test262/test/annexB/built-ins/unescape/four-ignore-bad-u.js

29 lines
1.1 KiB
JavaScript

// 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-unescape-string
es6id: B.2.1.2
description: >
Does not transform four-character patterns that are not prefixed with the
character "u"
info: |
[...]
5. Repeat, while k ≠ length,
[...]
a. Let c be the code unit at index k within string.
b. If c is %, then
i. If k ≤ length-6 and the code unit at index k+1 within string is u
and the four code units at indices k+2, k+3, k+4, and k+5 within
string are all hexadecimal digits, then
1. Let c be the code unit whose value is the integer represented
by the four hexadecimal digits at indices k+2, k+3, k+4, and
k+5 within string.
2. Increase k by 5.
[...]
---*/
assert.sameValue(unescape('%U0000'), '%U0000');
assert.sameValue(unescape('%t0000'), '%t0000');
assert.sameValue(unescape('%v0000'), '%v0000');
assert.sameValue(unescape('%%0000'), '%\x0000');