gecko-dev/js/tests/js1_3/browser.js

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

/*
 * JavaScript test library shared functions file for running the tests
 * in the browser.  Overrides the shell's print function with document.write
 * and make everything HTML pretty.
 *
 * To run the tests in the browser, use the mkhtml.pl script to generate
 * html pages that include the shell.js, browser.js (this file), and the
 * test js file in script tags.
 *
 * The source of the page that is generated should look something like this:
 *      <script src="./../shell.js"></script>
 *      <script src="./../browser.js"></script>
 *      <script src="./mytest.js"></script>
 */

GLOBAL = this + '';

function writeLineToLog( string ) {
  document.write( string + "<br>\n");
}
function writeHeaderToLog( string ) {
  document.write( "<h2>" + string + "</h2>" );
}
function writeFormattedResult( expect, actual, string, passed ) {
  var s = "<tt>"+ string ;
  s += "<b>" ;
  s += ( passed ) ? "<font color=#009900> &nbsp;" + PASSED
    : "<font color=#aa0000>&nbsp;" +  FAILED + expect + "</tt>";
  writeLineToLog( s + "</font></b></tt>" );
  return passed;
}


/*
 * The earlier versions of the test code used exceptions
 * to terminate the test script in "negative" test cases
 * before the failure reporting code could run. In order
 * to be able to capture errors for the "negative" case 
 * where the exception is a sign the test actually passed,
 * the err online handler will assume that any error is a 
 * failure unless gExceptionExpected is true.
 */
window.onerror = err;
var gExceptionExpected = false;

function err( msg, page, line ) {
  var testcase;

  if (typeof(EXPECTED) == "undefined" || EXPECTED != "error") {
    /*
     * an unexpected exception occured
     */
    writeLineToLog( "Test failed with the message: " + msg );
    testcase = new TestCase(SECTION, "unknown", "unknown", "unknown");
    testcase.passed = false;
    testcase.reason = "Error: " + msg + 
      " Source File: " + page + " Line: " + line + ".";
    if (document.location.href.indexOf('-n.js') != -1)
    {
      // negative test
      testcase.passed = true;
    }
    return;
  }

  if (typeof SECTION == 'undefined')
  {
    SECTION = 'Unknown';
  }
  if (typeof DESCRIPTION == 'undefined')
  {
    DESCRIPTION = 'Unknown';
  }
  if (typeof EXPECTED == 'undefined')
  {
    EXPECTED = 'Unknown';
  }

  testcase = new TestCase(SECTION, DESCRIPTION, EXPECTED, "error");
  testcase.reason += "Error: " + msg + 
    " Source File: " + page + " Line: " + line + ".";
  stopTest();
}

function version(v)
{
  if (v) { 
    gVersion = v; 
  } 
  return gVersion; 
}

function gc()
{
  // Thanks to igor.bukanov@gmail.com
  for (var i = 0; i != 1 << 15; ++i) 
  {
    new Object();
  }
}