1 /* 2 * Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #define TESTUTIL_NO_size_t_COMPARISON 11 12 #include <stdio.h> 13 #include <string.h> 14 #include <openssl/bio.h> 15 #include "internal/numbers.h" 16 #include "testutil.h" 17 #include "testutil/output.h" 18 19 #define nelem(x) (int)(sizeof(x) / sizeof((x)[0])) 20 21 static int justprint = 0; 22 23 static char *fpexpected[][10][5] = { 24 { 25 /* 00 */ { "0.0000e+00", "0.0000", "0", "0.0000E+00", "0" }, 26 /* 01 */ { "6.7000e-01", "0.6700", "0.67", "6.7000E-01", "0.67" }, 27 /* 02 */ { "6.6667e-01", "0.6667", "0.6667", "6.6667E-01", "0.6667" }, 28 /* 03 */ { "6.6667e-04", "0.0007", "0.0006667", "6.6667E-04", "0.0006667" }, 29 /* 04 */ { "6.6667e-05", "0.0001", "6.667e-05", "6.6667E-05", "6.667E-05" }, 30 /* 05 */ { "6.6667e+00", "6.6667", "6.667", "6.6667E+00", "6.667" }, 31 /* 06 */ { "6.6667e+01", "66.6667", "66.67", "6.6667E+01", "66.67" }, 32 /* 07 */ { "6.6667e+02", "666.6667", "666.7", "6.6667E+02", "666.7" }, 33 /* 08 */ { "6.6667e+03", "6666.6667", "6667", "6.6667E+03", "6667" }, 34 /* 09 */ { "6.6667e+04", "66666.6667", "6.667e+04", "6.6667E+04", "6.667E+04" }, 35 }, 36 { 37 /* 10 */ { "0.00000e+00", "0.00000", "0", "0.00000E+00", "0" }, 38 /* 11 */ { "6.70000e-01", "0.67000", "0.67", "6.70000E-01", "0.67" }, 39 /* 12 */ { "6.66667e-01", "0.66667", "0.66667", "6.66667E-01", "0.66667" }, 40 /* 13 */ { "6.66667e-04", "0.00067", "0.00066667", "6.66667E-04", "0.00066667" }, 41 /* 14 */ { "6.66667e-05", "0.00007", "6.6667e-05", "6.66667E-05", "6.6667E-05" }, 42 /* 15 */ { "6.66667e+00", "6.66667", "6.6667", "6.66667E+00", "6.6667" }, 43 /* 16 */ { "6.66667e+01", "66.66667", "66.667", "6.66667E+01", "66.667" }, 44 /* 17 */ { "6.66667e+02", "666.66667", "666.67", "6.66667E+02", "666.67" }, 45 /* 18 */ { "6.66667e+03", "6666.66667", "6666.7", "6.66667E+03", "6666.7" }, 46 /* 19 */ { "6.66667e+04", "66666.66667", "66667", "6.66667E+04", "66667" }, 47 }, 48 { 49 /* 20 */ { " 0.0000e+00", " 0.0000", " 0", " 0.0000E+00", " 0" }, 50 /* 21 */ { " 6.7000e-01", " 0.6700", " 0.67", " 6.7000E-01", " 0.67" }, 51 /* 22 */ { " 6.6667e-01", " 0.6667", " 0.6667", " 6.6667E-01", " 0.6667" }, 52 /* 23 */ { " 6.6667e-04", " 0.0007", " 0.0006667", " 6.6667E-04", " 0.0006667" }, 53 /* 24 */ { " 6.6667e-05", " 0.0001", " 6.667e-05", " 6.6667E-05", " 6.667E-05" }, 54 /* 25 */ { " 6.6667e+00", " 6.6667", " 6.667", " 6.6667E+00", " 6.667" }, 55 /* 26 */ { " 6.6667e+01", " 66.6667", " 66.67", " 6.6667E+01", " 66.67" }, 56 /* 27 */ { " 6.6667e+02", " 666.6667", " 666.7", " 6.6667E+02", " 666.7" }, 57 /* 28 */ { " 6.6667e+03", " 6666.6667", " 6667", " 6.6667E+03", " 6667" }, 58 /* 29 */ { " 6.6667e+04", " 66666.6667", " 6.667e+04", " 6.6667E+04", " 6.667E+04" }, 59 }, 60 { 61 /* 30 */ { " 0.00000e+00", " 0.00000", " 0", " 0.00000E+00", " 0" }, 62 /* 31 */ { " 6.70000e-01", " 0.67000", " 0.67", " 6.70000E-01", " 0.67" }, 63 /* 32 */ { " 6.66667e-01", " 0.66667", " 0.66667", " 6.66667E-01", " 0.66667" }, 64 /* 33 */ { " 6.66667e-04", " 0.00067", " 0.00066667", " 6.66667E-04", " 0.00066667" }, 65 /* 34 */ { " 6.66667e-05", " 0.00007", " 6.6667e-05", " 6.66667E-05", " 6.6667E-05" }, 66 /* 35 */ { " 6.66667e+00", " 6.66667", " 6.6667", " 6.66667E+00", " 6.6667" }, 67 /* 36 */ { " 6.66667e+01", " 66.66667", " 66.667", " 6.66667E+01", " 66.667" }, 68 /* 37 */ { " 6.66667e+02", " 666.66667", " 666.67", " 6.66667E+02", " 666.67" }, 69 /* 38 */ { " 6.66667e+03", " 6666.66667", " 6666.7", " 6.66667E+03", " 6666.7" }, 70 /* 39 */ { " 6.66667e+04", " 66666.66667", " 66667", " 6.66667E+04", " 66667" }, 71 }, 72 { 73 /* 40 */ { "0e+00", "0", "0", "0E+00", "0" }, 74 /* 41 */ { "7e-01", "1", "0.7", "7E-01", "0.7" }, 75 /* 42 */ { "7e-01", "1", "0.7", "7E-01", "0.7" }, 76 /* 43 */ { "7e-04", "0", "0.0007", "7E-04", "0.0007" }, 77 /* 44 */ { "7e-05", "0", "7e-05", "7E-05", "7E-05" }, 78 /* 45 */ { "7e+00", "7", "7", "7E+00", "7" }, 79 /* 46 */ { "7e+01", "67", "7e+01", "7E+01", "7E+01" }, 80 /* 47 */ { "7e+02", "667", "7e+02", "7E+02", "7E+02" }, 81 /* 48 */ { "7e+03", "6667", "7e+03", "7E+03", "7E+03" }, 82 /* 49 */ { "7e+04", "66667", "7e+04", "7E+04", "7E+04" }, 83 }, 84 { 85 /* 50 */ { "0.000000e+00", "0.000000", "0", "0.000000E+00", "0" }, 86 /* 51 */ { "6.700000e-01", "0.670000", "0.67", "6.700000E-01", "0.67" }, 87 /* 52 */ { "6.666667e-01", "0.666667", "0.666667", "6.666667E-01", "0.666667" }, 88 /* 53 */ { "6.666667e-04", "0.000667", "0.000666667", "6.666667E-04", "0.000666667" }, 89 /* 54 */ { "6.666667e-05", "0.000067", "6.66667e-05", "6.666667E-05", "6.66667E-05" }, 90 /* 55 */ { "6.666667e+00", "6.666667", "6.66667", "6.666667E+00", "6.66667" }, 91 /* 56 */ { "6.666667e+01", "66.666667", "66.6667", "6.666667E+01", "66.6667" }, 92 /* 57 */ { "6.666667e+02", "666.666667", "666.667", "6.666667E+02", "666.667" }, 93 /* 58 */ { "6.666667e+03", "6666.666667", "6666.67", "6.666667E+03", "6666.67" }, 94 /* 59 */ { "6.666667e+04", "66666.666667", "66666.7", "6.666667E+04", "66666.7" }, 95 }, 96 { 97 /* 60 */ { "0.0000e+00", "000.0000", "00000000", "0.0000E+00", "00000000" }, 98 /* 61 */ { "6.7000e-01", "000.6700", "00000.67", "6.7000E-01", "00000.67" }, 99 /* 62 */ { "6.6667e-01", "000.6667", "000.6667", "6.6667E-01", "000.6667" }, 100 /* 63 */ { "6.6667e-04", "000.0007", "0.0006667", "6.6667E-04", "0.0006667" }, 101 /* 64 */ { "6.6667e-05", "000.0001", "6.667e-05", "6.6667E-05", "6.667E-05" }, 102 /* 65 */ { "6.6667e+00", "006.6667", "0006.667", "6.6667E+00", "0006.667" }, 103 /* 66 */ { "6.6667e+01", "066.6667", "00066.67", "6.6667E+01", "00066.67" }, 104 /* 67 */ { "6.6667e+02", "666.6667", "000666.7", "6.6667E+02", "000666.7" }, 105 /* 68 */ { "6.6667e+03", "6666.6667", "00006667", "6.6667E+03", "00006667" }, 106 /* 69 */ { "6.6667e+04", "66666.6667", "6.667e+04", "6.6667E+04", "6.667E+04" }, 107 }, 108 }; 109 110 typedef struct z_data_st { 111 size_t value; 112 const char *format; 113 const char *expected; 114 } z_data; 115 116 static z_data zu_data[] = { 117 { SIZE_MAX, "%zu", (sizeof(size_t) == 4 ? "4294967295" 118 : sizeof(size_t) == 8 ? "18446744073709551615" 119 : "") }, 120 /* 121 * in 2-complement, the unsigned number divided by two plus one becomes the 122 * smallest possible negative signed number of the corresponding type 123 */ 124 { SIZE_MAX / 2 + 1, "%zi", (sizeof(size_t) == 4 ? "-2147483648" 125 : sizeof(size_t) == 8 ? "-9223372036854775808" 126 : "") }, 127 { 0, "%zu", "0" }, 128 { 0, "%zi", "0" }, 129 }; 130 131 static int test_zu(int i) 132 { 133 char bio_buf[80]; 134 const z_data *data = &zu_data[i]; 135 136 BIO_snprintf(bio_buf, sizeof(bio_buf) - 1, data->format, data->value); 137 if (!TEST_str_eq(bio_buf, data->expected)) 138 return 0; 139 return 1; 140 } 141 142 typedef struct j_data_st { 143 uint64_t value; 144 const char *format; 145 const char *expected; 146 } j_data; 147 148 static j_data jf_data[] = { 149 { 0xffffffffffffffffULL, "%ju", "18446744073709551615" }, 150 { 0xffffffffffffffffULL, "%jx", "ffffffffffffffff" }, 151 { 0x8000000000000000ULL, "%ju", "9223372036854775808" }, 152 /* 153 * These tests imply two's-complement, but it's the only binary 154 * representation we support, see test/sanitytest.c... 155 */ 156 { 0x8000000000000000ULL, "%ji", "-9223372036854775808" }, 157 }; 158 159 static int test_j(int i) 160 { 161 const j_data *data = &jf_data[i]; 162 char bio_buf[80]; 163 164 BIO_snprintf(bio_buf, sizeof(bio_buf) - 1, data->format, data->value); 165 if (!TEST_str_eq(bio_buf, data->expected)) 166 return 0; 167 return 1; 168 } 169 170 171 /* Precision and width. */ 172 typedef struct pw_st { 173 int p; 174 const char *w; 175 } pw; 176 177 static pw pw_params[] = { 178 { 4, "" }, 179 { 5, "" }, 180 { 4, "12" }, 181 { 5, "12" }, 182 { 0, "" }, 183 { -1, "" }, 184 { 4, "08" } 185 }; 186 187 static int dofptest(int test, int sub, double val, const char *width, int prec) 188 { 189 static const char *fspecs[] = { 190 "e", "f", "g", "E", "G" 191 }; 192 char format[80], result[80]; 193 int ret = 1, i; 194 195 for (i = 0; i < nelem(fspecs); i++) { 196 const char *fspec = fspecs[i]; 197 198 if (prec >= 0) 199 BIO_snprintf(format, sizeof(format), "%%%s.%d%s", width, prec, 200 fspec); 201 else 202 BIO_snprintf(format, sizeof(format), "%%%s%s", width, fspec); 203 BIO_snprintf(result, sizeof(result), format, val); 204 205 if (justprint) { 206 if (i == 0) 207 printf(" /* %d%d */ { \"%s\"", test, sub, result); 208 else 209 printf(", \"%s\"", result); 210 } else if (!TEST_str_eq(fpexpected[test][sub][i], result)) { 211 TEST_info("test %d format=|%s| exp=|%s|, ret=|%s|", 212 test, format, fpexpected[test][sub][i], result); 213 ret = 0; 214 } 215 } 216 if (justprint) 217 printf(" },\n"); 218 return ret; 219 } 220 221 static int test_fp(int i) 222 { 223 int t = 0, r; 224 const double frac = 2.0 / 3.0; 225 const pw *pwp = &pw_params[i]; 226 227 if (justprint) 228 printf(" {\n"); 229 r = TEST_true(dofptest(i, t++, 0.0, pwp->w, pwp->p)) 230 && TEST_true(dofptest(i, t++, 0.67, pwp->w, pwp->p)) 231 && TEST_true(dofptest(i, t++, frac, pwp->w, pwp->p)) 232 && TEST_true(dofptest(i, t++, frac / 1000, pwp->w, pwp->p)) 233 && TEST_true(dofptest(i, t++, frac / 10000, pwp->w, pwp->p)) 234 && TEST_true(dofptest(i, t++, 6.0 + frac, pwp->w, pwp->p)) 235 && TEST_true(dofptest(i, t++, 66.0 + frac, pwp->w, pwp->p)) 236 && TEST_true(dofptest(i, t++, 666.0 + frac, pwp->w, pwp->p)) 237 && TEST_true(dofptest(i, t++, 6666.0 + frac, pwp->w, pwp->p)) 238 && TEST_true(dofptest(i, t++, 66666.0 + frac, pwp->w, pwp->p)); 239 if (justprint) 240 printf(" },\n"); 241 return r; 242 } 243 244 static int test_big(void) 245 { 246 char buf[80]; 247 248 /* Test excessively big number. Should fail */ 249 if (!TEST_int_eq(BIO_snprintf(buf, sizeof(buf), 250 "%f\n", 2 * (double)ULONG_MAX), -1)) 251 return 0; 252 253 return 1; 254 } 255 256 typedef enum OPTION_choice { 257 OPT_ERR = -1, 258 OPT_EOF = 0, 259 OPT_PRINT, 260 OPT_TEST_ENUM 261 } OPTION_CHOICE; 262 263 const OPTIONS *test_get_options(void) 264 { 265 static const OPTIONS options[] = { 266 OPT_TEST_OPTIONS_DEFAULT_USAGE, 267 { "expected", OPT_PRINT, '-', "Output values" }, 268 { NULL } 269 }; 270 return options; 271 } 272 273 int setup_tests(void) 274 { 275 OPTION_CHOICE o; 276 277 while ((o = opt_next()) != OPT_EOF) { 278 switch (o) { 279 case OPT_PRINT: 280 justprint = 1; 281 break; 282 case OPT_TEST_CASES: 283 break; 284 default: 285 return 0; 286 } 287 } 288 289 ADD_TEST(test_big); 290 ADD_ALL_TESTS(test_fp, nelem(pw_params)); 291 ADD_ALL_TESTS(test_zu, nelem(zu_data)); 292 ADD_ALL_TESTS(test_j, nelem(jf_data)); 293 return 1; 294 } 295 296 /* 297 * Replace testutil output routines. We do this to eliminate possible sources 298 * of BIO error 299 */ 300 BIO *bio_out = NULL; 301 BIO *bio_err = NULL; 302 303 static int tap_level = 0; 304 305 void test_open_streams(void) 306 { 307 } 308 309 void test_adjust_streams_tap_level(int level) 310 { 311 tap_level = level; 312 } 313 314 void test_close_streams(void) 315 { 316 } 317 318 /* 319 * This works out as long as caller doesn't use any "fancy" formats. 320 * But we are caller's caller, and test_str_eq is the only one called, 321 * and it uses only "%s", which is not "fancy"... 322 */ 323 int test_vprintf_stdout(const char *fmt, va_list ap) 324 { 325 return fprintf(stdout, "%*s# ", tap_level, "") + vfprintf(stdout, fmt, ap); 326 } 327 328 int test_vprintf_stderr(const char *fmt, va_list ap) 329 { 330 return fprintf(stderr, "%*s# ", tap_level, "") + vfprintf(stderr, fmt, ap); 331 } 332 333 int test_flush_stdout(void) 334 { 335 return fflush(stdout); 336 } 337 338 int test_flush_stderr(void) 339 { 340 return fflush(stderr); 341 } 342 343 int test_vprintf_tapout(const char *fmt, va_list ap) 344 { 345 return fprintf(stdout, "%*s", tap_level, "") + vfprintf(stdout, fmt, ap); 346 } 347 348 int test_vprintf_taperr(const char *fmt, va_list ap) 349 { 350 return fprintf(stderr, "%*s", tap_level, "") + vfprintf(stderr, fmt, ap); 351 } 352 353 int test_flush_tapout(void) 354 { 355 return fflush(stdout); 356 } 357 358 int test_flush_taperr(void) 359 { 360 return fflush(stderr); 361 } 362 363
Indexes created Tue Mar 03 05:31:39 UTC 2026