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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-atomescape
es6id: 21.2.2.9
description: >
Support for surrogate pairs within patterns match by the DecimalEscape
AtomEscape
info: |
The production AtomEscape :: DecimalEscape evaluates as follows:
[...]
3. Return an internal Matcher closure that takes two arguments, a State x and
a Continuation c, and performs the following steps:
[...]
h. If there exists an integer i between 0 (inclusive) and len (exclusive)
such that Canonicalize(s[i]) is not the same character value as
Canonicalize(Input[e+i]), return failure.
Runtime Semantics: CharacterSetMatcher Abstract Operation
1. Return an internal Matcher closure that takes two arguments, a State x and
a Continuation c, and performs the following steps when evaluated:
[...]
d. Let cc be Canonicalize(ch).
[...]
---*/
assert.sameValue(/(.+).*\1/u.test('\ud800\udc00\ud800'), false);
reportCompare(0, 0);
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