| // Copyright 2017 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| description: Various syntax errors for Unicode RegExps containing named groups |
| esid: prod-GroupSpecifier |
| features: [regexp-named-groups] |
| ---*/ |
| |
| assert.throws(SyntaxError, () => eval("/(?<>a)/u"), "Empty name"); |
| assert.throws(SyntaxError, () => eval("/(?<aa)/u"), "Unterminated name"); |
| assert.throws(SyntaxError, () => eval("/(?<42a>a)/u"), "Name starting with digits"); |
| assert.throws(SyntaxError, () => eval("/(?<:a>a)/u"), "Name starting with invalid char"); |
| assert.throws(SyntaxError, () => eval("/(?<a:>a)/u"), "Name containing with invalid char"); |
| assert.throws(SyntaxError, () => eval("/(?<a>a)(?<a>a)/u"), "Duplicate name"); |
| assert.throws(SyntaxError, () => eval("/(?<a>a)(?<b>b)(?<a>a)/u"), "Duplicate name"); |
| assert.throws(SyntaxError, () => eval("/\\k<a>/u"), "Invalid reference"); |
| assert.throws(SyntaxError, () => eval("/\\k<a/u"), "Unterminated reference"); |
| assert.throws(SyntaxError, () => eval("/\\k<>/u"), "Empty reference"); |
| assert.throws(SyntaxError, () => eval("/\\k/u"), "Lone \k"); |
| assert.throws(SyntaxError, () => eval("/(?<a>.)\\k/u"), "Lone \k"); |
| assert.throws(SyntaxError, () => eval("/(?<a>.)\\k<a/u"), "Unterminated reference"); |
| assert.throws(SyntaxError, () => eval("/(?<a>.)\\k<>/u"), "Empty reference"); |
| assert.throws(SyntaxError, () => eval("/(?<a>.)\\k<b>/u"), "Invalid reference"); |
| assert.throws(SyntaxError, () => eval("/(?<a>a)\\k<ab>/u"), "Invalid reference"); |
| assert.throws(SyntaxError, () => eval("/(?<ab>a)\\k<a>/u"), "Invalid reference"); |
| assert.throws(SyntaxError, () => eval("/\\k<a>(?<ab>a)/u"), "Invalid reference"); |
| assert.throws(SyntaxError, () => eval("/(?<a>\\a)/u"), "Identity escape in capture"); |
| |
