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Add functional replacer with empty result test
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test/built-ins/RegExp/prototype/Symbol.replace/fn-invoke-args-empty-result.js
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// Copyright (C) 2020 Alexey Shvayka. All rights reserved. | ||
// This code is governed by the BSD license found in the LICENSE file. | ||
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/*--- | ||
esid: sec-regexp.prototype-@@replace | ||
description: > | ||
Arguments of functional replaceValue (`exec` result is empty array). | ||
info: | | ||
RegExp.prototype [ @@replace ] ( string, replaceValue ) | ||
[...] | ||
14. For each result in results, do | ||
[...] | ||
e. Let position be ? ToInteger(? Get(result, "index")). | ||
[...] | ||
k. If functionalReplace is true, then | ||
i. Let replacerArgs be « matched ». | ||
ii. Append in list order the elements of captures to the end of the List replacerArgs. | ||
iii. Append position and S to replacerArgs. | ||
[...] | ||
v. Let replValue be ? Call(replaceValue, undefined, replacerArgs). | ||
features: [Symbol.replace] | ||
---*/ | ||
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var args; | ||
var replacer = function() { | ||
args = arguments; | ||
}; | ||
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var r = /./; | ||
r.exec = function() { | ||
return []; | ||
}; | ||
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r[Symbol.replace]('foo', replacer); | ||
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assert.notSameValue(args, undefined); | ||
assert.sameValue(args.length, 3); | ||
assert.sameValue(args[0], 'undefined'); | ||
assert.sameValue(args[1], 0); | ||
assert.sameValue(args[2], 'foo'); |