| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/containers/scoped_ptr_hash_map.h" |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace base { |
| namespace { |
| |
| struct DeleteCounter { |
| public: |
| DeleteCounter() {} |
| ~DeleteCounter() { g_delete_count++; } |
| |
| static void ResetCounter() { g_delete_count = 0; } |
| static int delete_count() { return g_delete_count; } |
| |
| private: |
| static int g_delete_count; |
| }; |
| |
| int DeleteCounter::g_delete_count = 0; |
| |
| struct CountingDeleter { |
| public: |
| inline void operator()(DeleteCounter* ptr) const { |
| g_deleter_call_count++; |
| delete ptr; |
| } |
| |
| static int count() { return g_deleter_call_count; } |
| static void ResetCounter() { g_deleter_call_count = 0; } |
| |
| private: |
| static int g_deleter_call_count; |
| }; |
| |
| int CountingDeleter::g_deleter_call_count = 0; |
| |
| TEST(ScopedPtrHashMapTest, CustomDeleter) { |
| int key = 123; |
| |
| // Test dtor. |
| DeleteCounter::ResetCounter(); |
| CountingDeleter::ResetCounter(); |
| { |
| ScopedPtrHashMap<int, scoped_ptr<DeleteCounter, CountingDeleter>> map; |
| map.set(key, scoped_ptr<DeleteCounter, CountingDeleter>(new DeleteCounter)); |
| } |
| EXPECT_EQ(1, DeleteCounter::delete_count()); |
| EXPECT_EQ(1, CountingDeleter::count()); |
| |
| // Test set and erase. |
| DeleteCounter::ResetCounter(); |
| CountingDeleter::ResetCounter(); |
| { |
| ScopedPtrHashMap<int, scoped_ptr<DeleteCounter, CountingDeleter>> map; |
| map.erase(map.set( |
| key, scoped_ptr<DeleteCounter, CountingDeleter>(new DeleteCounter))); |
| EXPECT_EQ(1, DeleteCounter::delete_count()); |
| EXPECT_EQ(1, CountingDeleter::count()); |
| } |
| EXPECT_EQ(1, DeleteCounter::delete_count()); |
| EXPECT_EQ(1, CountingDeleter::count()); |
| |
| // Test set more than once. |
| DeleteCounter::ResetCounter(); |
| CountingDeleter::ResetCounter(); |
| { |
| ScopedPtrHashMap<int, scoped_ptr<DeleteCounter, CountingDeleter>> map; |
| map.set(key, scoped_ptr<DeleteCounter, CountingDeleter>(new DeleteCounter)); |
| map.set(key, scoped_ptr<DeleteCounter, CountingDeleter>(new DeleteCounter)); |
| map.set(key, scoped_ptr<DeleteCounter, CountingDeleter>(new DeleteCounter)); |
| EXPECT_EQ(2, DeleteCounter::delete_count()); |
| EXPECT_EQ(2, CountingDeleter::count()); |
| } |
| EXPECT_EQ(3, DeleteCounter::delete_count()); |
| EXPECT_EQ(3, CountingDeleter::count()); |
| } |
| |
| } // namespace |
| } // namespace base |