dom/html/test/test_bug403868.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=403868
   5 -->
   6 <head>
   7   <title>Test for Bug 403868</title>
   8   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   9   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  10 </head>
  11 <body>
  12 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=403868">Mozilla Bug 403868</a>
  13 <p id="display"></p>
  14 <div id="content" style="display: none">
  15
  16 </div>
  17 <pre id="test">
  18 <script class="testbody" type="text/javascript">
  19
  20 /** Test for Bug 403868 **/
  21 function createSpan(id, insertionPoint) {
  22   var s = document.createElement("span");
  23   s.id = id;
  24   $("content").insertBefore(s, insertionPoint);
  25   return s;
  26 }
  27
  28 var s1a = createSpan("test1", null);
  29 is(document.getElementById("test1"), s1a,
  30    "Only one span with id=test1 in the tree; should work!");
  31
  32 var s2a = createSpan("test1", null);
  33 is(document.getElementById("test1"), s1a,
  34    "Appending span with id=test1 doesn't change which one comes first");
  35
  36 var s3a = createSpan("test1", s2a);
  37 is(document.getElementById("test1"), s1a,
  38    "Inserting span with id=test1 not at the beginning; doesn't matter");
  39
  40 var s4a = createSpan("test1", s1a);
  41 is(document.getElementById("test1"), s4a,
  42    "Inserting span with id=test1 at the beginning changes which one is first");
  43
  44 s4a.remove();
  45 is(document.getElementById("test1"), s1a,
  46    "First-created span with id=test1 is first again");
  47
  48 s1a.remove();
  49 is(document.getElementById("test1"), s3a,
  50    "Third-created span with id=test1 is first now");
  51
  52 // Start the id hashtable
  53 for (var i = 0; i < 256; ++i) {
  54   document.getElementById("no-such-id-in-the-document" + i);
  55 }
  56
  57 var s1b = createSpan("test2", null);
  58 is(document.getElementById("test2"), s1b,
  59    "Only one span with id=test2 in the tree; should work!");
  60
  61 var s2b = createSpan("test2", null);
  62 is(document.getElementById("test2"), s1b,
  63    "Appending span with id=test2 doesn't change which one comes first");
  64
  65 var s3b = createSpan("test2", s2b);
  66 is(document.getElementById("test2"), s1b,
  67    "Inserting span with id=test2 not at the beginning; doesn't matter");
  68
  69 var s4b = createSpan("test2", s1b);
  70 is(document.getElementById("test2"), s4b,
  71    "Inserting span with id=test2 at the beginning changes which one is first");
  72
  73 s4b.remove();
  74 is(document.getElementById("test2"), s1b,
  75    "First-created span with id=test2 is first again");
  76
  77 s1b.remove();
  78 is(document.getElementById("test2"), s3b,
  79    "Third-created span with id=test2 is first now");
  80
  81
  82
  83 </script>
  84 </pre>
  85 </body>
  86 </html>
  87