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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-escape-string
es6id: B.2.1.1
description: Escaping of code units above 255
info: |
[...]
5. Repeat, while k < length,
a. Let char be the code unit (represented as a 16-bit unsigned integer)
at index k within string.
[...]
c. Else if char ≥ 256, then
i. Let S be a String containing six code units "%uwxyz" where wxyz
are the code units of the four uppercase hexadecimal digits
encoding the value of char.
[...]
---*/
assert.sameValue(
escape('\u0100\u0101\u0102'), '%u0100%u0101%u0102', '\\u0100\\u0101\\u0102'
);
assert.sameValue(
escape('\ufffd\ufffe\uffff'), '%uFFFD%uFFFE%uFFFF', '\\ufffd\\ufffd\\ufffd'
);
assert.sameValue(
escape('\ud834\udf06'), '%uD834%uDF06', '\\ud834\\udf06 (surrogate pairs)'
);
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