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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");
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