Quelle test_bug596511.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/html/test/test_bug596511.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 596511</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <style>
    select:valid { background-color: green; }
    select:invalid { background-color: red; }
  </style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=596511">Mozilla Bug 596511</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script>

/** Test for Bug 596511 **/

function checkNotSufferingFromBeingMissing(element, aTodo)
{
  if (aTodo) {
    ok = todo;
    is = todo_is;
  }

  ok(!element.validity.valueMissing,
    "Element should not suffer from value missing");
  ok(element.validity.valid, "Element should be valid");
  ok(element.checkValidity(), "Element should be valid");

  is(element.validationMessage, "",
    "Validation message should be the empty string");

  ok(element.matches(":valid"), ":valid pseudo-class should apply");
  is(window.getComputedStyle(element).getPropertyValue('background-color'),
     "rgb(0, 128, 0)", ":valid pseudo-class should apply");

  if (aTodo) {
    ok = SimpleTest.ok;
    is = SimpleTest.is;
  }
}

function checkSufferingFromBeingMissing(element, aTodo)
{
  if (aTodo) {
    ok = todo;
    is = todo_is;
  }

  ok(element.validity.valueMissing, "Element should suffer from value missing");
  ok(!element.validity.valid, "Element should not be valid");
  ok(!element.checkValidity(), "Element should not be valid");

  is(element.validationMessage, "Please select an item in the list.",
     "Validation message is wrong");

  is(window.getComputedStyle(element).getPropertyValue('background-color'),
     "rgb(255, 0, 0)", ":invalid pseudo-class should apply");

  if (aTodo) {
    ok = SimpleTest.ok;
    is = SimpleTest.is;
  }
}

function checkRequiredAttribute(element)
{
  ok('required' in element, "select should have a required attribute");

  ok(!element.required, "select required attribute should be disabled");
  is(element.getAttribute('required'), null,
    "select required attribute should be disabled");

  element.required = true;
  ok(element.required, "select required attribute should be enabled");
  isnot(element.getAttribute('required'), null,
    "select required attribute should be enabled");

  element.removeAttribute('required');
  element.setAttribute('required', '');
  ok(element.required, "select required attribute should be enabled");
  isnot(element.getAttribute('required'), null,
    "select required attribute should be enabled");

  element.removeAttribute('required');
  ok(!element.required, "select required attribute should be disabled");
  is(element.getAttribute('required'), null,
    "select required attribute should be disabled");
}

function checkRequiredAndOptionalSelectors(element)
{
  is(document.querySelector("select:optional"), element,
     "select should be optional");
  is(document.querySelector("select:required"), null,
     "select shouldn't be required");

  element.required = true;

  is(document.querySelector("select:optional"), null,
     "select shouldn't be optional");
  is(document.querySelector("select:required"), element,
     "select should be required");

  element.required = false;
}

function checkInvalidWhenValueMissing(element)
{
  checkNotSufferingFromBeingMissing(select);

  element.required = true;
  checkSufferingFromBeingMissing(select);

  /**
   * Non-multiple and size=1.
   */
  select.appendChild(new Option());
  checkSufferingFromBeingMissing(select);

  // When removing the required attribute, element should not be invalid.
  element.required = false;
  checkNotSufferingFromBeingMissing(select);

  element.required = true;
  select.options[0].textContent = "foo";
  // TODO: having that working would require us to add a mutation observer on
  // the select element.
  checkNotSufferingFromBeingMissing(select, true);

  select.remove(0);
  checkSufferingFromBeingMissing(select);

  select.add(new Option("foo", "foo"), null);
  checkNotSufferingFromBeingMissing(select);

  select.add(new Option(), null);
  checkNotSufferingFromBeingMissing(select);

  // The placeholder label can only be the first option, so a selected empty second option is valid
  select.options[1].selected = true;
  checkNotSufferingFromBeingMissing(select);

  select.selectedIndex = 0;
  checkNotSufferingFromBeingMissing(select);

  select.add(select.options[0]);
  select.selectedIndex = 0;
  checkSufferingFromBeingMissing(select);

  select.remove(0);
  checkNotSufferingFromBeingMissing(select);

  select.options[0].disabled = true;
  // TODO: having that working would require us to add a mutation observer on
  // the select element.
  checkSufferingFromBeingMissing(select, true);

  select.options[0].disabled = false
  select.remove(0);
  checkSufferingFromBeingMissing(select);

  var option = new Option("foo", "foo");
  option.disabled = true;
  select.add(option, null);
  select.add(new Option("bar"), null);
  option.selected = true;
  checkNotSufferingFromBeingMissing(select);

  select.remove(0);
  select.remove(0);

  /**
   * Non-multiple and size > 1.
   * Everything should be the same except moving the selection.
   */
  select.multiple = false;
  select.size = 4;
  checkSufferingFromBeingMissing(select);

  // Setting defaultSelected to true should not make the option selected
  select.add(new Option("", "", true), null);
  checkSufferingFromBeingMissing(select);
  select.remove(0);

  select.add(new Option("", "", true, true), null);
  checkNotSufferingFromBeingMissing(select);

  select.add(new Option("foo", "foo"), null);
  select.remove(0);
  checkSufferingFromBeingMissing(select);

  select.options[0].selected = true;
  checkNotSufferingFromBeingMissing(select);

  select.remove(0);

  /**
   * Multiple, any size.
   * We can select more than one element and at least needs a value.
   */
  select.multiple = true;
  select.size = 4;
  checkSufferingFromBeingMissing(select);

  select.add(new Option("", "", true), null);
  checkSufferingFromBeingMissing(select);

  select.add(new Option("", "", true), null);
  checkSufferingFromBeingMissing(select);

  select.add(new Option("foo"), null);
  checkSufferingFromBeingMissing(select);

  select.options[2].selected = true;
  checkNotSufferingFromBeingMissing(select);
}

var select = document.createElement("select");
var content = document.getElementById('content');
content.appendChild(select);

checkRequiredAttribute(select);
checkRequiredAndOptionalSelectors(select);
checkInvalidWhenValueMissing(select);

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

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