Add slice call to array_access test

tests/array_access.phpt

@@ -38,10 +38,12 @@ var_dump(PHP.myarr.constructor.name);
 var_dump(PHP.myarr.length);
 var_dump(PHP.myarr[5]);
 var_dump(PHP.myarr.join(', '));
+
+var_dump(PHP.myarr.slice(5, 10).join(', '));
 EOJS;
 
 $v8 = new V8Js();
-$v8->myarr = (object) $myarr;
+$v8->myarr = $myarr;
 $v8->executeString($js);
 
 ?>
@@ -53,4 +55,5 @@ string(5) "Array"
 int(20)
 int(14)
 string(68) "19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0"
+string(18) "14, 13, 12, 11, 10"
 ===EOF===