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stringify-replacer.js

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//-------------------------------------------------------------------------------------------------------

// Copyright (C) Microsoft. All rights reserved.

// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.

//-------------------------------------------------------------------------------------------------------

var o = new Array();

var a = new Object();

// Generate getter that will return a constructed string

function propString(i)

{

return function() { var ret = "a" + i; return ret; };

}

function init(o, a)

{

for (var i = 0; i < 21; i++)

{

// Create a replacer array that doesn't hold the string reference by using a getter to create

// the string.

Object.defineProperty(o, i, { get: propString(i) } );

// Initialize the object to be stringify

a["a" + i] = i;

}

}

init(o,a);

WScript.Echo(JSON.stringify(a,o));

// Bug 30349 - invalid replacer array element after valid element causes crash regardless of input

WScript.Echo(JSON.stringify(true, [new Number(1.5), true])); // Original repro

WScript.Echo(JSON.stringify(false, [new Number(1.5), true]));

WScript.Echo(JSON.stringify(null, [new Number(1.5), true]));

// Valid input should just ignore any bad replacer array elements

WScript.Echo(JSON.stringify(a, [false, "a0", true, "a10", false]));