/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ //----------------------------------------------------------------------------- var BUGNUMBER = "346582"; var summary = "Basic support for iterable objects and for-each"; var actual, expect; printBugNumber(BUGNUMBER); printStatus(summary); /************** * BEGIN TEST * **************/ var failed = false; var iterable = { persistedProp: 17 }; function Array_equals(a, b) { if (!(a instanceof Array) || !(b instanceof Array)) throw new Error("Arguments not both of type Array"); if (a.length != b.length) return false; for (var i = 0, sz = a.length; i < sz; i++) if (a[i] !== b[i]) return false; return true; } try { // nothing unusual so far -- verify basic properties for (var i in iterable) { if (i != "persistedProp") throw "no persistedProp!"; if (iterable[i] != 17) throw "iterable[\"persistedProp\"] == 17"; } var keys = ["foo", "bar", "baz"]; var vals = [6, 5, 14]; iterable.__iterator__ = function(keysOnly) { var gen = function() { for (var i = 0; i < keys.length; i++) { if (keysOnly) yield keys[i]; else yield [keys[i], vals[i]]; } }; return gen(); }; // for each sets keysOnly==false var index = 0; for each (var v in iterable) { if (!Array_equals(v, [keys[index], vals[index]])) throw "for-each iteration failed on index=" + index + "!"; index++; } if (index != keys.length) throw "not everything iterated! index=" + index + ", keys.length=" + keys.length; if (iterable.persistedProp != 17) throw "iterable.persistedProp not persisted!"; } catch (e) { failed = e; } expect = false; actual = failed; reportCompare(expect, actual, summary);