mirror of https://github.com/tc39/test262.git
25 lines
819 B
JavaScript
25 lines
819 B
JavaScript
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-atomescape
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es6id: 21.2.2.9
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description: >
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Support for surrogate pairs within patterns match by the CharacterClassEscape
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AtomEscape
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info: |
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The production AtomEscape :: CharacterClassEscape evaluates as follows:
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1. Evaluate CharacterClassEscape to obtain a CharSet A.
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2. Call CharacterSetMatcher(A, false) and return its Matcher result.
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Runtime Semantics: CharacterSetMatcher Abstract Operation
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1. Return an internal Matcher closure that takes two arguments, a State x and
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a Continuation c, and performs the following steps when evaluated:
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[...]
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d. Let cc be Canonicalize(ch).
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[...]
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---*/
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assert(/^\S$/u.test('\ud800\udc00'));
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