| // Copyright (c) 2019, 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. | |
| /// Unicode escapes must refer to valid Unicode points and not surrogate | |
| /// characters. | |
| main() { | |
| var str = "Foo\u{FFFFFF}"; | |
| // ^^^^^^^^^ | |
| // [analyzer] SYNTACTIC_ERROR.INVALID_CODE_POINT | |
| // [cfe] The escape sequence starting with '\u' isn't a valid code point. | |
| str = "Foo\uD800"; | |
| str = "Foo\uDC00"; | |
| } |