michael@0: var obj = {firstAttr: 'value', secondAttr: 'another value', thirdAttr: 'the last value'};
michael@0: 
michael@0: (function() {
michael@0:     for (var i = 0; i < 64; ++i) {
michael@0:         var name;
michael@0:         switch (~~(i / 4) % 3) {
michael@0:             case 0: name = 'firstAttr'; break;
michael@0:             case 1: name = 'secondAttr'; break;
michael@0:             case 2: name = 'thirdAttr'; break;
michael@0:         }
michael@0: 
michael@0:         var result = obj[name];
michael@0: 
michael@0:         switch (name) {
michael@0:           case 'firstAttr': assertEq(result, 'value'); break;
michael@0:           case 'secondAttr': assertEq(result, 'another value'); break;
michael@0:           case 'thirdAttr': assertEq(result, 'the last value'); break;
michael@0:         }
michael@0:     }
michael@0: })();
michael@0: 
michael@0: /* Rotate lookup between three ids. */