regress-503860.js - mozsearch

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/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- */

/*

 * Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/licenses/publicdomain/

 * Contributor: Jason Orendorff

*/

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

var BUGNUMBER = 503860;

var summary = "Don't shadow a readonly or setter proto-property";

var expect = "PASS";

var actual = "FAIL";

var a = {y: 1};

function B(){}

B.prototype.__defineSetter__('x', function setx(val) { actual = expect; });

var b = new B;

b.y = 1;

var arr = [a, b];       // same shape prior to bug 497789 fix

for (var obj of arr)

    obj.x = 2;          // should call b's setter but doesn't

reportCompare(expect, actual, summary);