Quelle test_bug536891.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/html/test/test_bug536891.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 536891</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=536891">Mozilla Bug 536891</a>
<p id="display"></p>
<div id="content" style="display: none">
<textarea id="t" maxlength="-2" minlength="-2"></textarea>
<input id="i" type="text" maxlength="-2" minlength="-2">
<input id="p" type="password" maxlength="-2" minlength="-2">
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 536891 **/

function checkNegativeMinMaxLength(element)
{
  for(let type of ["min", "max"]) {
    /* value is set to -2 initially in the document, see above */
    is(element[type + "Length"], -1, "negative " + type + "Length should be considered invalid and represented as -1");

    // changing the property to an negative value should throw (see bug 536895).
    for(let value of [-15, -2147483648]) { // PR_INT32_MIN
      let threw = false;
      try {
        element[type + "Length"] = value;
      } catch(e) {
        threw = true;
      }
      is(threw, true, "setting " + type + "Length property to " + value + " should throw");
    }
    element[type + "Length"] = "non-numerical value";
    is(element[type + "Length"], 0, "setting " + type + "Length property to a non-numerical value should set it to zero");

    element.setAttribute(type + 'Length', -15);
    is(element[type + "Length"], -1, "negative " + type + "Length is not processed correctly when set dynamically");
    is(element.getAttribute(type + 'Length'), "-15", type + "Length attribute doesn't return the correct value");

    element.setAttribute(type + 'Length', 0);
    is(element[type + "Length"], 0, "zero " + type + "Length is not processed correctly");
    element.setAttribute(type + 'Length', 2147483647); // PR_INT32_MAX
    is(element[type + "Length"], 2147483647, "negative " + type + "Length is not processed correctly");
    element.setAttribute(type + 'Length', -2147483648);  // PR_INT32_MIN
    is(element[type + "Length"], -1, "negative " + type + "Length is not processed correctly");
    element.setAttribute(type + 'Length', 'non-numerical-value');
    is(element[type + "Length"], -1, "non-numerical value should be considered invalid and represented as -1");
  }
}

/* TODO: correct behavior may be checked for email, telephone, url and search input types */
checkNegativeMinMaxLength(document.getElementById('t'));
checkNegativeMinMaxLength(document.getElementById('i'));
checkNegativeMinMaxLength(document.getElementById('p'));

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

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