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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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/callback.h" | 5 #include "base/callback.h" |
6 #include "base/callback_internal.h" | 6 #include "base/callback_internal.h" |
7 #include "base/callback_old.h" | 7 #include "base/callback_old.h" |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 | 9 |
10 #include "testing/gtest/include/gtest/gtest.h" | 10 #include "testing/gtest/include/gtest/gtest.h" |
11 | 11 |
12 namespace base { | 12 namespace base { |
13 namespace { | 13 namespace { |
14 | 14 |
15 class HelperObject { | 15 class HelperObject { |
16 public: | 16 public: |
17 HelperObject() : next_number_(0) { } | 17 HelperObject() : next_number_(0) { } |
18 int GetNextNumber() { return ++next_number_; } | 18 int GetNextNumber() { return ++next_number_; } |
19 void GetNextNumberArg(int* number) { *number = GetNextNumber(); } | 19 void GetNextNumberArg(int* number) { *number = GetNextNumber(); } |
20 | 20 |
21 private: | 21 private: |
22 int next_number_; | 22 int next_number_; |
23 }; | 23 }; |
24 | 24 |
25 struct FakeInvoker { | 25 struct FakeInvoker { |
26 typedef void(*DoInvokeType)(internal::InvokerStorageBase*); | 26 typedef void(RunType)(internal::BindStateBase*); |
27 static void DoInvoke(internal::InvokerStorageBase*) { | 27 static void Run(internal::BindStateBase*) { |
28 } | 28 } |
29 }; | 29 }; |
30 | 30 |
31 // White-box testpoints to inject into a Callback<> object for checking | 31 // White-box testpoints to inject into a Callback<> object for checking |
32 // comparators and emptiness APIs. | 32 // comparators and emptiness APIs. |
33 class FakeInvokerStorage1 : public internal::InvokerStorageBase { | 33 class FakeBindState1 : public internal::BindStateBase { |
34 public: | 34 public: |
35 typedef FakeInvoker Invoker; | 35 typedef FakeInvoker InvokerType; |
36 }; | 36 }; |
37 | 37 |
38 class FakeInvokerStorage2 : public internal::InvokerStorageBase { | 38 class FakeBindState2 : public internal::BindStateBase { |
39 public: | 39 public: |
40 typedef FakeInvoker Invoker; | 40 typedef FakeInvoker InvokerType; |
41 }; | 41 }; |
42 | 42 |
43 TEST(CallbackOld, OneArg) { | 43 TEST(CallbackOld, OneArg) { |
44 HelperObject obj; | 44 HelperObject obj; |
45 scoped_ptr<Callback1<int*>::Type> callback( | 45 scoped_ptr<Callback1<int*>::Type> callback( |
46 NewCallback(&obj, &HelperObject::GetNextNumberArg)); | 46 NewCallback(&obj, &HelperObject::GetNextNumberArg)); |
47 | 47 |
48 int number = 0; | 48 int number = 0; |
49 callback->Run(&number); | 49 callback->Run(&number); |
50 EXPECT_EQ(number, 1); | 50 EXPECT_EQ(number, 1); |
51 } | 51 } |
52 | 52 |
53 TEST(CallbackOld, ReturnValue) { | 53 TEST(CallbackOld, ReturnValue) { |
54 HelperObject obj; | 54 HelperObject obj; |
55 scoped_ptr<CallbackWithReturnValue<int>::Type> callback( | 55 scoped_ptr<CallbackWithReturnValue<int>::Type> callback( |
56 NewCallbackWithReturnValue(&obj, &HelperObject::GetNextNumber)); | 56 NewCallbackWithReturnValue(&obj, &HelperObject::GetNextNumber)); |
57 | 57 |
58 EXPECT_EQ(callback->Run(), 1); | 58 EXPECT_EQ(callback->Run(), 1); |
59 } | 59 } |
60 | 60 |
61 class CallbackTest : public ::testing::Test { | 61 class CallbackTest : public ::testing::Test { |
62 public: | 62 public: |
63 CallbackTest() | 63 CallbackTest() |
64 : callback_a_(MakeInvokerStorageHolder(new FakeInvokerStorage1())), | 64 : callback_a_(MakeBindStateHolder(new FakeBindState1())), |
65 callback_b_(MakeInvokerStorageHolder(new FakeInvokerStorage2())) { | 65 callback_b_(MakeBindStateHolder(new FakeBindState2())) { |
66 } | 66 } |
67 | 67 |
68 virtual ~CallbackTest() { | 68 virtual ~CallbackTest() { |
69 } | 69 } |
70 | 70 |
71 protected: | 71 protected: |
72 Callback<void(void)> callback_a_; | 72 Callback<void(void)> callback_a_; |
73 const Callback<void(void)> callback_b_; // Ensure APIs work with const. | 73 const Callback<void(void)> callback_b_; // Ensure APIs work with const. |
74 Callback<void(void)> null_callback_; | 74 Callback<void(void)> null_callback_; |
75 }; | 75 }; |
(...skipping 24 matching lines...) Expand all Loading... |
100 EXPECT_FALSE(callback_b_.is_null()); | 100 EXPECT_FALSE(callback_b_.is_null()); |
101 } | 101 } |
102 | 102 |
103 TEST_F(CallbackTest, Equals) { | 103 TEST_F(CallbackTest, Equals) { |
104 EXPECT_TRUE(callback_a_.Equals(callback_a_)); | 104 EXPECT_TRUE(callback_a_.Equals(callback_a_)); |
105 EXPECT_FALSE(callback_a_.Equals(callback_b_)); | 105 EXPECT_FALSE(callback_a_.Equals(callback_b_)); |
106 EXPECT_FALSE(callback_b_.Equals(callback_a_)); | 106 EXPECT_FALSE(callback_b_.Equals(callback_a_)); |
107 | 107 |
108 // We should compare based on instance, not type. | 108 // We should compare based on instance, not type. |
109 Callback<void(void)> callback_c( | 109 Callback<void(void)> callback_c( |
110 MakeInvokerStorageHolder(new FakeInvokerStorage1())); | 110 MakeBindStateHolder(new FakeBindState1())); |
111 Callback<void(void)> callback_a2 = callback_a_; | 111 Callback<void(void)> callback_a2 = callback_a_; |
112 EXPECT_TRUE(callback_a_.Equals(callback_a2)); | 112 EXPECT_TRUE(callback_a_.Equals(callback_a2)); |
113 EXPECT_FALSE(callback_a_.Equals(callback_c)); | 113 EXPECT_FALSE(callback_a_.Equals(callback_c)); |
114 | 114 |
115 // Empty, however, is always equal to empty. | 115 // Empty, however, is always equal to empty. |
116 Callback<void(void)> empty2; | 116 Callback<void(void)> empty2; |
117 EXPECT_TRUE(null_callback_.Equals(empty2)); | 117 EXPECT_TRUE(null_callback_.Equals(empty2)); |
118 } | 118 } |
119 | 119 |
120 TEST_F(CallbackTest, Reset) { | 120 TEST_F(CallbackTest, Reset) { |
121 // Resetting should bring us back to empty. | 121 // Resetting should bring us back to empty. |
122 ASSERT_FALSE(callback_a_.is_null()); | 122 ASSERT_FALSE(callback_a_.is_null()); |
123 ASSERT_FALSE(callback_a_.Equals(null_callback_)); | 123 ASSERT_FALSE(callback_a_.Equals(null_callback_)); |
124 | 124 |
125 callback_a_.Reset(); | 125 callback_a_.Reset(); |
126 | 126 |
127 EXPECT_TRUE(callback_a_.is_null()); | 127 EXPECT_TRUE(callback_a_.is_null()); |
128 EXPECT_TRUE(callback_a_.Equals(null_callback_)); | 128 EXPECT_TRUE(callback_a_.Equals(null_callback_)); |
129 } | 129 } |
130 | 130 |
131 } // namespace | 131 } // namespace |
132 } // namespace base | 132 } // namespace base |
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