pythonnet
diff --git a/‎src/embed_tests/TestGILState.cs
Lines changed: 21 additions & 0 deletions b/‎src/embed_tests/TestGILState.cs
Lines changed: 21 additions & 0 deletions
diff --git a/‎src/embed_tests/TestPyObject.cs
Lines changed: 6 additions & 0 deletions b/‎src/embed_tests/TestPyObject.cs
Lines changed: 6 additions & 0 deletions
diff --git a/‎src/runtime/pyint.cs
Lines changed: 3 additions & 3 deletions b/‎src/runtime/pyint.cs
Lines changed: 3 additions & 3 deletions
@@ -0,0 +1,21 @@
+namespace Python.EmbeddingTest
+{
+    using NUnit.Framework;
+    using Python.Runtime;
+
+    public class TestGILState
+    {
+        /// <summary>
+        /// Ensure, that calling <see cref="Py.GILState.Dispose"/> multiple times is safe
+        /// </summary>
+        [Test]
+        public void CanDisposeMultipleTimes()
+        {
+            using (var gilState = Py.GIL())
+            {
+                for(int i = 0; i < 50; i++)
+                    gilState.Dispose();
+            }
+        }
+    }
+}
@@ -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`	`}`