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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 <utility> | 7 #include <utility> |
8 | 8 |
| 9 #include "base/test/gtest_util.h" |
9 #include "base/test/opaque_ref_counted.h" | 10 #include "base/test/opaque_ref_counted.h" |
10 #include "testing/gtest/include/gtest/gtest.h" | 11 #include "testing/gtest/include/gtest/gtest.h" |
11 | 12 |
12 namespace { | 13 namespace { |
13 | 14 |
14 class SelfAssign : public base::RefCounted<SelfAssign> { | 15 class SelfAssign : public base::RefCounted<SelfAssign> { |
15 protected: | 16 protected: |
16 virtual ~SelfAssign() {} | 17 virtual ~SelfAssign() {} |
17 | 18 |
18 private: | 19 private: |
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115 }; | 116 }; |
116 | 117 |
117 scoped_refptr<Other> Overloaded(scoped_refptr<Other> other) { | 118 scoped_refptr<Other> Overloaded(scoped_refptr<Other> other) { |
118 return other; | 119 return other; |
119 } | 120 } |
120 | 121 |
121 scoped_refptr<SelfAssign> Overloaded(scoped_refptr<SelfAssign> self_assign) { | 122 scoped_refptr<SelfAssign> Overloaded(scoped_refptr<SelfAssign> self_assign) { |
122 return self_assign; | 123 return self_assign; |
123 } | 124 } |
124 | 125 |
| 126 class InitialValueIsOne : public base::RefCounted<InitialValueIsOne> { |
| 127 public: |
| 128 InitialValueIsOne() : RefCounted<InitialValueIsOne>(1) {} |
| 129 |
| 130 private: |
| 131 friend class base::RefCounted<InitialValueIsOne>; |
| 132 ~InitialValueIsOne() {} |
| 133 }; |
125 | 134 |
126 } // end namespace | 135 } // end namespace |
127 | 136 |
128 TEST(RefCountedUnitTest, TestSelfAssignment) { | 137 TEST(RefCountedUnitTest, TestSelfAssignment) { |
129 SelfAssign* p = new SelfAssign; | 138 SelfAssign* p = new SelfAssign; |
130 scoped_refptr<SelfAssign> var(p); | 139 scoped_refptr<SelfAssign> var(p); |
131 var = var; | 140 var = var; |
132 EXPECT_EQ(var.get(), p); | 141 EXPECT_EQ(var.get(), p); |
133 } | 142 } |
134 | 143 |
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521 | 530 |
522 TEST(RefCountedUnitTest, TestOverloadResolutionMove) { | 531 TEST(RefCountedUnitTest, TestOverloadResolutionMove) { |
523 scoped_refptr<Derived> derived(new Derived); | 532 scoped_refptr<Derived> derived(new Derived); |
524 scoped_refptr<SelfAssign> expected(derived); | 533 scoped_refptr<SelfAssign> expected(derived); |
525 EXPECT_EQ(expected, Overloaded(std::move(derived))); | 534 EXPECT_EQ(expected, Overloaded(std::move(derived))); |
526 | 535 |
527 scoped_refptr<Other> other(new Other); | 536 scoped_refptr<Other> other(new Other); |
528 scoped_refptr<Other> other2(other); | 537 scoped_refptr<Other> other2(other); |
529 EXPECT_EQ(other2, Overloaded(std::move(other))); | 538 EXPECT_EQ(other2, Overloaded(std::move(other))); |
530 } | 539 } |
| 540 |
| 541 TEST(RefCountedUnitTest, TestInitialValueIsOne) { |
| 542 scoped_refptr<InitialValueIsOne> obj = base::MakeShared<InitialValueIsOne>(); |
| 543 obj = nullptr; |
| 544 |
| 545 scoped_refptr<InitialValueIsOne> obj2 = base::AdoptRef(new InitialValueIsOne); |
| 546 obj2 = nullptr; |
| 547 } |
| 548 |
| 549 TEST(RefCountedDeathTest, TestAdoptRef) { |
| 550 EXPECT_DCHECK_DEATH(make_scoped_refptr(new InitialValueIsOne)); |
| 551 } |
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