michael@0: // defineProperty can add array elements, bumping length
michael@0: 
michael@0: var g = newGlobal();
michael@0: g.a = g.Array(0, 1, 2);
michael@0: var dbg = new Debugger;
michael@0: var gw = dbg.addDebuggee(g);
michael@0: var aw = gw.getOwnPropertyDescriptor("a").value;
michael@0: aw.defineProperty(3, {configurable: true, enumerable: true, writable: true, value: 3});
michael@0: assertEq(g.a.length, 4);