| // Copyright 2016 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // https://github.com/tc39/proposal-regexp-legacy-features#additional-properties-of-the-regexp-constructor |
| |
| const props = [ "input", "$_" |
| , "lastMatch", "$&" |
| , "lastParen", "$+" |
| , "leftContext", "$`" |
| , "rightContext", "$'" |
| , "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$9" |
| ]; |
| |
| for (let i = 0; i < props.length; i++) { |
| const prop = props[i]; |
| const desc = Object.getOwnPropertyDescriptor(RegExp, prop); |
| assertTrue(desc.configurable, prop); |
| assertFalse(desc.enumerable, prop); |
| assertTrue(desc.get !== undefined, prop); |
| |
| // TODO(jgruber): Although the spec proposal specifies setting setters to |
| // undefined, we are not sure that this change would be web-compatible, and |
| // we are intentionally sticking with the old behavior for now. |
| assertTrue(desc.set !== undefined, prop); |
| } |
