Added tests for out enums.

tests/Basic/Basic.Tests.cs

@@ -77,6 +77,28 @@ public class BasicTests : GeneratorTestFixture
         Assert.That(f, Is.EqualTo(10.0f));
     }
 
+    [Test]
+    public void TestEnumOut()
+    {
+        var hello = new Hello();
+
+        int value = (int)Enum.C;
+        Enum e;
+        hello.EnumOut(value, out e);
+        Assert.That(e, Is.EqualTo(value));
+    }
+
+    [Test]
+    public void TestEnumOutRef()
+    {
+        var hello = new Hello();
+
+        int value = (int)Enum.C;
+        Enum e;
+        hello.EnumOutRef(value, out e);
+        Assert.That(e, Is.EqualTo(value));
+    }
+
     [Test]
     public void TestNullRef()
     {

tests/Basic/Basic.cpp

@@ -169,6 +169,16 @@ bool Hello::TestPrimitiveOutRef(CS_OUT float& f)
     return true;
 }
 
+void Hello::EnumOut(int value, CS_OUT Enum* e)
+{
+    *e = (Enum)value;
+}
+
+void Hello::EnumOutRef(int value, CS_OUT Enum& e)
+{
+    e = (Enum)value;
+}
+
 int unsafeFunction(const Bar& ret, char* testForString, void (*foo)(int))
 {
     return ret.A;

tests/Basic/Basic.cs

@@ -31,6 +31,8 @@ namespace CppSharp.Tests
             ctx.SetClassAsValueType("Bar2");
             ctx.SetMethodParameterUsage("Hello", "TestPrimitiveOut", 1, ParameterUsage.Out);
             ctx.SetMethodParameterUsage("Hello", "TestPrimitiveOutRef", 1, ParameterUsage.Out);
+            ctx.SetMethodParameterUsage("Hello", "EnumOut", 2, ParameterUsage.Out);
+            ctx.SetMethodParameterUsage("Hello", "EnumOutRef", 2, ParameterUsage.Out);
         }
 
         public static void Main(string[] args)

tests/Basic/Basic.h

@@ -123,6 +123,9 @@ public:
 
     bool TestPrimitiveOut(CS_OUT float* f);
     bool TestPrimitiveOutRef(CS_OUT float& f);
+
+    void EnumOut(int value, CS_OUT Enum* e);
+    void EnumOutRef(int value, CS_OUT Enum& e);
 };
 
 class DLL_API AbstractFoo