Added test for static protected methods/properties.

tests/Basic/Basic.Tests.cs

@@ -264,6 +264,7 @@ public class BasicTests : GeneratorTestFixture
     public void TestStaticClasses()
     {
         Assert.That(TestStaticClass.Add(1, 2), Is.EqualTo(3));
+        Assert.That(TestStaticClass.OneTwoThree, Is.EqualTo(123));
         Assert.That(TestStaticClassDerived.Foo(), Is.EqualTo(0));
     }
 

tests/Basic/Basic.h

@@ -294,6 +294,14 @@ struct DLL_API TestStaticClass
 {
     static int Add(int a, int b);
 
+	static int GetOneTwoThree() { return 123; }
+
+protected:
+
+	static int _Mult(int a, int b) { return a * b; }
+
+	static int GetFourFiveSix() { return 456; }
+
 private:
     TestStaticClass();
 };