The Tor Browser: content/test/unit/test

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 function run_test()

7 {

     8   /*

     9    * NOTE: [i] is not allowed in this test, since it's done via classinfo and

    10    * we don't have that in xpcshell; the workaround is item(i).  Suck.

    11    */

    12   init();

    14   test_element();

    16   // more tests would be nice here (such as for documents), but the primary

    17   // uses of Node.normalize() are in test_element; stuff beyond this is either

    18   // unimplemented or is unlikely to be used all that much within a browser

    19   // DOM implementation

    20 }

    22 // TEST CODE

    24 var doc; // cache for use in all tests

    26 function init()

    27 {

    28   doc = ParseFile("empty_document.xml");

    29 }

    31 function test_element()

    32 {

    33   var x = doc.createElement("funk");

    35   // one empty Text node

    36   x.appendChild(doc.createTextNode(""));

    37   do_check_eq(x.childNodes.length, 1);

    39   x.normalize();

    40   do_check_eq(x.childNodes.length, 0);

    43   // multiple empty Text nodes

    44   x.appendChild(doc.createTextNode(""));

    45   x.appendChild(doc.createTextNode(""));

    46   do_check_eq(x.childNodes.length, 2);

    48   x.normalize();

    49   do_check_eq(x.childNodes.length, 0);

    52   // empty Text node followed by other Text node

    53   x.appendChild(doc.createTextNode(""));

    54   x.appendChild(doc.createTextNode("Guaraldi"));

    55   do_check_eq(x.childNodes.length, 2);

    57   x.normalize();

    58   do_check_eq(x.childNodes.length, 1);

    59   do_check_eq(x.childNodes.item(0).nodeValue, "Guaraldi");

    62   // Text node followed by empty Text node

    63   clearKids(x);

    64   x.appendChild(doc.createTextNode("Guaraldi"));

    65   x.appendChild(doc.createTextNode(""));

    66   do_check_eq(x.childNodes.length, 2);

    68   x.normalize();

    69   do_check_eq(x.childNodes.item(0).nodeValue, "Guaraldi");

    72   // Text node followed by empty Text node followed by other Node

    73   clearKids(x);

    74   x.appendChild(doc.createTextNode("Guaraldi"));

    75   x.appendChild(doc.createTextNode(""));

    76   x.appendChild(doc.createElement("jazzy"));

    77   do_check_eq(x.childNodes.length, 3);

    79   x.normalize();

    80   do_check_eq(x.childNodes.length, 2);

    81   do_check_eq(x.childNodes.item(0).nodeValue, "Guaraldi");

    82   do_check_eq(x.childNodes.item(1).nodeName, "jazzy");

    85   // Nodes are recursively normalized

    86   clearKids(x);

    87   var kid = doc.createElement("eit");

    88   kid.appendChild(doc.createTextNode(""));

    90   x.appendChild(doc.createTextNode("Guaraldi"));

    91   x.appendChild(doc.createTextNode(""));

    92   x.appendChild(kid);

    93   do_check_eq(x.childNodes.length, 3);

    94   do_check_eq(x.childNodes.item(2).childNodes.length, 1);

    96   x.normalize();

    97   do_check_eq(x.childNodes.length, 2);

    98   do_check_eq(x.childNodes.item(0).nodeValue, "Guaraldi");

    99   do_check_eq(x.childNodes.item(1).childNodes.length, 0);

   100 }

   103 // UTILITY FUNCTIONS

   105 function clearKids(node)

   106 {

   107   while (node.hasChildNodes())

   108     node.removeChild(node.childNodes.item(0));

   109 }

The Tor Browser / file revision

content/test/unit/test_normalize.js@97036ab72558

content/test/unit/test_normalize.js