array-iterator-empty.js (278B)
1 // Array.keys() and .entries() on an empty array produce empty iterators 2 3 var arr = []; 4 var ki = arr.keys(), ei = arr.entries(); 5 var p = Object.getPrototypeOf(ki); 6 assertEq(Object.getPrototypeOf(ei), p); 7 8 for (let k of ki) 9 throw "FAIL"; 10 for (let [k, v] of ei) 11 throw "FAIL";