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Moved Eule to its own repository

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Leonetienne
2021-11-15 11:32:27 +01:00
commit ba102c8389
48 changed files with 11528 additions and 0 deletions
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5
_TestingUtilities/HandyMacros.h Normal file
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#pragma once
#define LARGE_RAND_DOUBLE (((rng() % 6969000) - 3500000) / 1000.0)
#define LARGE_RAND_POSITIVE_DOUBLE (((rng() % 3500000)) / 1000.0)
#define LARGE_RAND_INT ((rng() % 6969) - 3500)
#define LARGE_RAND_POSITIVE_INT ((rng() % 3500))

44
_TestingUtilities/MemoryLeakDetector.h Normal file
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#pragma once
#include <crtdbg.h>
// Don't even allow compilation in release mode unless handled correctly.
// This class ONLY WORKS IN DEBUG MODE!!!
#ifdef _DEBUG
class MemoryLeakDetector
{
public:
// Defines the initial mem state to check against
void Init()
{
_CrtMemCheckpoint(&stateInit);
return;
};
// Returns whether or not the process uses more memory than at the point when Init() was called
bool DetectLeak()
{
_CrtMemCheckpoint(&stateEnd);
return Evaluate();
};
// Returns the absolute memory difference since calling Init(). WARNING: The ABSOLUTE difference! No negative values!
int Difference()
{
// I know that it's the exact same code as in DetectedLeak().
_CrtMemCheckpoint(&stateEnd);
return Evaluate();
}
private:
int Evaluate()
{
return _CrtMemDifference(&stateBfr, &stateInit, &stateEnd);
}
_CrtMemState stateInit;
_CrtMemState stateEnd;
_CrtMemState stateBfr;
};
#endif

27
_TestingUtilities/Testutil.h Normal file
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#pragma once
#include <vector>
class Testutil
{
public:
template <typename T>
static double Stddev(const std::vector<T>& distribution)
{
// Calculate mean
double sum = 0;
for (const T& i : distribution)
sum += i;
const double mean = sum / distribution.size();
// Calculate variance
sum = 0;
for (const T& i : distribution)
sum += (i - mean) * (i - mean);
const double variance = sum / (distribution.size() - 1);
// Calcuate stddev
const double stddev = sqrt(variance);
return stddev;
}
};

105
_TestingUtilities/_MemoryLeakDetector.cpp Normal file
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#include "CppUnitTest.h"
#include "MemoryLeakDetector.h"
using namespace Microsoft::VisualStudio::CppUnitTestFramework;
namespace TestingUtilities
{
TEST_CLASS(_MemoryLeakDetector)
{
public:
// =========== MEMORY LEAK TESTS ===========
// These tests depends on debug-mode for memory insights.
// Thus, they only works in debug mode.
#ifdef _DEBUG
// Tests to detect no memory leak, if the test does nothing at all
TEST_METHOD(No_Memleak_For_Nothing)
{
MemoryLeakDetector mld;
mld.Init();
{
// Do nothing here
}
Assert::IsFalse(mld.DetectLeak());
return;
}
// Tests to detect no memory leak when not even touching pointers
TEST_METHOD(No_Memleak_For_No_Pointer_Action)
{
MemoryLeakDetector mld;
mld.Init();
{
int i = 33;
int c = i * 9;
}
Assert::IsFalse(mld.DetectLeak());
return;
}
// Tests to detect no memory leak when correctly cleaning up pointers
TEST_METHOD(No_Memleak_For_Cleaned_Up_Pointers)
{
MemoryLeakDetector mld;
mld.Init();
{
int* ptr = new int[333];
delete[] ptr;
}
Assert::IsFalse(mld.DetectLeak());
return;
}
// Tests to detect a memory leak when not cleaning up pointers
TEST_METHOD(Memleak_For_No_Pointer_Cleanup)
{
MemoryLeakDetector mld;
mld.Init();
{
int* ptr = new int[333];
}
Assert::IsTrue(mld.DetectLeak());
return;
}
// Tests to detect no memory leak when correctly cleaning up pointers, using C-Methods
TEST_METHOD(No_Memleak_For_Cleaned_Up_Pointers_C_Like)
{
MemoryLeakDetector mld;
mld.Init();
{
int* ptr = (int*)malloc(sizeof(int) * 333);
free(ptr);
}
Assert::IsFalse(mld.DetectLeak());
return;
}
// Tests to detect a memory leak when not cleaning up pointers, using C-Methods
TEST_METHOD(Memleak_For_No_Pointer_Cleanup_C_Like)
{
MemoryLeakDetector mld;
mld.Init();
{
int* ptr = (int*)malloc(sizeof(int) * 333);
}
Assert::IsTrue(mld.DetectLeak());
return;
}
#endif
};
}

168
_TestingUtilities/_TestingUtilities.vcxproj Normal file
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