four-ignore-non-hex.js (1767B)
1 // Copyright (C) 2016 the V8 project authors. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 /*--- 4 esid: sec-unescape-string 5 es6id: B.2.1.2 6 description: > 7 Does not transform four-character patterns that contain non-hexadecimal 8 digits 9 info: | 10 [...] 11 5. Repeat, while k ≠ length, 12 [...] 13 a. Let c be the code unit at index k within string. 14 b. If c is %, then 15 i. If k ≤ length-6 and the code unit at index k+1 within string is u 16 and the four code units at indices k+2, k+3, k+4, and k+5 within 17 string are all hexadecimal digits, then 18 1. Let c be the code unit whose value is the integer represented 19 by the four hexadecimal digits at indices k+2, k+3, k+4, and 20 k+5 within string. 21 2. Increase k by 5. 22 [...] 23 ---*/ 24 25 assert.sameValue(unescape('%u000%0'), '%u000%0'); 26 27 assert.sameValue(unescape('%u000g0'), '%u000g0'); 28 assert.sameValue(unescape('%u000G0'), '%u000G0'); 29 assert.sameValue(unescape('%u00g00'), '%u00g00'); 30 assert.sameValue(unescape('%u00G00'), '%u00G00'); 31 assert.sameValue(unescape('%u0g000'), '%u0g000'); 32 assert.sameValue(unescape('%u0G000'), '%u0G000'); 33 assert.sameValue(unescape('%ug0000'), '%ug0000'); 34 assert.sameValue(unescape('%uG0000'), '%uG0000'); 35 36 assert.sameValue(unescape('%u000u0'), '%u000u0'); 37 assert.sameValue(unescape('%u000U0'), '%u000U0'); 38 assert.sameValue(unescape('%u00u00'), '%u00u00'); 39 assert.sameValue(unescape('%u00U00'), '%u00U00'); 40 assert.sameValue(unescape('%u0u000'), '%u0u000'); 41 assert.sameValue(unescape('%u0U000'), '%u0U000'); 42 assert.sameValue(unescape('%uu0000'), '%uu0000'); 43 assert.sameValue(unescape('%uU0000'), '%uU0000'); 44 45 reportCompare(0, 0);