memoryTester.h

Engine/source/testing/memoryTester.h

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Detailed Description

 1
 2//-----------------------------------------------------------------------------
 3// Copyright (c) 2013 Stephan Brenner https://github.com/ymx/gtest_mem
 4//
 5// Permission is hereby granted, free of charge, to any person obtaining a copy
 6// of this software and associated documentation files (the "Software"), to
 7// deal in the Software without restriction, including without limitation the
 8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 9// sell copies of the Software, and to permit persons to whom the Software is
10// furnished to do so, subject to the following conditions:
11//
12// The above copyright notice and this permission notice shall be included in
13// all copies or substantial portions of the Software.
14//
15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21// IN THE SOFTWARE.
22//-----------------------------------------------------------------------------
23
24#include <iostream>
25#include <gtest/gtest.h>
26
27#if defined(TORQUE_OS_WIN)
28#define _CRTDBG_MAP_ALLOC
29#include <crtdbg.h>
30#endif
31
32namespace testing
33{
34   class MemoryLeakDetector : public EmptyTestEventListener
35   {
36   public:
37      virtual void OnTestStart(const TestInfo&)
38      {
39#if defined(TORQUE_OS_WIN)
40         _CrtMemCheckpoint(&memState_);
41#endif
42      }
43
44      virtual void OnTestEnd(const TestInfo& test_info)
45      {
46         if(test_info.result()->Passed())
47         {
48#if defined(TORQUE_OS_WIN)
49            _CrtMemState stateNow, stateDiff;
50            _CrtMemCheckpoint(&stateNow);
51            int diffResult = _CrtMemDifference(&stateDiff, &memState_, &stateNow);
52            if (diffResult)
53            {
54               FAIL() << "Memory leak of " << stateDiff.lSizes[1] << " byte(s) detected.";
55            }
56#endif
57         }
58      }
59
60   private:
61#if defined(TORQUE_OS_WIN)
62      _CrtMemState memState_;
63#endif
64   };
65}
66