Files
Robert Nystrom 1b2454b85e Migrate language_2/string to null safety.
Change-Id: Ib09f268c8a8edffba007cdd4962550a5e78ff808
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151090
Reviewed-by: Erik Ernst <eernst@google.com>
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
2020-06-17 21:14:43 +00:00

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542 B
Dart

// 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";
}