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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/win/iunknown_impl.h" | 5 #include "base/win/iunknown_impl.h" |
6 | 6 |
7 #include "base/win/scoped_com_initializer.h" | 7 #include "base/win/scoped_com_initializer.h" |
8 #include "testing/gtest/include/gtest/gtest.h" | 8 #include "testing/gtest/include/gtest/gtest.h" |
9 | 9 |
10 namespace base { | 10 namespace base { |
11 namespace win { | 11 namespace win { |
12 | 12 |
13 class TestIUnknownImplSubclass : public IUnknownImpl { | 13 class TestIUnknownImplSubclass : public IUnknownImpl { |
14 public: | 14 public: |
15 TestIUnknownImplSubclass() { | 15 TestIUnknownImplSubclass() { |
16 ++instance_count; | 16 ++instance_count; |
17 } | 17 } |
18 virtual ~TestIUnknownImplSubclass() { | 18 ~TestIUnknownImplSubclass() override { --instance_count; } |
19 --instance_count; | |
20 } | |
21 static int instance_count; | 19 static int instance_count; |
22 }; | 20 }; |
23 | 21 |
24 // static | 22 // static |
25 int TestIUnknownImplSubclass::instance_count = 0; | 23 int TestIUnknownImplSubclass::instance_count = 0; |
26 | 24 |
27 TEST(IUnknownImplTest, IUnknownImpl) { | 25 TEST(IUnknownImplTest, IUnknownImpl) { |
28 ScopedCOMInitializer com_initializer; | 26 ScopedCOMInitializer com_initializer; |
29 | 27 |
30 EXPECT_EQ(0, TestIUnknownImplSubclass::instance_count); | 28 EXPECT_EQ(0, TestIUnknownImplSubclass::instance_count); |
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42 IID_IUnknown, reinterpret_cast<void**>(&other))); | 40 IID_IUnknown, reinterpret_cast<void**>(&other))); |
43 other->Release(); | 41 other->Release(); |
44 | 42 |
45 EXPECT_EQ(1, u->Release()); | 43 EXPECT_EQ(1, u->Release()); |
46 EXPECT_EQ(0, u->Release()); | 44 EXPECT_EQ(0, u->Release()); |
47 EXPECT_EQ(0, TestIUnknownImplSubclass::instance_count); | 45 EXPECT_EQ(0, TestIUnknownImplSubclass::instance_count); |
48 } | 46 } |
49 | 47 |
50 } // namespace win | 48 } // namespace win |
51 } // namespace base | 49 } // namespace base |
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