JezK
Edit File: debug-constructed-by.js
// Copyright 2008 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // 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 // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // 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 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Flags: --expose-debug-as debug // Get the Debug object exposed from the debug context global object. Debug = debug.Debug // Simple constructor. function Point(x,y) {} // Create mirror for the constructor. var ctor = debug.MakeMirror(Point); // Initially no instances. assertEquals(0, ctor.constructedBy().length); assertEquals(0, ctor.constructedBy(0).length); assertEquals(0, ctor.constructedBy(1).length); assertEquals(0, ctor.constructedBy(10).length); // Create an instance. var p = new Point(); assertEquals(1, ctor.constructedBy().length); assertEquals(1, ctor.constructedBy(0).length); assertEquals(1, ctor.constructedBy(1).length); assertEquals(1, ctor.constructedBy(10).length); // Create 10 more instances making for 11. ps = []; for (var i = 0; i < 10; i++) { ps.push(new Point()); } assertEquals(11, ctor.constructedBy().length); assertEquals(11, ctor.constructedBy(0).length); assertEquals(1, ctor.constructedBy(1).length); assertEquals(10, ctor.constructedBy(10).length);