JSTests/test262/test/built-ins/RegExp/S15.10.2.8_A3_T27.js

// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: |
    Parentheses of the form ( Disjunction ) serve both to group the components of the Disjunction pattern together and to save the result of the match.
    The result can be used either in a backreference (\ followed by a nonzero decimal number),
    referenced in a replace string,
    or returned as part of an array from the regular expression matching function
es5id: 15.10.2.8_A3_T27
description: Execute /a|(b)/.exec("a") and check results
---*/

var __string = "a";

var __executed = /a|(b)/.exec(__string);

var __expected = ["a",undefined];
__expected.index = 0;
__expected.input = __string;

assert.sameValue(
  __executed.length,
  __expected.length,
  'The value of __executed.length is expected to equal the value of __expected.length'
);

assert.sameValue(
  __executed.index,
  __expected.index,
  'The value of __executed.index is expected to equal the value of __expected.index'
);

assert.sameValue(
  __executed.input,
  __expected.input,
  'The value of __executed.input is expected to equal the value of __expected.input'
);

for(var index=0; index<__expected.length; index++) {
  assert.sameValue(
    __executed[index],
    __expected[index],
    'The value of __executed[index] is expected to equal the value of __expected[index]'
  );
}