Quelle test_bug218236.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/dom/base/test/test_bug218236.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 218236</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=218236">Mozilla Bug 218236</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 218236 **/

SimpleTest.waitForExplicitFinish();

/* Test data */

var url_200 = window.location.href;
var url_404 = url_200.replace(/[^/]+$/, "this_file_is_not_going_to_be_there.dummy");
var url_connection_error = url_200.replace(/^(\w+:\/\/[^/]+?)(:\d+)?\//, "$1:9546/");

// List of tests: name of the test, URL to be requested, expected sequence
// of events and optionally a function to be called from readystatechange handler.
// Numbers in the list of events are values of XMLHttpRequest.readyState
// when readystatechange event is triggered.
var tests = [
  ["200 OK",                            url_200,                [1, 2, 3, 4, "load"], null],
  ["404 Not Found",                     url_404,                [1, 2, 3, 4, "load"], null],
  ["connection error",                  url_connection_error,   [1, 4, "error"],      null],
  ["abort() call on readyState = 1",    url_200,                [1, 4],               null, doAbort1],
  ["abort() call on readyState = 2",    url_200,                [1, 2, 4],            doAbort2],
];

var testName = null;
var currentState = 0;
var currentSequence = null;
var expectedSequence = null;
var currentCallback = null;
var finalizeTimeoutID = null;

var request = null;

runNextTest();

function doAbort1() {
  if (request.readyState == 1)
    request.abort();
}
function doAbort2() {
  if (request.readyState == 2)
    request.abort();
}

/* Utility functions */

function runNextTest() {
  if (tests.length) {
    var test = tests.shift();

    // Initialize state variables
    testName = test[0]
    currentState = 0;
    currentSequence = [];
    expectedSequence = test[2];
    currentCallback = test[3];
    postSendCallback = test[4];

    // Prepare request object
    request = new XMLHttpRequest();
    request.onreadystatechange = onReadyStateChange;
    request.open("GET", test[1]);
    request.onload = onLoad;
    request.onerror = onError;

    // Start request
    request.send(null);
    if (postSendCallback)
      postSendCallback();
  }
  else
    SimpleTest.finish();
}

function finalizeTest() {
  finalizeTimeoutID = null;
  ok(compareArrays(expectedSequence, currentSequence), "event sequence for '" + testName + "' was " + currentSequence.join(", "));

  runNextTest();
}

function onReadyStateChange() {
  clearTimeout(finalizeTimeoutID);
  finalizeTimeoutID = null;

  currentState = request.readyState;
  currentSequence.push(currentState);

  if (currentState == 4) {
    // Allow remaining event to fire but then we are finished with this test
    // unless we get another onReadyStateChange in which case we'll cancel
    // this timeout
    finalizeTimeoutID = setTimeout(finalizeTest, 0);
  }

  if (currentCallback)
    currentCallback();
}

function onLoad() {
  currentSequence.push("load");
}

function onError() {
  currentSequence.push("error");
}

function compareArrays(array1, array2) {
  if (array1.length != array2.length)
    return false;

  for (var i = 0; i < array1.length; i++)
    if (array1[i] != array2[i])
      return false;

  return true;
}
</script>
</pre>
</body>
</html>

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