Quelle test_bug456151.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/tests/mochitest/bugs/test_bug456151.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 456151</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.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=456151">Mozilla Bug 456151</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 456151 **/
var intercepted = false;

// Set up our new addEventListener
var proto = HTMLParagraphElement.prototype;
proto.oldAdd = proto.addEventListener;
proto.addEventListener = function(ev, list, capt) {
  intercepted = true;
  this.oldAdd(ev, list, capt);
}
proto.oldRemove = proto.removeEventListener;
proto.removeEventListener = function(ev, list, capt) {
  intercepted = true;
  this.oldRemove(ev, list, capt);
}

var called = false;

var func = function() { called = true; };
$("display").addEventListener("click", func);
is(intercepted, true, "Should have interecepted addEventListener call");

sendMouseEvent({type: "click"}, "display");
is(called, true, "Should have called event listener");

interecepted = false;
called = false;

$("display").removeEventListener("click", func);
is(intercepted, true, "Should have interecepted removeEventListener call");

sendMouseEvent({type: "click"}, "display");
is(called, false, "Should have removed event listener");

// And now some simple sanity tests
var recursion = false;
var x = document.createElement("span");
HTMLSpanElement.prototype.addEventListener =
  function(a, b, c) {
    return x.addEventListener(a,b,c);
  }
try {
  x.addEventListener("click", function() { called = true; });
} catch (e) {
  recursion = e.message.match(/recursion/);
}
SimpleTest.isDeeply(recursion, ["recursion"], "Caught infinite recursion");

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

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