Robert Nystrom
fc1b1ecc71
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
18 lines
770 B
Dart
18 lines
770 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
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// [cfe] An escape sequence starting with '\u' must be followed by 4 hexadecimal digits or from 1 to 6 digits between '{' and '}'.
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str = "Foo\u{000000000}Bar";
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str = "Foo\u{DEAF!}Bar";
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// ^^^^^^^^
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// [analyzer] SYNTACTIC_ERROR.INVALID_UNICODE_ESCAPE
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// [cfe] An escape sequence starting with '\u' must be followed by 4 hexadecimal digits or from 1 to 6 digits between '{' and '}'.
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}
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