michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: 
michael@0: var std_iterator = (function() {
michael@0:     try {
michael@0:         for (var _ of new Proxy({}, { get: function(_, name) { throw name; } }))
michael@0:             break;
michael@0:     } catch (name) {
michael@0:         return name;
michael@0:     }
michael@0:     throw 'wat';
michael@0: })();
michael@0: 
michael@0: function assertFalse(a) { assertEq(a, false) }
michael@0: function assertTrue(a) { assertEq(a, true) }
michael@0: function assertNotEq(found, not_expected) { assertFalse(found === expected) }
michael@0: function assertIteratorResult(result, value, done) {
michael@0:     assertDeepEq(result.value, value);
michael@0:     assertEq(result.done, done);
michael@0: }
michael@0: function assertIteratorNext(iter, value) {
michael@0:     assertIteratorResult(iter.next(), value, false);
michael@0: }
michael@0: function assertIteratorDone(iter, value) {
michael@0:     assertIteratorResult(iter.next(), value, true);
michael@0: }