// A set iterator can cope with removing the next entry, then the current entry. | |
load(libdir + "iteration.js"); | |
var set = new Set("abcd"); | |
var iter = set[Symbol.iterator](); | |
assertIteratorNext(iter, "a"); | |
assertIteratorNext(iter, "b"); | |
set.delete("c"); | |
set.delete("b"); | |
assertIteratorNext(iter, "d"); | |
assertIteratorDone(iter, undefined); |