| // Copyright 2017 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| description: Lone surrogates in RegExp group names |
| esid: prod-GroupSpecifier |
| features: [regexp-named-groups] |
| ---*/ |
| |
| assert.throws(SyntaxError, () => eval("/(?<a\uD801>.)/"), "Lead"); |
| assert.throws(SyntaxError, () => eval("/(?<a\uDCA4>.)/"), "Trail"); |
| assert.throws(SyntaxError, () => eval("/(?<a\uD801>.)/u"), "Lead with u flag"); |
| assert.throws(SyntaxError, () => eval("/(?<a\uDCA4>.)/u"), "Trail with u flag"); |
