testSetElem-Indexed.js

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// vim: set ts=8 sts=4 et sw=4 tw=99:

function f() {

    return [[], [], [], []];

function setelem(obj, key, val) {

    obj[key] = val;

// Generate IC

setelem([], 0, "hi");

setelem([], 0, "hi");

// Get some arrays pre-indexing.

var arrays = f();

// Do bad stuff.

Object.defineProperty(Object.prototype, "1", { set: function (v) { this.kettle = v; } });

var k = arrays[0];

setelem(k, 1, 13);

assertEq(k.kettle, 13);

assertEq(k.hasOwnProperty("1"), false);

Object.defineProperty(Array.prototype, "2", { set: function (v) { this.pot = v; } });

k = arrays[1];

setelem(k, 2, "yam");

assertEq(k.pot, "yam");

gc();

// make sure this reset okay.

setelem([], 0, "hi");

setelem([], 0, "hi");