dart-sdk/tests/language/string/unicode1_test.dart
Jens Johansen fd4e41a7af [parser-ish] Better errors on invalid unicode escapes
https://github.com/dart-lang/sdk/issues/48542

Change-Id: Icbdcc939a93c737914091c00aaefa3c4efb2dde0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/237364
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Commit-Queue: Jens Johansen <jensj@google.com>
2022-03-17 13:57:45 +00:00

16 lines
687 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.
/// (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.
}