public static int Main()
{
float[] arr = new float[100];
GCHandle handle1 = GCUtil.Alloc(arr, GCHandleType.Pinned);
GCHandle handle2 = GCUtil.Alloc(arr, GCHandleType.Normal);
IntPtr oldaddr, newaddr;
oldaddr = GCUtil.AddrOfPinnedObject(handle1);
Console.WriteLine("Address of obj: {0}", oldaddr);
GC.Collect();
GC.WaitForPendingFinalizers();
// handle1.Free(); // arr should only have normal handle now
GCUtil.Free(ref handle1);
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
GC.WaitForPendingFinalizers();
try
{
Console.WriteLine("Address of obj: {0}", handle1.AddrOfPinnedObject());
}
catch (Exception e)
{
Console.WriteLine("Caught: " + e);
}
arr = null;
GC.Collect();
// Pinning the arr again..it should have moved
GCHandle handle3 = GCUtil.Alloc(arr, GCHandleType.Pinned);
newaddr = GCUtil.AddrOfPinnedObject(handle3);
Console.WriteLine("Address of obj: {0}", newaddr);
if (oldaddr == newaddr)
{
Console.WriteLine("Test failed!");
return(1);
}
else
{
Console.WriteLine("Test passed!");
return(100);
}
}