testSlowArrayPop.js

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function testSlowArrayPop() {

    var a = [];

    for (var i = 0; i < 9; i++)

        a[i] = [0];

    a[8].__defineGetter__("0", function () { return 'xyzzy'; });

    var last;

    for (var i = 0; i < 9; i++)

        last = a[i].pop();  // reenters interpreter in getter

    return last;

assertEq(testSlowArrayPop(), 'xyzzy');