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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/supports_user_data.h" | |
| 6 | |
| 7 #include <vector> | |
| 8 | |
| 9 #include "testing/gtest/include/gtest/gtest.h" | |
| 10 | |
| 11 namespace base { | |
| 12 namespace { | |
| 13 | |
| 14 struct TestSupportsUserData : public SupportsUserData {}; | |
| 15 | |
| 16 struct UsesItself : public SupportsUserData::Data { | |
| 17 UsesItself(SupportsUserData* supports_user_data, const void* key) | |
| 18 : supports_user_data_(supports_user_data), | |
| 19 key_(key) { | |
| 20 } | |
| 21 | |
| 22 ~UsesItself() override { | |
| 23 EXPECT_EQ(NULL, supports_user_data_->GetUserData(key_)); | |
| 24 } | |
| 25 | |
| 26 SupportsUserData* supports_user_data_; | |
| 27 const void* key_; | |
| 28 }; | |
| 29 | |
| 30 TEST(SupportsUserDataTest, ClearWorksRecursively) { | |
| 31 TestSupportsUserData supports_user_data; | |
| 32 char key = 0; | |
| 33 supports_user_data.SetUserData(&key, | |
| 34 new UsesItself(&supports_user_data, &key)); | |
| 35 // Destruction of supports_user_data runs the actual test. | |
| 36 } | |
| 37 | |
| 38 } // namespace | |
| 39 } // namespace base | |
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