// Copyright (C) 2015 Mike Pennisi. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: > The `lastIndex` property is not coerced for a non-empty string match es6id: 21.2.5.6 info: | 7. If global is false, then [...] 8. Else global is true, [...] g. Repeat, i. Let result be RegExpExec(rx, S). [...] iv. Else result is not null, 1. Let matchStr be ToString(Get(result, "0")). [...] 5. If matchStr is the empty String, then a. Let thisIndex be ToLength(Get(rx, "lastIndex")). b. ReturnIfAbrupt(thisIndex). features: [Symbol.match] ---*/ var r = /./g; var nextMatch; r.exec = function() { var thisMatch = nextMatch; if (thisMatch === null) { return null; } nextMatch = null; return { get 0() { r.lastIndex = { valueOf: function() { throw new Test262Error('This function should not be invoked.'); } }; return thisMatch; } }; }; nextMatch = 'a non-empty string'; r[Symbol.match](''); reportCompare(0, 0);