstr_w(bufw));
 376
 377     fclose(fp);
 378
 379     fp = fopen(file_name, "wt");
 380
 381     ret = vfwprintf_wrapper(fp, simple);
 382     ok(ret == 12, "ret = %d\n", ret);
 383     ret = ftell(fp);
 384     ok(ret == 13, "ftell returned %d\n", ret);
 385
 386     ret = vfwprintf_wrapper(fp, cont_fmt, '\0');
 387     ok(ret == 14, "ret = %d\n", ret);
 388     ret = ftell(fp);
 389     ok(ret == 28, "ftell returned %d\n", ret);
 390
 391     fclose(fp);
 392
 393     fp = fopen(file_name, "rb");
 394     fgets(bufa, sizeof(bufa), fp);
 395     ret = ftell(fp);
 396     ok(ret == 13, "ftell returned %d\n", ret);
 397     ok(!strcmp(bufa, "simple test\r\n"), "buf = %s\n", bufa);
 398
 399     fgets(bufa, sizeof(bufa), fp);
 400     ret = ftell(fp);
 401     ok(ret == 28, "ret = %d\n", ret);
 402     ok(!memcmp(bufa, "contains\0null\r\n", 15), "buf = %s\n", bufa);
 403
 404     fclose(fp);
 405     unlink(file_name);
 406
 407     /* NULL format */
 408     errno = 0xdeadbeef;
 409     SET_EXPECT(invalid_parameter_handler);
 410     ret = vfwprintf_wrapper(fp, NULL);
 411     ok(errno == EINVAL, "expected errno EINVAL, got %d\n", errno);
 412     ok(ret == -1, "expected ret -1, got %d\n", ret);
 413     CHECK_CALLED(invalid_parameter_handler);
 414
 415     /* NULL file */
 416     errno = 0xdeadbeef;
 417     SET_EXPECT(invalid_parameter_handler);
 418     ret = vfwprintf_wrapper(NULL, simple);
 419     ok(errno == EINVAL, "expected errno EINVAL, got %d\n", errno);
 420     ok(ret == -1, "expected ret -1, got %d\n", ret);
 421     CHECK_CALLED(invalid_parameter_handler);
 422
 423     /* format using % with NULL arglist*/
 424     /* crashes on Windows */
 425     /* ret = __stdio_common_vfwprintf(0, fp, cont_fmt, NULL, NULL); */
 426 }
 427
 428 static int WINAPIV _vsnprintf_s_wrapper(char *str, size_t sizeOfBuffer,
 429                                         size_t count, const char *format, ...)
 430 {
 431     int ret;
 432     __ms_va_list valist;
 433     __ms_va_start(valist, format);
 434     ret = __stdio_common_vsnprintf_s(0, str, sizeOfBuffer, count, format, NULL, valist);
 435     __ms_va_end(valist);
 436     return ret;
 437 }
 438
 439 static void test_vsnprintf_s(void)
 440 {
 441     const char format[] = "AB%uC";
 442     const char out7[] = "AB123C";
 443     const char out6[] = "AB123";
 444     const char out2[] = "A";
 445     const char out1[] = "";
 446     char buffer[14] = { 0 };
 447     int exp, got;
 448
 449     /* Enough room. */
 450     exp = strlen(out7);
 451
 452     got = _vsnprintf_s_wrapper(buffer, 14, _TRUNCATE, format, 123);
 453     ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
 454     ok( !strcmp(out7, buffer), "buffer wrong, got=%s\n", buffer);
 455
 456     got = _vsnprintf_s_wrapper(buffer, 12, _TRUNCATE, format, 123);
 457     ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
 458     ok( !strcmp(out7, buffer), "buffer wrong, got=%s\n", buffer);
 459
 460     got = _vsnprintf_s_wrapper(buffer, 7, _TRUNCATE, format, 123);
 461     ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
 462     ok( !strcmp(out7, buffer), "buffer wrong, got=%s\n", buffer);
 463
 464     /* Not enough room. */
 465     exp = -1;
 466
 467     got = _vsnprintf_s_wrapper(buffer, 6, _TRUNCATE, format, 123);
 468     ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
 469     ok( !strcmp(out6, buffer), "buffer wrong, got=%s\n", buffer);
 470
 471     got = _vsnprintf_s_wrapper(buffer, 2, _TRUNCATE, format, 123);
 472     ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
 473     ok( !strcmp(out2, buffer), "buffer wrong, got=%s\n", buffer);
 474
 475     got = _vsnprintf_s_wrapper(buffer, 1, _TRUNCATE, format, 123);
 476     ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
 477     ok( !strcmp(out1, buffer), "buffer wrong, got=%s\n", buffer);
 478 }
 479
 480 static int WINAPIV _vsnwprintf_s_wrapper(WCHAR *str, size_t sizeOfBuffer,
 481                                         size_t count, const WCHAR *format, ...)
 482 {
 483     int ret;
 484     __ms_va_list valist;
 485     __ms_va_start(valist, format);
 486     ret = __stdio_common_vsnwprintf_s(0, str, sizeOfBuffer, count, format, NULL, valist);
 487     __ms_va_end(valist);
 488     return ret;
 489 }
 490
 491 static void test_vsnwprintf_s(void)
 492 {
 493     const WCHAR format[] = {'A','B','%','u','C',0};
 494     const WCHAR out7[] = {'A','B','1','2','3','C',0};
 495     const WCHAR out6[] = {'A','B','1','2','3',0};
 496     const WCHAR out2[] = {'A',0};
 497     const WCHAR out1[] = {0};
 498     WCHAR buffer[14] = { 0 };
 499     int exp, got;
 500
 501     /* Enough room. */
 502     exp = lstrlenW(out7);
 503
 504     got = _vsnwprintf_s_wrapper(buffer, 14, _TRUNCATE, format, 123);
 505     ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
 506     ok( !lstrcmpW(out7, buffer), "buffer wrong, got=%s\n", wine_dbgstr_w(buffer));
 507
 508     got = _vsnwprintf_s_wrapper(buffer, 12, _TRUNCATE, format, 123);
 509     ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
 510     ok( !lstrcmpW(out7, buffer), "buffer wrong, got=%s\n", wine_dbgstr_w(buffer));
 511
 512     got = _vsnwprintf_s_wrapper(buffer, 7, _TRUNCATE, format, 123);
 513     ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
 514     ok( !lstrcmpW(out7, buffer), "buffer wrong, got=%s\n", wine_dbgstr_w(buffer));
 515
 516     /* Not enough room. */
 517     exp = -1;
 518
 519     got = _vsnwprintf_s_wrapper(buffer, 6, _TRUNCATE, format, 123);
 520     ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
 521     ok( !lstrcmpW(out6, buffer), "buffer wrong, got=%s\n", wine_dbgstr_w(buffer));
 522
 523     got = _vsnwprintf_s_wrapper(buffer, 2, _TRUNCATE, format, 123);
 524     ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
 525     ok( !lstrcmpW(out2, buffer), "buffer wrong, got=%s\n", wine_dbgstr_w(buffer));
 526
 527     got = _vsnwprintf_s_wrapper(buffer, 1, _TRUNCATE, format, 123);
 528     ok( exp == got, "length wrong, expect=%d, got=%d\n", exp, got);
 529     ok( !lstrcmpW(out1, buffer), "buffer wrong, got=%s\n", wine_dbgstr_w(buffer));
 530 }
 531
 532 static void test_printf_legacy_wide(void)
 533 {
 534     const wchar_t wide[] = {'A','B','C','D',0};
 535     const char narrow[] = "abcd";
 536     const char out[] = "abcd ABCD";
 537     /* The legacy wide flag doesn't affect narrow printfs, so the same
 538      * format should behave the same both with and without the flag. */
 539     const char narrow_fmt[] = "%s %ls";
 540     /* The standard behaviour is to use the same format as for the narrow
 541      * case, while the legacy case has got a different meaning for %s. */
 542     const wchar_t std_wide_fmt[] = {'%','s',' ','%','l','s',0};
 543     const wchar_t legacy_wide_fmt[] = {'%','h','s',' ','%','s',0};
 544     char buffer[20];
 545     wchar_t wbuffer[20];
 546
 547     vsprintf_wrapper(0, buffer, sizeof(buffer), narrow_fmt, narrow, wide);
 548     ok(!strcmp(buffer, out), "buffer wrong, got=%s\n", buffer);
 549     vsprintf_wrapper(_CRT_INTERNAL_PRINTF_LEGACY_WIDE_SPECIFIERS, buffer, sizeof(buffer), narrow_fmt, narrow, wide);
 550     ok(!strcmp(buffer, out), "buffer wrong, got=%s\n", buffer);
 551
 552     vswprintf_wrapper(0, wbuffer, sizeof(wbuffer), std_wide_fmt, narrow, wide);
 553     WideCharToMultiByte(CP_ACP, 0, wbuffer, -1, buffer, sizeof(buffer), NULL, NULL);
 554     ok(!strcmp(buffer, out), "buffer wrong, got=%s\n", buffer);
 555     vswprintf_wrapper(_CRT_INTERNAL_PRINTF_LEGACY_WIDE_SPECIFIERS, wbuffer, sizeof(wbuffer), legacy_wide_fmt, narrow, wide);
 556     WideCharToMultiByte(CP_ACP, 0, wbuffer, -1, buffer, sizeof(buffer), NULL, NULL);
 557     ok(!strcmp(buffer, out), "buffer wrong, got=%s\n", buffer);
 558 }
 559
 560 static void test_printf_legacy_msvcrt(void)
 561 {
 562     char buf[50];
 563
 564     /* In standard mode, %F is a float format conversion, while it is a
 565      * length modifier in legacy msvcrt mode. In legacy mode, N is also
 566      * a length modifier. */
 567     vsprintf_wrapper(0, buf, sizeof(buf), "%F", 1.23);
 568     ok(!strcmp(buf, "1.230000"), "buf = %s\n", buf);
 569     vsprintf_wrapper(_CRT_INTERNAL_PRINTF_LEGACY_MSVCRT_COMPATIBILITY, buf, sizeof(buf), "%Fd %Nd", 123, 456);
 570     ok(!strcmp(buf, "123 456"), "buf = %s\n", buf);
 571
 572     vsprintf_wrapper(0, buf, sizeof(buf), "%f %F %f %e %E %g %G", INFINITY, INFINITY, -INFINITY, INFINITY, INFINITY, INFINITY, INFINITY);
 573     ok(!strcmp(buf, "inf INF -inf inf INF inf INF"), "buf = %s\n", buf);
 574     vsprintf_wrapper(_CRT_INTERNAL_PRINTF_LEGACY_MSVCRT_COMPATIBILITY, buf, sizeof(buf), "%f", INFINITY);
 575     ok(!strcmp(buf, "1.#INF00"), "buf = %s\n", buf);
 576     vsprintf_wrapper(0, buf, sizeof(buf), "%f %F", NAN, NAN);
 577     ok(!strcmp(buf, "nan NAN"), "buf = %s\n", buf);
 578     vsprintf_wrapper(_CRT_INTERNAL_PRINTF_LEGACY_MSVCRT_COMPATIBILITY, buf, sizeof(buf), "%f", NAN);
 579     ok(!strcmp(buf, "1.#QNAN0"), "buf = %s\n", buf);
 580     vsprintf_wrapper(0, buf, sizeof(buf), "%f %F", IND, IND);
 581     ok(!strcmp(buf, "-nan(ind) -NAN(IND)"), "buf = %s\n", buf);
 582     vsprintf_wrapper(_CRT_INTERNAL_PRINTF_LEGACY_MSVCRT_COMPATIBILITY, buf, sizeof(buf), "%f", IND);
 583     ok(!strcmp(buf, "-1.#IND00"), "buf = %s\n", buf);
 584 }
 585
 586 static void test_printf_legacy_three_digit_exp(void)
 587 {
 588     char buf[20];
 589
 590     vsprintf_wrapper(0, buf, sizeof(buf), "%E", 1.23);
 591     ok(!strcmp(buf, "1.230000E+00"), "buf = %s\n", buf);
 592     vsprintf_wrapper(_CRT_INTERNAL_PRINTF_LEGACY_THREE_DIGIT_EXPONENTS, buf, sizeof(buf), "%E", 1.23);
 593     ok(!strcmp(buf, "1.230000E+000"), "buf = %s\n", buf);
 594     vsprintf_wrapper(0, buf, sizeof(buf), "%E", 1.23e+123);
 595     ok(!strcmp(buf, "1.230000E+123"), "buf = %s\n", buf);
 596 }
 597
 598 static void test_printf_c99(void)
 599 {
 600     char buf[30];
 601     int i;
 602
 603     /* The msvcrt compatibility flag doesn't affect whether 'z' is interpreted
 604      * as size_t size for integers. */
 605      for (i = 0; i < 2; i++) {
 606         unsigned __int64 options = (i == 0) ? 0 :
 607             _CRT_INTERNAL_PRINTF_LEGACY_MSVCRT_COMPATIBILITY;
 608
 609         /* z modifier accepts size_t argument */
 610         vsprintf_wrapper(options, buf, sizeof(buf), "%zx %d", SIZE_MAX, 1);
 611         if (sizeof(size_t) == 8)
 612             ok(!strcmp(buf, "ffffffffffffffff 1"), "buf = %s\n", buf);
 613         else
 614             ok(!strcmp(buf, "ffffffff 1"), "buf = %s\n", buf);
 615
 616         /* j modifier with signed format accepts intmax_t argument */
 617         vsprintf_wrapper(options, buf, sizeof(buf), "%jd %d", INTMAX_MIN, 1);
 618         ok(!strcmp(buf, "-9223372036854775808 1"), "buf = %s\n", buf);
 619
 620         /* j modifier with unsigned format accepts uintmax_t argument */
 621         vsprintf_wrapper(options, buf, sizeof(buf), "%ju %d", UINTMAX_MAX, 1);
 622         ok(!strcmp(buf, "18446744073709551615 1"), "buf = %s\n", buf);
 623
 624         /* t modifier accepts ptrdiff_t argument */
 625         vsprintf_wrapper(options, buf, sizeof(buf), "%td %d", PTRDIFF_MIN, 1);
 626         if (sizeof(ptrdiff_t) == 8)
 627             ok(!strcmp(buf, "-9223372036854775808 1"), "buf = %s\n", buf);
 628         else
 629             ok(!strcmp(buf, "-2147483648 1"), "buf = %s\n", buf);
 630     }
 631 }
 632
 633 static void test_printf_natural_string(void)
 634 {
 635     const wchar_t wide[] = {'A','B','C','D',0};
 636     const char narrow[] = "abcd";
 637     const char narrow_fmt[] = "%s %Ts";
 638     const char narrow_out[] = "abcd abcd";
 639     const wchar_t wide_fmt[] = {'%','s',' ','%','T','s',0};
 640     const wchar_t wide_out[] = {'a','b','c','d',' ','A','B','C','D',0};
 641     char buffer[20];
 642     wchar_t wbuffer[20];
 643
 644     vsprintf_wrapper(0, buffer, sizeof(buffer), narrow_fmt, narrow, narrow);
 645     ok(!strcmp(buffer, narrow_out), "buffer wrong, got=%s\n", buffer);
 646
 647     vswprintf_wrapper(0, wbuffer, sizeof(wbuffer), wide_fmt, narrow, wide);
 648     ok(!lstrcmpW(wbuffer, wide_out), "buffer wrong, got=%s\n", wine_dbgstr_w(wbuffer));
 649 }
 650
 651 static void test_printf_fp(void)
 652 {
 653     static const int flags[] = {
 654         0,
 655         _CRT_INTERNAL_PRINTF_LEGACY_MSVCRT_COMPATIBILITY,
 656         _CRT_INTERNAL_PRINTF_LEGACY_THREE_DIGIT_EXPONENTS,
 657         _CRT_INTERNAL_PRINTF_LEGACY_MSVCRT_COMPATIBILITY
 658             | _CRT_INTERNAL_PRINTF_LEGACY_THREE_DIGIT_EXPONENTS,
 659         _CRT_INTERNAL_PRINTF_LEGACY_MSVCRT_COMPATIBILITY
 660             | _CRT_INTERNAL_PRINTF_LEGACY_THREE_DIGIT_EXPONENTS
 661             | _CRT_INTERNAL_PRINTF_STANDARD_ROUNDING
 662     };
 663     const struct {
 664         const char *fmt;
 665         double d;
 666         const char *res[ARRAY_SIZE(flags)];
 667         const char *broken[ARRAY_SIZE(flags)];
 668     } tests[] = {
 669         { "%a", NAN, { "nan", "0x1.#QNAN00000000p+0", "nan", "0x1.#QNAN00000000p+0" }},
 670         { "%A", NAN, { "NAN", "0X1.#QNAN00000000P+0", "NAN", "0X1.#QNAN00000000P+0" }},
 671         { "%e", NAN, { "nan", "1.#QNAN0e+00", "nan", "1.#QNAN0e+000" }},
 672         { "%E", NAN, { "NAN", "1.#QNAN0E+00", "NAN", "1.#QNAN0E+000" }},
 673         { "%g", NAN, { "nan", "1.#QNAN", "nan", "1.#QNAN" }},
 674         { "%G", NAN, { "NAN", "1.#QNAN", "NAN", "1.#QNAN" }},
 675         { "%21a", NAN, { "                  nan", " 0x1.#QNAN00000000p+0", "                  nan", " 0x1.#QNAN00000000p+0" }},
 676         { "%20e", NAN, { "                 nan", "        1.#QNAN0e+00", "                 nan", "       1.#QNAN0e+000" }},
 677         { "%20g", NAN, { "                 nan", "             1.#QNAN", "                 nan", "             1.#QNAN" }},
 678         { "%.21a", NAN, { "nan", "0x1.#QNAN0000000000000000p+0", "nan", "0x1.#QNAN0000000000000000p+0" }},
 679         { "%.20e", NAN, { "nan", "1.#QNAN000000000000000e+00", "nan", "1.#QNAN000000000000000e+000" }},
 680         { "%.20g", NAN, { "nan", "1.#QNAN", "nan", "1.#QNAN" }},
 681         { "%.021a", NAN, { "nan", "0x1.#QNAN0000000000000000p+0", "nan", "0x1.#QNAN0000000000000000p+0" }},
 682         { "%.020e", NAN, { "nan", "1.#QNAN000000000000000e+00", "nan", "1.#QNAN000000000000000e+000" }},
 683         { "%.020g", NAN, { "nan", "1.#QNAN", "nan", "1.#QNAN" }},
 684         { "%#.21a", NAN, { "nan", "0x1.#QNAN0000000000000000p+0", "nan", "0x1.#QNAN0000000000000000p+0" }},
 685         { "%#.20e", NAN, { "nan", "1.#QNAN000000000000000e+00", "nan", "1.#QNAN000000000000000e+000" }},
 686         { "%#.20g", NAN, { "nan", "1.#QNAN00000000000000", "nan", "1.#QNAN00000000000000" }},
 687         { "%.1g", NAN, { "nan", "1", "nan", "1" }},
 688         { "%.2g", NAN, { "nan", "1.$", "nan", "1.$" }},
 689         { "%.3g", NAN, { "nan", "1.#R", "nan", "1.#R" }},
 690
 691         { "%a", IND, { "-nan(ind)", "-0x1.#IND000000000p+0", "-nan(ind)", "-0x1.#IND000000000p+0" }},
 692         { "%e", IND, { "-nan(ind)", "-1.#IND00e+00", "-nan(ind)", "-1.#IND00e+000" }},
 693         { "%g", IND, { "-nan(ind)", "-1.#IND", "-nan(ind)", "-1.#IND" }},
 694         { "%21a", IND, { "            -nan(ind)", "-0x1.#IND000000000p+0", "            -nan(ind)", "-0x1.#IND000000000p+0" }},
 695         { "%20e", IND, { "           -nan(ind)", "       -1.#IND00e+00", "           -nan(ind)", "      -1.#IND00e+000" }},
 696         { "%20g", IND, { "           -nan(ind)", "             -1.#IND", "           -nan(ind)", "             -1.#IND" }},
 697         { "%.21a", IND, { "-nan(ind)", "-0x1.#IND00000000000000000p+0", "-nan(ind)", "-0x1.#IND00000000000000000p+0" }},
 698         { "%.20e", IND, { "-nan(ind)", "-1.#IND0000000000000000e+00", "-nan(ind)", "-1.#IND0000000000000000e+000" }},
 699         { "%.20g", IND, { "-nan(ind)", "-1.#IND", "-nan(ind)", "-1.#IND" }},
 700         { "%.021a", IND, { "-nan(ind)", "-0x1.#IND00000000000000000p+0", "-nan(ind)", "-0x1.#IND00000000000000000p+0" }},
 701         { "%.020e", IND, { "-nan(ind)", "-1.#IND0000000000000000e+00", "-nan(ind)", "-1.#IND0000000000000000e+000" }},
 702         { "%.020g", IND, { "-nan(ind)", "-1.#IND", "-nan(ind)", "-1.#IND" }},
 703         { "%#.21a", IND, { "-nan(ind)", "-0x1.#IND00000000000000000p+0", "-nan(ind)", "-0x1.#IND00000000000000000p+0" }},
 704         { "%#.20e", IND, { "-nan(ind)", "-1.#IND0000000000000000e+00", "-nan(ind)", "-1.#IND0000000000000000e+000" }},
 705         { "%#.20g", IND, { "-nan(ind)", "-1.#IND000000000000000", "-nan(ind)", "-1.#IND000000000000000" }},
 706
 707         { "%a", INFINITY, { "inf", "0x1.#INF000000000p+0", "inf", "0x1.#INF000000000p+0" }},
 708         { "%e", INFINITY, { "inf", "1.#INF00e+00", "inf", "1.#INF00e+000" }},
 709         { "%g", INFINITY, { "inf", "1.#INF", "inf", "1.#INF" }},
 710         { "%21a", INFINITY, { "                  inf", " 0x1.#INF000000000p+0", "                  inf", " 0x1.#INF000000000p+0" }},
 711         { "%20e", INFINITY, { "                 inf", "        1.#INF00e+00", "                 inf", "       1.#INF00e+000" }},
 712         { "%20g", INFINITY, { "                 inf", "              1.#INF", "                 inf", "              1.#INF" }},
 713         { "%.21a", INFINITY, { "inf", "0x1.#INF00000000000000000p+0", "inf", "0x1.#INF00000000000000000p+0" }},
 714         { "%.20e", INFINITY, { "inf", "1.#INF0000000000000000e+00", "inf", "1.#INF0000000000000000e+000" }},
 715         { "%.20g", INFINITY, { "inf", "1.#INF", "inf", "1.#INF" }},
 716         { "%.021a", INFINITY, { "inf", "0x1.#INF00000000000000000p+0", "inf", "0x1.#INF00000000000000000p+0" }},
 717         { "%.020e", INFINITY, { "inf", "1.#INF0000000000000000e+00", "inf", "1.#INF0000000000000000e+000" }},
 718         { "%.020g", INFINITY, { "inf", "1.#INF", "inf", "1.#INF" }},
 719         { "%#.21a", INFINITY, { "inf", "0x1.#INF00000000000000000p+0", "inf", "0x1.#INF00000000000000000p+0" }},
 720         { "%#.20e", INFINITY, { "inf", "1.#INF0000000000000000e+00", "inf", "1.#INF0000000000000000e+000" }},
 721         { "%#.20g", INFINITY, { "inf", "1.#INF000000000000000", "inf", "1.#INF000000000000000" }},
 722
 723         { "%a", -INFINITY, { "-inf", "-0x1.#INF000000000p+0", "-inf", "-0x1.#INF000000000p+0" }},
 724         { "%e", -INFINITY, { "-inf", "-1.#INF00e+00", "-inf", "-1.#INF00e+000" }},
 725         { "%g", -INFINITY, { "-inf", "-1.#INF", "-inf", "-1.#INF" }},
 726         { "%21a", -INFINITY, { "                 -inf", "-0x1.#INF000000000p+0", "                 -inf", "-0x1.#INF000000000p+0" }},
 727         { "%20e", -INFINITY, { "                -inf", "       -1.#INF00e+00", "                -inf", "      -1.#INF00e+000" }},
 728         { "%20g", -INFINITY, { "                -inf", "             -1.#INF", "                -inf", "             -1.#INF" }},
 729         { "%.21a", -INFINITY, { "-inf", "-0x1.#INF00000000000000000p+0", "-inf", "-0x1.#INF00000000000000000p+0" }},
 730         { "%.20e", -INFINITY, { "-inf", "-1.#INF0000000000000000e+00", "-inf", "-1.#INF0000000000000000e+000" }},
 731         { "%.20g", -INFINITY, { "-inf", "-1.#INF", "-inf", "-1.#INF" }},
 732         { "%.021a", -INFINITY, { "-inf", "-0x1.#INF00000000000000000p+0", "-inf", "-0x1.#INF00000000000000000p+0" }},
 733         { "%.020e", -INFINITY, { "-inf", "-1.#INF0000000000000000e+00", "-inf", "-1.#INF0000000000000000e+000" }},
 734         { "%.020g", -INFINITY, { "-inf", "-1.#INF", "-inf", "-1.#INF" }},
 735         { "%#.21a", -INFINITY, { "-inf", "-0x1.#INF00000000000000000p+0", "-inf", "-0x1.#INF00000000000000000p+0" }},
 736         { "%#.20e", -INFINITY, { "-inf", "-1.#INF0000000000000000e+00", "-inf", "-1.#INF0000000000000000e+000" }},
 737         { "%#.20g", -INFINITY, { "-inf", "-1.#INF000000000000000", "-inf", "-1.#INF000000000000000" }},
 738
 739         { "%a", 0, { "0x0.0000000000000p+0" }},
 740         { "%A", 0, { "0X0.0000000000000P+0" }},
 741         { "%a", 0.5, { "0x1.0000000000000p-1" }},
 742         { "%a", 1, { "0x1.0000000000000p+0" }},
 743         { "%a", 20, { "0x1.4000000000000p+4" }},
 744         { "%a", -1, { "-0x1.0000000000000p+0" }},
 745         { "%a", 0.1, { "0x1.999999999999ap-4" }},
 746         { "%24a", 0.1, { "    0x1.999999999999ap-4" }},
 747         { "%024a", 0.1, { "0x00001.999999999999ap-4" }},
 748         { "%.2a", 0.1, { "0x1.9ap-4" }},
 749         { "%.20a", 0.1, { "0x1.999999999999a0000000p-4" }},
 750         { "%.a", 0.1e-20, { "0x1p-70" }},
 751         { "%a", 0.1e-20, { "0x1.2e3b40a0e9b4fp-70" }},
 752         { "%a", 4.9406564584124654e-324, { "0x0.0000000000001p-1022" }},
 753         { "%.0a", -1.5, { "-0x2p+0" }, { "-0x1p+0" }},
 754         { "%.0a", -0.5, { "-0x1p-1" }},
 755         { "%.0a", 0.5, { "0x1p-1" }},
 756         { "%.0a", 1.5, { "0x2p+0" }, { "0x1p+0" }},
 757         { "%.0a", 1.99, { "0x2p+0" }},
 758         { "%.0a", 2, { "0x1p+1" }},
 759         { "%.0a", 9.5, { "0x1p+3" }},
 760         { "%.0a", 10.5, { "0x1p+3" }},
 761         { "%#.0a", -1.5, { "-0x2.p+0" }, { "-0x1.p+0" }},
 762         { "%#.0a", -0.5, { "-0x1.p-1" }},
 763         { "%#.0a", 0.5, { "0x1.p-1" }},
 764         { "%#.0a", 1.5, { "0x2.p+0" }, { "0x1.p+0" }},
 765         { "%#.1a", 1.03125, { "0x1.1p+0", NULL, NULL, NULL, "0x1.0p+0" }, { "0x1.0p+0" }},
 766         { "%#.1a", 1.09375, { "0x1.2p+0" }, { "0x1.1p+0" }},
 767         { "%#.1a", 1.15625, { "0x1.3p+0", NULL, NULL, NULL, "0x1.2p+0" }, { "0x1.2p+0" }},
 768
 769         { "%f", 0, { "0.000000" }},
 770         { "%e", 0, { "0.000000e+00", NULL, "0.000000e+000" }},
 771         { "%g", 0, { "0" }},
 772         { "%21f", 0, { "             0.000000" }},
 773         { "%20e", 0, { "        0.000000e+00", NULL, "       0.000000e+000" }},
 774         { "%20g", 0, { "                   0" }},
 775         { "%.21f", 0, { "0.000000000000000000000" }},
 776         { "%.20e", 0, { "0.00000000000000000000e+00", NULL, "0.00000000000000000000e+000" }},
 777         { "%.20g", 0, { "0" }},
 778         { "%.021f", 0, { "0.000000000000000000000" }},
 779         { "%.020e", 0, { "0.00000000000000000000e+00", NULL, "0.00000000000000000000e+000" }},
 780         { "%.020g", 0, { "0" }},
 781         { "%#.21f", 0, { "0.000000000000000000000" }},
 782         { "%#.20e", 0, { "0.00000000000000000000e+00", NULL, "0.00000000000000000000e+000" }},
 783         { "%#.20g", 0, { "0.0000000000000000000" }, { "0.00000000000000000000" }},
 784
 785         { "%f", 123, { "123.000000" }},
 786         { "%e", 123, { "1.230000e+02", NULL, "1.230000e+002" }},
 787         { "%g", 123, { "123" }},
 788         { "%21f", 123, { "           123.000000" }},
 789         { "%20e", 123, { "        1.230000e+02", NULL, "       1.230000e+002" }},
 790         { "%20g", 123, { "                 123" }},
 791         { "%.21f", 123, { "123.000000000000000000000" }},
 792         { "%.20e", 123, { "1.23000000000000000000e+02", NULL, "1.23000000000000000000e+002" }},
 793         { "%.20g", 123, { "123" }},
 794         { "%.021f", 123, { "123.000000000000000000000" }},
 795         { "%.020e", 123, { "1.23000000000000000000e+02", NULL, "1.23000000000000000000e+002" }},
 796         { "%.020g", 123, { "123" }},
 797         { "%#.21f", 123, { "123.000000000000000000000" }},
 798         { "%#.20e", 123, { "1.23000000000000000000e+02", NULL, "1.23000000000000000000e+002" }},
 799         { "%#.20g", 123, { "123.00000000000000000" }},
 800
 801         { "%f", -765, { "-765.000000" }},
 802         { "%e", -765, { "-7.650000e+02", NULL, "-7.650000e+002" }},
 803         { "%g", -765, { "-765" }},
 804         { "%21f", -765, { "          -765.000000" }},
 805         { "%20e", -765, { "       -7.650000e+02", NULL, "      -7.650000e+002" }},
 806         { "%20g", -765, { "                -765" }},
 807         { "%.21f", -765, { "-765.000000000000000000000" }},
 808         { "%.20e", -765, { "-7.65000000000000000000e+02", NULL, "-7.65000000000000000000e+002" }},
 809         { "%.20g", -765, { "-765" }},
 810         { "%.021f", -765, { "-765.000000000000000000000" }},
 811         { "%.020e", -765, { "-7.65000000000000000000e+02", NULL, "-7.65000000000000000000e+002" }},
 812         { "%.020g", -765, { "-765" }},
 813         { "%#.21f", -765, { "-765.000000000000000000000" }},
 814         { "%#.20e", -765, { "-7.65000000000000000000e+02", NULL, "-7.65000000000000000000e+002" }},
 815         { "%#.20g", -765, { "-765.00000000000000000" }},
 816         { "%.30f", 1.0/3.0, { "0.333333333333333314829616256247" }},
 817         { "%.30lf", sqrt(2), { "1.414213562373095145474621858739" }},
 818         { "%.0g", 9.8949714229143402e-05, { "0.0001" }},
 819         { "%.0f", 0.5, { "1", NULL, NULL, NULL, "0" }, {NULL, NULL, NULL, NULL, "1" }},
 820         { "%.0f", 1.5, { "2" }},
 821         { "%.0f", 2.5, { "3", NULL, NULL, NULL, "2" }, {NULL, NULL, NULL, NULL, "3" }},
 822     };
 823
 824     const char *res = NULL;
 825     const char *broken_res;
 826     char buf[100];
 827     int i, j, r;
 828
 829     for (i = 0; i < ARRAY_SIZE(tests); i++)
 830     {
 831         broken_res = NULL;
 832
 833         for (j = 0; j < ARRAY_SIZE(flags); j++)
 834         {
 835             if (tests[i].res[j]) res = tests[i].res[j];
 836             if (tests[i].broken[j]) broken_res = tests[i].broken[j];
 837
 838             r = vsprintf_wrapper(flags[j], buf, sizeof(buf), tests[i].fmt, tests[i].d);
 839             ok(r == strlen(res) || broken(broken_res && r == strlen(broken_res)),
 840                     "%d,%d) r = %d, expected %d\n", i, j, r, strlen(res));
 841             ok(!strcmp(buf, res) || broken(broken_res && !strcmp(buf, broken_res)),
 842                     "%d,%d) buf = %s, expected %s\n", i, j, buf, res);
 843         }
 844     }
 845 }
 846
 847 START_TEST(printf)
 848 {
 849     ok(_set_invalid_parameter_handler(test_invalid_parameter_handler) == NULL,
 850             "Invalid parameter handler was already set\n");
 851
 852     test_snprintf();
 853     test_swprintf();
 854     test_fprintf();
 855     test_fwprintf();
 856     test_vsnprintf_s();
 857     test_vsnwprintf_s();
 858     test_printf_legacy_wide();
 859     test_printf_legacy_msvcrt();
 860     test_printf_legacy_three_digit_exp();
 861     test_printf_c99();
 862     test_printf_natural_string();
 863     test_printf_fp();
 864 }