public static int Main()
{
int[] arr = new int[1000];
GCHandle[] arrhandle = new GCHandle[10000]; // array of handles to the same object
IntPtr[] oldaddress = new IntPtr[10000]; // store old addresses
IntPtr[] newaddress = new IntPtr[10000]; // store new addresses
for (int i = 0; i < 10000; i++)
{
arrhandle[i] = GCUtil.Alloc(arr, GCHandleType.Pinned);
oldaddress[i] = GCUtil.AddrOfPinnedObject(arrhandle[i]);
}
GC.Collect();
GC.WaitForPendingFinalizers();
for (int i = 0; i < 10000; i++)
{
newaddress[i] = GCUtil.AddrOfPinnedObject(arrhandle[i]);
}
for (int i = 0; i < 10000; i++)
{
if (oldaddress[i] != newaddress[i])
{
Console.WriteLine("Test failed");
return 1;
}
}
Console.WriteLine("Test passed");
return 100;
}
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);
}
}
public static int Main()
{
int NUM = 2500;
int[][] arr = new int[NUM][];
GCHandle[] handle = new GCHandle[NUM];
IntPtr[] oldaddr = new IntPtr[NUM];
for (int i = 0; i < NUM; i++)
{
arr[i] = new int[NUM];
handle[i] = GCUtil.Alloc(arr[i], GCHandleType.Pinned);
oldaddr[i] = GCUtil.AddrOfPinnedObject(handle[i]);
}
GC.Collect();
GC.WaitForPendingFinalizers();
for (int i = 0; i < NUM; i++)
{
if (GCUtil.AddrOfPinnedObject(handle[i]) != oldaddr[i])
{
Console.WriteLine("Test failed!");
return(1);
}
}
GC.Collect();
GC.WaitForPendingFinalizers();
for (int i = 0; i < NUM; i++)
{
if (handle[i].IsAllocated != true)
{
Console.WriteLine("Test failed!");
return(1);
}
}
Console.WriteLine("Test passed!");
return(100);
}
public static int Main()
{
int[] arr = new int[100];
GCHandle handle = GCUtil.Alloc(arr, GCHandleType.Pinned);
GCHandle hhnd = GCUtil.Alloc(handle, GCHandleType.Normal);
GC.Collect();
GC.WaitForPendingFinalizers();
Console.WriteLine("Address of obj: {0}", GCUtil.AddrOfPinnedObject(handle));
try
{
Console.WriteLine("Address of handle {0}", GCUtil.AddrOfPinnedObject(hhnd));
}
catch (Exception e)
{
Console.WriteLine("Caught: {0}", e.ToString());
Console.WriteLine("Test passed");
return(100);
}
return(1);
}
