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| 1 /* | |
| 2 * Copyright (C) 2011 Apple Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | |
| 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | |
| 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | |
| 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | |
| 23 * THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "wtf/Vector.h" | |
| 27 | |
| 28 #include "testing/gtest/include/gtest/gtest.h" | |
| 29 #include "wtf/HashSet.h" | |
| 30 #include "wtf/Optional.h" | |
| 31 #include "wtf/PtrUtil.h" | |
| 32 #include "wtf/text/WTFString.h" | |
| 33 #include <memory> | |
| 34 | |
| 35 namespace WTF { | |
| 36 | |
| 37 namespace { | |
| 38 | |
| 39 TEST(VectorTest, Basic) { | |
| 40 Vector<int> intVector; | |
| 41 EXPECT_TRUE(intVector.isEmpty()); | |
| 42 EXPECT_EQ(0ul, intVector.size()); | |
| 43 EXPECT_EQ(0ul, intVector.capacity()); | |
| 44 } | |
| 45 | |
| 46 TEST(VectorTest, Reverse) { | |
| 47 Vector<int> intVector; | |
| 48 intVector.push_back(10); | |
| 49 intVector.push_back(11); | |
| 50 intVector.push_back(12); | |
| 51 intVector.push_back(13); | |
| 52 intVector.reverse(); | |
| 53 | |
| 54 EXPECT_EQ(13, intVector[0]); | |
| 55 EXPECT_EQ(12, intVector[1]); | |
| 56 EXPECT_EQ(11, intVector[2]); | |
| 57 EXPECT_EQ(10, intVector[3]); | |
| 58 | |
| 59 intVector.push_back(9); | |
| 60 intVector.reverse(); | |
| 61 | |
| 62 EXPECT_EQ(9, intVector[0]); | |
| 63 EXPECT_EQ(10, intVector[1]); | |
| 64 EXPECT_EQ(11, intVector[2]); | |
| 65 EXPECT_EQ(12, intVector[3]); | |
| 66 EXPECT_EQ(13, intVector[4]); | |
| 67 } | |
| 68 | |
| 69 TEST(VectorTest, Remove) { | |
| 70 Vector<int> intVector; | |
| 71 intVector.push_back(0); | |
| 72 intVector.push_back(1); | |
| 73 intVector.push_back(2); | |
| 74 intVector.push_back(3); | |
| 75 | |
| 76 EXPECT_EQ(4u, intVector.size()); | |
| 77 EXPECT_EQ(0, intVector[0]); | |
| 78 EXPECT_EQ(1, intVector[1]); | |
| 79 EXPECT_EQ(2, intVector[2]); | |
| 80 EXPECT_EQ(3, intVector[3]); | |
| 81 | |
| 82 intVector.erase(2, 0); | |
| 83 EXPECT_EQ(4u, intVector.size()); | |
| 84 EXPECT_EQ(2, intVector[2]); | |
| 85 | |
| 86 intVector.erase(2, 1); | |
| 87 EXPECT_EQ(3u, intVector.size()); | |
| 88 EXPECT_EQ(3, intVector[2]); | |
| 89 | |
| 90 intVector.erase(0, 0); | |
| 91 EXPECT_EQ(3u, intVector.size()); | |
| 92 EXPECT_EQ(0, intVector[0]); | |
| 93 | |
| 94 intVector.erase(0); | |
| 95 EXPECT_EQ(2u, intVector.size()); | |
| 96 EXPECT_EQ(1, intVector[0]); | |
| 97 } | |
| 98 | |
| 99 TEST(VectorTest, Iterator) { | |
| 100 Vector<int> intVector; | |
| 101 intVector.push_back(10); | |
| 102 intVector.push_back(11); | |
| 103 intVector.push_back(12); | |
| 104 intVector.push_back(13); | |
| 105 | |
| 106 Vector<int>::iterator it = intVector.begin(); | |
| 107 Vector<int>::iterator end = intVector.end(); | |
| 108 EXPECT_TRUE(end != it); | |
| 109 | |
| 110 EXPECT_EQ(10, *it); | |
| 111 ++it; | |
| 112 EXPECT_EQ(11, *it); | |
| 113 ++it; | |
| 114 EXPECT_EQ(12, *it); | |
| 115 ++it; | |
| 116 EXPECT_EQ(13, *it); | |
| 117 ++it; | |
| 118 | |
| 119 EXPECT_TRUE(end == it); | |
| 120 } | |
| 121 | |
| 122 TEST(VectorTest, ReverseIterator) { | |
| 123 Vector<int> intVector; | |
| 124 intVector.push_back(10); | |
| 125 intVector.push_back(11); | |
| 126 intVector.push_back(12); | |
| 127 intVector.push_back(13); | |
| 128 | |
| 129 Vector<int>::reverse_iterator it = intVector.rbegin(); | |
| 130 Vector<int>::reverse_iterator end = intVector.rend(); | |
| 131 EXPECT_TRUE(end != it); | |
| 132 | |
| 133 EXPECT_EQ(13, *it); | |
| 134 ++it; | |
| 135 EXPECT_EQ(12, *it); | |
| 136 ++it; | |
| 137 EXPECT_EQ(11, *it); | |
| 138 ++it; | |
| 139 EXPECT_EQ(10, *it); | |
| 140 ++it; | |
| 141 | |
| 142 EXPECT_TRUE(end == it); | |
| 143 } | |
| 144 | |
| 145 class DestructCounter { | |
| 146 public: | |
| 147 explicit DestructCounter(int i, int* destructNumber) | |
| 148 : m_i(i), m_destructNumber(destructNumber) {} | |
| 149 | |
| 150 ~DestructCounter() { ++(*m_destructNumber); } | |
| 151 int get() const { return m_i; } | |
| 152 | |
| 153 private: | |
| 154 int m_i; | |
| 155 int* m_destructNumber; | |
| 156 }; | |
| 157 | |
| 158 typedef WTF::Vector<std::unique_ptr<DestructCounter>> OwnPtrVector; | |
| 159 | |
| 160 TEST(VectorTest, OwnPtr) { | |
| 161 int destructNumber = 0; | |
| 162 OwnPtrVector vector; | |
| 163 vector.push_back(WTF::wrapUnique(new DestructCounter(0, &destructNumber))); | |
| 164 vector.push_back(WTF::wrapUnique(new DestructCounter(1, &destructNumber))); | |
| 165 EXPECT_EQ(2u, vector.size()); | |
| 166 | |
| 167 std::unique_ptr<DestructCounter>& counter0 = vector.front(); | |
| 168 ASSERT_EQ(0, counter0->get()); | |
| 169 int counter1 = vector.back()->get(); | |
| 170 ASSERT_EQ(1, counter1); | |
| 171 ASSERT_EQ(0, destructNumber); | |
| 172 | |
| 173 size_t index = 0; | |
| 174 for (OwnPtrVector::iterator iter = vector.begin(); iter != vector.end(); | |
| 175 ++iter) { | |
| 176 std::unique_ptr<DestructCounter>* refCounter = iter; | |
| 177 EXPECT_EQ(index, static_cast<size_t>(refCounter->get()->get())); | |
| 178 EXPECT_EQ(index, static_cast<size_t>((*refCounter)->get())); | |
| 179 index++; | |
| 180 } | |
| 181 EXPECT_EQ(0, destructNumber); | |
| 182 | |
| 183 for (index = 0; index < vector.size(); index++) { | |
| 184 std::unique_ptr<DestructCounter>& refCounter = vector[index]; | |
| 185 EXPECT_EQ(index, static_cast<size_t>(refCounter->get())); | |
| 186 } | |
| 187 EXPECT_EQ(0, destructNumber); | |
| 188 | |
| 189 EXPECT_EQ(0, vector[0]->get()); | |
| 190 EXPECT_EQ(1, vector[1]->get()); | |
| 191 vector.erase(0); | |
| 192 EXPECT_EQ(1, vector[0]->get()); | |
| 193 EXPECT_EQ(1u, vector.size()); | |
| 194 EXPECT_EQ(1, destructNumber); | |
| 195 | |
| 196 std::unique_ptr<DestructCounter> ownCounter1 = std::move(vector[0]); | |
| 197 vector.erase(0); | |
| 198 ASSERT_EQ(counter1, ownCounter1->get()); | |
| 199 ASSERT_EQ(0u, vector.size()); | |
| 200 ASSERT_EQ(1, destructNumber); | |
| 201 | |
| 202 ownCounter1.reset(); | |
| 203 EXPECT_EQ(2, destructNumber); | |
| 204 | |
| 205 size_t count = 1025; | |
| 206 destructNumber = 0; | |
| 207 for (size_t i = 0; i < count; i++) | |
| 208 vector.push_front(WTF::wrapUnique(new DestructCounter(i, &destructNumber))); | |
| 209 | |
| 210 // Vector relocation must not destruct std::unique_ptr element. | |
| 211 EXPECT_EQ(0, destructNumber); | |
| 212 EXPECT_EQ(count, vector.size()); | |
| 213 | |
| 214 OwnPtrVector copyVector; | |
| 215 vector.swap(copyVector); | |
| 216 EXPECT_EQ(0, destructNumber); | |
| 217 EXPECT_EQ(count, copyVector.size()); | |
| 218 EXPECT_EQ(0u, vector.size()); | |
| 219 | |
| 220 copyVector.clear(); | |
| 221 EXPECT_EQ(count, static_cast<size_t>(destructNumber)); | |
| 222 } | |
| 223 | |
| 224 class MoveOnly { | |
| 225 public: | |
| 226 explicit MoveOnly(int i = 0) : m_i(i) {} | |
| 227 | |
| 228 MoveOnly(MoveOnly&& other) : m_i(other.m_i) { other.m_i = 0; } | |
| 229 | |
| 230 MoveOnly& operator=(MoveOnly&& other) { | |
| 231 if (this != &other) { | |
| 232 m_i = other.m_i; | |
| 233 other.m_i = 0; | |
| 234 } | |
| 235 return *this; | |
| 236 } | |
| 237 | |
| 238 int value() const { return m_i; } | |
| 239 | |
| 240 private: | |
| 241 WTF_MAKE_NONCOPYABLE(MoveOnly); | |
| 242 int m_i; | |
| 243 }; | |
| 244 | |
| 245 TEST(VectorTest, MoveOnlyType) { | |
| 246 WTF::Vector<MoveOnly> vector; | |
| 247 vector.push_back(MoveOnly(1)); | |
| 248 vector.push_back(MoveOnly(2)); | |
| 249 EXPECT_EQ(2u, vector.size()); | |
| 250 | |
| 251 ASSERT_EQ(1, vector.front().value()); | |
| 252 ASSERT_EQ(2, vector.back().value()); | |
| 253 | |
| 254 vector.erase(0); | |
| 255 EXPECT_EQ(2, vector[0].value()); | |
| 256 EXPECT_EQ(1u, vector.size()); | |
| 257 | |
| 258 MoveOnly moveOnly(std::move(vector[0])); | |
| 259 vector.erase(0); | |
| 260 ASSERT_EQ(2, moveOnly.value()); | |
| 261 ASSERT_EQ(0u, vector.size()); | |
| 262 | |
| 263 size_t count = vector.capacity() + 1; | |
| 264 for (size_t i = 0; i < count; i++) | |
| 265 vector.push_back( | |
| 266 MoveOnly(i + 1)); // +1 to distinguish from default-constructed. | |
| 267 | |
| 268 // Reallocation did not affect the vector's content. | |
| 269 EXPECT_EQ(count, vector.size()); | |
| 270 for (size_t i = 0; i < vector.size(); i++) | |
| 271 EXPECT_EQ(static_cast<int>(i + 1), vector[i].value()); | |
| 272 | |
| 273 WTF::Vector<MoveOnly> otherVector; | |
| 274 vector.swap(otherVector); | |
| 275 EXPECT_EQ(count, otherVector.size()); | |
| 276 EXPECT_EQ(0u, vector.size()); | |
| 277 | |
| 278 vector = std::move(otherVector); | |
| 279 EXPECT_EQ(count, vector.size()); | |
| 280 } | |
| 281 | |
| 282 // WrappedInt class will fail if it was memmoved or memcpyed. | |
| 283 static HashSet<void*> constructedWrappedInts; | |
| 284 class WrappedInt { | |
| 285 public: | |
| 286 WrappedInt(int i = 0) : m_originalThisPtr(this), m_i(i) { | |
| 287 constructedWrappedInts.insert(this); | |
| 288 } | |
| 289 | |
| 290 WrappedInt(const WrappedInt& other) | |
| 291 : m_originalThisPtr(this), m_i(other.m_i) { | |
| 292 constructedWrappedInts.insert(this); | |
| 293 } | |
| 294 | |
| 295 WrappedInt& operator=(const WrappedInt& other) { | |
| 296 m_i = other.m_i; | |
| 297 return *this; | |
| 298 } | |
| 299 | |
| 300 ~WrappedInt() { | |
| 301 EXPECT_EQ(m_originalThisPtr, this); | |
| 302 EXPECT_TRUE(constructedWrappedInts.contains(this)); | |
| 303 constructedWrappedInts.erase(this); | |
| 304 } | |
| 305 | |
| 306 int get() const { return m_i; } | |
| 307 | |
| 308 private: | |
| 309 void* m_originalThisPtr; | |
| 310 int m_i; | |
| 311 }; | |
| 312 | |
| 313 TEST(VectorTest, SwapWithInlineCapacity) { | |
| 314 const size_t inlineCapacity = 2; | |
| 315 Vector<WrappedInt, inlineCapacity> vectorA; | |
| 316 vectorA.push_back(WrappedInt(1)); | |
| 317 Vector<WrappedInt, inlineCapacity> vectorB; | |
| 318 vectorB.push_back(WrappedInt(2)); | |
| 319 | |
| 320 EXPECT_EQ(vectorA.size(), vectorB.size()); | |
| 321 vectorA.swap(vectorB); | |
| 322 | |
| 323 EXPECT_EQ(1u, vectorA.size()); | |
| 324 EXPECT_EQ(2, vectorA.at(0).get()); | |
| 325 EXPECT_EQ(1u, vectorB.size()); | |
| 326 EXPECT_EQ(1, vectorB.at(0).get()); | |
| 327 | |
| 328 vectorA.push_back(WrappedInt(3)); | |
| 329 | |
| 330 EXPECT_GT(vectorA.size(), vectorB.size()); | |
| 331 vectorA.swap(vectorB); | |
| 332 | |
| 333 EXPECT_EQ(1u, vectorA.size()); | |
| 334 EXPECT_EQ(1, vectorA.at(0).get()); | |
| 335 EXPECT_EQ(2u, vectorB.size()); | |
| 336 EXPECT_EQ(2, vectorB.at(0).get()); | |
| 337 EXPECT_EQ(3, vectorB.at(1).get()); | |
| 338 | |
| 339 EXPECT_LT(vectorA.size(), vectorB.size()); | |
| 340 vectorA.swap(vectorB); | |
| 341 | |
| 342 EXPECT_EQ(2u, vectorA.size()); | |
| 343 EXPECT_EQ(2, vectorA.at(0).get()); | |
| 344 EXPECT_EQ(3, vectorA.at(1).get()); | |
| 345 EXPECT_EQ(1u, vectorB.size()); | |
| 346 EXPECT_EQ(1, vectorB.at(0).get()); | |
| 347 | |
| 348 vectorA.push_back(WrappedInt(4)); | |
| 349 EXPECT_GT(vectorA.size(), inlineCapacity); | |
| 350 vectorA.swap(vectorB); | |
| 351 | |
| 352 EXPECT_EQ(1u, vectorA.size()); | |
| 353 EXPECT_EQ(1, vectorA.at(0).get()); | |
| 354 EXPECT_EQ(3u, vectorB.size()); | |
| 355 EXPECT_EQ(2, vectorB.at(0).get()); | |
| 356 EXPECT_EQ(3, vectorB.at(1).get()); | |
| 357 EXPECT_EQ(4, vectorB.at(2).get()); | |
| 358 | |
| 359 vectorB.swap(vectorA); | |
| 360 } | |
| 361 | |
| 362 #if defined(ANNOTATE_CONTIGUOUS_CONTAINER) | |
| 363 TEST(VectorTest, ContainerAnnotations) { | |
| 364 Vector<int> vectorA; | |
| 365 vectorA.push_back(10); | |
| 366 vectorA.reserveCapacity(32); | |
| 367 | |
| 368 volatile int* intPointerA = vectorA.data(); | |
| 369 EXPECT_DEATH(intPointerA[1] = 11, "container-overflow"); | |
| 370 vectorA.push_back(11); | |
| 371 intPointerA[1] = 11; | |
| 372 EXPECT_DEATH(intPointerA[2] = 12, "container-overflow"); | |
| 373 EXPECT_DEATH((void)intPointerA[2], "container-overflow"); | |
| 374 vectorA.shrinkToFit(); | |
| 375 vectorA.reserveCapacity(16); | |
| 376 intPointerA = vectorA.data(); | |
| 377 EXPECT_DEATH((void)intPointerA[2], "container-overflow"); | |
| 378 | |
| 379 Vector<int> vectorB(vectorA); | |
| 380 vectorB.reserveCapacity(16); | |
| 381 volatile int* intPointerB = vectorB.data(); | |
| 382 EXPECT_DEATH((void)intPointerB[2], "container-overflow"); | |
| 383 | |
| 384 Vector<int> vectorC((Vector<int>(vectorA))); | |
| 385 volatile int* intPointerC = vectorC.data(); | |
| 386 EXPECT_DEATH((void)intPointerC[2], "container-overflow"); | |
| 387 vectorC.push_back(13); | |
| 388 vectorC.swap(vectorB); | |
| 389 | |
| 390 volatile int* intPointerB2 = vectorB.data(); | |
| 391 volatile int* intPointerC2 = vectorC.data(); | |
| 392 intPointerB2[2] = 13; | |
| 393 EXPECT_DEATH((void)intPointerB2[3], "container-overflow"); | |
| 394 EXPECT_DEATH((void)intPointerC2[2], "container-overflow"); | |
| 395 | |
| 396 vectorB = vectorC; | |
| 397 volatile int* intPointerB3 = vectorB.data(); | |
| 398 EXPECT_DEATH((void)intPointerB3[2], "container-overflow"); | |
| 399 } | |
| 400 #endif // defined(ANNOTATE_CONTIGUOUS_CONTAINER) | |
| 401 | |
| 402 class Comparable {}; | |
| 403 bool operator==(const Comparable& a, const Comparable& b) { | |
| 404 return true; | |
| 405 } | |
| 406 | |
| 407 template <typename T> | |
| 408 void compare() { | |
| 409 EXPECT_TRUE(Vector<T>() == Vector<T>()); | |
| 410 EXPECT_FALSE(Vector<T>(1) == Vector<T>(0)); | |
| 411 EXPECT_FALSE(Vector<T>() == Vector<T>(1)); | |
| 412 EXPECT_TRUE(Vector<T>(1) == Vector<T>(1)); | |
| 413 | |
| 414 Vector<T, 1> vectorWithInlineCapacity; | |
| 415 EXPECT_TRUE(vectorWithInlineCapacity == Vector<T>()); | |
| 416 EXPECT_FALSE(vectorWithInlineCapacity == Vector<T>(1)); | |
| 417 } | |
| 418 | |
| 419 TEST(VectorTest, Compare) { | |
| 420 compare<int>(); | |
| 421 compare<Comparable>(); | |
| 422 compare<WTF::String>(); | |
| 423 } | |
| 424 | |
| 425 TEST(VectorTest, AppendFirst) { | |
| 426 Vector<WTF::String> vector; | |
| 427 vector.push_back("string"); | |
| 428 // Test passes if it does not crash (reallocation did not make | |
| 429 // the input reference stale). | |
| 430 size_t limit = vector.capacity() + 1; | |
| 431 for (size_t i = 0; i < limit; i++) | |
| 432 vector.push_back(vector.front()); | |
| 433 | |
| 434 limit = vector.capacity() + 1; | |
| 435 for (size_t i = 0; i < limit; i++) | |
| 436 vector.push_back(const_cast<const WTF::String&>(vector.front())); | |
| 437 } | |
| 438 | |
| 439 // The test below is for the following issue: | |
| 440 // | |
| 441 // https://bugs.chromium.org/p/chromium/issues/detail?id=592767 | |
| 442 // | |
| 443 // where deleted copy assignment operator made canMoveWithMemcpy true because | |
| 444 // of the implementation of IsTriviallyMoveAssignable<T>. | |
| 445 | |
| 446 class MojoMoveOnlyType final { | |
| 447 public: | |
| 448 MojoMoveOnlyType(); | |
| 449 MojoMoveOnlyType(MojoMoveOnlyType&&); | |
| 450 MojoMoveOnlyType& operator=(MojoMoveOnlyType&&); | |
| 451 ~MojoMoveOnlyType(); | |
| 452 | |
| 453 private: | |
| 454 MojoMoveOnlyType(const MojoMoveOnlyType&) = delete; | |
| 455 void operator=(const MojoMoveOnlyType&) = delete; | |
| 456 }; | |
| 457 | |
| 458 static_assert(!IsTriviallyMoveAssignable<MojoMoveOnlyType>::value, | |
| 459 "MojoMoveOnlyType isn't trivially move assignable."); | |
| 460 static_assert(!IsTriviallyCopyAssignable<MojoMoveOnlyType>::value, | |
| 461 "MojoMoveOnlyType isn't trivially copy assignable."); | |
| 462 | |
| 463 static_assert(!VectorTraits<MojoMoveOnlyType>::canMoveWithMemcpy, | |
| 464 "MojoMoveOnlyType can't be moved with memcpy."); | |
| 465 static_assert(!VectorTraits<MojoMoveOnlyType>::canCopyWithMemcpy, | |
| 466 "MojoMoveOnlyType can't be copied with memcpy."); | |
| 467 | |
| 468 class LivenessCounter { | |
| 469 public: | |
| 470 void ref() { s_live++; } | |
| 471 void deref() { s_live--; } | |
| 472 | |
| 473 static unsigned s_live; | |
| 474 }; | |
| 475 | |
| 476 unsigned LivenessCounter::s_live = 0; | |
| 477 | |
| 478 class VectorWithDifferingInlineCapacityTest | |
| 479 : public ::testing::TestWithParam<size_t> {}; | |
| 480 | |
| 481 template <size_t inlineCapacity> | |
| 482 void testDestructorAndConstructorCallsWhenSwappingWithInlineCapacity() { | |
| 483 LivenessCounter::s_live = 0; | |
| 484 LivenessCounter counter; | |
| 485 EXPECT_EQ(0u, LivenessCounter::s_live); | |
| 486 | |
| 487 Vector<RefPtr<LivenessCounter>, inlineCapacity> vector; | |
| 488 Vector<RefPtr<LivenessCounter>, inlineCapacity> vector2; | |
| 489 vector.push_back(&counter); | |
| 490 vector2.push_back(&counter); | |
| 491 EXPECT_EQ(2u, LivenessCounter::s_live); | |
| 492 | |
| 493 for (unsigned i = 0; i < 13; i++) { | |
| 494 for (unsigned j = 0; j < 13; j++) { | |
| 495 vector.clear(); | |
| 496 vector2.clear(); | |
| 497 EXPECT_EQ(0u, LivenessCounter::s_live); | |
| 498 | |
| 499 for (unsigned k = 0; k < j; k++) | |
| 500 vector.push_back(&counter); | |
| 501 EXPECT_EQ(j, LivenessCounter::s_live); | |
| 502 EXPECT_EQ(j, vector.size()); | |
| 503 | |
| 504 for (unsigned k = 0; k < i; k++) | |
| 505 vector2.push_back(&counter); | |
| 506 EXPECT_EQ(i + j, LivenessCounter::s_live); | |
| 507 EXPECT_EQ(i, vector2.size()); | |
| 508 | |
| 509 vector.swap(vector2); | |
| 510 EXPECT_EQ(i + j, LivenessCounter::s_live); | |
| 511 EXPECT_EQ(i, vector.size()); | |
| 512 EXPECT_EQ(j, vector2.size()); | |
| 513 | |
| 514 unsigned size = vector.size(); | |
| 515 unsigned size2 = vector2.size(); | |
| 516 | |
| 517 for (unsigned k = 0; k < 5; k++) { | |
| 518 vector.swap(vector2); | |
| 519 std::swap(size, size2); | |
| 520 EXPECT_EQ(i + j, LivenessCounter::s_live); | |
| 521 EXPECT_EQ(size, vector.size()); | |
| 522 EXPECT_EQ(size2, vector2.size()); | |
| 523 | |
| 524 vector2.push_back(&counter); | |
| 525 vector2.erase(0); | |
| 526 } | |
| 527 } | |
| 528 } | |
| 529 } | |
| 530 | |
| 531 TEST(VectorTest, SwapWithConstructorsAndDestructors) { | |
| 532 testDestructorAndConstructorCallsWhenSwappingWithInlineCapacity<0>(); | |
| 533 testDestructorAndConstructorCallsWhenSwappingWithInlineCapacity<2>(); | |
| 534 testDestructorAndConstructorCallsWhenSwappingWithInlineCapacity<10>(); | |
| 535 } | |
| 536 | |
| 537 template <size_t inlineCapacity> | |
| 538 void testValuesMovedAndSwappedWithInlineCapacity() { | |
| 539 Vector<unsigned, inlineCapacity> vector; | |
| 540 Vector<unsigned, inlineCapacity> vector2; | |
| 541 | |
| 542 for (unsigned size = 0; size < 13; size++) { | |
| 543 for (unsigned size2 = 0; size2 < 13; size2++) { | |
| 544 vector.clear(); | |
| 545 vector2.clear(); | |
| 546 for (unsigned i = 0; i < size; i++) | |
| 547 vector.push_back(i); | |
| 548 for (unsigned i = 0; i < size2; i++) | |
| 549 vector2.push_back(i + 42); | |
| 550 EXPECT_EQ(size, vector.size()); | |
| 551 EXPECT_EQ(size2, vector2.size()); | |
| 552 vector.swap(vector2); | |
| 553 for (unsigned i = 0; i < size; i++) | |
| 554 EXPECT_EQ(i, vector2[i]); | |
| 555 for (unsigned i = 0; i < size2; i++) | |
| 556 EXPECT_EQ(i + 42, vector[i]); | |
| 557 } | |
| 558 } | |
| 559 } | |
| 560 | |
| 561 TEST(VectorTest, ValuesMovedAndSwappedWithInlineCapacity) { | |
| 562 testValuesMovedAndSwappedWithInlineCapacity<0>(); | |
| 563 testValuesMovedAndSwappedWithInlineCapacity<2>(); | |
| 564 testValuesMovedAndSwappedWithInlineCapacity<10>(); | |
| 565 } | |
| 566 | |
| 567 TEST(VectorTest, UniquePtr) { | |
| 568 using Pointer = std::unique_ptr<int>; | |
| 569 Vector<Pointer> vector; | |
| 570 vector.push_back(Pointer(new int(1))); | |
| 571 vector.reserveCapacity(2); | |
| 572 vector.uncheckedAppend(Pointer(new int(2))); | |
| 573 vector.insert(2, Pointer(new int(3))); | |
| 574 vector.push_front(Pointer(new int(0))); | |
| 575 | |
| 576 ASSERT_EQ(4u, vector.size()); | |
| 577 EXPECT_EQ(0, *vector[0]); | |
| 578 EXPECT_EQ(1, *vector[1]); | |
| 579 EXPECT_EQ(2, *vector[2]); | |
| 580 EXPECT_EQ(3, *vector[3]); | |
| 581 | |
| 582 vector.shrink(3); | |
| 583 EXPECT_EQ(3u, vector.size()); | |
| 584 vector.grow(4); | |
| 585 ASSERT_EQ(4u, vector.size()); | |
| 586 EXPECT_TRUE(!vector[3]); | |
| 587 vector.erase(3); | |
| 588 vector[0] = Pointer(new int(-1)); | |
| 589 ASSERT_EQ(3u, vector.size()); | |
| 590 EXPECT_EQ(-1, *vector[0]); | |
| 591 } | |
| 592 | |
| 593 bool isOneTwoThree(const Vector<int>& vector) { | |
| 594 return vector.size() == 3 && vector[0] == 1 && vector[1] == 2 && | |
| 595 vector[2] == 3; | |
| 596 } | |
| 597 | |
| 598 Vector<int> returnOneTwoThree() { | |
| 599 return {1, 2, 3}; | |
| 600 } | |
| 601 | |
| 602 TEST(VectorTest, InitializerList) { | |
| 603 Vector<int> empty({}); | |
| 604 EXPECT_TRUE(empty.isEmpty()); | |
| 605 | |
| 606 Vector<int> one({1}); | |
| 607 ASSERT_EQ(1u, one.size()); | |
| 608 EXPECT_EQ(1, one[0]); | |
| 609 | |
| 610 Vector<int> oneTwoThree({1, 2, 3}); | |
| 611 ASSERT_EQ(3u, oneTwoThree.size()); | |
| 612 EXPECT_EQ(1, oneTwoThree[0]); | |
| 613 EXPECT_EQ(2, oneTwoThree[1]); | |
| 614 EXPECT_EQ(3, oneTwoThree[2]); | |
| 615 | |
| 616 // Put some jank so we can check if the assignments later can clear them. | |
| 617 empty.push_back(9999); | |
| 618 one.push_back(9999); | |
| 619 oneTwoThree.push_back(9999); | |
| 620 | |
| 621 empty = {}; | |
| 622 EXPECT_TRUE(empty.isEmpty()); | |
| 623 | |
| 624 one = {1}; | |
| 625 ASSERT_EQ(1u, one.size()); | |
| 626 EXPECT_EQ(1, one[0]); | |
| 627 | |
| 628 oneTwoThree = {1, 2, 3}; | |
| 629 ASSERT_EQ(3u, oneTwoThree.size()); | |
| 630 EXPECT_EQ(1, oneTwoThree[0]); | |
| 631 EXPECT_EQ(2, oneTwoThree[1]); | |
| 632 EXPECT_EQ(3, oneTwoThree[2]); | |
| 633 | |
| 634 // Other ways of construction: as a function parameter and in a return | |
| 635 // statement. | |
| 636 EXPECT_TRUE(isOneTwoThree({1, 2, 3})); | |
| 637 EXPECT_TRUE(isOneTwoThree(returnOneTwoThree())); | |
| 638 | |
| 639 // The tests below correspond to the cases in the "if" branch in | |
| 640 // operator=(std::initializer_list<T>). | |
| 641 | |
| 642 // Shrinking. | |
| 643 Vector<int, 1> vector1(3); // capacity = 3. | |
| 644 vector1 = {1, 2}; | |
| 645 ASSERT_EQ(2u, vector1.size()); | |
| 646 EXPECT_EQ(1, vector1[0]); | |
| 647 EXPECT_EQ(2, vector1[1]); | |
| 648 | |
| 649 // Expanding. | |
| 650 Vector<int, 1> vector2(3); | |
| 651 vector2 = {1, 2, 3, 4}; | |
| 652 ASSERT_EQ(4u, vector2.size()); | |
| 653 EXPECT_EQ(1, vector2[0]); | |
| 654 EXPECT_EQ(2, vector2[1]); | |
| 655 EXPECT_EQ(3, vector2[2]); | |
| 656 EXPECT_EQ(4, vector2[3]); | |
| 657 | |
| 658 // Exact match. | |
| 659 Vector<int, 1> vector3(3); | |
| 660 vector3 = {1, 2, 3}; | |
| 661 ASSERT_EQ(3u, vector3.size()); | |
| 662 EXPECT_EQ(1, vector3[0]); | |
| 663 EXPECT_EQ(2, vector3[1]); | |
| 664 EXPECT_EQ(3, vector3[2]); | |
| 665 } | |
| 666 | |
| 667 TEST(VectorTest, Optional) { | |
| 668 Optional<Vector<int>> vector; | |
| 669 EXPECT_FALSE(vector); | |
| 670 vector.emplace(3); | |
| 671 EXPECT_TRUE(vector); | |
| 672 EXPECT_EQ(3u, vector->size()); | |
| 673 } | |
| 674 | |
| 675 TEST(VectorTest, emplace_back) { | |
| 676 struct Item { | |
| 677 Item() = default; | |
| 678 explicit Item(int value1) : value1(value1), value2() {} | |
| 679 Item(int value1, int value2) : value1(value1), value2(value2) {} | |
| 680 int value1; | |
| 681 int value2; | |
| 682 }; | |
| 683 | |
| 684 Vector<Item> vector; | |
| 685 vector.emplace_back(1, 2); | |
| 686 vector.emplace_back(3, 4); | |
| 687 vector.emplace_back(5); | |
| 688 vector.emplace_back(); | |
| 689 | |
| 690 EXPECT_EQ(4u, vector.size()); | |
| 691 | |
| 692 EXPECT_EQ(1, vector[0].value1); | |
| 693 EXPECT_EQ(2, vector[0].value2); | |
| 694 | |
| 695 EXPECT_EQ(3, vector[1].value1); | |
| 696 EXPECT_EQ(4, vector[1].value2); | |
| 697 | |
| 698 EXPECT_EQ(5, vector[2].value1); | |
| 699 EXPECT_EQ(0, vector[2].value2); | |
| 700 | |
| 701 EXPECT_EQ(0, vector[3].value1); | |
| 702 EXPECT_EQ(0, vector[3].value2); | |
| 703 | |
| 704 // Test returned value. | |
| 705 Item& item = vector.emplace_back(6, 7); | |
| 706 EXPECT_EQ(6, item.value1); | |
| 707 EXPECT_EQ(7, item.value2); | |
| 708 } | |
| 709 | |
| 710 static_assert(VectorTraits<int>::canCopyWithMemcpy, | |
| 711 "int should be copied with memcopy."); | |
| 712 static_assert(VectorTraits<char>::canCopyWithMemcpy, | |
| 713 "char should be copied with memcpy."); | |
| 714 static_assert(VectorTraits<LChar>::canCopyWithMemcpy, | |
| 715 "LChar should be copied with memcpy."); | |
| 716 static_assert(VectorTraits<UChar>::canCopyWithMemcpy, | |
| 717 "UChar should be copied with memcpy."); | |
| 718 | |
| 719 class UnknownType; | |
| 720 static_assert(VectorTraits<UnknownType*>::canCopyWithMemcpy, | |
| 721 "Pointers should be copied with memcpy."); | |
| 722 | |
| 723 } // anonymous namespace | |
| 724 | |
| 725 } // namespace WTF | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2787293002:
Reland: Move wtf_unittests to platform/wtf/. (Closed)
