diff -r 62dd2c794431 -r 62c327a1e23f vm/src/test/java/org/apidesign/vm4brwsr/ArrayTest.java
--- a/vm/src/test/java/org/apidesign/vm4brwsr/ArrayTest.java	Thu Jan 24 00:11:04 2013 +0100
+++ b/vm/src/test/java/org/apidesign/vm4brwsr/ArrayTest.java	Thu Jan 24 17:08:02 2013 +0100
@@ -72,6 +72,9 @@
     @Test public void verifyObjectArrayClass() throws Exception {
         assertExec("Returns 'Object[]'", Array.class, "objectArrayClass__Ljava_lang_String_2", Array.objectArrayClass());
     }
+    @Test public void verifyInstanceOfArray() throws Exception {
+        assertExec("Returns 'false'", Array.class, "instanceOfArray__ZLjava_lang_Object_2", Double.valueOf(0), "non-array");
+    }
     
     private static CharSequence codeSeq;
     private static Invocable code;