The Tor Browser / file revision

 /* 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/. */

 const Ci = Components.interfaces;

 function run_test() {

   // throw if anything goes wrong

   let testContent = "<a id=\"a\"><b id=\"b\">hey!<\/b><\/a>";

   // should be able to construct a file

   var f1 = Blob([testContent], {"type" : "text/xml"});

   // with either constructor syntax

   var f2 = new Blob([testContent], {"type" : "text/xml"});

   // do some tests

   do_check_true(f1 instanceof Ci.nsIDOMBlob, "Should be a DOM Blob");

   do_check_true(f2 instanceof Ci.nsIDOMBlob, "Should be a DOM Blob");

   do_check_true(!(f1 instanceof Ci.nsIDOMFile), "Should not be a DOM File");

   do_check_true(!(f2 instanceof Ci.nsIDOMFile), "Should not be a DOM File");

   do_check_true(f1.type == "text/xml", "Wrong type");

   do_check_true(f2.type == "text/xml", "Wrong type");

   do_check_true(f1.size == testContent.length, "Wrong content size");

   do_check_true(f2.size == testContent.length, "Wrong content size");

   var f3 = new Blob();

   do_check_true(f3.size == 0, "Wrong size");

   do_check_true(f3.type == "", "Wrong type");

   var threw = false;

   try {

     // Needs a valid ctor argument

     var f3 = Blob(Date(132131532));

   } catch (e) {

     threw = true;

   }

   do_check_true(threw, "Passing a random object should fail");

 }