tor-browser

The Tor Browser
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Node-normalize.html (3312B)

      1 <!DOCTYPE html>
      2 <title>Node.normalize()</title>
      3 <script src="/resources/testharness.js"></script>
      4 <script src="/resources/testharnessreport.js"></script>
      5 <div id=log></div>
      6 <script>
      7 test(function() {
      8  var df = document.createDocumentFragment(),
      9      t1 = document.createTextNode("1"),
     10      t2 = document.createTextNode("2"),
     11      t3 = document.createTextNode("3"),
     12      t4 = document.createTextNode("4")
     13  df.appendChild(t1)
     14  df.appendChild(t2)
     15  assert_equals(df.childNodes.length, 2)
     16  assert_equals(df.textContent, "12")
     17  var el = document.createElement('x')
     18  df.appendChild(el)
     19  el.appendChild(t3)
     20  el.appendChild(t4)
     21  document.normalize()
     22  assert_equals(el.childNodes.length, 2)
     23  assert_equals(el.textContent, "34")
     24  assert_equals(df.childNodes.length, 3)
     25  assert_equals(t1.data, "1")
     26  df.normalize()
     27  assert_equals(df.childNodes.length, 2)
     28  assert_equals(df.firstChild, t1)
     29  assert_equals(t1.data, "12")
     30  assert_equals(t2.data, "2")
     31  assert_equals(el.firstChild, t3)
     32  assert_equals(t3.data, "34")
     33  assert_equals(t4.data, "4")
     34 })
     35 
     36 // https://www.w3.org/Bugs/Public/show_bug.cgi?id=19837
     37 test(function() {
     38  var div = document.createElement("div")
     39  var t1 = div.appendChild(document.createTextNode(""))
     40  var t2 = div.appendChild(document.createTextNode("a"))
     41  var t3 = div.appendChild(document.createTextNode(""))
     42  assert_array_equals(div.childNodes, [t1, t2, t3])
     43  div.normalize();
     44  assert_array_equals(div.childNodes, [t2])
     45 }, "Empty text nodes separated by a non-empty text node")
     46 test(function() {
     47  var div = document.createElement("div")
     48  var t1 = div.appendChild(document.createTextNode(""))
     49  var t2 = div.appendChild(document.createTextNode(""))
     50  assert_array_equals(div.childNodes, [t1, t2])
     51  div.normalize();
     52  assert_array_equals(div.childNodes, [])
     53 }, "Empty text nodes")
     54 
     55 // The specification for normalize is clear that only "exclusive Text
     56 // nodes" are to be modified. This excludes CDATASection nodes, which
     57 // derive from Text. Naïve implementations may fail to skip
     58 // CDATASection nodes, or even worse, try to test textContent or
     59 // nodeValue without taking care to check the node type. They will
     60 // fail this test.
     61 test(function() {
     62  // We create an XML document so that we can create CDATASection.
     63  // Except for the CDATASection the result should be the same for
     64  // an HTML document. (No non-Text node should be touched.)
     65  var doc = new DOMParser().parseFromString("<div/>", "text/xml")
     66  var div = doc.documentElement
     67  var t1 = div.appendChild(doc.createTextNode("a"))
     68  // The first parameter is the "target" of the processing
     69  // instruction, and the 2nd is the text content.
     70  var t2 = div.appendChild(doc.createProcessingInstruction("pi", ""))
     71  var t3 = div.appendChild(doc.createTextNode("b"))
     72  var t4 = div.appendChild(doc.createCDATASection(""))
     73  var t5 = div.appendChild(doc.createTextNode("c"))
     74  var t6 = div.appendChild(doc.createComment(""))
     75  var t7 = div.appendChild(doc.createTextNode("d"))
     76  var t8 = div.appendChild(doc.createElement("el"))
     77  var t9 = div.appendChild(doc.createTextNode("e"))
     78  var expected = [t1, t2, t3, t4, t5, t6, t7, t8, t9]
     79  assert_array_equals(div.childNodes, expected)
     80  div.normalize()
     81  assert_array_equals(div.childNodes, expected)
     82 }, "Non-text nodes with empty textContent values.")
     83 </script>