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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>
21 lines
956 B
Dart
21 lines
956 B
Dart
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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/// \u{X*} should have 1-6 hex digits.
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main() {
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var str = "Foo\u{}Bar";
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// ^^^^
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// [analyzer] SYNTACTIC_ERROR.INVALID_UNICODE_ESCAPE_U_BRACKET
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// [cfe] An escape sequence starting with '\u{' must be followed by 1 to 6 hexadecimal digits followed by a '}'.
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str = "Foo\u{000000000}Bar";
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// ^^^^^^^^^
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// [analyzer] SYNTACTIC_ERROR.INVALID_UNICODE_ESCAPE_U_BRACKET
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// [cfe] An escape sequence starting with '\u{' must be followed by 1 to 6 hexadecimal digits followed by a '}'.
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str = "Foo\u{DEAF!}Bar";
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// ^^^^^^^^
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// [analyzer] SYNTACTIC_ERROR.INVALID_UNICODE_ESCAPE_U_BRACKET
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// [cfe] An escape sequence starting with '\u{' must be followed by 1 to 6 hexadecimal digits followed by a '}'.
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}
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