93 lines
2.8 KiB
JavaScript
93 lines
2.8 KiB
JavaScript
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// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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var extend = function (d, b) {
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function __() { this.constructor = d; }
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__.prototype = b.prototype;
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d.prototype = new __();
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};
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var Car = (function (Super) {
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var Car = function () {
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var self = this;
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Super.call(self);
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Object.defineProperties(self, {
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"make": {
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enumerable: true,
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configurable: true,
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get: function () {
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return "Ford";
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}
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}
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});
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self.copy = function () {
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throw new Error("Meant to be overriden");
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};
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return self;
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};
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extend(Car, Super);
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return Car;
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}(Object));
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var SuperCar = ((function (Super) {
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var SuperCar = function (make) {
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var self = this;
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Super.call(self);
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Object.defineProperties(self, {
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"make": {
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enumerable: true,
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configurable: true,
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get: function () {
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return make;
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}
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}
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});
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// Convert self.copy from CONSTANT to FIELD.
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self.copy = function () { };
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return self;
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};
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extend(SuperCar, Super);
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return SuperCar;
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})(Car));
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assertEquals("Ford", new Car().make);
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assertEquals("Bugatti", new SuperCar("Bugatti").make);
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assertEquals("Lambo", new SuperCar("Lambo").make);
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assertEquals("Shelby", new SuperCar("Shelby").make);
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