Files
sdk/tests/language_2/string/unicode2_test.dart
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Leaf Petersen b101a7d002 Add language versions to _2 test libraries
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Leaf Petersen <leafp@google.com>
2021-04-26 17:58:57 +00:00

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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.
// @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 '}'.
}