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| 1 /* | |
| 2 * Copyright (C) 2012 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/HashSet.h" | |
| 27 | |
| 28 #include "testing/gtest/include/gtest/gtest.h" | |
| 29 #include "wtf/PtrUtil.h" | |
| 30 #include "wtf/RefCounted.h" | |
| 31 #include <memory> | |
| 32 | |
| 33 namespace WTF { | |
| 34 | |
| 35 namespace { | |
| 36 | |
| 37 template <unsigned size> | |
| 38 void testReserveCapacity(); | |
| 39 template <> | |
| 40 void testReserveCapacity<0>() {} | |
| 41 template <unsigned size> | |
| 42 void testReserveCapacity() { | |
| 43 HashSet<int> testSet; | |
| 44 | |
| 45 // Initial capacity is zero. | |
| 46 EXPECT_EQ(0UL, testSet.capacity()); | |
| 47 | |
| 48 testSet.reserveCapacityForSize(size); | |
| 49 const unsigned initialCapacity = testSet.capacity(); | |
| 50 const unsigned minimumTableSize = HashTraits<int>::minimumTableSize; | |
| 51 | |
| 52 // reserveCapacityForSize should respect minimumTableSize. | |
| 53 EXPECT_GE(initialCapacity, minimumTableSize); | |
| 54 | |
| 55 // Adding items up to size should never change the capacity. | |
| 56 for (size_t i = 0; i < size; ++i) { | |
| 57 testSet.insert(i + 1); // Avoid adding '0'. | |
| 58 EXPECT_EQ(initialCapacity, testSet.capacity()); | |
| 59 } | |
| 60 | |
| 61 // Adding items up to less than half the capacity should not change the | |
| 62 // capacity. | |
| 63 unsigned capacityLimit = initialCapacity / 2 - 1; | |
| 64 for (size_t i = size; i < capacityLimit; ++i) { | |
| 65 testSet.insert(i + 1); | |
| 66 EXPECT_EQ(initialCapacity, testSet.capacity()); | |
| 67 } | |
| 68 | |
| 69 // Adding one more item increases the capacity. | |
| 70 testSet.insert(capacityLimit + 1); | |
| 71 EXPECT_GT(testSet.capacity(), initialCapacity); | |
| 72 | |
| 73 testReserveCapacity<size - 1>(); | |
| 74 } | |
| 75 | |
| 76 TEST(HashSetTest, ReserveCapacity) { | |
| 77 testReserveCapacity<128>(); | |
| 78 } | |
| 79 | |
| 80 struct Dummy { | |
| 81 Dummy(bool& deleted) : deleted(deleted) {} | |
| 82 | |
| 83 ~Dummy() { deleted = true; } | |
| 84 | |
| 85 bool& deleted; | |
| 86 }; | |
| 87 | |
| 88 TEST(HashSetTest, HashSetOwnPtr) { | |
| 89 bool deleted1 = false, deleted2 = false; | |
| 90 | |
| 91 typedef HashSet<std::unique_ptr<Dummy>> OwnPtrSet; | |
| 92 OwnPtrSet set; | |
| 93 | |
| 94 Dummy* ptr1 = new Dummy(deleted1); | |
| 95 { | |
| 96 // AddResult in a separate scope to avoid assertion hit, | |
| 97 // since we modify the container further. | |
| 98 HashSet<std::unique_ptr<Dummy>>::AddResult res1 = | |
| 99 set.insert(WTF::wrapUnique(ptr1)); | |
| 100 EXPECT_EQ(ptr1, res1.storedValue->get()); | |
| 101 } | |
| 102 | |
| 103 EXPECT_FALSE(deleted1); | |
| 104 EXPECT_EQ(1UL, set.size()); | |
| 105 OwnPtrSet::iterator it1 = set.find(ptr1); | |
| 106 EXPECT_NE(set.end(), it1); | |
| 107 EXPECT_EQ(ptr1, (*it1).get()); | |
| 108 | |
| 109 Dummy* ptr2 = new Dummy(deleted2); | |
| 110 { | |
| 111 HashSet<std::unique_ptr<Dummy>>::AddResult res2 = | |
| 112 set.insert(WTF::wrapUnique(ptr2)); | |
| 113 EXPECT_EQ(res2.storedValue->get(), ptr2); | |
| 114 } | |
| 115 | |
| 116 EXPECT_FALSE(deleted2); | |
| 117 EXPECT_EQ(2UL, set.size()); | |
| 118 OwnPtrSet::iterator it2 = set.find(ptr2); | |
| 119 EXPECT_NE(set.end(), it2); | |
| 120 EXPECT_EQ(ptr2, (*it2).get()); | |
| 121 | |
| 122 set.erase(ptr1); | |
| 123 EXPECT_TRUE(deleted1); | |
| 124 | |
| 125 set.clear(); | |
| 126 EXPECT_TRUE(deleted2); | |
| 127 EXPECT_TRUE(set.isEmpty()); | |
| 128 | |
| 129 deleted1 = false; | |
| 130 deleted2 = false; | |
| 131 { | |
| 132 OwnPtrSet set; | |
| 133 set.insert(WTF::makeUnique<Dummy>(deleted1)); | |
| 134 set.insert(WTF::makeUnique<Dummy>(deleted2)); | |
| 135 } | |
| 136 EXPECT_TRUE(deleted1); | |
| 137 EXPECT_TRUE(deleted2); | |
| 138 | |
| 139 deleted1 = false; | |
| 140 deleted2 = false; | |
| 141 std::unique_ptr<Dummy> ownPtr1; | |
| 142 std::unique_ptr<Dummy> ownPtr2; | |
| 143 ptr1 = new Dummy(deleted1); | |
| 144 ptr2 = new Dummy(deleted2); | |
| 145 { | |
| 146 OwnPtrSet set; | |
| 147 set.insert(WTF::wrapUnique(ptr1)); | |
| 148 set.insert(WTF::wrapUnique(ptr2)); | |
| 149 ownPtr1 = set.take(ptr1); | |
| 150 EXPECT_EQ(1UL, set.size()); | |
| 151 ownPtr2 = set.takeAny(); | |
| 152 EXPECT_TRUE(set.isEmpty()); | |
| 153 } | |
| 154 EXPECT_FALSE(deleted1); | |
| 155 EXPECT_FALSE(deleted2); | |
| 156 | |
| 157 EXPECT_EQ(ptr1, ownPtr1.get()); | |
| 158 EXPECT_EQ(ptr2, ownPtr2.get()); | |
| 159 } | |
| 160 | |
| 161 class DummyRefCounted : public RefCounted<DummyRefCounted> { | |
| 162 public: | |
| 163 DummyRefCounted(bool& isDeleted) : m_isDeleted(isDeleted) { | |
| 164 m_isDeleted = false; | |
| 165 } | |
| 166 ~DummyRefCounted() { m_isDeleted = true; } | |
| 167 | |
| 168 void ref() { | |
| 169 WTF::RefCounted<DummyRefCounted>::ref(); | |
| 170 ++s_refInvokesCount; | |
| 171 } | |
| 172 | |
| 173 static int s_refInvokesCount; | |
| 174 | |
| 175 private: | |
| 176 bool& m_isDeleted; | |
| 177 }; | |
| 178 | |
| 179 int DummyRefCounted::s_refInvokesCount = 0; | |
| 180 | |
| 181 TEST(HashSetTest, HashSetRefPtr) { | |
| 182 bool isDeleted = false; | |
| 183 RefPtr<DummyRefCounted> ptr = adoptRef(new DummyRefCounted(isDeleted)); | |
| 184 EXPECT_EQ(0, DummyRefCounted::s_refInvokesCount); | |
| 185 HashSet<RefPtr<DummyRefCounted>> set; | |
| 186 set.insert(ptr); | |
| 187 // Referenced only once (to store a copy in the container). | |
| 188 EXPECT_EQ(1, DummyRefCounted::s_refInvokesCount); | |
| 189 | |
| 190 DummyRefCounted* rawPtr = ptr.get(); | |
| 191 | |
| 192 EXPECT_TRUE(set.contains(rawPtr)); | |
| 193 EXPECT_NE(set.end(), set.find(rawPtr)); | |
| 194 EXPECT_TRUE(set.contains(ptr)); | |
| 195 EXPECT_NE(set.end(), set.find(ptr)); | |
| 196 | |
| 197 ptr.clear(); | |
| 198 EXPECT_FALSE(isDeleted); | |
| 199 | |
| 200 set.erase(rawPtr); | |
| 201 EXPECT_TRUE(isDeleted); | |
| 202 EXPECT_TRUE(set.isEmpty()); | |
| 203 EXPECT_EQ(1, DummyRefCounted::s_refInvokesCount); | |
| 204 } | |
| 205 | |
| 206 class CountCopy final { | |
| 207 public: | |
| 208 static int* const kDeletedValue; | |
| 209 | |
| 210 explicit CountCopy(int* counter = nullptr) : m_counter(counter) {} | |
| 211 CountCopy(const CountCopy& other) : m_counter(other.m_counter) { | |
| 212 if (m_counter && m_counter != kDeletedValue) | |
| 213 ++*m_counter; | |
| 214 } | |
| 215 CountCopy& operator=(const CountCopy& other) { | |
| 216 m_counter = other.m_counter; | |
| 217 if (m_counter && m_counter != kDeletedValue) | |
| 218 ++*m_counter; | |
| 219 return *this; | |
| 220 } | |
| 221 const int* counter() const { return m_counter; } | |
| 222 | |
| 223 private: | |
| 224 int* m_counter; | |
| 225 }; | |
| 226 | |
| 227 int* const CountCopy::kDeletedValue = | |
| 228 reinterpret_cast<int*>(static_cast<uintptr_t>(-1)); | |
| 229 | |
| 230 struct CountCopyHashTraits : public GenericHashTraits<CountCopy> { | |
| 231 static const bool emptyValueIsZero = false; | |
| 232 static const bool hasIsEmptyValueFunction = true; | |
| 233 static bool isEmptyValue(const CountCopy& value) { return !value.counter(); } | |
| 234 static void constructDeletedValue(CountCopy& slot, bool) { | |
| 235 slot = CountCopy(CountCopy::kDeletedValue); | |
| 236 } | |
| 237 static bool isDeletedValue(const CountCopy& value) { | |
| 238 return value.counter() == CountCopy::kDeletedValue; | |
| 239 } | |
| 240 }; | |
| 241 | |
| 242 struct CountCopyHash : public PtrHash<const int*> { | |
| 243 static unsigned hash(const CountCopy& value) { | |
| 244 return PtrHash<const int>::hash(value.counter()); | |
| 245 } | |
| 246 static bool equal(const CountCopy& left, const CountCopy& right) { | |
| 247 return PtrHash<const int>::equal(left.counter(), right.counter()); | |
| 248 } | |
| 249 static const bool safeToCompareToEmptyOrDeleted = true; | |
| 250 }; | |
| 251 | |
| 252 } // anonymous namespace | |
| 253 | |
| 254 template <> | |
| 255 struct HashTraits<CountCopy> : public CountCopyHashTraits {}; | |
| 256 | |
| 257 template <> | |
| 258 struct DefaultHash<CountCopy> { | |
| 259 using Hash = CountCopyHash; | |
| 260 }; | |
| 261 | |
| 262 namespace { | |
| 263 | |
| 264 TEST(HashSetTest, MoveShouldNotMakeCopy) { | |
| 265 HashSet<CountCopy> set; | |
| 266 int counter = 0; | |
| 267 set.insert(CountCopy(&counter)); | |
| 268 | |
| 269 HashSet<CountCopy> other(set); | |
| 270 counter = 0; | |
| 271 set = std::move(other); | |
| 272 EXPECT_EQ(0, counter); | |
| 273 | |
| 274 counter = 0; | |
| 275 HashSet<CountCopy> yetAnother(std::move(set)); | |
| 276 EXPECT_EQ(0, counter); | |
| 277 } | |
| 278 | |
| 279 class MoveOnly { | |
| 280 public: | |
| 281 // kEmpty and kDeleted have special meanings when MoveOnly is used as the key | |
| 282 // of a hash table. | |
| 283 enum { kEmpty = 0, kDeleted = -1, kMovedOut = -2 }; | |
| 284 | |
| 285 explicit MoveOnly(int value = kEmpty, int id = 0) | |
| 286 : m_value(value), m_id(id) {} | |
| 287 MoveOnly(MoveOnly&& other) : m_value(other.m_value), m_id(other.m_id) { | |
| 288 other.m_value = kMovedOut; | |
| 289 other.m_id = 0; | |
| 290 } | |
| 291 MoveOnly& operator=(MoveOnly&& other) { | |
| 292 m_value = other.m_value; | |
| 293 m_id = other.m_id; | |
| 294 other.m_value = kMovedOut; | |
| 295 other.m_id = 0; | |
| 296 return *this; | |
| 297 } | |
| 298 | |
| 299 int value() const { return m_value; } | |
| 300 // id() is used for distinguishing MoveOnlys with the same value(). | |
| 301 int id() const { return m_id; } | |
| 302 | |
| 303 private: | |
| 304 MoveOnly(const MoveOnly&) = delete; | |
| 305 MoveOnly& operator=(const MoveOnly&) = delete; | |
| 306 | |
| 307 int m_value; | |
| 308 int m_id; | |
| 309 }; | |
| 310 | |
| 311 struct MoveOnlyHashTraits : public GenericHashTraits<MoveOnly> { | |
| 312 // This is actually true, but we pretend that it's false to disable the | |
| 313 // optimization. | |
| 314 static const bool emptyValueIsZero = false; | |
| 315 | |
| 316 static const bool hasIsEmptyValueFunction = true; | |
| 317 static bool isEmptyValue(const MoveOnly& value) { | |
| 318 return value.value() == MoveOnly::kEmpty; | |
| 319 } | |
| 320 static void constructDeletedValue(MoveOnly& slot, bool) { | |
| 321 slot = MoveOnly(MoveOnly::kDeleted); | |
| 322 } | |
| 323 static bool isDeletedValue(const MoveOnly& value) { | |
| 324 return value.value() == MoveOnly::kDeleted; | |
| 325 } | |
| 326 }; | |
| 327 | |
| 328 struct MoveOnlyHash { | |
| 329 static unsigned hash(const MoveOnly& value) { | |
| 330 return DefaultHash<int>::Hash::hash(value.value()); | |
| 331 } | |
| 332 static bool equal(const MoveOnly& left, const MoveOnly& right) { | |
| 333 return DefaultHash<int>::Hash::equal(left.value(), right.value()); | |
| 334 } | |
| 335 static const bool safeToCompareToEmptyOrDeleted = true; | |
| 336 }; | |
| 337 | |
| 338 } // anonymous namespace | |
| 339 | |
| 340 template <> | |
| 341 struct HashTraits<MoveOnly> : public MoveOnlyHashTraits {}; | |
| 342 | |
| 343 template <> | |
| 344 struct DefaultHash<MoveOnly> { | |
| 345 using Hash = MoveOnlyHash; | |
| 346 }; | |
| 347 | |
| 348 namespace { | |
| 349 | |
| 350 TEST(HashSetTest, MoveOnlyValue) { | |
| 351 using TheSet = HashSet<MoveOnly>; | |
| 352 TheSet set; | |
| 353 { | |
| 354 TheSet::AddResult addResult = set.insert(MoveOnly(1, 1)); | |
| 355 EXPECT_TRUE(addResult.isNewEntry); | |
| 356 EXPECT_EQ(1, addResult.storedValue->value()); | |
| 357 EXPECT_EQ(1, addResult.storedValue->id()); | |
| 358 } | |
| 359 auto iter = set.find(MoveOnly(1)); | |
| 360 ASSERT_TRUE(iter != set.end()); | |
| 361 EXPECT_EQ(1, iter->value()); | |
| 362 | |
| 363 iter = set.find(MoveOnly(2)); | |
| 364 EXPECT_TRUE(iter == set.end()); | |
| 365 | |
| 366 for (int i = 2; i < 32; ++i) { | |
| 367 TheSet::AddResult addResult = set.insert(MoveOnly(i, i)); | |
| 368 EXPECT_TRUE(addResult.isNewEntry); | |
| 369 EXPECT_EQ(i, addResult.storedValue->value()); | |
| 370 EXPECT_EQ(i, addResult.storedValue->id()); | |
| 371 } | |
| 372 | |
| 373 iter = set.find(MoveOnly(1)); | |
| 374 ASSERT_TRUE(iter != set.end()); | |
| 375 EXPECT_EQ(1, iter->value()); | |
| 376 EXPECT_EQ(1, iter->id()); | |
| 377 | |
| 378 iter = set.find(MoveOnly(7)); | |
| 379 ASSERT_TRUE(iter != set.end()); | |
| 380 EXPECT_EQ(7, iter->value()); | |
| 381 EXPECT_EQ(7, iter->id()); | |
| 382 | |
| 383 { | |
| 384 TheSet::AddResult addResult = | |
| 385 set.insert(MoveOnly(7, 777)); // With different ID for identification. | |
| 386 EXPECT_FALSE(addResult.isNewEntry); | |
| 387 EXPECT_EQ(7, addResult.storedValue->value()); | |
| 388 EXPECT_EQ(7, addResult.storedValue->id()); | |
| 389 } | |
| 390 | |
| 391 set.erase(MoveOnly(11)); | |
| 392 iter = set.find(MoveOnly(11)); | |
| 393 EXPECT_TRUE(iter == set.end()); | |
| 394 | |
| 395 MoveOnly thirteen(set.take(MoveOnly(13))); | |
| 396 EXPECT_EQ(13, thirteen.value()); | |
| 397 EXPECT_EQ(13, thirteen.id()); | |
| 398 iter = set.find(MoveOnly(13)); | |
| 399 EXPECT_TRUE(iter == set.end()); | |
| 400 | |
| 401 set.clear(); | |
| 402 } | |
| 403 | |
| 404 TEST(HashSetTest, UniquePtr) { | |
| 405 using Pointer = std::unique_ptr<int>; | |
| 406 using Set = HashSet<Pointer>; | |
| 407 Set set; | |
| 408 int* onePointer = new int(1); | |
| 409 { | |
| 410 Set::AddResult addResult = set.insert(Pointer(onePointer)); | |
| 411 EXPECT_TRUE(addResult.isNewEntry); | |
| 412 EXPECT_EQ(onePointer, addResult.storedValue->get()); | |
| 413 EXPECT_EQ(1, **addResult.storedValue); | |
| 414 } | |
| 415 auto iter = set.find(onePointer); | |
| 416 ASSERT_TRUE(iter != set.end()); | |
| 417 EXPECT_EQ(onePointer, iter->get()); | |
| 418 | |
| 419 Pointer nonexistent(new int(42)); | |
| 420 iter = set.find(nonexistent.get()); | |
| 421 EXPECT_TRUE(iter == set.end()); | |
| 422 | |
| 423 // Insert more to cause a rehash. | |
| 424 for (int i = 2; i < 32; ++i) { | |
| 425 Set::AddResult addResult = set.insert(Pointer(new int(i))); | |
| 426 EXPECT_TRUE(addResult.isNewEntry); | |
| 427 EXPECT_EQ(i, **addResult.storedValue); | |
| 428 } | |
| 429 | |
| 430 iter = set.find(onePointer); | |
| 431 ASSERT_TRUE(iter != set.end()); | |
| 432 EXPECT_EQ(onePointer, iter->get()); | |
| 433 | |
| 434 Pointer one(set.take(onePointer)); | |
| 435 ASSERT_TRUE(one); | |
| 436 EXPECT_EQ(onePointer, one.get()); | |
| 437 | |
| 438 Pointer empty(set.take(nonexistent.get())); | |
| 439 EXPECT_TRUE(!empty); | |
| 440 | |
| 441 iter = set.find(onePointer); | |
| 442 EXPECT_TRUE(iter == set.end()); | |
| 443 | |
| 444 // Re-insert to the deleted slot. | |
| 445 { | |
| 446 Set::AddResult addResult = set.insert(std::move(one)); | |
| 447 EXPECT_TRUE(addResult.isNewEntry); | |
| 448 EXPECT_EQ(onePointer, addResult.storedValue->get()); | |
| 449 EXPECT_EQ(1, **addResult.storedValue); | |
| 450 } | |
| 451 } | |
| 452 | |
| 453 bool isOneTwoThree(const HashSet<int>& set) { | |
| 454 return set.size() == 3 && set.contains(1) && set.contains(2) && | |
| 455 set.contains(3); | |
| 456 } | |
| 457 | |
| 458 HashSet<int> returnOneTwoThree() { | |
| 459 return {1, 2, 3}; | |
| 460 } | |
| 461 | |
| 462 TEST(HashSetTest, InitializerList) { | |
| 463 HashSet<int> empty({}); | |
| 464 EXPECT_TRUE(empty.isEmpty()); | |
| 465 | |
| 466 HashSet<int> one({1}); | |
| 467 EXPECT_EQ(1u, one.size()); | |
| 468 EXPECT_TRUE(one.contains(1)); | |
| 469 | |
| 470 HashSet<int> oneTwoThree({1, 2, 3}); | |
| 471 EXPECT_EQ(3u, oneTwoThree.size()); | |
| 472 EXPECT_TRUE(oneTwoThree.contains(1)); | |
| 473 EXPECT_TRUE(oneTwoThree.contains(2)); | |
| 474 EXPECT_TRUE(oneTwoThree.contains(3)); | |
| 475 | |
| 476 // Put some jank so we can check if the assignments later can clear them. | |
| 477 empty.insert(9999); | |
| 478 one.insert(9999); | |
| 479 oneTwoThree.insert(9999); | |
| 480 | |
| 481 empty = {}; | |
| 482 EXPECT_TRUE(empty.isEmpty()); | |
| 483 | |
| 484 one = {1}; | |
| 485 EXPECT_EQ(1u, one.size()); | |
| 486 EXPECT_TRUE(one.contains(1)); | |
| 487 | |
| 488 oneTwoThree = {1, 2, 3}; | |
| 489 EXPECT_EQ(3u, oneTwoThree.size()); | |
| 490 EXPECT_TRUE(oneTwoThree.contains(1)); | |
| 491 EXPECT_TRUE(oneTwoThree.contains(2)); | |
| 492 EXPECT_TRUE(oneTwoThree.contains(3)); | |
| 493 | |
| 494 oneTwoThree = {3, 1, 1, 2, 1, 1, 3}; | |
| 495 EXPECT_EQ(3u, oneTwoThree.size()); | |
| 496 EXPECT_TRUE(oneTwoThree.contains(1)); | |
| 497 EXPECT_TRUE(oneTwoThree.contains(2)); | |
| 498 EXPECT_TRUE(oneTwoThree.contains(3)); | |
| 499 | |
| 500 // Other ways of construction: as a function parameter and in a return | |
| 501 // statement. | |
| 502 EXPECT_TRUE(isOneTwoThree({1, 2, 3})); | |
| 503 EXPECT_TRUE(isOneTwoThree(returnOneTwoThree())); | |
| 504 } | |
| 505 | |
| 506 } // anonymous namespace | |
| 507 | |
| 508 } // namespace WTF | |
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