add cppia test for multi level inheritance in host

test/cppia/Client.hx

@@ -159,6 +159,14 @@ class Client
          return;
       }
 
+
+      final extending = new ClientExtendedExtendedRoot();
+
+      extending.addValue();
+
+      Common.clientRoot = extending;
+
+
       Common.clientImplementation = new ClientOne();
       Common.status = "ok";
 

test/cppia/ClientExtendedExtendedRoot.hx

@@ -0,0 +1,7 @@
+class ClientExtendedExtendedRoot extends HostExtendedRoot {
+    override function addValue() {
+        super.addValue();
+
+        values.push(2);
+    }
+}

test/cppia/Common.hx

@@ -3,6 +3,7 @@ class Common
    public static var status:String = "tests not run";
    public static var hostImplementation:pack.HostInterface;
    public static var clientImplementation:pack.HostInterface;
+   public static var clientRoot:HostRoot;
 
    public static var callbackSet:Int = 0;
    public static var callback: Void->Void;

test/cppia/CppiaHost.hx

@@ -1,6 +1,7 @@
 import cpp.cppia.Host;
 
 import HostBase;
+import HostExtendedRoot;
 
 class HostOne implements pack.HostInterface
 {
@@ -84,6 +85,19 @@ class CppiaHost
             Sys.println("Bad cppia closure");
             Sys.exit(-1);
          }
+
+         if (Common.clientRoot == null) {
+            Sys.println("null client root class");
+            Sys.exit(-1);
+         }
+
+         switch Common.clientRoot.values {
+            case [ 0, 1, 2 ]:
+               //
+            case _:
+               Sys.println("Unexpected items in array");
+               Sys.exit(-1);   
+         }
       }
    }
 }

test/cppia/HostExtendedRoot.hx

@@ -0,0 +1,7 @@
+class HostExtendedRoot extends HostRoot {
+    override function addValue() {
+        super.addValue();
+
+        values.push(1);
+    }
+}

test/cppia/HostRoot.hx

@@ -0,0 +1,11 @@
+class HostRoot {
+    public final values:Array<Int>;
+
+    public function new() {
+        values = [];
+    }
+
+    public function addValue() {
+        values.push(0);
+    }
+}