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products/sources/formale Sprachen/C/Firefox/dom/base/test/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 6 kB

Quelle test_bug628938.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/dom/base/test/test_bug628938.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 628938</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=628938">Mozilla Bug 628938</a>
<p id="display"></p>
<foo id="content" style="display: none">
  <div><div>foo</div></div>
  <span> bar </span>
  <div>tulip<span>bar</span></div>
  <span></span>
  <div>foo</div>
  <span></span>
  <div>bar</div>
  <span></span>
  <div>foobar</div>
</foo>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 628938 **/

var gResults = [];
var gIdx = 0;

function walkTree(walker)
{
  if(walker.firstChild()) {
    do {
      if (walker.currentNode.nodeType == Node.ELEMENT_NODE) {
        ok(gResults[gIdx][0], "current node should be an element");
        is(walker.currentNode.nodeName, gResults[gIdx][1],
           "current node name should be " + gResults[gIdx][1]);
      } else {
        ok(!gResults[gIdx][0], "current node shouldn't be an element");
        is(walker.currentNode.nodeValue, gResults[gIdx][1],
           "current node value should be " + gResults[gIdx][1]);
      }
      gIdx++;
      // Recursively walk the rest of the sub-tree.
      walkTree(walker);
    } while(walker.nextSibling());

    // don't forget to return the treewalker to it's previous state
    // before exiting the function
    walker.parentNode();
  }
}

function regularWalk()
{
  gResults = [
    [ false, "\n " ],
    [ true, "DIV" ],
    [ true, "DIV" ],
    [ false, "foo" ],
    [ false, "\n " ],
    [ true, "SPAN" ],
    [ false, " bar " ],
    [ false, "\n " ],
    [ true, "DIV" ],
    [ false, "tulip" ],
    [ true, "SPAN" ],
    [ false, "bar" ],
    [ false, "\n " ],
    [ true, "SPAN" ],
    [ false, "\n " ],
    [ true, "DIV" ],
    [ false, "foo" ],
    [ false, "\n " ],
    [ true, "SPAN" ],
    [ false, "\n " ],
    [ true, "DIV" ],
    [ false, "bar" ],
    [ false, "\n " ],
    [ true, "SPAN" ],
    [ false, "\n " ],
    [ true, "DIV" ],
    [ false, "foobar" ],
    [ false, "\n" ],
  ];
  var walker = document.createTreeWalker(document.getElementById('content'),
                                         NodeFilter.SHOW_ALL, null);

  walkTree(walker);

  gIdx = 0;
}

function noWhiteSpaceWalk()
{
  gResults = [
    [ true, "DIV" ],
    [ true, "DIV" ],
    [ false, "foo" ],
    [ true, "SPAN" ],
    [ false, " bar " ],
    [ true, "DIV" ],
    [ false, "tulip" ],
    [ true, "SPAN" ],
    [ false, "bar" ],
    [ true, "SPAN" ],
    [ true, "DIV" ],
    [ false, "foo" ],
    [ true, "SPAN" ],
    [ true, "DIV" ],
    [ false, "bar" ],
    [ true, "SPAN" ],
    [ true, "DIV" ],
    [ false, "foobar" ],
  ];
  var walker = document.createTreeWalker(document.getElementById('content'),
                                         NodeFilter.SHOW_ALL,
                                         {
                                           acceptNode(node) {
                                             if (node.nodeType == Node.TEXT_NODE &&
                                                 !(/[^\t\n\r ]/.test(node.nodeValue)))
                                               return NodeFilter.FILTER_REJECT;
                                             return NodeFilter.FILTER_ACCEPT;
                                           }
                                         });

  walkTree(walker);

  gIdx = 0;
}

function onlyElementsWalk()
{
  gResults = [
    [ true, "DIV" ],
    [ true, "DIV" ],
    [ true, "SPAN" ],
    [ true, "DIV" ],
    [ true, "SPAN" ],
    [ true, "SPAN" ],
    [ true, "DIV" ],
    [ true, "SPAN" ],
    [ true, "DIV" ],
    [ true, "SPAN" ],
    [ true, "DIV" ],
  ];
  var walker = document.createTreeWalker(document.getElementById('content'),
                                         NodeFilter.SHOW_ELEMENT, null);

  walkTree(walker);

  gIdx = 0;
}

function onlyDivSubTreeWalk()
{
  gResults = [
    [ true, "DIV" ],
    [ true, "DIV" ],
    [ false, "foo" ],
    [ true, "DIV" ],
    [ false, "tulip" ],
    [ true, "SPAN" ],
    [ false, "bar" ],
    [ true, "DIV" ],
    [ false, "foo" ],
    [ true, "DIV" ],
    [ false, "bar" ],
    [ true, "DIV" ],
    [ false, "foobar" ],
  ];
  var walker = document.createTreeWalker(document.getElementById('content'),
                                         NodeFilter.SHOW_ALL,
                                         {
                                           acceptNode(node) {
                                             if (node.nodeType == Node.TEXT_NODE &&
                                                 !(/[^\t\n\r ]/.test(node.nodeValue)))
                                               return NodeFilter.FILTER_REJECT;

                                             while (node) {
                                               if (node.nodeName == "DIV")
                                                 return NodeFilter.FILTER_ACCEPT;
                                               node = node.parentNode;
                                             }
                                             return NodeFilter.FILTER_SKIP;
                                           }
                                         });

  walkTree(walker);

  gIdx = 0;
}

function onlyDivDataWalk()
{
  gResults = [
    [ true, "DIV" ],
    [ true, "DIV" ],
    [ false, "foo" ],
    [ true, "DIV" ],
    [ false, "tulip" ],
    [ true, "SPAN" ],
    [ true, "DIV" ],
    [ false, "foo" ],
    [ true, "DIV" ],
    [ false, "bar" ],
    [ true, "DIV" ],
    [ false, "foobar" ],
  ];
  var walker = document.createTreeWalker(document.getElementById('content'),
                                         NodeFilter.SHOW_ALL,
                                         {
                                           acceptNode(node) {
                                             if (node.nodeName == "DIV" ||
                                                 (node.parentNode &&
                                                  node.parentNode.nodeName == "DIV"))
                                               return NodeFilter.FILTER_ACCEPT;
                                             return NodeFilter.FILTER_SKIP;
                                           }
                                         });

  walkTree(walker);

  gIdx = 0;
}

regularWalk();
noWhiteSpaceWalk();
onlyElementsWalk();
onlyDivSubTreeWalk();
onlyDivDataWalk();

</script>
</pre>
</body>
</html>

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