| // 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. | |
| /// (backslash) uXXXX must have exactly 4 hex digits. | |
| main() { | |
| var str = "Foo\u00"; | |
| // ^^^^ | |
| // [analyzer] SYNTACTIC_ERROR.INVALID_UNICODE_ESCAPE_U_NO_BRACKET | |
| // [cfe] An escape sequence starting with '\u' must be followed by 4 hexadecimal digits. | |
| str = "Foo\uDEEMBar"; | |
| // ^^^^^ | |
| // [analyzer] SYNTACTIC_ERROR.INVALID_UNICODE_ESCAPE_U_NO_BRACKET | |
| // [cfe] An escape sequence starting with '\u' must be followed by 4 hexadecimal digits. | |
| } |