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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 { |
11 | 11 |
12 class SelfAssign : public base::RefCounted<SelfAssign> { | 12 class SelfAssign : public base::RefCounted<SelfAssign> { |
| 13 protected: |
| 14 virtual ~SelfAssign() {} |
| 15 |
| 16 private: |
13 friend class base::RefCounted<SelfAssign>; | 17 friend class base::RefCounted<SelfAssign>; |
| 18 }; |
14 | 19 |
15 ~SelfAssign() {} | 20 class Derived : public SelfAssign { |
| 21 protected: |
| 22 ~Derived() override {} |
| 23 |
| 24 private: |
| 25 friend class base::RefCounted<Derived>; |
16 }; | 26 }; |
17 | 27 |
18 class CheckDerivedMemberAccess : public scoped_refptr<SelfAssign> { | 28 class CheckDerivedMemberAccess : public scoped_refptr<SelfAssign> { |
19 public: | 29 public: |
20 CheckDerivedMemberAccess() { | 30 CheckDerivedMemberAccess() { |
21 // This shouldn't compile if we don't have access to the member variable. | 31 // This shouldn't compile if we don't have access to the member variable. |
22 SelfAssign** pptr = &ptr_; | 32 SelfAssign** pptr = &ptr_; |
23 EXPECT_EQ(*pptr, ptr_); | 33 EXPECT_EQ(*pptr, ptr_); |
24 } | 34 } |
25 }; | 35 }; |
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65 | 75 |
66 TEST(RefCountedUnitTest, ScopedRefPtrToOpaque) { | 76 TEST(RefCountedUnitTest, ScopedRefPtrToOpaque) { |
67 scoped_refptr<base::OpaqueRefCounted> p = base::MakeOpaqueRefCounted(); | 77 scoped_refptr<base::OpaqueRefCounted> p = base::MakeOpaqueRefCounted(); |
68 base::TestOpaqueRefCounted(p); | 78 base::TestOpaqueRefCounted(p); |
69 | 79 |
70 scoped_refptr<base::OpaqueRefCounted> q; | 80 scoped_refptr<base::OpaqueRefCounted> q; |
71 q = p; | 81 q = p; |
72 base::TestOpaqueRefCounted(p); | 82 base::TestOpaqueRefCounted(p); |
73 base::TestOpaqueRefCounted(q); | 83 base::TestOpaqueRefCounted(q); |
74 } | 84 } |
| 85 |
| 86 TEST(RefCountedUnitTest, BooleanTesting) { |
| 87 scoped_refptr<SelfAssign> p; |
| 88 EXPECT_FALSE(p); |
| 89 p = new SelfAssign; |
| 90 EXPECT_TRUE(p); |
| 91 } |
| 92 |
| 93 TEST(RefCountedUnitTest, Equality) { |
| 94 scoped_refptr<SelfAssign> p1(new SelfAssign); |
| 95 scoped_refptr<SelfAssign> p2(new SelfAssign); |
| 96 |
| 97 EXPECT_EQ(p1, p1); |
| 98 EXPECT_EQ(p2, p2); |
| 99 |
| 100 EXPECT_NE(p1, p2); |
| 101 EXPECT_NE(p2, p1); |
| 102 } |
| 103 |
| 104 TEST(RefCountedUnitTest, ConvertibleEquality) { |
| 105 scoped_refptr<Derived> p1(new Derived); |
| 106 scoped_refptr<SelfAssign> p2; |
| 107 |
| 108 EXPECT_NE(p1, p2); |
| 109 EXPECT_NE(p2, p1); |
| 110 |
| 111 p2 = p1; |
| 112 |
| 113 EXPECT_EQ(p1, p2); |
| 114 EXPECT_EQ(p2, p1); |
| 115 } |
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