@@ -57,5 +57,11 @@ def add(self, x, y):
                 Assert.IsTrue(memberNames.Contains(expectedName), "Could not find member '{0}'.", expectedName);
             }
         }
+
+        [Test]
+        public void InvokeNull() {
+            var list = PythonEngine.Eval("list");
+            Assert.Throws<ArgumentNullException>(() => list.Invoke(new PyObject[] {null}));
+        }
     }
 }
@@ -62,7 +62,7 @@ public PyInt(int value)
         /// Creates a new Python int from a uint32 value.
         /// </remarks>
         [CLSCompliant(false)]
-        public PyInt(uint value) : base(IntPtr.Zero)
+        public PyInt(uint value)
         {
             obj = Runtime.PyInt_FromInt64(value);
             Runtime.CheckExceptionOccurred();
@@ -75,7 +75,7 @@ public PyInt(uint value) : base(IntPtr.Zero)
         /// <remarks>
         /// Creates a new Python int from an int64 value.
         /// </remarks>
-        public PyInt(long value) : base(IntPtr.Zero)
+        public PyInt(long value)
         {
             obj = Runtime.PyInt_FromInt64(value);
             Runtime.CheckExceptionOccurred();
@@ -89,7 +89,7 @@ public PyInt(long value) : base(IntPtr.Zero)
         /// Creates a new Python int from a uint64 value.
         /// </remarks>
         [CLSCompliant(false)]
-        public PyInt(ulong value) : base(IntPtr.Zero)
+        public PyInt(ulong value)
         {
             obj = Runtime.PyInt_FromInt64((long)value);
             Runtime.CheckExceptionOccurred();
Original file line number	Diff line number	Diff line change
@@ -57,5 +57,11 @@ def add(self, x, y):
57	57	Assert.IsTrue(memberNames.Contains(expectedName), "Could not find member '{0}'.", expectedName);
58	58	}
59	59	}
	60	+
	61	+ [Test]
	62	+ public void InvokeNull() {
	63	+ var list = PythonEngine.Eval("list");
	64	+ Assert.Throws<ArgumentNullException>(() => list.Invoke(new PyObject[] {null}));
	65	+ }
60	66	}
61	67	}