public void Free()
{
UnmanagedMemory.FreeHGlobal(points);
points = null;
UnmanagedMemory.FreeHGlobal(centers);
centers = null;
}
public unsafe void Test_BigArray()
{
Console.WriteLine("Size of element: {0}, sizeof IntPtr: {1}",
sizeof(TestStruct), sizeof(IntPtr));
Int64 arrSize = 200 * 1000000;
Int64 byteSize = (Int64)(arrSize * (Int64)sizeof(TestStruct));
Console.WriteLine("Allocating {0:#,#} bytes...", byteSize);
TestStruct *pArray = (TestStruct *)UnmanagedMemory.AllocHGlobalEx(byteSize);
Console.WriteLine("Allocated {0:#,#} bytes", byteSize);
pArray[0].data[0] = 1;
Console.WriteLine("Filling with data...");
for (Int64 i = 0; i < arrSize; ++i)
{
pArray[i].data[0] = 10;
}
Console.WriteLine("Freeing memory");
UnmanagedMemory.FreeHGlobal(pArray);
}
public void Test_Diag()
{
UnmanagedMemory.IsDiagOn = true;
IntPtr p;
byte * pb;
bool isExceptionThrown;
// Overwrite after
try
{
isExceptionThrown = false;
p = UnmanagedMemory.AllocHGlobal(10);
pb = (byte *)p.ToPointer();
*(pb + 10) = 0xFF;
UnmanagedMemory.FreeHGlobal(p.ToPointer());
}
catch (ApplicationException)
{
isExceptionThrown = true;
}
Assert.IsTrue(isExceptionThrown);
// Overwrite befor
try
{
isExceptionThrown = false;
p = UnmanagedMemory.AllocHGlobal(10);
pb = (byte *)p.ToPointer();
*(pb - 1) = 0xFF;
UnmanagedMemory.FreeHGlobal(p.ToPointer());
}
catch (ApplicationException)
{
isExceptionThrown = true;
}
Assert.IsTrue(isExceptionThrown);
// Overwrite befor and after
try
{
isExceptionThrown = false;
p = UnmanagedMemory.AllocHGlobal(10);
pb = (byte *)p.ToPointer();
*(pb + 10) = 0xFF;
*(pb - 8) = 0xFF;
UnmanagedMemory.FreeHGlobal(p.ToPointer());
}
catch (ApplicationException)
{
isExceptionThrown = true;
}
Assert.IsTrue(isExceptionThrown);
UnmanagedMemory.IsDiagOn = false;
}
