dom/base/test/test_bug422537.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=422537
   5 -->
   6 <head>
   7   <title>Test for bug 422537</title>
   8   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   9   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  10 </head>
  11
  12 <body>
  13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=422537">Mozilla Bug 422537</a>
  14 <p id="display"></p>
  15 <div id="content" style="display: none">
  16
  17 </div>
  18 <pre id="test">
  19 <script class="testbody" type="text/javascript">
  20
  21 /** Test for Bug 422537 **/
  22 var isupports_string = SpecialPowers.Cc["@mozilla.org/supports-string;1"]
  23                                     .createInstance(SpecialPowers.Ci.nsISupportsString);
  24 isupports_string.data = "foo";
  25
  26 const url = "http://mochi.test:8888";
  27 var body = [
  28   document,
  29   "foo",
  30   isupports_string
  31 ];
  32
  33 for (var i of body) {
  34   var xhr = new XMLHttpRequest();
  35   xhr.open("POST", url, true);
  36   if (i == isupports_string)
  37     SpecialPowers.wrap(xhr).send(i);
  38   else
  39     xhr.send(i);
  40   var chan = SpecialPowers.wrap(xhr).channel;
  41   if (!SpecialPowers.call_Instanceof(chan, SpecialPowers.Ci.nsIUploadChannel))
  42     throw "Must be an upload channel";
  43   var stream = chan.uploadStream;
  44   if (!stream || !SpecialPowers.call_Instanceof(stream, SpecialPowers.Ci.nsISeekableStream))
  45     throw "Stream must be seekable";
  46   // the following is a no-op, but should not throw an exception
  47   stream.seek(SpecialPowers.Ci.nsISeekableStream.NS_SEEK_CUR, 0);
  48 }
  49
  50 ok(true, "xhr is seekable");
  51
  52 </script>
  53 </pre>
  54 </body>
  55 </html>