| expected = '1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,'; | |
| function slice(a, b) { | |
| return expected; | |
| } | |
| function f() { | |
| var length = 4; | |
| var index = 0; | |
| function get3() { | |
| if (length - index < 3) | |
| return null; | |
| return slice(index, ++index); | |
| } | |
| var bytes = null; | |
| while (bytes = get3()) { } | |
| } | |
| f(); |