blob: 53f0aec1fe55ea8d8016e1070aae4227e7807589 [file] [log] [blame]
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
/// @assertion E first
/// @description Checks that [first] throws exception if [Iterator] is empty.
/// @author
import "../../../Utils/expect.dart";
import "dart:collection";
class NaturalIterator implements Iterator<int> {
bool moveNext() { return false; }
int get current => 10;
class MyIterable extends Object with IterableMixin {
Iterator<int> get iterator {
return new NaturalIterator();
main() {
IterableMixin iterable = new MyIterable();
Expect.throws(() { iterable.first; });