1 /*
   2  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * JDK-8006529 : Constructor functions that don't need callees must not get
  26  * linked with a MethodHandle boud to a specific function instance.
  27  * @test
  28  * @run
  29  */
  30 
  31 Object.defineProperty(Object.prototype, "extends", {
  32   value: function (superConstructor) {
  33     function ProtoBridge() { }
  34     ProtoBridge.prototype = superConstructor.prototype;
  35     this.prototype = new ProtoBridge();
  36     this.superConstructor = superConstructor;
  37   }
  38 });
  39 
  40 function A() {
  41 }
  42 A.prototype.f = function () {
  43   this.g();
  44 }
  45 
  46 function B() {
  47   B.superConstructor.call(this);
  48   this.f();
  49 }
  50 B.extends(A);
  51 
  52 B.prototype.g = function () {
  53   print("It worked!")
  54 }
  55 
  56 function C() {
  57   C.superConstructor.call(this);
  58 }
  59 C.extends(B);
  60 
  61 var x = [B, C]
  62 for(var i in x) {
  63   print("Doing " + i)
  64   new x[i]()
  65 }