+ public enum IntEnum {
+ A,B,C
+ }
+
+ public enum UintEnum : uint {
+ A,B,C
+ }
+
+ static bool TryCast<T> (object o) {
+ return o is T[];
+ }
+
+ public static int test_0_primitive_array_cast () {
+ object a = new int[1];
+ object b = new uint[1];
+ object c = new IntEnum[1];
+ object d = new UintEnum[1];
+
+ object[] arr = new object[] { a, b, c, d };
+ int err = 1;
+
+ foreach (var v in arr) {
+ if (!TryCast<int> (v))
+ return err;
+ if (!TryCast<uint> (v))
+ return err + 1;
+ if (!TryCast<IntEnum> (v))
+ return err + 2;
+ if (!TryCast<UintEnum> (v))
+ return err + 3;
+ err += 4;
+ }
+
+ foreach (var v in arr) {
+ if (!(v is int[]))
+ return err;
+ if (!(v is uint[]))
+ return err;
+ if (!(v is IntEnum[]))
+ return err;
+ if (!(v is UintEnum[]))
+ return err;
+ err += 4;
+ }
+ return 0;
+ }
+
+ public static int test_0_intptr_array_cast () {
+ object[] a = new object[] { new int[1], new uint[1] };
+ object[] b = new object[] { new long[1], new ulong[1] };
+ object[] c = new object[] { new IntPtr[1], new UIntPtr[1] };
+
+ int err = 1;
+ if (IntPtr.Size == 4) {
+ foreach (var v in a) {
+ if (!(v is IntPtr[]))
+ return err;
+ if (!(v is IntPtr[]))
+ return err;
+ err += 2;
+ }
+ foreach (var v in b) {
+ if (v is IntPtr[])
+ return err;
+ if (v is IntPtr[])
+ return err;
+ err += 2;
+ }
+
+ foreach (var v in c) {
+ if (!(v is int[]))
+ return err;
+ if (!(v is uint[]))
+ return err;
+ err += 2;
+ }
+ } else {
+ foreach (var v in a) {
+ if (v is IntPtr[])
+ return err;
+ if (v is IntPtr[])
+ return err;
+ err += 2;
+ }
+ foreach (var v in b) {
+ if (!(v is IntPtr[]))
+ return err;
+ if (!(v is IntPtr[]))
+ return err;
+ err += 2;
+ }
+ foreach (var v in c) {
+ if (!(v is long[]))
+ return err;
+ if (!(v is ulong[]))
+ return err;
+ err += 2;
+ }
+ }
+ return 0;
+ }
+
+ public static int test_0_long_indices () {