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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/memory/ref_counted.h" | |
| 6 | |
| 7 #include "base/test/opaque_ref_counted.h" | |
| 8 #include "testing/gtest/include/gtest/gtest.h" | |
| 9 | |
| 10 namespace { | |
| 11 | |
| 12 class SelfAssign : public base::RefCounted<SelfAssign> { | |
| 13 protected: | |
| 14 virtual ~SelfAssign() {} | |
| 15 | |
| 16 private: | |
| 17 friend class base::RefCounted<SelfAssign>; | |
| 18 }; | |
| 19 | |
| 20 class Derived : public SelfAssign { | |
| 21 protected: | |
| 22 ~Derived() override {} | |
| 23 | |
| 24 private: | |
| 25 friend class base::RefCounted<Derived>; | |
| 26 }; | |
| 27 | |
| 28 class CheckDerivedMemberAccess : public scoped_refptr<SelfAssign> { | |
| 29 public: | |
| 30 CheckDerivedMemberAccess() { | |
| 31 // This shouldn't compile if we don't have access to the member variable. | |
| 32 SelfAssign** pptr = &ptr_; | |
| 33 EXPECT_EQ(*pptr, ptr_); | |
| 34 } | |
| 35 }; | |
| 36 | |
| 37 class ScopedRefPtrToSelf : public base::RefCounted<ScopedRefPtrToSelf> { | |
| 38 public: | |
| 39 ScopedRefPtrToSelf() : self_ptr_(this) {} | |
| 40 | |
| 41 static bool was_destroyed() { return was_destroyed_; } | |
| 42 | |
| 43 static void reset_was_destroyed() { was_destroyed_ = false; } | |
| 44 | |
| 45 scoped_refptr<ScopedRefPtrToSelf> self_ptr_; | |
| 46 | |
| 47 private: | |
| 48 friend class base::RefCounted<ScopedRefPtrToSelf>; | |
| 49 ~ScopedRefPtrToSelf() { was_destroyed_ = true; } | |
| 50 | |
| 51 static bool was_destroyed_; | |
| 52 }; | |
| 53 | |
| 54 bool ScopedRefPtrToSelf::was_destroyed_ = false; | |
| 55 | |
| 56 class ScopedRefPtrCountBase : public base::RefCounted<ScopedRefPtrCountBase> { | |
| 57 public: | |
| 58 ScopedRefPtrCountBase() { ++constructor_count_; } | |
| 59 | |
| 60 static int constructor_count() { return constructor_count_; } | |
| 61 | |
| 62 static int destructor_count() { return destructor_count_; } | |
| 63 | |
| 64 static void reset_count() { | |
| 65 constructor_count_ = 0; | |
| 66 destructor_count_ = 0; | |
| 67 } | |
| 68 | |
| 69 protected: | |
| 70 virtual ~ScopedRefPtrCountBase() { ++destructor_count_; } | |
| 71 | |
| 72 private: | |
| 73 friend class base::RefCounted<ScopedRefPtrCountBase>; | |
| 74 | |
| 75 static int constructor_count_; | |
| 76 static int destructor_count_; | |
| 77 }; | |
| 78 | |
| 79 int ScopedRefPtrCountBase::constructor_count_ = 0; | |
| 80 int ScopedRefPtrCountBase::destructor_count_ = 0; | |
| 81 | |
| 82 class ScopedRefPtrCountDerived : public ScopedRefPtrCountBase { | |
| 83 public: | |
| 84 ScopedRefPtrCountDerived() { ++constructor_count_; } | |
| 85 | |
| 86 static int constructor_count() { return constructor_count_; } | |
| 87 | |
| 88 static int destructor_count() { return destructor_count_; } | |
| 89 | |
| 90 static void reset_count() { | |
| 91 constructor_count_ = 0; | |
| 92 destructor_count_ = 0; | |
| 93 } | |
| 94 | |
| 95 protected: | |
| 96 ~ScopedRefPtrCountDerived() override { ++destructor_count_; } | |
| 97 | |
| 98 private: | |
| 99 friend class base::RefCounted<ScopedRefPtrCountDerived>; | |
| 100 | |
| 101 static int constructor_count_; | |
| 102 static int destructor_count_; | |
| 103 }; | |
| 104 | |
| 105 int ScopedRefPtrCountDerived::constructor_count_ = 0; | |
| 106 int ScopedRefPtrCountDerived::destructor_count_ = 0; | |
| 107 | |
| 108 } // end namespace | |
| 109 | |
| 110 TEST(RefCountedUnitTest, TestSelfAssignment) { | |
| 111 SelfAssign* p = new SelfAssign; | |
| 112 scoped_refptr<SelfAssign> var(p); | |
| 113 var = var; | |
| 114 EXPECT_EQ(var.get(), p); | |
| 115 } | |
| 116 | |
| 117 TEST(RefCountedUnitTest, ScopedRefPtrMemberAccess) { | |
| 118 CheckDerivedMemberAccess check; | |
| 119 } | |
| 120 | |
| 121 TEST(RefCountedUnitTest, ScopedRefPtrToSelfPointerAssignment) { | |
| 122 ScopedRefPtrToSelf::reset_was_destroyed(); | |
| 123 | |
| 124 ScopedRefPtrToSelf* check = new ScopedRefPtrToSelf(); | |
| 125 EXPECT_FALSE(ScopedRefPtrToSelf::was_destroyed()); | |
| 126 check->self_ptr_ = nullptr; | |
| 127 EXPECT_TRUE(ScopedRefPtrToSelf::was_destroyed()); | |
| 128 } | |
| 129 | |
| 130 TEST(RefCountedUnitTest, ScopedRefPtrToSelfMoveAssignment) { | |
| 131 ScopedRefPtrToSelf::reset_was_destroyed(); | |
| 132 | |
| 133 ScopedRefPtrToSelf* check = new ScopedRefPtrToSelf(); | |
| 134 EXPECT_FALSE(ScopedRefPtrToSelf::was_destroyed()); | |
| 135 // Releasing |check->self_ptr_| will delete |check|. | |
| 136 // The move assignment operator must assign |check->self_ptr_| first then | |
| 137 // release |check->self_ptr_|. | |
| 138 check->self_ptr_ = scoped_refptr<ScopedRefPtrToSelf>(); | |
| 139 EXPECT_TRUE(ScopedRefPtrToSelf::was_destroyed()); | |
| 140 } | |
| 141 | |
| 142 TEST(RefCountedUnitTest, ScopedRefPtrToOpaque) { | |
| 143 scoped_refptr<base::OpaqueRefCounted> p = base::MakeOpaqueRefCounted(); | |
| 144 base::TestOpaqueRefCounted(p); | |
| 145 | |
| 146 scoped_refptr<base::OpaqueRefCounted> q; | |
| 147 q = p; | |
| 148 base::TestOpaqueRefCounted(p); | |
| 149 base::TestOpaqueRefCounted(q); | |
| 150 } | |
| 151 | |
| 152 TEST(RefCountedUnitTest, BooleanTesting) { | |
| 153 scoped_refptr<SelfAssign> p; | |
| 154 EXPECT_FALSE(p); | |
| 155 p = new SelfAssign; | |
| 156 EXPECT_TRUE(p); | |
| 157 } | |
| 158 | |
| 159 TEST(RefCountedUnitTest, Equality) { | |
| 160 scoped_refptr<SelfAssign> p1(new SelfAssign); | |
| 161 scoped_refptr<SelfAssign> p2(new SelfAssign); | |
| 162 | |
| 163 EXPECT_EQ(p1, p1); | |
| 164 EXPECT_EQ(p2, p2); | |
| 165 | |
| 166 EXPECT_NE(p1, p2); | |
| 167 EXPECT_NE(p2, p1); | |
| 168 } | |
| 169 | |
| 170 TEST(RefCountedUnitTest, ConvertibleEquality) { | |
| 171 scoped_refptr<Derived> p1(new Derived); | |
| 172 scoped_refptr<SelfAssign> p2; | |
| 173 | |
| 174 EXPECT_NE(p1, p2); | |
| 175 EXPECT_NE(p2, p1); | |
| 176 | |
| 177 p2 = p1; | |
| 178 | |
| 179 EXPECT_EQ(p1, p2); | |
| 180 EXPECT_EQ(p2, p1); | |
| 181 } | |
| 182 | |
| 183 TEST(RefCountedUnitTest, SelfMoveAssignment) { | |
| 184 ScopedRefPtrCountBase::reset_count(); | |
| 185 | |
| 186 { | |
| 187 ScopedRefPtrCountBase *raw = new ScopedRefPtrCountBase(); | |
| 188 scoped_refptr<ScopedRefPtrCountBase> p(raw); | |
| 189 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 190 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 191 | |
| 192 p = p.Pass(); | |
| 193 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 194 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 195 EXPECT_EQ(raw, p.get()); | |
| 196 | |
| 197 // p goes out of scope. | |
| 198 } | |
| 199 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 200 EXPECT_EQ(1, ScopedRefPtrCountBase::destructor_count()); | |
| 201 } | |
| 202 | |
| 203 TEST(RefCountedUnitTest, MoveAssignment1) { | |
| 204 ScopedRefPtrCountBase::reset_count(); | |
| 205 | |
| 206 { | |
| 207 ScopedRefPtrCountBase *raw = new ScopedRefPtrCountBase(); | |
| 208 scoped_refptr<ScopedRefPtrCountBase> p1(raw); | |
| 209 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 210 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 211 | |
| 212 { | |
| 213 scoped_refptr<ScopedRefPtrCountBase> p2; | |
| 214 | |
| 215 p2 = p1.Pass(); | |
| 216 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 217 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 218 EXPECT_EQ(nullptr, p1.get()); | |
| 219 EXPECT_EQ(raw, p2.get()); | |
| 220 | |
| 221 // p2 goes out of scope. | |
| 222 } | |
| 223 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 224 EXPECT_EQ(1, ScopedRefPtrCountBase::destructor_count()); | |
| 225 | |
| 226 // p1 goes out of scope. | |
| 227 } | |
| 228 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 229 EXPECT_EQ(1, ScopedRefPtrCountBase::destructor_count()); | |
| 230 } | |
| 231 | |
| 232 TEST(RefCountedUnitTest, MoveAssignment2) { | |
| 233 ScopedRefPtrCountBase::reset_count(); | |
| 234 | |
| 235 { | |
| 236 ScopedRefPtrCountBase *raw = new ScopedRefPtrCountBase(); | |
| 237 scoped_refptr<ScopedRefPtrCountBase> p1; | |
| 238 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 239 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 240 | |
| 241 { | |
| 242 scoped_refptr<ScopedRefPtrCountBase> p2(raw); | |
| 243 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 244 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 245 | |
| 246 p1 = p2.Pass(); | |
| 247 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 248 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 249 EXPECT_EQ(raw, p1.get()); | |
| 250 EXPECT_EQ(nullptr, p2.get()); | |
| 251 | |
| 252 // p2 goes out of scope. | |
| 253 } | |
| 254 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 255 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 256 | |
| 257 // p1 goes out of scope. | |
| 258 } | |
| 259 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 260 EXPECT_EQ(1, ScopedRefPtrCountBase::destructor_count()); | |
| 261 } | |
| 262 | |
| 263 TEST(RefCountedUnitTest, MoveAssignmentSameInstance1) { | |
| 264 ScopedRefPtrCountBase::reset_count(); | |
| 265 | |
| 266 { | |
| 267 ScopedRefPtrCountBase *raw = new ScopedRefPtrCountBase(); | |
| 268 scoped_refptr<ScopedRefPtrCountBase> p1(raw); | |
| 269 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 270 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 271 | |
| 272 { | |
| 273 scoped_refptr<ScopedRefPtrCountBase> p2(p1); | |
| 274 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 275 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 276 | |
| 277 p1 = p2.Pass(); | |
| 278 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 279 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 280 EXPECT_EQ(raw, p1.get()); | |
| 281 EXPECT_EQ(nullptr, p2.get()); | |
| 282 | |
| 283 // p2 goes out of scope. | |
| 284 } | |
| 285 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 286 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 287 | |
| 288 // p1 goes out of scope. | |
| 289 } | |
| 290 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 291 EXPECT_EQ(1, ScopedRefPtrCountBase::destructor_count()); | |
| 292 } | |
| 293 | |
| 294 TEST(RefCountedUnitTest, MoveAssignmentSameInstance2) { | |
| 295 ScopedRefPtrCountBase::reset_count(); | |
| 296 | |
| 297 { | |
| 298 ScopedRefPtrCountBase *raw = new ScopedRefPtrCountBase(); | |
| 299 scoped_refptr<ScopedRefPtrCountBase> p1(raw); | |
| 300 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 301 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 302 | |
| 303 { | |
| 304 scoped_refptr<ScopedRefPtrCountBase> p2(p1); | |
| 305 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 306 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 307 | |
| 308 p2 = p1.Pass(); | |
| 309 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 310 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 311 EXPECT_EQ(nullptr, p1.get()); | |
| 312 EXPECT_EQ(raw, p2.get()); | |
| 313 | |
| 314 // p2 goes out of scope. | |
| 315 } | |
| 316 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 317 EXPECT_EQ(1, ScopedRefPtrCountBase::destructor_count()); | |
| 318 | |
| 319 // p1 goes out of scope. | |
| 320 } | |
| 321 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 322 EXPECT_EQ(1, ScopedRefPtrCountBase::destructor_count()); | |
| 323 } | |
| 324 | |
| 325 TEST(RefCountedUnitTest, MoveAssignmentDifferentInstances) { | |
| 326 ScopedRefPtrCountBase::reset_count(); | |
| 327 | |
| 328 { | |
| 329 ScopedRefPtrCountBase *raw1 = new ScopedRefPtrCountBase(); | |
| 330 scoped_refptr<ScopedRefPtrCountBase> p1(raw1); | |
| 331 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 332 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 333 | |
| 334 { | |
| 335 ScopedRefPtrCountBase *raw2 = new ScopedRefPtrCountBase(); | |
| 336 scoped_refptr<ScopedRefPtrCountBase> p2(raw2); | |
| 337 EXPECT_EQ(2, ScopedRefPtrCountBase::constructor_count()); | |
| 338 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 339 | |
| 340 p1 = p2.Pass(); | |
| 341 EXPECT_EQ(2, ScopedRefPtrCountBase::constructor_count()); | |
| 342 EXPECT_EQ(1, ScopedRefPtrCountBase::destructor_count()); | |
| 343 EXPECT_EQ(raw2, p1.get()); | |
| 344 EXPECT_EQ(nullptr, p2.get()); | |
| 345 | |
| 346 // p2 goes out of scope. | |
| 347 } | |
| 348 EXPECT_EQ(2, ScopedRefPtrCountBase::constructor_count()); | |
| 349 EXPECT_EQ(1, ScopedRefPtrCountBase::destructor_count()); | |
| 350 | |
| 351 // p1 goes out of scope. | |
| 352 } | |
| 353 EXPECT_EQ(2, ScopedRefPtrCountBase::constructor_count()); | |
| 354 EXPECT_EQ(2, ScopedRefPtrCountBase::destructor_count()); | |
| 355 } | |
| 356 | |
| 357 TEST(RefCountedUnitTest, MoveAssignmentDerived) { | |
| 358 ScopedRefPtrCountBase::reset_count(); | |
| 359 ScopedRefPtrCountDerived::reset_count(); | |
| 360 | |
| 361 { | |
| 362 ScopedRefPtrCountBase *raw1 = new ScopedRefPtrCountBase(); | |
| 363 scoped_refptr<ScopedRefPtrCountBase> p1(raw1); | |
| 364 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 365 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 366 EXPECT_EQ(0, ScopedRefPtrCountDerived::constructor_count()); | |
| 367 EXPECT_EQ(0, ScopedRefPtrCountDerived::destructor_count()); | |
| 368 | |
| 369 { | |
| 370 ScopedRefPtrCountDerived *raw2 = new ScopedRefPtrCountDerived(); | |
| 371 scoped_refptr<ScopedRefPtrCountDerived> p2(raw2); | |
| 372 EXPECT_EQ(2, ScopedRefPtrCountBase::constructor_count()); | |
| 373 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 374 EXPECT_EQ(1, ScopedRefPtrCountDerived::constructor_count()); | |
| 375 EXPECT_EQ(0, ScopedRefPtrCountDerived::destructor_count()); | |
| 376 | |
| 377 p1 = p2.Pass(); | |
| 378 EXPECT_EQ(2, ScopedRefPtrCountBase::constructor_count()); | |
| 379 EXPECT_EQ(1, ScopedRefPtrCountBase::destructor_count()); | |
| 380 EXPECT_EQ(1, ScopedRefPtrCountDerived::constructor_count()); | |
| 381 EXPECT_EQ(0, ScopedRefPtrCountDerived::destructor_count()); | |
| 382 EXPECT_EQ(raw2, p1.get()); | |
| 383 EXPECT_EQ(nullptr, p2.get()); | |
| 384 | |
| 385 // p2 goes out of scope. | |
| 386 } | |
| 387 EXPECT_EQ(2, ScopedRefPtrCountBase::constructor_count()); | |
| 388 EXPECT_EQ(1, ScopedRefPtrCountBase::destructor_count()); | |
| 389 EXPECT_EQ(1, ScopedRefPtrCountDerived::constructor_count()); | |
| 390 EXPECT_EQ(0, ScopedRefPtrCountDerived::destructor_count()); | |
| 391 | |
| 392 // p1 goes out of scope. | |
| 393 } | |
| 394 EXPECT_EQ(2, ScopedRefPtrCountBase::constructor_count()); | |
| 395 EXPECT_EQ(2, ScopedRefPtrCountBase::destructor_count()); | |
| 396 EXPECT_EQ(1, ScopedRefPtrCountDerived::constructor_count()); | |
| 397 EXPECT_EQ(1, ScopedRefPtrCountDerived::destructor_count()); | |
| 398 } | |
| 399 | |
| 400 TEST(RefCountedUnitTest, MoveConstructor) { | |
| 401 ScopedRefPtrCountBase::reset_count(); | |
| 402 | |
| 403 { | |
| 404 ScopedRefPtrCountBase *raw = new ScopedRefPtrCountBase(); | |
| 405 scoped_refptr<ScopedRefPtrCountBase> p1(raw); | |
| 406 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 407 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 408 | |
| 409 { | |
| 410 scoped_refptr<ScopedRefPtrCountBase> p2(p1.Pass()); | |
| 411 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 412 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 413 EXPECT_EQ(nullptr, p1.get()); | |
| 414 EXPECT_EQ(raw, p2.get()); | |
| 415 | |
| 416 // p2 goes out of scope. | |
| 417 } | |
| 418 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 419 EXPECT_EQ(1, ScopedRefPtrCountBase::destructor_count()); | |
| 420 | |
| 421 // p1 goes out of scope. | |
| 422 } | |
| 423 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 424 EXPECT_EQ(1, ScopedRefPtrCountBase::destructor_count()); | |
| 425 } | |
| 426 | |
| 427 TEST(RefCountedUnitTest, MoveConstructorDerived) { | |
| 428 ScopedRefPtrCountBase::reset_count(); | |
| 429 ScopedRefPtrCountDerived::reset_count(); | |
| 430 | |
| 431 { | |
| 432 ScopedRefPtrCountDerived *raw1 = new ScopedRefPtrCountDerived(); | |
| 433 scoped_refptr<ScopedRefPtrCountDerived> p1(raw1); | |
| 434 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 435 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 436 EXPECT_EQ(1, ScopedRefPtrCountDerived::constructor_count()); | |
| 437 EXPECT_EQ(0, ScopedRefPtrCountDerived::destructor_count()); | |
| 438 | |
| 439 { | |
| 440 scoped_refptr<ScopedRefPtrCountBase> p2(p1.Pass()); | |
| 441 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 442 EXPECT_EQ(0, ScopedRefPtrCountBase::destructor_count()); | |
| 443 EXPECT_EQ(1, ScopedRefPtrCountDerived::constructor_count()); | |
| 444 EXPECT_EQ(0, ScopedRefPtrCountDerived::destructor_count()); | |
| 445 EXPECT_EQ(nullptr, p1.get()); | |
| 446 EXPECT_EQ(raw1, p2.get()); | |
| 447 | |
| 448 // p2 goes out of scope. | |
| 449 } | |
| 450 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 451 EXPECT_EQ(1, ScopedRefPtrCountBase::destructor_count()); | |
| 452 EXPECT_EQ(1, ScopedRefPtrCountDerived::constructor_count()); | |
| 453 EXPECT_EQ(1, ScopedRefPtrCountDerived::destructor_count()); | |
| 454 | |
| 455 // p1 goes out of scope. | |
| 456 } | |
| 457 EXPECT_EQ(1, ScopedRefPtrCountBase::constructor_count()); | |
| 458 EXPECT_EQ(1, ScopedRefPtrCountBase::destructor_count()); | |
| 459 EXPECT_EQ(1, ScopedRefPtrCountDerived::constructor_count()); | |
| 460 EXPECT_EQ(1, ScopedRefPtrCountDerived::destructor_count()); | |
| 461 } | |
| 462 | |
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