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Edit File: regress-1692.js
// Copyright 2011 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. // Test that Object.prototype.propertyIsEnumerable handles array indices // correctly. var p = Object.create({}, { a : { value : 42, enumerable : true }, b : { value : 42, enumerable : false }, 1 : { value : 42, enumerable : true }, 2 : { value : 42, enumerable : false }, f : { get: function(){}, enumerable: true }, g : { get: function(){}, enumerable: false }, 11 : { get: function(){}, enumerable: true }, 12 : { get: function(){}, enumerable: false } }); var o = Object.create(p, { c : { value : 42, enumerable : true }, d : { value : 42, enumerable : false }, 3 : { value : 42, enumerable : true }, 4 : { value : 42, enumerable : false }, h : { get: function(){}, enumerable: true }, k : { get: function(){}, enumerable: false }, 13 : { get: function(){}, enumerable: true }, 14 : { get: function(){}, enumerable: false } }); // Inherited properties are ignored. assertFalse(o.propertyIsEnumerable("a")); assertFalse(o.propertyIsEnumerable("b")); assertFalse(o.propertyIsEnumerable("1")); assertFalse(o.propertyIsEnumerable("2")); // Own properties. assertTrue(o.propertyIsEnumerable("c")); assertFalse(o.propertyIsEnumerable("d")); assertTrue(o.propertyIsEnumerable("3")); assertFalse(o.propertyIsEnumerable("4")); // Inherited accessors. assertFalse(o.propertyIsEnumerable("f")); assertFalse(o.propertyIsEnumerable("g")); assertFalse(o.propertyIsEnumerable("11")); assertFalse(o.propertyIsEnumerable("12")); // Own accessors. assertTrue(o.propertyIsEnumerable("h")); assertFalse(o.propertyIsEnumerable("k")); assertTrue(o.propertyIsEnumerable("13")); assertFalse(o.propertyIsEnumerable("14")); // Nonexisting properties. assertFalse(o.propertyIsEnumerable("xxx")); assertFalse(o.propertyIsEnumerable("999")); // String object properties. var o = Object("string"); // Non-string property on String object. o[10] = 42; assertTrue(o.propertyIsEnumerable(10)); assertFalse(o.propertyIsEnumerable(0)); // Fast elements. var o = [1,2,3,4,5]; assertTrue(o.propertyIsEnumerable(3));