test_bug782342.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=782342

-->

<head>

  <title>Test for bug 782342 - blob: protocol no Content-Length header</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=782342">Mozilla Bug 782342 - blob: protocol no Content-Length header</a>

<p id="display">

  <input id="fileList" type="file"></input>

</p>

<script type="text/javascript">

SimpleTest.waitForExplicitFinish();

var url = "file_bug782342.txt";

var xhr = new XMLHttpRequest();

xhr.open("GET", url, true);

xhr.responseType = "blob";

function checkHeaders(xhrInner) {

  var headers = xhrInner.getAllResponseHeaders();

  dump(headers + "\n");

  var p = headers.split("\n");

  var contentType = false;

  var contentLength = false;

  for (var i = 0; i < p.length; ++i) {

    var header = p[i].split(':')[0];

    if (header.toLowerCase() == 'content-type')

      contentType = true;

    else if (header.toLowerCase() == 'content-length')

      contentLength = true;

  ok(contentLength == true, "Content-length is part of the headers!");

  ok(contentType == true, "Content-type is part of the headers!");

  var ct = xhrInner.getResponseHeader('content-type');

  ok(ct.length, 'Get Response Header - content type: ' + ct);

  var cl = xhrInner.getResponseHeader('content-length');

  ok(cl.length, 'Get Response Header - content length: ' + cl);

xhr.addEventListener("load", function () {

  ok(xhr.status === 200, "Status 200!");

  if (xhr.status === 200) {

    var blob = xhr.response;

    ok(blob, "Blob is: " + blob);

    var blobUrl = window.URL.createObjectURL(blob);

    ok(blobUrl, "Blob URL is: " + blobUrl);

    checkHeaders(xhr);

    var xhrBlob = new XMLHttpRequest();

    xhrBlob.open("GET", blobUrl, true);

    xhrBlob.responseType = "blob";

    xhrBlob.addEventListener("load", function () {

      var blob2 = xhr.response;

      ok(blob2, "Blob is: " + blob2);

      var blob2Url = window.URL.createObjectURL(blob);

      ok(blob2Url, "Blob URL is: " + blob2Url);

      checkHeaders(xhrBlob);

      ok(blob2.size == blob.size, "Blob sizes are: " + blob2.size + " - " + blob.size);

      ok(blob2.type == blob.type, "Blob types are: " + blob2.type + " - " + blob.type);

      SimpleTest.finish();

});

    xhrBlob.send();

});

xhr.send();

</script>

</body>

</html>