private static int CallAsFunctionPointer(int expected)
{
Console.WriteLine($"{nameof(CallAsFunctionPointer)} ({expected}) ...");
IntPtr fptr = SuppressGCTransitionNative.GetNextUIntFunctionPointer();
int n = 0;
int * pn = &n;
object boxedN = Pointer.Box(pn, typeof(int *));
MethodInfo callNextUInt = typeof(FunctionPointer).GetMethod("Call_NextUInt");
callNextUInt.Invoke(null, new object[] { fptr, boxedN });
Assert.AreEqual(expected, n);
return(n + 1);
}
