diff -r 6f696a0ef12f -r 5452b9fbd253 vm/src/test/java/org/apidesign/vm4brwsr/ExceptionsTest.java
--- a/vm/src/test/java/org/apidesign/vm4brwsr/ExceptionsTest.java	Sat Dec 08 10:32:04 2012 +0100
+++ b/vm/src/test/java/org/apidesign/vm4brwsr/ExceptionsTest.java	Mon Dec 31 12:44:51 2012 +0100
@@ -46,6 +46,30 @@
                     new Double(2.0));
     }
     
+    @Test public void createObject() throws Exception {
+        assertExec("Object created", Exceptions.class, 
+            "newInstance__Ljava_lang_String_2Ljava_lang_String_2",
+            "java.lang.Object",
+            "java.lang.Object"
+        );
+    }
+
+    @Test public void createFloatFails() throws Exception {
+        assertExec("Float not created", Exceptions.class, 
+            "newInstance__Ljava_lang_String_2Ljava_lang_String_2",
+            "java.lang.Float",
+            "java.lang.Float"
+        );
+    }
+
+    @Test public void createUnknownFails() throws Exception {
+        assertExec("Object created", Exceptions.class, 
+            "newInstance__Ljava_lang_String_2Ljava_lang_String_2",
+            "CNFE:org.apidesign.Unknown",
+            "org.apidesign.Unknown"
+        );
+    }
+    
     private static CharSequence codeSeq;
     private static Invocable code;