michael@0: function inArrayTest() {
michael@0:     var a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
michael@0:     for (var i = 0; i < a.length; i++) {
michael@0:         if (!(i in a))
michael@0:             break;
michael@0:     }
michael@0:     return i;
michael@0: }
michael@0: assertEq(inArrayTest(), 10);