xref: /external/chromium_org/v8/test/mjsunit/regress/regress-merge-descriptors.js

// Copyright 2013 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
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//       with the distribution.
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//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

var extend = function (d, b) {
  function __() { this.constructor = d; }
  __.prototype = b.prototype;
  d.prototype = new __();
};

var Car = (function (Super) {
  var Car = function () {
    var self = this;

    Super.call(self);

    Object.defineProperties(self, {
      "make": {
        enumerable: true,
        configurable: true,
        get: function () {
          return "Ford";
        }
      }
    });

    self.copy = function () {
      throw new Error("Meant to be overriden");
    };

    return self;
  };

  extend(Car, Super);

  return Car;
}(Object));


var SuperCar = ((function (Super) {
  var SuperCar = function (make) {
    var self = this;

    Super.call(self);


    Object.defineProperties(self, {
      "make": {
        enumerable: true,
        configurable: true,
        get: function () {
          return make;
        }
      }
    });

    // Convert self.copy from CONSTANT to FIELD.
    self.copy = function () { };

    return self;
  };
  extend(SuperCar, Super);
  return SuperCar;
})(Car));

assertEquals("Ford", new Car().make);
assertEquals("Bugatti", new SuperCar("Bugatti").make);
assertEquals("Lambo", new SuperCar("Lambo").make);
assertEquals("Shelby", new SuperCar("Shelby").make);