JSTests/test262/test/built-ins/RegExp/prototype/Symbol.replace/result-coerce-groups-err.js

// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-regexp.prototype-@@replace
description: >
  Abrupt completion during coercion of "groups"
  property of the value returned by RegExpExec.
info: |
  RegExp.prototype [ @@replace ] ( string, replaceValue )

  [...]
  14. For each result in results, do
    [...]
    j. Let namedCaptures be ? Get(result, "groups").
    k. If functionalReplace is true, then
      [...]
    l. Else,
      i. If namedCaptures is not undefined, then
        1. Set namedCaptures to ? ToObject(namedCaptures).
features: [Symbol.replace, regexp-named-groups]
---*/

var r = /./;
var coercibleValue = {
  length: 1,
  0: '',
  index: 0,
  groups: null,
};

r.exec = function() {
  return coercibleValue;
};

assert.throws(TypeError, function() {
  r[Symbol.replace]('bar', '');
});