diff --git a/test/cppia/Client.hx b/test/cppia/Client.hx
index 85a8b274a..23432d127 100644
--- a/test/cppia/Client.hx
+++ b/test/cppia/Client.hx
@@ -5,6 +5,15 @@ class ClientOne implements pack.HostInterface
    public function getOneString() : String return "1";
 }
 
+class ClientFoo implements IFoo {
+
+   public function new() {}
+
+   public function baz():String {
+       return 'foo';
+   }
+}
+
 class Client
 {
    public static var clientBool0 = true;
diff --git a/test/cppia/CppiaHost.hx b/test/cppia/CppiaHost.hx
index 611a09c2e..155ee01d4 100644
--- a/test/cppia/CppiaHost.hx
+++ b/test/cppia/CppiaHost.hx
@@ -1,105 +1,9 @@
-import cpp.cppia.Host;
+import utest.UTest;
+import utest.Test;
 
-import HostBase;
-import HostExtendedRoot;
-
-class HostOne implements pack.HostInterface
+class CppiaHost extends Test
 {
-   public static var called = 0;
-
-   public function new()
-   {
-   }
-
-   public function getOne() : Int
-   {
-      called ++;
-      return 1;
-   }
-   public function getOneString() : String
-   {
-     called++;
-     return "1";
-   }
-}
-
-class CppiaHost
-{
-
-   public static function main()
-   {
-      Common.hostImplementation = new HostOne();
-
-      Common.callback = () -> Common.callbackSet = 1;
-
-      /*
-      if (new HostExtends().getYou().extendOnly != 1)
-      {
-         Sys.println("extend-overide type failed");
-         Sys.exit(-1);
-      }
-      */
-
-      Host.main();
-      Sys.println("TestStatus: " + Common.status );
-      if (Common.status!="ok")
-      {
-         Sys.println("failed");
-         Sys.exit(-1);
-      }
-      else
-      {
-         if (HostOne.called!=2)
-         {
-            Sys.println("No client implementation call - failed");
-            Sys.exit(-1);
-         }
-
-         if (Common.clientImplementation==null)
-         {
-            Sys.println("No client implementation - failed");
-            Sys.exit(-1);
-         }
-         if (Common.clientImplementation.getOne()!=1)
-         {
-            Sys.println("Bad client Int implementation - failed");
-            Sys.exit(-1);
-         }
-         if (Common.clientImplementation.getOneString()!="1")
-         {
-            Sys.println("Bad client String implementation - failed");
-            Sys.exit(-1);
-         }
-
-         var hostBase:HostBase = Type.createInstance(Type.resolveClass("ClientExtends2"),[]);
-
-         if (!hostBase.testUpdateOverride())
-         {
-            Sys.println("Bad update override");
-            Sys.exit(-1);
-         }
-
-         Common.callback();
-         if (Common.callbackSet!=2)
-         {
-            Sys.println("Bad cppia closure");
-            Sys.exit(-1);
-         }
-
-         #if (haxe >= version("4.3.6"))
-         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);   
-         }
-         #end
-      }
+   public static function main() {
+      UTest.run([ new cases.TestCommon() ]);
    }
-}
-
+}
\ No newline at end of file
diff --git a/test/cppia/IFoo.hx b/test/cppia/IFoo.hx
new file mode 100644
index 000000000..eedd1a26f
--- /dev/null
+++ b/test/cppia/IFoo.hx
@@ -0,0 +1,3 @@
+interface IFoo {
+    function baz() : String;
+}
\ No newline at end of file
diff --git a/test/cppia/cases/TestCommon.hx b/test/cppia/cases/TestCommon.hx
new file mode 100644
index 000000000..eaacb5a76
--- /dev/null
+++ b/test/cppia/cases/TestCommon.hx
@@ -0,0 +1,83 @@
+package cases;
+
+import cpp.cppia.Host;
+import utest.Test;
+import utest.Assert;
+
+private class HostOne implements pack.HostInterface
+{
+    public static var called = 0;
+
+    public function new() {}
+
+    public function getOne() : Int {
+        called ++;
+        return 1;
+    }
+
+    public function getOneString() : String {
+        called++;
+        return "1";
+    }
+}
+
+class TestCommon extends Test {
+    function setupClass() {  
+        Common.hostImplementation = new HostOne();
+    
+        Common.callback = () -> Common.callbackSet = 1;
+
+        Host.main();
+    }
+
+    function testStatus() {
+        Assert.equals('ok', Common.status);
+    }
+
+    @:depends(testStatus)
+    function testClientImplementation() {
+        Assert.equals(2, HostOne.called, 'No client implementation call');
+
+        if (Assert.notNull(Common.clientImplementation, 'No client implementation')) {
+            Assert.equals(1, Common.clientImplementation.getOne(), 'Bad client Int implementation');
+            Assert.equals('1', Common.clientImplementation.getOneString(), 'Bad client String implementation');
+        }
+    }
+
+    @:depends(testStatus)
+    function testResolvingScriptType() {
+        var hostBase:HostBase = Type.createInstance(Type.resolveClass("ClientExtends2"),[]);
+        if (Assert.notNull(hostBase, 'Failed to create client type')) {
+            Assert.isTrue(hostBase.testUpdateOverride(), 'Bad update override');
+        }
+    }
+
+    @:depends(testStatus)
+    function testCallback() {
+        Common.callback();
+    
+        Assert.equals(2, Common.callbackSet, 'Bad cppia closure');
+    }
+
+    @:depends(testStatus)
+    function testInterfaceCalling() {
+        final obj : IFoo = Type.createInstance(Type.resolveClass('ClientFoo'), []);
+
+        if (Assert.notNull(obj, 'Unable to create client implementation')) {
+            Assert.equals('foo', obj.baz());
+        }
+    }
+
+#if (haxe >= version("4.3.6"))
+    @:depends(testStatus)
+    function testMultiLevelInheritance() {
+        if (Assert.notNull(Common.clientRoot, 'Null client root class')) {
+            if (Assert.equals(3, Common.clientRoot.values.length, 'Expected three items in the array')) {
+                Assert.equals(0, Common.clientRoot.values[0]);
+                Assert.equals(1, Common.clientRoot.values[1]);
+                Assert.equals(2, Common.clientRoot.values[2]);
+            }
+        }
+    }
+#end
+}
\ No newline at end of file
diff --git a/test/cppia/compile-host.hxml b/test/cppia/compile-host.hxml
index 0c39f79c5..efe8bdf09 100644
--- a/test/cppia/compile-host.hxml
+++ b/test/cppia/compile-host.hxml
@@ -1,5 +1,6 @@
 -m CppiaHost
 -D scriptable
 -D dll_export=host_classes.info
+-L utest
 --dce no
 --cpp bin
\ No newline at end of file