| // Copyright (C) 2016 André Bargull. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-parsefloat-string |
| description: > |
| Leading U+180E is not recognized as whitespace |
| info: | |
| 18.2.4 parseFloat (string) |
| |
| ... |
| 3. Let trimmedString be a substring of inputString consisting of the |
| leftmost code unit that is not a StrWhiteSpaceChar and all code units |
| to the right of that code unit. (In other words, remove leading white |
| space.) If inputString does not contain any such code units, let |
| trimmedString be the empty string. |
| 4. If neither trimmedString nor any prefix of trimmedString satisfies the |
| syntax of a StrDecimalLiteral (see 7.1.3.1), return NaN. |
| ... |
| features: [u180e] |
| ---*/ |
| |
| var mongolianVowelSeparator = "\u180E"; |
| |
| assert.sameValue(parseFloat(mongolianVowelSeparator + "1.1"), NaN, "Single leading U+180E"); |
| assert.sameValue(parseFloat(mongolianVowelSeparator + mongolianVowelSeparator + mongolianVowelSeparator + "1.1"), NaN, "Multiple leading U+180E"); |
| assert.sameValue(parseFloat(mongolianVowelSeparator), NaN, "Only U+180E"); |
