| // Copyright (c) 2011, 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. |
| |
| // @dart = 2.9 |
| |
| /// @assertion abstract int codeUnitAt(int index) |
| /// Returns the 16-bit UTF-16 code unit at the given index. |
| /// @description Checks that the returned code point is correct |
| /// @author msyabro |
| |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| Expect.isTrue("a".codeUnitAt(0) == 0x61); |
| Expect.isTrue(" ".codeUnitAt(0) == 0x20); |
| |
| Expect.isTrue("abcdefghij".codeUnitAt(9) == 0x6A); |
| Expect.isTrue("\u{10000}".codeUnitAt(0) == 0xd800); |
| } |
