// Copyright (C) 2016 André Bargull. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-parseint-string-radix description: > Leading U+180E is not recognized as whitespace info: > 18.2.5 parseInt (string , radix) ... 3. Let S be a newly created substring of inputString consisting of the first code unit that is not a StrWhiteSpaceChar and all code units following that code unit. (In other words, remove leading white space.) If inputString does not contain any such code unit, let S be the empty string ... 13. If S contains a code unit that is not a radix-R digit, let Z be the substring of S consisting of all code units before the first such code unit; otherwise, let Z be S. 14. If Z is empty, return NaN. ... ---*/ var mongolianVowelSeparator = "\u180E"; assert.sameValue(parseInt(mongolianVowelSeparator + "1"), NaN, "Single leading U+180E"); assert.sameValue(parseInt(mongolianVowelSeparator + mongolianVowelSeparator + mongolianVowelSeparator + "1"), NaN, "Multiple leading U+180E"); assert.sameValue(parseInt(mongolianVowelSeparator), NaN, "Only U+180E");