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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically embedded into Java applications to provide scripting to end users.
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/*
 * Date: 17 September 2001
 *
 * SUMMARY: Regression test for Bugzilla bug 100199
 * See http://bugzilla.mozilla.org/show_bug.cgi?id=100199
 *
 * The empty character class [] is a valid RegExp construct: the condition
 * that a given character belong to a set containing no characters. As such,
 * it can never be met and is always FALSE. Similarly, [^] is a condition
 * that matches any given character and is always TRUE.
 *
 * Neither one of these conditions should cause syntax errors in a RegExp.
 */
//-----------------------------------------------------------------------------
var gTestfile = 'regress-100199.js';
var i = 0;
var BUGNUMBER = 100199;
var summary = '[], [^] are valid RegExp conditions. Should not cause errors -';
var status = '';
var statusmessages = new Array();
var pattern = '';
var patterns = new Array();
var string = '';
var strings = new Array();
var actualmatch = '';
var actualmatches = new Array();
var expectedmatch = '';
var expectedmatches = new Array();


pattern = /[]/;
string = 'abc';
status = inSection(1);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = '';
status = inSection(2);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = '[';
status = inSection(3);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = '/';
status = inSection(4);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = '[';
status = inSection(5);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = ']';
status = inSection(6);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = '[]';
status = inSection(7);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = '[ ]';
status = inSection(8);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = '][';
status = inSection(9);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();


pattern = /a[]/;
string = 'abc';
status = inSection(10);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = '';
status = inSection(11);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = 'a[';
status = inSection(12);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = 'a[]';
status = inSection(13);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = '[';
status = inSection(14);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = ']';
status = inSection(15);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = '[]';
status = inSection(16);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = '[ ]';
status = inSection(17);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();

string = '][';
status = inSection(18);
actualmatch = string.match(pattern);
expectedmatch = null;
addThis();


pattern = /[^]/;
string = 'abc';
status = inSection(19);
actualmatch = string.match(pattern);
expectedmatch = Array('a');
addThis();

string = '';
status = inSection(20);
actualmatch = string.match(pattern);
expectedmatch = null; //there are no characters to test against the condition
addThis();

string = '\/';
status = inSection(21);
actualmatch = string.match(pattern);
expectedmatch = Array('/');
addThis();

string = '\[';
status = inSection(22);
actualmatch = string.match(pattern);
expectedmatch = Array('[');
addThis();
 
string = '[';
status = inSection(23);
actualmatch = string.match(pattern);
expectedmatch = Array('[');
addThis();

string = ']';
status = inSection(24);
actualmatch = string.match(pattern);
expectedmatch = Array(']');
addThis();

string = '[]';
status = inSection(25);
actualmatch = string.match(pattern);
expectedmatch = Array('[');
addThis();

string = '[ ]';
status = inSection(26);
actualmatch = string.match(pattern);
expectedmatch = Array('[');
addThis();

string = '][';
status = inSection(27);
actualmatch = string.match(pattern);
expectedmatch = Array(']');
addThis();


pattern = /a[^]/;
string = 'abc';
status = inSection(28);
actualmatch = string.match(pattern);
expectedmatch = Array('ab');
addThis();

string = '';
status = inSection(29);
actualmatch = string.match(pattern);
expectedmatch = null; //there are no characters to test against the condition
addThis();

string = 'a[';
status = inSection(30);
actualmatch = string.match(pattern);
expectedmatch = Array('a[');
addThis();

string = 'a]';
status = inSection(31);
actualmatch = string.match(pattern);
expectedmatch = Array('a]');
addThis();

string = 'a[]';
status = inSection(32);
actualmatch = string.match(pattern);
expectedmatch = Array('a[');
addThis();

string = 'a[ ]';
status = inSection(33);
actualmatch = string.match(pattern);
expectedmatch = Array('a[');
addThis();

string = 'a][';
status = inSection(34);
actualmatch = string.match(pattern);
expectedmatch = Array('a]');
addThis();




//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------



function addThis()
{
  statusmessages[i] = status;
  patterns[i] = pattern;
  strings[i] = string;
  actualmatches[i] = actualmatch;
  expectedmatches[i] = expectedmatch;
  i++;
}


function test()
{
  enterFunc ('test');
  printBugNumber(BUGNUMBER);
  printStatus (summary);
  testRegExp(statusmessages, patterns, strings, actualmatches, expectedmatches);
  exitFunc ('test');
}