1 // This module does unit testing of m_libcbase. 2 3 #include <assert.h> 4 #include <stdio.h> 5 #include <stdlib.h> 6 #include <stddef.h> 7 8 #include "pub_tool_basics.h" /* UInt et al, needed for pub_tool_vki.h */ 9 #include "pub_tool_vki.h" 10 #include "m_libcbase.c" 11 12 /* On PPC, MIPS and ARM64 Linux VKI_PAGE_SIZE is a variable, not a macro. */ 13 #if defined(VGP_ppc32_linux) || defined(VGP_ppc64be_linux) \ 14 || defined(VGP_ppc64le_linux) 15 unsigned long VKI_PAGE_SIZE = 1UL << 12; 16 #elif defined(VGP_arm64_linux) 17 unsigned long VKI_PAGE_SIZE = 1UL << 16; 18 #elif defined(VGP_mips32_linux) || defined(VGP_mips64_linux) 19 #include <unistd.h> 20 unsigned long VKI_PAGE_SIZE; 21 #endif 22 23 /* Provide a stub to not have to pull in m_debuglog.c */ 24 void VG_(debugLog) ( Int level, const HChar* modulename, 25 const HChar* format, ... ) 26 { 27 va_list args; 28 va_start(args, format); 29 fprintf(stderr, "debuglog: %s: ", modulename); 30 vfprintf(stderr, format, args); 31 va_end(args); 32 } 33 34 /* Provide a stub to not have to pull in m_libcassert.c */ 35 void VG_(exit_now)( Int status ) 36 { 37 exit(status); 38 } 39 40 41 #define CHECK(x) \ 42 if (!(x)) { fprintf(stderr, "failure: %s:%d\n", __FILE__, __LINE__); } 43 44 45 void test_VG_STREQ(void) 46 { 47 CHECK( ! VG_STREQ(NULL, NULL) ); // Nb: strcmp() considers these equal 48 CHECK( ! VG_STREQ(NULL, "ab") ); // Nb: strcmp() seg faults on this 49 CHECK( ! VG_STREQ("ab", NULL) ); // Nb: strcmp() seg faults on this 50 CHECK( ! VG_STREQ("", "a") ); 51 CHECK( ! VG_STREQ("a", "") ); 52 CHECK( ! VG_STREQ("abc", "abcd")); 53 CHECK( ! VG_STREQ("abcd", "abc") ); 54 CHECK( ! VG_STREQ("Abcd", "abcd")); 55 CHECK( ! VG_STREQ("abcd", "Abcd")); 56 57 CHECK( VG_STREQ("", "") ); 58 CHECK( VG_STREQ("a", "a") ); 59 CHECK( VG_STREQ("abcd", "abcd") ); 60 } 61 62 void test_VG_STREQN(void) 63 { 64 CHECK( ! VG_STREQN(0, NULL, NULL) ); 65 CHECK( ! VG_STREQN(5, NULL, NULL) ); 66 CHECK( ! VG_STREQN(0, NULL, "ab") ); 67 CHECK( ! VG_STREQN(5, NULL, "ab") ); 68 CHECK( ! VG_STREQN(0, "ab", NULL) ); 69 CHECK( ! VG_STREQN(1, "", "a") ); 70 CHECK( ! VG_STREQN(1, "a", "") ); 71 CHECK( ! VG_STREQN(4, "abc", "abcd")); 72 CHECK( ! VG_STREQN(4, "abcd", "abc") ); 73 CHECK( ! VG_STREQN(1, "Abcd", "abcd")); 74 CHECK( ! VG_STREQN(4, "Abcd", "abcd")); 75 CHECK( ! VG_STREQN(4, "abcd", "abce")); 76 CHECK( ! VG_STREQN(9, "abcd", "abce")); 77 78 CHECK( VG_STREQN(0, "", "") ); 79 CHECK( VG_STREQN(1, "", "") ); 80 CHECK( VG_STREQN(0, "a", "a") ); 81 CHECK( VG_STREQN(1, "a", "a") ); 82 CHECK( VG_STREQN(2, "a", "a") ); 83 CHECK( VG_STREQN(9, "a", "a") ); 84 CHECK( VG_STREQN(1, "ab", "ac")); 85 CHECK( VG_STREQN(3, "abcd", "abce")); 86 } 87 88 void test_VG_IS_XYZ_ALIGNED(void) 89 { 90 CHECK( VG_IS_2_ALIGNED(0x0) ); 91 CHECK( ! VG_IS_2_ALIGNED(0x1) ); 92 CHECK( VG_IS_2_ALIGNED(0x2) ); 93 CHECK( ! VG_IS_2_ALIGNED(0x3) ); 94 CHECK( VG_IS_2_ALIGNED(0x4) ); 95 CHECK( ! VG_IS_2_ALIGNED(0x5) ); 96 CHECK( VG_IS_2_ALIGNED(0x6) ); 97 CHECK( ! VG_IS_2_ALIGNED(0x7) ); 98 CHECK( VG_IS_2_ALIGNED(0x8) ); 99 CHECK( ! VG_IS_2_ALIGNED(0x9) ); 100 CHECK( VG_IS_2_ALIGNED(0xa) ); 101 CHECK( ! VG_IS_2_ALIGNED(0xb) ); 102 CHECK( VG_IS_2_ALIGNED(0xc) ); 103 CHECK( ! VG_IS_2_ALIGNED(0xd) ); 104 CHECK( VG_IS_2_ALIGNED(0xe) ); 105 CHECK( ! VG_IS_2_ALIGNED(0xf) ); 106 107 CHECK( VG_IS_4_ALIGNED(0x0) ); 108 CHECK( ! VG_IS_4_ALIGNED(0x1) ); 109 CHECK( ! VG_IS_4_ALIGNED(0x2) ); 110 CHECK( ! VG_IS_4_ALIGNED(0x3) ); 111 CHECK( VG_IS_4_ALIGNED(0x4) ); 112 CHECK( ! VG_IS_4_ALIGNED(0x5) ); 113 CHECK( ! VG_IS_4_ALIGNED(0x6) ); 114 CHECK( ! VG_IS_4_ALIGNED(0x7) ); 115 CHECK( VG_IS_4_ALIGNED(0x8) ); 116 CHECK( ! VG_IS_4_ALIGNED(0x9) ); 117 CHECK( ! VG_IS_4_ALIGNED(0xa) ); 118 CHECK( ! VG_IS_4_ALIGNED(0xb) ); 119 CHECK( VG_IS_4_ALIGNED(0xc) ); 120 CHECK( ! VG_IS_4_ALIGNED(0xd) ); 121 CHECK( ! VG_IS_4_ALIGNED(0xe) ); 122 CHECK( ! VG_IS_4_ALIGNED(0xf) ); 123 124 CHECK( VG_IS_8_ALIGNED(0x0) ); 125 CHECK( ! VG_IS_8_ALIGNED(0x1) ); 126 CHECK( ! VG_IS_8_ALIGNED(0x2) ); 127 CHECK( ! VG_IS_8_ALIGNED(0x3) ); 128 CHECK( ! VG_IS_8_ALIGNED(0x4) ); 129 CHECK( ! VG_IS_8_ALIGNED(0x5) ); 130 CHECK( ! VG_IS_8_ALIGNED(0x6) ); 131 CHECK( ! VG_IS_8_ALIGNED(0x7) ); 132 CHECK( VG_IS_8_ALIGNED(0x8) ); 133 CHECK( ! VG_IS_8_ALIGNED(0x9) ); 134 CHECK( ! VG_IS_8_ALIGNED(0xa) ); 135 CHECK( ! VG_IS_8_ALIGNED(0xb) ); 136 CHECK( ! VG_IS_8_ALIGNED(0xc) ); 137 CHECK( ! VG_IS_8_ALIGNED(0xd) ); 138 CHECK( ! VG_IS_8_ALIGNED(0xe) ); 139 CHECK( ! VG_IS_8_ALIGNED(0xf) ); 140 141 CHECK( VG_IS_16_ALIGNED(0x0) ); 142 CHECK( ! VG_IS_16_ALIGNED(0x1) ); 143 CHECK( ! VG_IS_16_ALIGNED(0x2) ); 144 CHECK( ! VG_IS_16_ALIGNED(0x3) ); 145 CHECK( ! VG_IS_16_ALIGNED(0x4) ); 146 CHECK( ! VG_IS_16_ALIGNED(0x5) ); 147 CHECK( ! VG_IS_16_ALIGNED(0x6) ); 148 CHECK( ! VG_IS_16_ALIGNED(0x7) ); 149 CHECK( ! VG_IS_16_ALIGNED(0x8) ); 150 CHECK( ! VG_IS_16_ALIGNED(0x9) ); 151 CHECK( ! VG_IS_16_ALIGNED(0xa) ); 152 CHECK( ! VG_IS_16_ALIGNED(0xb) ); 153 CHECK( ! VG_IS_16_ALIGNED(0xc) ); 154 CHECK( ! VG_IS_16_ALIGNED(0xd) ); 155 CHECK( ! VG_IS_16_ALIGNED(0xe) ); 156 CHECK( ! VG_IS_16_ALIGNED(0xf) ); 157 158 CHECK( VG_IS_WORD_ALIGNED(0x0) ); 159 CHECK( ! VG_IS_WORD_ALIGNED(0x1) ); 160 CHECK( ! VG_IS_WORD_ALIGNED(0x2) ); 161 CHECK( ! VG_IS_WORD_ALIGNED(0x3) ); 162 // 0x4 case below 163 CHECK( ! VG_IS_WORD_ALIGNED(0x5) ); 164 CHECK( ! VG_IS_WORD_ALIGNED(0x6) ); 165 CHECK( ! VG_IS_WORD_ALIGNED(0x7) ); 166 CHECK( VG_IS_WORD_ALIGNED(0x8) ); 167 CHECK( ! VG_IS_WORD_ALIGNED(0x9) ); 168 CHECK( ! VG_IS_WORD_ALIGNED(0xa) ); 169 CHECK( ! VG_IS_WORD_ALIGNED(0xb) ); 170 // 0xc case below 171 CHECK( ! VG_IS_WORD_ALIGNED(0xd) ); 172 CHECK( ! VG_IS_WORD_ALIGNED(0xe) ); 173 CHECK( ! VG_IS_WORD_ALIGNED(0xf) ); 174 if (4 == sizeof(void*)) { 175 CHECK( VG_IS_WORD_ALIGNED(0x4) ); 176 CHECK( VG_IS_WORD_ALIGNED(0xc) ); 177 } else if (8 == sizeof(void*)) { 178 CHECK( ! VG_IS_WORD_ALIGNED(0x4) ); 179 CHECK( ! VG_IS_WORD_ALIGNED(0xc) ); 180 } else { 181 assert(0); 182 } 183 184 CHECK( VG_IS_PAGE_ALIGNED(0x0) ); 185 CHECK( ! VG_IS_PAGE_ALIGNED(0x1) ); 186 CHECK( ! VG_IS_PAGE_ALIGNED(0x2) ); 187 CHECK( ! VG_IS_PAGE_ALIGNED(0x3) ); 188 CHECK( ! VG_IS_PAGE_ALIGNED(0x4) ); 189 CHECK( ! VG_IS_PAGE_ALIGNED(VKI_PAGE_SIZE-1) ); 190 CHECK( VG_IS_PAGE_ALIGNED(VKI_PAGE_SIZE ) ); 191 CHECK( ! VG_IS_PAGE_ALIGNED(VKI_PAGE_SIZE+1) ); 192 } 193 194 void test_VG_ROUND_et_al() 195 { 196 CHECK( 0 == VG_ROUNDDN(0, 1) ); 197 CHECK( 1 == VG_ROUNDDN(1, 1) ); 198 CHECK( 2 == VG_ROUNDDN(2, 1) ); 199 CHECK( 3 == VG_ROUNDDN(3, 1) ); 200 CHECK( 4 == VG_ROUNDDN(4, 1) ); 201 CHECK( 5 == VG_ROUNDDN(5, 1) ); 202 CHECK( 6 == VG_ROUNDDN(6, 1) ); 203 CHECK( 7 == VG_ROUNDDN(7, 1) ); 204 205 CHECK( 0 == VG_ROUNDUP(0, 1) ); 206 CHECK( 1 == VG_ROUNDUP(1, 1) ); 207 CHECK( 2 == VG_ROUNDUP(2, 1) ); 208 CHECK( 3 == VG_ROUNDUP(3, 1) ); 209 CHECK( 4 == VG_ROUNDUP(4, 1) ); 210 CHECK( 5 == VG_ROUNDUP(5, 1) ); 211 CHECK( 6 == VG_ROUNDUP(6, 1) ); 212 CHECK( 7 == VG_ROUNDUP(7, 1) ); 213 214 CHECK( 0 == VG_ROUNDDN(0, 2) ); 215 CHECK( 0 == VG_ROUNDDN(1, 2) ); 216 CHECK( 2 == VG_ROUNDDN(2, 2) ); 217 CHECK( 2 == VG_ROUNDDN(3, 2) ); 218 CHECK( 4 == VG_ROUNDDN(4, 2) ); 219 CHECK( 4 == VG_ROUNDDN(5, 2) ); 220 CHECK( 6 == VG_ROUNDDN(6, 2) ); 221 CHECK( 6 == VG_ROUNDDN(7, 2) ); 222 223 CHECK( 0 == VG_ROUNDUP(0, 2) ); 224 CHECK( 2 == VG_ROUNDUP(1, 2) ); 225 CHECK( 2 == VG_ROUNDUP(2, 2) ); 226 CHECK( 4 == VG_ROUNDUP(3, 2) ); 227 CHECK( 4 == VG_ROUNDUP(4, 2) ); 228 CHECK( 6 == VG_ROUNDUP(5, 2) ); 229 CHECK( 6 == VG_ROUNDUP(6, 2) ); 230 CHECK( 8 == VG_ROUNDUP(7, 2) ); 231 232 CHECK( 0 == VG_ROUNDDN(0, 4) ); 233 CHECK( 0 == VG_ROUNDDN(1, 4) ); 234 CHECK( 0 == VG_ROUNDDN(2, 4) ); 235 CHECK( 0 == VG_ROUNDDN(3, 4) ); 236 CHECK( 4 == VG_ROUNDDN(4, 4) ); 237 CHECK( 4 == VG_ROUNDDN(5, 4) ); 238 CHECK( 4 == VG_ROUNDDN(6, 4) ); 239 CHECK( 4 == VG_ROUNDDN(7, 4) ); 240 241 CHECK( 0 == VG_ROUNDUP(0, 4) ); 242 CHECK( 4 == VG_ROUNDUP(1, 4) ); 243 CHECK( 4 == VG_ROUNDUP(2, 4) ); 244 CHECK( 4 == VG_ROUNDUP(3, 4) ); 245 CHECK( 4 == VG_ROUNDUP(4, 4) ); 246 CHECK( 8 == VG_ROUNDUP(5, 4) ); 247 CHECK( 8 == VG_ROUNDUP(6, 4) ); 248 CHECK( 8 == VG_ROUNDUP(7, 4) ); 249 250 CHECK( 0 == VG_ROUNDDN(0, 8) ); 251 CHECK( 0 == VG_ROUNDDN(1, 8) ); 252 CHECK( 0 == VG_ROUNDDN(2, 8) ); 253 CHECK( 0 == VG_ROUNDDN(3, 8) ); 254 CHECK( 0 == VG_ROUNDDN(4, 8) ); 255 CHECK( 0 == VG_ROUNDDN(5, 8) ); 256 CHECK( 0 == VG_ROUNDDN(6, 8) ); 257 CHECK( 0 == VG_ROUNDDN(7, 8) ); 258 259 CHECK( 0 == VG_ROUNDUP(0, 8) ); 260 CHECK( 8 == VG_ROUNDUP(1, 8) ); 261 CHECK( 8 == VG_ROUNDUP(2, 8) ); 262 CHECK( 8 == VG_ROUNDUP(3, 8) ); 263 CHECK( 8 == VG_ROUNDUP(4, 8) ); 264 CHECK( 8 == VG_ROUNDUP(5, 8) ); 265 CHECK( 8 == VG_ROUNDUP(6, 8) ); 266 CHECK( 8 == VG_ROUNDUP(7, 8) ); 267 268 CHECK( 0 == VG_PGROUNDDN(0) ); 269 CHECK( 0 == VG_PGROUNDDN(1) ); 270 CHECK( 0 == VG_PGROUNDDN(2) ); 271 CHECK( 0 == VG_PGROUNDDN(3) ); 272 CHECK( 0 == VG_PGROUNDDN(4) ); 273 CHECK( 0 == VG_PGROUNDDN(VKI_PAGE_SIZE-1) ); 274 CHECK( VKI_PAGE_SIZE == VG_PGROUNDDN(VKI_PAGE_SIZE ) ); 275 CHECK( VKI_PAGE_SIZE == VG_PGROUNDDN(VKI_PAGE_SIZE+1) ); 276 277 CHECK( 0 == VG_PGROUNDUP(0) ); 278 CHECK( VKI_PAGE_SIZE == VG_PGROUNDUP(1) ); 279 CHECK( VKI_PAGE_SIZE == VG_PGROUNDUP(2) ); 280 CHECK( VKI_PAGE_SIZE == VG_PGROUNDUP(3) ); 281 CHECK( VKI_PAGE_SIZE == VG_PGROUNDUP(4) ); 282 CHECK( VKI_PAGE_SIZE == VG_PGROUNDUP(VKI_PAGE_SIZE-1) ); 283 CHECK( VKI_PAGE_SIZE == VG_PGROUNDUP(VKI_PAGE_SIZE ) ); 284 CHECK( VKI_PAGE_SIZE*2 == VG_PGROUNDUP(VKI_PAGE_SIZE+1) ); 285 } 286 287 void test_isspace(void) 288 { 289 CHECK( VG_(isspace)(' ') ); 290 CHECK( VG_(isspace)('\n') ); 291 CHECK( VG_(isspace)('\t') ); 292 CHECK( ! VG_(isspace)('3') ); 293 CHECK( ! VG_(isspace)('x') ); 294 } 295 296 void test_isdigit(void) 297 { 298 CHECK( VG_(isdigit)('0') ); 299 CHECK( VG_(isdigit)('1') ); 300 CHECK( VG_(isdigit)('5') ); 301 CHECK( VG_(isdigit)('9') ); 302 CHECK( ! VG_(isdigit)('a') ); 303 CHECK( ! VG_(isdigit)('!') ); 304 } 305 306 void test_is_dec_digit() 307 { 308 Long x; 309 CHECK( is_dec_digit('0', &x) && 0 == x ); 310 CHECK( is_dec_digit('1', &x) && 1 == x ); 311 CHECK( is_dec_digit('9', &x) && 9 == x ); 312 } 313 314 void test_is_hex_digit() 315 { 316 Long x; 317 CHECK( is_hex_digit('0', &x) && 0 == x ); 318 CHECK( is_hex_digit('1', &x) && 1 == x ); 319 CHECK( is_hex_digit('9', &x) && 9 == x ); 320 CHECK( is_hex_digit('a', &x) && 10 == x ); 321 CHECK( is_hex_digit('f', &x) && 15 == x ); 322 CHECK( is_hex_digit('A', &x) && 10 == x ); 323 CHECK( is_hex_digit('F', &x) && 15 == x ); 324 } 325 326 void test_strtoll_and_strtod(void) 327 { 328 // For VG_(strtoll*)() 329 typedef struct { 330 HChar* str; // The string to convert. 331 Long res; // The result. 332 HChar endptr_val; // The char one past the end of the converted text. 333 } StrtollInputs; 334 335 // VG_(strtoll10)() 336 { 337 StrtollInputs a[] = { 338 // If there's no number at the head of the string, return 0, and 339 // make 'endptr' point to the start of the string. 340 { .str = "", .res = 0, .endptr_val = '\0' }, 341 { .str = " \n\t", .res = 0, .endptr_val = ' ' }, 342 { .str = "one", .res = 0, .endptr_val = 'o' }, 343 { .str = "\ntwo", .res = 0, .endptr_val = '\n' }, 344 345 // Successful conversion. Leading whitespace is ignored. A single 346 // '-' or '+' is accepted. 347 { .str = "0", .res = 0, .endptr_val = '\0' }, 348 { .str = "+0", .res = 0, .endptr_val = '\0' }, 349 { .str = "-0", .res = 0, .endptr_val = '\0' }, 350 { .str = "1", .res = 1, .endptr_val = '\0' }, 351 { .str = "+1", .res = 1, .endptr_val = '\0' }, 352 { .str = "-1", .res = -1, .endptr_val = '\0' }, 353 { .str = "12", .res = 12, .endptr_val = '\0' }, 354 { .str = "-567", .res = -567, .endptr_val = '\0' }, 355 { .str = "1234567", .res = 1234567, .endptr_val = '\0' }, 356 { .str = "007", .res = 7, .endptr_val = '\0' }, 357 { .str = " +42", .res = 42, .endptr_val = '\0' }, 358 { .str = "\n\t\r\v -56", .res = -56, .endptr_val = '\0' }, 359 { .str = "123xyz", .res = 123, .endptr_val = 'x' }, 360 { .str = " -123abc", .res = -123, .endptr_val = 'a' }, 361 362 // Whitespace after the +/- is not allowed; conversion fails. 363 { .str = "+ 1", .res = 0, .endptr_val = '+' }, 364 { .str = "-\n1", .res = 0, .endptr_val = '-' }, 365 }; 366 367 // Nb: We test the results against strtoll() as well. 368 int i; 369 for (i = 0; i < (sizeof(a) / sizeof(StrtollInputs)); i++) { 370 HChar* endptr1; 371 HChar* endptr2; 372 Long res1 = VG_(strtoll10)(a[i].str, &endptr1); 373 long long res2 = strtoll (a[i].str, &endptr2, 10); 374 //printf("res1 = %lld, *endptr1 = '%c'\n", res1, *endptr1); 375 //printf("res2 = %lld, *endptr2 = '%c'\n", res2, *endptr2); 376 CHECK(a[i].res == res1 && a[i].endptr_val == *endptr1); 377 CHECK(res2 == res1 && *endptr2 == *endptr1); 378 } 379 } 380 381 // VG_(strtoll16)() 382 { 383 StrtollInputs a[] = { 384 // If there's no number at the head of the string, return 0, and 385 // make 'endptr' point to the start of the string. 386 { .str = "", .res = 0, .endptr_val = '\0' }, 387 { .str = " \n\t", .res = 0, .endptr_val = ' ' }, 388 { .str = "one", .res = 0, .endptr_val = 'o' }, 389 { .str = "\ntwo", .res = 0, .endptr_val = '\n' }, 390 391 // Successful conversion. Leading whitespace is ignored. A single 392 // '-' or '+' is accepted. "0X" and "0x" are also allowed at the 393 // front, but if no digits follow, just the "0" is converted. 394 { .str = "0", .res = 0, .endptr_val = '\0' }, 395 { .str = "0x0", .res = 0, .endptr_val = '\0' }, 396 { .str = "0X0", .res = 0, .endptr_val = '\0' }, 397 { .str = "0x", .res = 0, .endptr_val = 'x' }, 398 { .str = "0Xg", .res = 0, .endptr_val = 'X' }, 399 { .str = "0", .res = 0, .endptr_val = '\0' }, 400 { .str = "+0", .res = 0, .endptr_val = '\0' }, 401 { .str = "-0", .res = 0, .endptr_val = '\0' }, 402 { .str = "1", .res = 1, .endptr_val = '\0' }, 403 { .str = "+1", .res = 1, .endptr_val = '\0' }, 404 { .str = "-1", .res = -1, .endptr_val = '\0' }, 405 { .str = "1a", .res = 26, .endptr_val = '\0' }, 406 { .str = "-5F7", .res = -1527, .endptr_val = '\0' }, 407 { .str = "0x1234567", .res = 19088743, .endptr_val = '\0' }, 408 { .str = "007", .res = 7, .endptr_val = '\0' }, 409 { .str = "0X00ABCD", .res = 43981, .endptr_val = '\0' }, 410 { .str = " +AbC", .res = 2748, .endptr_val = '\0' }, 411 { .str = " -0xAbC", .res = -2748, .endptr_val = '\0' }, 412 { .str = " -0xxx", .res = 0, .endptr_val = 'x' }, 413 { .str = "\n\t\r\v -56", .res = -86, .endptr_val = '\0' }, 414 { .str = "123xyz", .res = 291, .endptr_val = 'x' }, 415 { .str = " -123defghi", .res = -1195503, .endptr_val = 'g' }, 416 417 // Whitespace after the +/- is not allowed; conversion fails. 418 { .str = "+ 1", .res = 0, .endptr_val = '+' }, 419 { .str = "-\n0x1", .res = 0, .endptr_val = '-' }, 420 }; 421 422 // Nb: We test the results against strtoll() as well. 423 int i; 424 for (i = 0; i < (sizeof(a) / sizeof(StrtollInputs)); i++) { 425 HChar* endptr1; 426 HChar* endptr2; 427 Long res1 = VG_(strtoll16)(a[i].str, &endptr1); 428 long long res2 = strtoll (a[i].str, &endptr2, 16); 429 //printf(" res1 = %lld, *endptr1 = '%c'\n", res1, *endptr1); 430 //printf(" res2 = %lld, *endptr2 = '%c'\n", res2, *endptr2); 431 CHECK(a[i].res == res1 && a[i].endptr_val == *endptr1); 432 CHECK(res2 == res1 && *endptr2 == *endptr1); 433 } 434 } 435 436 // VG_(strtod)() 437 // XXX: todo 438 } 439 440 void test_log2(void) 441 { 442 CHECK( -1 == VG_(log2)(0) ); 443 CHECK( 0 == VG_(log2)(1) ); 444 CHECK( 1 == VG_(log2)(2) ); 445 CHECK( -1 == VG_(log2)(3) ); 446 CHECK( 2 == VG_(log2)(4) ); 447 CHECK( -1 == VG_(log2)(5) ); 448 CHECK( -1 == VG_(log2)(6) ); 449 CHECK( -1 == VG_(log2)(7) ); 450 CHECK( 3 == VG_(log2)(8) ); 451 452 CHECK( -1 == VG_(log2)( 15) ); 453 CHECK( 4 == VG_(log2)( 16) ); 454 CHECK( -1 == VG_(log2)( 17) ); 455 456 CHECK( -1 == VG_(log2)( 63) ); 457 CHECK( 6 == VG_(log2)( 64) ); 458 CHECK( -1 == VG_(log2)( 65) ); 459 460 CHECK( -1 == VG_(log2)(255) ); 461 CHECK( 8 == VG_(log2)(256) ); 462 CHECK( -1 == VG_(log2)(257) ); 463 464 CHECK( -1 == VG_(log2)(65535) ); 465 CHECK( 16 == VG_(log2)(65536) ); 466 CHECK( -1 == VG_(log2)(65537) ); 467 468 CHECK( -1 == VG_(log2)(16777215) ); 469 CHECK( 24 == VG_(log2)(16777216) ); 470 CHECK( -1 == VG_(log2)(16777217) ); 471 472 CHECK( -1 == VG_(log2)(2147483647U) ); 473 CHECK( 31 == VG_(log2)(2147483648U) ); 474 CHECK( -1 == VG_(log2)(2147483649U) ); 475 476 CHECK( -1 == VG_(log2)(4294967295U) ); // Max UInt 477 } 478 479 void test_random(void) 480 { 481 // Hmm, it's really hard to unit test a pseudo-random number generator. 482 // So no testing here, sorry. 483 } 484 485 //----------------------------------------------------------------------- 486 // main 487 //----------------------------------------------------------------------- 488 489 int main(void) 490 { 491 #if defined(VGP_mips32_linux) || defined(VGP_mips64_linux) 492 VKI_PAGE_SIZE = sysconf(_SC_PAGESIZE); 493 #endif 494 // Nb: the order of the tests is based on the order of the code in 495 // m_libcbase.c, except that macros defined in pub_tool_libcbase.h are 496 // tested first. 497 498 //-------------------------------------------------------------------- 499 // pub_tool_libcbase.h macros 500 //-------------------------------------------------------------------- 501 test_VG_STREQ(); 502 test_VG_STREQN(); 503 test_VG_IS_XYZ_ALIGNED(); 504 test_VG_ROUND_et_al(); 505 506 //-------------------------------------------------------------------- 507 // Char functions 508 //-------------------------------------------------------------------- 509 test_isspace(); 510 test_isdigit(); 511 512 //-------------------------------------------------------------------- 513 // String-to-number functions 514 //-------------------------------------------------------------------- 515 test_is_dec_digit(); 516 test_is_hex_digit(); 517 test_strtoll_and_strtod(); 518 519 //-------------------------------------------------------------------- 520 // String functions 521 //-------------------------------------------------------------------- 522 // XXX: more todo: VG_(str_*) 523 524 //-------------------------------------------------------------------- 525 // Mem functions 526 //-------------------------------------------------------------------- 527 // XXX: todo: VG_(mem*) 528 529 //-------------------------------------------------------------------- 530 // Miscellaneous functions 531 //-------------------------------------------------------------------- 532 // XXX: todo: VG_(ssort) 533 test_log2(); 534 test_random(); 535 536 return 0; 537 } 538 539
