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

Quelle test_bug560112.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/dom/html/test/test_bug560112.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 560112</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=560112">Mozilla Bug 560112</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 560112 **/

/**
* Sets dataset property. Checks data attribute "attr".
* Gets dataset property. Checks data attribute "attr".
* Overwrites dataset property Checks data attribute "attr".
* Deletes dataset property. Checks data attribute "attr".
*/
function SetGetOverwriteDel(attr, prop)
{
  var el = document.createElement('div');

  // Set property.
  is(prop in el.dataset, false, 'Property should not be in dataset before setting.');
  el.dataset[prop] = "zzzzzz";
  is(prop in el.dataset, true, 'Property should be in dataset after setting.');
  ok(el.hasAttribute(attr), 'Element should have data attribute for dataset property "' + prop + '".');

  // Get property.
  is(el.dataset[prop], "zzzzzz", 'Dataset property "' + prop + '" should have value "zzzzzz".');
  is(el.getAttribute(attr), "zzzzzz", 'Attribute "' + attr + '" should have value "zzzzzz".');

  // Overwrite property.
  el.dataset[prop] = "yyyyyy";
  is(el.dataset[prop], "yyyyyy", 'Dataset property "' + prop + '" should have value "yyyyyy".');
  is(el.getAttribute(attr), "yyyyyy", 'Attribute "' + attr + '" should have value "yyyyyy".');

  // Delete property.
  delete el.dataset[prop];
  ok(!el.hasAttribute(attr), 'Element should not have data attribute for dataset property "' + prop + '".');
  is(prop in el.dataset, false, 'Deleted property should not be in dataset.');
}

/**
* Sets dataset property and expects exception.
*/
function SetExpectException(prop)
{
  var el = document.createElement('div');

  try {
    el.dataset[prop] = "xxxxxx";
    ok(false, 'Exception should have been thrown.');
  } catch (ex) {
    ok(true, 'Exception should have been thrown.');
  }
}

/**
* Adds attributes in "attrList" to element.
* Deletes attributes in "delList" from element.
* Checks for "numProp" properties in dataset.
*/
function DelAttrEnumerate(attrList, delList, numProp)
{
  var el = document.createElement('div');

  // Adds attributes in "attrList".
  for (var i = 0; i < attrList.length; ++i) {
    el.setAttribute(attrList[i], "aaaaaa");
  }

  // Remove attributes in "delList".
  for (var i = 0; i < delList.length; ++i) {
    el.removeAttribute(delList[i]);
  }

  var numPropCounted = 0;

  for (var prop in el.dataset) {
    if (el.dataset[prop] == "aaaaaa") {
      ++numPropCounted;
    }
  }

  is(numPropCounted, numProp, 'Number of enumerable dataset properties is incorrent after attribute removal.');
}

/**
* Adds attributes in "attrList" to element.
* Checks for "numProp" properties in dataset.
*/
function Enumerate(attrList, numProp)
{
  var el = document.createElement('div');

  // Adds attributes in "attrList" to element.
  for (var i = 0; i < attrList.length; ++i) {
    el.setAttribute(attrList[i], "aaaaaa");
  }

  var numPropCounted = 0;

  for (var prop in el.dataset) {
    if (el.dataset[prop] == "aaaaaa") {
      ++numPropCounted;
    }
  }

  is(numPropCounted, numProp, 'Number of enumerable dataset properties is incorrect.');
}

/**
* Adds dataset property then removes attribute from element and check for presence of
* properties using the "in" operator.
*/
function AddPropDelAttr(attr, prop)
{
  var el = document.createElement('div');

  el.dataset[prop] = 'dddddd';
  is(prop in el.dataset, true, 'Operator "in" should return true after setting property.');
  el.removeAttribute(attr);
  is(prop in el.dataset, false, 'Operator "in" should return false for removed attribute.');
}

/**
* Adds then removes attribute from element and check for presence of properties using the
* "in" operator.
*/
function AddDelAttr(attr, prop)
{
  var el = document.createElement('div');

  el.setAttribute(attr, 'dddddd');
  is(prop in el.dataset, true, 'Operator "in" should return true after setting attribute.');
  el.removeAttribute(attr);
  is(prop in el.dataset, false, 'Operator "in" should return false for removed attribute.');
}

// Typical use case.
SetGetOverwriteDel('data-property', 'property');
SetGetOverwriteDel('data-a-longer-property', 'aLongerProperty');

AddDelAttr('data-property', 'property');
AddDelAttr('data-a-longer-property', 'aLongerProperty');

AddPropDelAttr('data-property', 'property');
AddPropDelAttr('data-a-longer-property', 'aLongerProperty');

// Empty property name.
SetGetOverwriteDel('data-', '');

// Leading dash characters.
SetGetOverwriteDel('data--', '-');
SetGetOverwriteDel('data--d', 'D');
SetGetOverwriteDel('data---d', '-D');

// Trailing dash characters.
SetGetOverwriteDel('data-d-', 'd-');
SetGetOverwriteDel('data-d--', 'd--');
SetGetOverwriteDel('data-d-d-', 'dD-');

// "data-" in attribute name.
SetGetOverwriteDel('data-data-', 'data-');
SetGetOverwriteDel('data-data-data-', 'dataData-');

// Longer attribute.
SetGetOverwriteDel('data-long-long-long-long-long-long-long-long-long-long-long-long-long', 'longLongLongLongLongLongLongLongLongLongLongLongLong');

var longAttr = 'data-long';
var longProp = 'long';
for (var i = 0; i < 30000; ++i) {
  // Create really long attribute and property names.
  longAttr += '-long';
  longProp += 'Long';
}

SetGetOverwriteDel(longAttr, longProp);

// Syntax error in setting dataset property (dash followed by lower case).
SetExpectException('-a');
SetExpectException('a-a');
SetExpectException('a-a-a');

// Invalid character.
SetExpectException('a a');

// Enumeration over dataset properties.
Enumerate(['data-a-big-fish'], 1);
Enumerate(['dat-a-big-fish'], 0);
Enumerate(['data-'], 1);
Enumerate(['data-', 'data-more-data'], 2);
Enumerate(['daaata-', 'data-more-data'], 1);

// Delete data attributes and enumerate properties.
DelAttrEnumerate(['data-one', 'data-two'], ['data-one'], 1);
DelAttrEnumerate(['data-one', 'data-two'], ['data-three'], 2);
DelAttrEnumerate(['data-one', 'data-two'], ['one'], 2);
</script>
</pre>
</body>
</html>

Messung V0.5

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