blob: 042b64209cd10ad618adc13d66bfcdc1437aefb0 [file] [log] [blame]
// 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.
// @dart = 2.9
/// \u{X*} should have 1-6 hex digits.
main() {
var str = "Foo\u{}Bar";
// ^^^^
// [analyzer] SYNTACTIC_ERROR.INVALID_UNICODE_ESCAPE
// [cfe] An escape sequence starting with '\u' must be followed by 4 hexadecimal digits or from 1 to 6 digits between '{' and '}'.
str = "Foo\u{000000000}Bar";
str = "Foo\u{DEAF!}Bar";
// ^^^^^^^^
// [analyzer] SYNTACTIC_ERROR.INVALID_UNICODE_ESCAPE
// [cfe] An escape sequence starting with '\u' must be followed by 4 hexadecimal digits or from 1 to 6 digits between '{' and '}'.
}