| // Copyright (c) 2013, 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 void reset([int rawIndex = 0]) |
| /// Resets the iterator to the given index into the string. |
| /// After this the current value is unset. You must call moveNext |
| /// make the rune at the position current, or movePrevious |
| /// for the last rune before the position. |
| /// @description Checks that [current] equals -1 after the reset. |
| /// @author msyabro |
| |
| import "../../../Utils/expect.dart"; |
| |
| check(string, pos) { |
| var it = new RuneIterator(string); |
| it.moveNext(); |
| it.reset(pos); |
| Expect.equals(-1, it.current); |
| } |
| |
| main() { |
| check('', 0); |
| check('a', 1); |
| check('\u{10000}\u{10001}\x01', 2); |
| check('\u{10000}\u{10001}\x01', 4); |
| } |