Support for calling userdata functions

PorygonSharpTests/UnitTest1.cs

@@ -2,7 +2,6 @@ using System;
 using System.Linq;
 using NUnit.Framework;
 using PorygonSharp;
-using PorygonSharp.UserData;
 using PorygonSharp.Utilities;
 
 namespace PorygonSharpTests

PorygonSharpTests/UserDataTests.cs

@@ -15,6 +15,16 @@ namespace PorygonSharpTests
             public int Bar { get; set; }
             public int GetOnly { get; } = 865;
             public readonly int ReadOnly = 684;
+
+            public int TestFunc()
+            {
+                return 345435;
+            }
+
+            public int Add(int a, int b)
+            {
+                return a + b;
+            }
         }
 
         [Test]
@@ -146,5 +156,59 @@ end
             }
         }
 
+        [Test]
+        public void CanCallUserdataFunction()
+        {
+            UserDataHandler.RegisterType("testObject", typeof(UserDataTestObject));
+            using (var script = new Script(@"
+function test(testObject v)
+    result = v.TestFunc()
+end
+"))
+            {
+                var diags = script.Diagnostics.GetDiagnostics();
+                foreach (var diag in diags)
+                {
+                    throw new Exception(script.Diagnostics.GetFullDiagnosticMessage(diag));
+                }
+
+                script.Evaluate();
+
+                var parameter = new UserDataTestObject();
+
+                script.CallFunction("test", parameter);
+                var variable = script.GetVariable("result");
+                Assert.AreEqual(TypeClass.Number ,variable.GetTypeClass());
+                Assert.AreEqual(345435, script.GetVariable("result").EvaluateInteger());
+            }
+        }
+
+        [Test]
+        public void CanCallUserdataFunctionWithArguments()
+        {
+            UserDataHandler.RegisterType("testObject", typeof(UserDataTestObject));
+            using (var script = new Script(@"
+function test(testObject v)
+    result = v.Add(5, 200)
+end
+"))
+            {
+                var diags = script.Diagnostics.GetDiagnostics();
+                foreach (var diag in diags)
+                {
+                    throw new Exception(script.Diagnostics.GetFullDiagnosticMessage(diag));
+                }
+
+                script.Evaluate();
+
+                var parameter = new UserDataTestObject();
+
+                script.CallFunction("test", parameter);
+                var variable = script.GetVariable("result");
+                Assert.AreEqual(TypeClass.Number ,variable.GetTypeClass());
+                Assert.AreEqual(205, script.GetVariable("result").EvaluateInteger());
+            }
+        }
+
     }
 }