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103 lines
3.3 KiB
C++
103 lines
3.3 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#include "CrySystem_precompiled.h"
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#include <AzCore/UnitTest/TestTypes.h>
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#include <AzCore/UnitTest/UnitTest.h>
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#include <AzTest/AzTest.h>
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#include <AzCore/Memory/OSAllocator.h>
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#include "CrySizerImpl.h"
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namespace UnitTest
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{
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class CrySizerTest
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: public AllocatorsFixture
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{
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public:
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void SetUp() override
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{
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AZ::AllocatorInstance<AZ::LegacyAllocator>::Create();
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AZ::AllocatorInstance<CryStringAllocator>::Create();
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m_sizer = new CrySizerImpl();
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}
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void TearDown() override
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{
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delete m_sizer;
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AZ::AllocatorInstance<CryStringAllocator>::Destroy();
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AZ::AllocatorInstance<AZ::LegacyAllocator>::Destroy();
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}
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protected:
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CrySizerImpl* m_sizer;
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}; //class StatisticsTest
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/**
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* The key data structures fed to ICrySizer in CTerrain::GetMemoryUsage(class ICrySizer* pSizer):
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* 1. structs and classes.
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* 2. PodArray< of structs / classes>
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* 3. PodArray< of pointers>
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*/
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TEST_F(CrySizerTest, CrySizerTest_AddSomeObjectsUsedInCTerrain_GetExpectedSize)
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{
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struct TmpStruct
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{
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AZ::u32 a;
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AZ::u32 b;
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};
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TmpStruct tmpStructObj;
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//Tracking a simple struct.
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m_sizer->AddObjectSize(&tmpStructObj);
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//The AddObject method is only available when using the ICrySizer base class.
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ICrySizer* sizer = static_cast<ICrySizer*>(m_sizer);
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const int numItemsPerArray = 1024;
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//PodArray of structs
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PodArray<TmpStruct> podArrayOfTmpStruct;
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podArrayOfTmpStruct.resize(numItemsPerArray);
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sizer->AddObject(podArrayOfTmpStruct);
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//PodArray of pointers
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PodArray<TmpStruct*> podArrayOfTmpStructPointers;
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podArrayOfTmpStructPointers.resize(numItemsPerArray);
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sizer->AddObject(podArrayOfTmpStructPointers);
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//PodArray of Array2d of pointers.
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const int array2dAxisSize = 64;
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PodArray<Array2d<TmpStruct*>> podArrayOfArray2d;
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podArrayOfArray2d.resize(numItemsPerArray);
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for (int i = 0; i < numItemsPerArray; ++i)
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{
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//Array2d will allocate array2dAxisSize * array2dAxisSize elements.
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podArrayOfArray2d[i].Allocate(array2dAxisSize);
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}
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sizer->AddObject(podArrayOfArray2d);
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//Calculate the total expected size
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const size_t expectedSizeOfArray2d = sizeof(Array2d<TmpStruct*>)
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+ (array2dAxisSize * array2dAxisSize) * sizeof(TmpStruct*);
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const size_t expectedTotalSize = sizeof(TmpStruct)
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+ numItemsPerArray * sizeof(TmpStruct)
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+ numItemsPerArray * sizeof(TmpStruct*)
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+ numItemsPerArray * expectedSizeOfArray2d;
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EXPECT_EQ( m_sizer->GetTotalSize(), expectedTotalSize);
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}
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}//namespace UnitTest
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