| // Copyright 2017 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| info: | |
| RegExpInitialize ( obj, pattern, flags ) |
| 5. If F contains any code unit other than "g", "i", "m", "s", "u", or "y" or if it contains the same code unit more than once, throw a SyntaxError exception. |
| esid: sec-regexpinitialize |
| description: Check that duplicate RegExp flags are disallowed |
| features: [regexp-dotall] |
| ---*/ |
| |
| new RegExp("", "mig"); // single g will not throw SyntaxError |
| assert.throws(SyntaxError, () => new RegExp("", "migg"), "duplicate g"); |
| |
| new RegExp("", "i"); // single i will not throw SyntaxError |
| assert.throws(SyntaxError, () => new RegExp("", "ii"), "duplicate i"); |
| |
| new RegExp("", "m"); // single m will not throw SyntaxError |
| assert.throws(SyntaxError, () => new RegExp("", "mm"), "duplicate m"); |
| |
| new RegExp("", "s"); // single s will not throw SyntaxError |
| assert.throws(SyntaxError, () => new RegExp("", "ss"), "duplicate s"); |
| |
| new RegExp("", "u"); // single u will not throw SyntaxError |
| assert.throws(SyntaxError, () => new RegExp("", "uu"), "duplicate u"); |
| |
| new RegExp("", "y"); // single y will not throw SyntaxError |
| assert.throws(SyntaxError, () => new RegExp("", "yy"), "duplicate y"); |
