regress-500528.js - mozsearch

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/*

 * Any copyright is dedicated to the Public Domain.

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

 * Contributor: Jason Orendorff

*/

// This test appeared in bug 497789 comment 78.

var a = {x: 'a'},

    b1 = Object.create(a),

    c1 = Object.create(b1),

    b2 = Object.create(a),

    c2 = Object.create(b2);

b2.x = 'b';  // foreshadowing a.x

var s = '';

for (var obj of [c1, c2])

    s += obj.x;

assertEq(s, 'ab');

reportCompare(0, 0, "Property cache soundness: objects with the same shape but different prototypes.");