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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/memory/ref_counted.h" | 5 #include "base/memory/ref_counted.h" |
6 | 6 |
7 #include "base/test/opaque_ref_counted.h" | 7 #include "base/test/opaque_ref_counted.h" |
8 #include "testing/gtest/include/gtest/gtest.h" | 8 #include "testing/gtest/include/gtest/gtest.h" |
9 | 9 |
10 namespace { | 10 namespace { |
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33 EXPECT_EQ(*pptr, ptr_); | 33 EXPECT_EQ(*pptr, ptr_); |
34 } | 34 } |
35 }; | 35 }; |
36 | 36 |
37 class ScopedRefPtrToSelf : public base::RefCounted<ScopedRefPtrToSelf> { | 37 class ScopedRefPtrToSelf : public base::RefCounted<ScopedRefPtrToSelf> { |
38 public: | 38 public: |
39 ScopedRefPtrToSelf() : self_ptr_(this) {} | 39 ScopedRefPtrToSelf() : self_ptr_(this) {} |
40 | 40 |
41 static bool was_destroyed() { return was_destroyed_; } | 41 static bool was_destroyed() { return was_destroyed_; } |
42 | 42 |
43 void SelfDestruct() { self_ptr_ = NULL; } | 43 static void reset_was_destroyed() { was_destroyed_ = false; } |
| 44 |
| 45 scoped_refptr<ScopedRefPtrToSelf> self_ptr_; |
44 | 46 |
45 private: | 47 private: |
46 friend class base::RefCounted<ScopedRefPtrToSelf>; | 48 friend class base::RefCounted<ScopedRefPtrToSelf>; |
47 ~ScopedRefPtrToSelf() { was_destroyed_ = true; } | 49 ~ScopedRefPtrToSelf() { was_destroyed_ = true; } |
48 | 50 |
49 static bool was_destroyed_; | 51 static bool was_destroyed_; |
50 | |
51 scoped_refptr<ScopedRefPtrToSelf> self_ptr_; | |
52 }; | 52 }; |
53 | 53 |
54 bool ScopedRefPtrToSelf::was_destroyed_ = false; | 54 bool ScopedRefPtrToSelf::was_destroyed_ = false; |
55 | 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 |
56 } // end namespace | 108 } // end namespace |
57 | 109 |
58 TEST(RefCountedUnitTest, TestSelfAssignment) { | 110 TEST(RefCountedUnitTest, TestSelfAssignment) { |
59 SelfAssign* p = new SelfAssign; | 111 SelfAssign* p = new SelfAssign; |
60 scoped_refptr<SelfAssign> var(p); | 112 scoped_refptr<SelfAssign> var(p); |
61 var = var; | 113 var = var; |
62 EXPECT_EQ(var.get(), p); | 114 EXPECT_EQ(var.get(), p); |
63 } | 115 } |
64 | 116 |
65 TEST(RefCountedUnitTest, ScopedRefPtrMemberAccess) { | 117 TEST(RefCountedUnitTest, ScopedRefPtrMemberAccess) { |
66 CheckDerivedMemberAccess check; | 118 CheckDerivedMemberAccess check; |
67 } | 119 } |
68 | 120 |
69 TEST(RefCountedUnitTest, ScopedRefPtrToSelf) { | 121 TEST(RefCountedUnitTest, ScopedRefPtrToSelfPointerAssignment) { |
| 122 ScopedRefPtrToSelf::reset_was_destroyed(); |
| 123 |
70 ScopedRefPtrToSelf* check = new ScopedRefPtrToSelf(); | 124 ScopedRefPtrToSelf* check = new ScopedRefPtrToSelf(); |
71 EXPECT_FALSE(ScopedRefPtrToSelf::was_destroyed()); | 125 EXPECT_FALSE(ScopedRefPtrToSelf::was_destroyed()); |
72 check->SelfDestruct(); | 126 check->self_ptr_ = nullptr; |
73 EXPECT_TRUE(ScopedRefPtrToSelf::was_destroyed()); | 127 EXPECT_TRUE(ScopedRefPtrToSelf::was_destroyed()); |
74 } | 128 } |
75 | 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 |
76 TEST(RefCountedUnitTest, ScopedRefPtrToOpaque) { | 142 TEST(RefCountedUnitTest, ScopedRefPtrToOpaque) { |
77 scoped_refptr<base::OpaqueRefCounted> p = base::MakeOpaqueRefCounted(); | 143 scoped_refptr<base::OpaqueRefCounted> p = base::MakeOpaqueRefCounted(); |
78 base::TestOpaqueRefCounted(p); | 144 base::TestOpaqueRefCounted(p); |
79 | 145 |
80 scoped_refptr<base::OpaqueRefCounted> q; | 146 scoped_refptr<base::OpaqueRefCounted> q; |
81 q = p; | 147 q = p; |
82 base::TestOpaqueRefCounted(p); | 148 base::TestOpaqueRefCounted(p); |
83 base::TestOpaqueRefCounted(q); | 149 base::TestOpaqueRefCounted(q); |
84 } | 150 } |
85 | 151 |
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106 scoped_refptr<SelfAssign> p2; | 172 scoped_refptr<SelfAssign> p2; |
107 | 173 |
108 EXPECT_NE(p1, p2); | 174 EXPECT_NE(p1, p2); |
109 EXPECT_NE(p2, p1); | 175 EXPECT_NE(p2, p1); |
110 | 176 |
111 p2 = p1; | 177 p2 = p1; |
112 | 178 |
113 EXPECT_EQ(p1, p2); | 179 EXPECT_EQ(p1, p2); |
114 EXPECT_EQ(p2, p1); | 180 EXPECT_EQ(p2, p1); |
115 } | 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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