1 //===- llvm/unittest/ADT/StringRefTest.cpp - StringRef unit tests ---------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/ADT/StringRef.h" 11 #include "llvm/ADT/Hashing.h" 12 #include "llvm/ADT/STLExtras.h" 13 #include "llvm/ADT/SmallVector.h" 14 #include "llvm/ADT/StringExtras.h" 15 #include "llvm/Support/Allocator.h" 16 #include "llvm/Support/raw_ostream.h" 17 #include "gtest/gtest.h" 18 using namespace llvm; 19 20 namespace llvm { 21 22 std::ostream &operator<<(std::ostream &OS, const StringRef &S) { 23 OS << S.str(); 24 return OS; 25 } 26 27 std::ostream &operator<<(std::ostream &OS, 28 const std::pair<StringRef, StringRef> &P) { 29 OS << "(" << P.first << ", " << P.second << ")"; 30 return OS; 31 } 32 33 } 34 35 namespace { 36 TEST(StringRefTest, Construction) { 37 EXPECT_EQ("", StringRef()); 38 EXPECT_EQ("hello", StringRef("hello")); 39 EXPECT_EQ("hello", StringRef("hello world", 5)); 40 EXPECT_EQ("hello", StringRef(std::string("hello"))); 41 } 42 43 TEST(StringRefTest, Iteration) { 44 StringRef S("hello"); 45 const char *p = "hello"; 46 for (const char *it = S.begin(), *ie = S.end(); it != ie; ++it, ++p) 47 EXPECT_EQ(*it, *p); 48 } 49 50 TEST(StringRefTest, StringOps) { 51 const char *p = "hello"; 52 EXPECT_EQ(p, StringRef(p, 0).data()); 53 EXPECT_TRUE(StringRef().empty()); 54 EXPECT_EQ((size_t) 5, StringRef("hello").size()); 55 EXPECT_EQ(-1, StringRef("aab").compare("aad")); 56 EXPECT_EQ( 0, StringRef("aab").compare("aab")); 57 EXPECT_EQ( 1, StringRef("aab").compare("aaa")); 58 EXPECT_EQ(-1, StringRef("aab").compare("aabb")); 59 EXPECT_EQ( 1, StringRef("aab").compare("aa")); 60 EXPECT_EQ( 1, StringRef("\xFF").compare("\1")); 61 62 EXPECT_EQ(-1, StringRef("AaB").compare_lower("aAd")); 63 EXPECT_EQ( 0, StringRef("AaB").compare_lower("aab")); 64 EXPECT_EQ( 1, StringRef("AaB").compare_lower("AAA")); 65 EXPECT_EQ(-1, StringRef("AaB").compare_lower("aaBb")); 66 EXPECT_EQ(-1, StringRef("AaB").compare_lower("bb")); 67 EXPECT_EQ( 1, StringRef("aaBb").compare_lower("AaB")); 68 EXPECT_EQ( 1, StringRef("bb").compare_lower("AaB")); 69 EXPECT_EQ( 1, StringRef("AaB").compare_lower("aA")); 70 EXPECT_EQ( 1, StringRef("\xFF").compare_lower("\1")); 71 72 EXPECT_EQ(-1, StringRef("aab").compare_numeric("aad")); 73 EXPECT_EQ( 0, StringRef("aab").compare_numeric("aab")); 74 EXPECT_EQ( 1, StringRef("aab").compare_numeric("aaa")); 75 EXPECT_EQ(-1, StringRef("aab").compare_numeric("aabb")); 76 EXPECT_EQ( 1, StringRef("aab").compare_numeric("aa")); 77 EXPECT_EQ(-1, StringRef("1").compare_numeric("10")); 78 EXPECT_EQ( 0, StringRef("10").compare_numeric("10")); 79 EXPECT_EQ( 0, StringRef("10a").compare_numeric("10a")); 80 EXPECT_EQ( 1, StringRef("2").compare_numeric("1")); 81 EXPECT_EQ( 0, StringRef("llvm_v1i64_ty").compare_numeric("llvm_v1i64_ty")); 82 EXPECT_EQ( 1, StringRef("\xFF").compare_numeric("\1")); 83 EXPECT_EQ( 1, StringRef("V16").compare_numeric("V1_q0")); 84 EXPECT_EQ(-1, StringRef("V1_q0").compare_numeric("V16")); 85 EXPECT_EQ(-1, StringRef("V8_q0").compare_numeric("V16")); 86 EXPECT_EQ( 1, StringRef("V16").compare_numeric("V8_q0")); 87 EXPECT_EQ(-1, StringRef("V1_q0").compare_numeric("V8_q0")); 88 EXPECT_EQ( 1, StringRef("V8_q0").compare_numeric("V1_q0")); 89 } 90 91 TEST(StringRefTest, Operators) { 92 EXPECT_EQ("", StringRef()); 93 EXPECT_TRUE(StringRef("aab") < StringRef("aad")); 94 EXPECT_FALSE(StringRef("aab") < StringRef("aab")); 95 EXPECT_TRUE(StringRef("aab") <= StringRef("aab")); 96 EXPECT_FALSE(StringRef("aab") <= StringRef("aaa")); 97 EXPECT_TRUE(StringRef("aad") > StringRef("aab")); 98 EXPECT_FALSE(StringRef("aab") > StringRef("aab")); 99 EXPECT_TRUE(StringRef("aab") >= StringRef("aab")); 100 EXPECT_FALSE(StringRef("aaa") >= StringRef("aab")); 101 EXPECT_EQ(StringRef("aab"), StringRef("aab")); 102 EXPECT_FALSE(StringRef("aab") == StringRef("aac")); 103 EXPECT_FALSE(StringRef("aab") != StringRef("aab")); 104 EXPECT_TRUE(StringRef("aab") != StringRef("aac")); 105 EXPECT_EQ('a', StringRef("aab")[1]); 106 } 107 108 TEST(StringRefTest, Substr) { 109 StringRef Str("hello"); 110 EXPECT_EQ("lo", Str.substr(3)); 111 EXPECT_EQ("", Str.substr(100)); 112 EXPECT_EQ("hello", Str.substr(0, 100)); 113 EXPECT_EQ("o", Str.substr(4, 10)); 114 } 115 116 TEST(StringRefTest, Slice) { 117 StringRef Str("hello"); 118 EXPECT_EQ("l", Str.slice(2, 3)); 119 EXPECT_EQ("ell", Str.slice(1, 4)); 120 EXPECT_EQ("llo", Str.slice(2, 100)); 121 EXPECT_EQ("", Str.slice(2, 1)); 122 EXPECT_EQ("", Str.slice(10, 20)); 123 } 124 125 TEST(StringRefTest, Split) { 126 StringRef Str("hello"); 127 EXPECT_EQ(std::make_pair(StringRef("hello"), StringRef("")), 128 Str.split('X')); 129 EXPECT_EQ(std::make_pair(StringRef("h"), StringRef("llo")), 130 Str.split('e')); 131 EXPECT_EQ(std::make_pair(StringRef(""), StringRef("ello")), 132 Str.split('h')); 133 EXPECT_EQ(std::make_pair(StringRef("he"), StringRef("lo")), 134 Str.split('l')); 135 EXPECT_EQ(std::make_pair(StringRef("hell"), StringRef("")), 136 Str.split('o')); 137 138 EXPECT_EQ(std::make_pair(StringRef("hello"), StringRef("")), 139 Str.rsplit('X')); 140 EXPECT_EQ(std::make_pair(StringRef("h"), StringRef("llo")), 141 Str.rsplit('e')); 142 EXPECT_EQ(std::make_pair(StringRef(""), StringRef("ello")), 143 Str.rsplit('h')); 144 EXPECT_EQ(std::make_pair(StringRef("hel"), StringRef("o")), 145 Str.rsplit('l')); 146 EXPECT_EQ(std::make_pair(StringRef("hell"), StringRef("")), 147 Str.rsplit('o')); 148 } 149 150 TEST(StringRefTest, Split2) { 151 SmallVector<StringRef, 5> parts; 152 SmallVector<StringRef, 5> expected; 153 154 expected.push_back("ab"); expected.push_back("c"); 155 StringRef(",ab,,c,").split(parts, ",", -1, false); 156 EXPECT_TRUE(parts == expected); 157 158 expected.clear(); parts.clear(); 159 expected.push_back(""); expected.push_back("ab"); expected.push_back(""); 160 expected.push_back("c"); expected.push_back(""); 161 StringRef(",ab,,c,").split(parts, ",", -1, true); 162 EXPECT_TRUE(parts == expected); 163 164 expected.clear(); parts.clear(); 165 expected.push_back(""); 166 StringRef("").split(parts, ",", -1, true); 167 EXPECT_TRUE(parts == expected); 168 169 expected.clear(); parts.clear(); 170 StringRef("").split(parts, ",", -1, false); 171 EXPECT_TRUE(parts == expected); 172 173 expected.clear(); parts.clear(); 174 StringRef(",").split(parts, ",", -1, false); 175 EXPECT_TRUE(parts == expected); 176 177 expected.clear(); parts.clear(); 178 expected.push_back(""); expected.push_back(""); 179 StringRef(",").split(parts, ",", -1, true); 180 EXPECT_TRUE(parts == expected); 181 182 expected.clear(); parts.clear(); 183 expected.push_back("a"); expected.push_back("b"); 184 StringRef("a,b").split(parts, ",", -1, true); 185 EXPECT_TRUE(parts == expected); 186 187 // Test MaxSplit 188 expected.clear(); parts.clear(); 189 expected.push_back("a,,b,c"); 190 StringRef("a,,b,c").split(parts, ",", 0, true); 191 EXPECT_TRUE(parts == expected); 192 193 expected.clear(); parts.clear(); 194 expected.push_back("a,,b,c"); 195 StringRef("a,,b,c").split(parts, ",", 0, false); 196 EXPECT_TRUE(parts == expected); 197 198 expected.clear(); parts.clear(); 199 expected.push_back("a"); expected.push_back(",b,c"); 200 StringRef("a,,b,c").split(parts, ",", 1, true); 201 EXPECT_TRUE(parts == expected); 202 203 expected.clear(); parts.clear(); 204 expected.push_back("a"); expected.push_back(",b,c"); 205 StringRef("a,,b,c").split(parts, ",", 1, false); 206 EXPECT_TRUE(parts == expected); 207 208 expected.clear(); parts.clear(); 209 expected.push_back("a"); expected.push_back(""); expected.push_back("b,c"); 210 StringRef("a,,b,c").split(parts, ",", 2, true); 211 EXPECT_TRUE(parts == expected); 212 213 expected.clear(); parts.clear(); 214 expected.push_back("a"); expected.push_back("b,c"); 215 StringRef("a,,b,c").split(parts, ",", 2, false); 216 EXPECT_TRUE(parts == expected); 217 218 expected.clear(); parts.clear(); 219 expected.push_back("a"); expected.push_back(""); expected.push_back("b"); 220 expected.push_back("c"); 221 StringRef("a,,b,c").split(parts, ",", 3, true); 222 EXPECT_TRUE(parts == expected); 223 224 expected.clear(); parts.clear(); 225 expected.push_back("a"); expected.push_back("b"); expected.push_back("c"); 226 StringRef("a,,b,c").split(parts, ",", 3, false); 227 EXPECT_TRUE(parts == expected); 228 } 229 230 TEST(StringRefTest, Trim) { 231 StringRef Str0("hello"); 232 StringRef Str1(" hello "); 233 StringRef Str2(" hello "); 234 235 EXPECT_EQ(StringRef("hello"), Str0.rtrim()); 236 EXPECT_EQ(StringRef(" hello"), Str1.rtrim()); 237 EXPECT_EQ(StringRef(" hello"), Str2.rtrim()); 238 EXPECT_EQ(StringRef("hello"), Str0.ltrim()); 239 EXPECT_EQ(StringRef("hello "), Str1.ltrim()); 240 EXPECT_EQ(StringRef("hello "), Str2.ltrim()); 241 EXPECT_EQ(StringRef("hello"), Str0.trim()); 242 EXPECT_EQ(StringRef("hello"), Str1.trim()); 243 EXPECT_EQ(StringRef("hello"), Str2.trim()); 244 245 EXPECT_EQ(StringRef("ello"), Str0.trim("hhhhhhhhhhh")); 246 247 EXPECT_EQ(StringRef(""), StringRef("").trim()); 248 EXPECT_EQ(StringRef(""), StringRef(" ").trim()); 249 EXPECT_EQ(StringRef("\0", 1), StringRef(" \0 ", 3).trim()); 250 EXPECT_EQ(StringRef("\0\0", 2), StringRef("\0\0", 2).trim()); 251 EXPECT_EQ(StringRef("x"), StringRef("\0\0x\0\0", 5).trim(StringRef("\0", 1))); 252 } 253 254 TEST(StringRefTest, StartsWith) { 255 StringRef Str("hello"); 256 EXPECT_TRUE(Str.startswith("")); 257 EXPECT_TRUE(Str.startswith("he")); 258 EXPECT_FALSE(Str.startswith("helloworld")); 259 EXPECT_FALSE(Str.startswith("hi")); 260 } 261 262 TEST(StringRefTest, StartsWithLower) { 263 StringRef Str("heLLo"); 264 EXPECT_TRUE(Str.startswith_lower("")); 265 EXPECT_TRUE(Str.startswith_lower("he")); 266 EXPECT_TRUE(Str.startswith_lower("hell")); 267 EXPECT_TRUE(Str.startswith_lower("HELlo")); 268 EXPECT_FALSE(Str.startswith_lower("helloworld")); 269 EXPECT_FALSE(Str.startswith_lower("hi")); 270 } 271 272 TEST(StringRefTest, EndsWith) { 273 StringRef Str("hello"); 274 EXPECT_TRUE(Str.endswith("")); 275 EXPECT_TRUE(Str.endswith("lo")); 276 EXPECT_FALSE(Str.endswith("helloworld")); 277 EXPECT_FALSE(Str.endswith("worldhello")); 278 EXPECT_FALSE(Str.endswith("so")); 279 } 280 281 TEST(StringRefTest, EndsWithLower) { 282 StringRef Str("heLLo"); 283 EXPECT_TRUE(Str.endswith_lower("")); 284 EXPECT_TRUE(Str.endswith_lower("lo")); 285 EXPECT_TRUE(Str.endswith_lower("LO")); 286 EXPECT_TRUE(Str.endswith_lower("ELlo")); 287 EXPECT_FALSE(Str.endswith_lower("helloworld")); 288 EXPECT_FALSE(Str.endswith_lower("hi")); 289 } 290 291 TEST(StringRefTest, Find) { 292 StringRef Str("hello"); 293 EXPECT_EQ(2U, Str.find('l')); 294 EXPECT_EQ(StringRef::npos, Str.find('z')); 295 EXPECT_EQ(StringRef::npos, Str.find("helloworld")); 296 EXPECT_EQ(0U, Str.find("hello")); 297 EXPECT_EQ(1U, Str.find("ello")); 298 EXPECT_EQ(StringRef::npos, Str.find("zz")); 299 EXPECT_EQ(2U, Str.find("ll", 2)); 300 EXPECT_EQ(StringRef::npos, Str.find("ll", 3)); 301 EXPECT_EQ(0U, Str.find("")); 302 StringRef LongStr("hellx xello hell ello world foo bar hello"); 303 EXPECT_EQ(36U, LongStr.find("hello")); 304 EXPECT_EQ(28U, LongStr.find("foo")); 305 EXPECT_EQ(12U, LongStr.find("hell", 2)); 306 EXPECT_EQ(0U, LongStr.find("")); 307 308 EXPECT_EQ(3U, Str.rfind('l')); 309 EXPECT_EQ(StringRef::npos, Str.rfind('z')); 310 EXPECT_EQ(StringRef::npos, Str.rfind("helloworld")); 311 EXPECT_EQ(0U, Str.rfind("hello")); 312 EXPECT_EQ(1U, Str.rfind("ello")); 313 EXPECT_EQ(StringRef::npos, Str.rfind("zz")); 314 315 EXPECT_EQ(2U, Str.find_first_of('l')); 316 EXPECT_EQ(1U, Str.find_first_of("el")); 317 EXPECT_EQ(StringRef::npos, Str.find_first_of("xyz")); 318 319 EXPECT_EQ(1U, Str.find_first_not_of('h')); 320 EXPECT_EQ(4U, Str.find_first_not_of("hel")); 321 EXPECT_EQ(StringRef::npos, Str.find_first_not_of("hello")); 322 323 EXPECT_EQ(3U, Str.find_last_not_of('o')); 324 EXPECT_EQ(1U, Str.find_last_not_of("lo")); 325 EXPECT_EQ(StringRef::npos, Str.find_last_not_of("helo")); 326 } 327 328 TEST(StringRefTest, Count) { 329 StringRef Str("hello"); 330 EXPECT_EQ(2U, Str.count('l')); 331 EXPECT_EQ(1U, Str.count('o')); 332 EXPECT_EQ(0U, Str.count('z')); 333 EXPECT_EQ(0U, Str.count("helloworld")); 334 EXPECT_EQ(1U, Str.count("hello")); 335 EXPECT_EQ(1U, Str.count("ello")); 336 EXPECT_EQ(0U, Str.count("zz")); 337 } 338 339 TEST(StringRefTest, EditDistance) { 340 StringRef Str("hello"); 341 EXPECT_EQ(2U, Str.edit_distance("hill")); 342 } 343 344 TEST(StringRefTest, Misc) { 345 std::string Storage; 346 raw_string_ostream OS(Storage); 347 OS << StringRef("hello"); 348 EXPECT_EQ("hello", OS.str()); 349 } 350 351 TEST(StringRefTest, Hashing) { 352 EXPECT_EQ(hash_value(std::string()), hash_value(StringRef())); 353 EXPECT_EQ(hash_value(std::string()), hash_value(StringRef(""))); 354 std::string S = "hello world"; 355 hash_code H = hash_value(S); 356 EXPECT_EQ(H, hash_value(StringRef("hello world"))); 357 EXPECT_EQ(H, hash_value(StringRef(S))); 358 EXPECT_NE(H, hash_value(StringRef("hello worl"))); 359 EXPECT_EQ(hash_value(std::string("hello worl")), 360 hash_value(StringRef("hello worl"))); 361 EXPECT_NE(H, hash_value(StringRef("hello world "))); 362 EXPECT_EQ(hash_value(std::string("hello world ")), 363 hash_value(StringRef("hello world "))); 364 EXPECT_EQ(H, hash_value(StringRef("hello world\0"))); 365 EXPECT_NE(hash_value(std::string("ello worl")), 366 hash_value(StringRef("hello world").slice(1, -1))); 367 } 368 369 struct UnsignedPair { 370 const char *Str; 371 uint64_t Expected; 372 } Unsigned[] = 373 { {"0", 0} 374 , {"255", 255} 375 , {"256", 256} 376 , {"65535", 65535} 377 , {"65536", 65536} 378 , {"4294967295", 4294967295ULL} 379 , {"4294967296", 4294967296ULL} 380 , {"18446744073709551615", 18446744073709551615ULL} 381 , {"042", 34} 382 , {"0x42", 66} 383 , {"0b101010", 42} 384 }; 385 386 struct SignedPair { 387 const char *Str; 388 int64_t Expected; 389 } Signed[] = 390 { {"0", 0} 391 , {"-0", 0} 392 , {"127", 127} 393 , {"128", 128} 394 , {"-128", -128} 395 , {"-129", -129} 396 , {"32767", 32767} 397 , {"32768", 32768} 398 , {"-32768", -32768} 399 , {"-32769", -32769} 400 , {"2147483647", 2147483647LL} 401 , {"2147483648", 2147483648LL} 402 , {"-2147483648", -2147483648LL} 403 , {"-2147483649", -2147483649LL} 404 , {"-9223372036854775808", -(9223372036854775807LL) - 1} 405 , {"042", 34} 406 , {"0x42", 66} 407 , {"0b101010", 42} 408 , {"-042", -34} 409 , {"-0x42", -66} 410 , {"-0b101010", -42} 411 }; 412 413 TEST(StringRefTest, getAsInteger) { 414 uint8_t U8; 415 uint16_t U16; 416 uint32_t U32; 417 uint64_t U64; 418 419 for (size_t i = 0; i < array_lengthof(Unsigned); ++i) { 420 bool U8Success = StringRef(Unsigned[i].Str).getAsInteger(0, U8); 421 if (static_cast<uint8_t>(Unsigned[i].Expected) == Unsigned[i].Expected) { 422 ASSERT_FALSE(U8Success); 423 EXPECT_EQ(U8, Unsigned[i].Expected); 424 } else { 425 ASSERT_TRUE(U8Success); 426 } 427 bool U16Success = StringRef(Unsigned[i].Str).getAsInteger(0, U16); 428 if (static_cast<uint16_t>(Unsigned[i].Expected) == Unsigned[i].Expected) { 429 ASSERT_FALSE(U16Success); 430 EXPECT_EQ(U16, Unsigned[i].Expected); 431 } else { 432 ASSERT_TRUE(U16Success); 433 } 434 bool U32Success = StringRef(Unsigned[i].Str).getAsInteger(0, U32); 435 if (static_cast<uint32_t>(Unsigned[i].Expected) == Unsigned[i].Expected) { 436 ASSERT_FALSE(U32Success); 437 EXPECT_EQ(U32, Unsigned[i].Expected); 438 } else { 439 ASSERT_TRUE(U32Success); 440 } 441 bool U64Success = StringRef(Unsigned[i].Str).getAsInteger(0, U64); 442 if (static_cast<uint64_t>(Unsigned[i].Expected) == Unsigned[i].Expected) { 443 ASSERT_FALSE(U64Success); 444 EXPECT_EQ(U64, Unsigned[i].Expected); 445 } else { 446 ASSERT_TRUE(U64Success); 447 } 448 } 449 450 int8_t S8; 451 int16_t S16; 452 int32_t S32; 453 int64_t S64; 454 455 for (size_t i = 0; i < array_lengthof(Signed); ++i) { 456 bool S8Success = StringRef(Signed[i].Str).getAsInteger(0, S8); 457 if (static_cast<int8_t>(Signed[i].Expected) == Signed[i].Expected) { 458 ASSERT_FALSE(S8Success); 459 EXPECT_EQ(S8, Signed[i].Expected); 460 } else { 461 ASSERT_TRUE(S8Success); 462 } 463 bool S16Success = StringRef(Signed[i].Str).getAsInteger(0, S16); 464 if (static_cast<int16_t>(Signed[i].Expected) == Signed[i].Expected) { 465 ASSERT_FALSE(S16Success); 466 EXPECT_EQ(S16, Signed[i].Expected); 467 } else { 468 ASSERT_TRUE(S16Success); 469 } 470 bool S32Success = StringRef(Signed[i].Str).getAsInteger(0, S32); 471 if (static_cast<int32_t>(Signed[i].Expected) == Signed[i].Expected) { 472 ASSERT_FALSE(S32Success); 473 EXPECT_EQ(S32, Signed[i].Expected); 474 } else { 475 ASSERT_TRUE(S32Success); 476 } 477 bool S64Success = StringRef(Signed[i].Str).getAsInteger(0, S64); 478 if (static_cast<int64_t>(Signed[i].Expected) == Signed[i].Expected) { 479 ASSERT_FALSE(S64Success); 480 EXPECT_EQ(S64, Signed[i].Expected); 481 } else { 482 ASSERT_TRUE(S64Success); 483 } 484 } 485 } 486 487 488 static const char* BadStrings[] = { 489 "18446744073709551617" // value just over max 490 , "123456789012345678901" // value way too large 491 , "4t23v" // illegal decimal characters 492 , "0x123W56" // illegal hex characters 493 , "0b2" // illegal bin characters 494 , "08" // illegal oct characters 495 , "0o8" // illegal oct characters 496 , "-123" // negative unsigned value 497 }; 498 499 500 TEST(StringRefTest, getAsUnsignedIntegerBadStrings) { 501 unsigned long long U64; 502 for (size_t i = 0; i < array_lengthof(BadStrings); ++i) { 503 bool IsBadNumber = StringRef(BadStrings[i]).getAsInteger(0, U64); 504 ASSERT_TRUE(IsBadNumber); 505 } 506 } 507 508 static const char *join_input[] = { "a", "b", "c" }; 509 static const char join_result1[] = "a"; 510 static const char join_result2[] = "a:b:c"; 511 static const char join_result3[] = "a::b::c"; 512 513 TEST(StringRefTest, joinStrings) { 514 std::vector<StringRef> v1; 515 std::vector<std::string> v2; 516 for (size_t i = 0; i < array_lengthof(join_input); ++i) { 517 v1.push_back(join_input[i]); 518 v2.push_back(join_input[i]); 519 } 520 521 bool v1_join1 = join(v1.begin(), v1.begin() + 1, ":") == join_result1; 522 EXPECT_TRUE(v1_join1); 523 bool v1_join2 = join(v1.begin(), v1.end(), ":") == join_result2; 524 EXPECT_TRUE(v1_join2); 525 bool v1_join3 = join(v1.begin(), v1.end(), "::") == join_result3; 526 EXPECT_TRUE(v1_join3); 527 528 bool v2_join1 = join(v2.begin(), v2.begin() + 1, ":") == join_result1; 529 EXPECT_TRUE(v2_join1); 530 bool v2_join2 = join(v2.begin(), v2.end(), ":") == join_result2; 531 EXPECT_TRUE(v2_join2); 532 bool v2_join3 = join(v2.begin(), v2.end(), "::") == join_result3; 533 EXPECT_TRUE(v2_join3); 534 } 535 536 537 TEST(StringRefTest, AllocatorCopy) { 538 BumpPtrAllocator Alloc; 539 StringRef Str1 = "hello"; 540 StringRef Str2 = "bye"; 541 StringRef Str1c = Str1.copy(Alloc); 542 StringRef Str2c = Str2.copy(Alloc); 543 EXPECT_TRUE(Str1.equals(Str1c)); 544 EXPECT_NE(Str1.data(), Str1c.data()); 545 EXPECT_TRUE(Str2.equals(Str2c)); 546 EXPECT_NE(Str2.data(), Str2c.data()); 547 } 548 549 550 } // end anonymous namespace 551
