| // Copyright (C) 2018 Jordan Harband. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: pending |
| description: Behavior when invoking of @@matchAll |
| info: | |
| String.prototype.matchAll ( regexp ) |
| [...] |
| 2. If regexp is neither undefined nor null, then |
| a. Let matcher be ? GetMethod(regexp, @@matchAll). |
| b. If matcher is not undefined, then |
| i. Return ? Call(matcher, regexp, « O »). |
| features: [Symbol.matchAll] |
| ---*/ |
| |
| var obj = {}; |
| var returnVal = {}; |
| var callCount = 0; |
| var thisVal, args; |
| |
| RegExp.prototype[Symbol.matchAll] = function() { |
| callCount++; |
| thisVal = this; |
| args = arguments; |
| return returnVal; |
| }; |
| |
| var regexp = /./; |
| var str = ''; |
| |
| assert.sameValue(str.matchAll(regexp), returnVal); |
| assert.sameValue(callCount, 1, 'Invokes the method exactly once'); |
| assert.sameValue(thisVal, regexp); |
| assert.notSameValue(args, undefined); |
| assert.sameValue(args.length, 1); |
| assert.sameValue(args[0], str); |