gecko-dev/dom/base/test/test_bug372964.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=372964
-->
<head>
<title>Test for Bug 372964</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=372964">Mozilla Bug 372964</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
/** Test for Bug 372964 **/
var expectedEventType = "";
var shouldBeTrusted = false;
var eventHandlerCallCount = 0;
function eventHandler(evt) {
++eventHandlerCallCount;
is(evt.type, expectedEventType, "Wrong event type");
is(evt.isTrusted, shouldBeTrusted, "Wrong .isTrusted");
}
function test(trusted, type, removeAddedListener, removeSetListener, allowUntrusted) {
if (trusted) {
var x1 = SpecialPowers.wrap(new XMLHttpRequest());
} else {
x1 = new XMLHttpRequest();
}
var handlerCount = 0;
if (trusted || allowUntrusted || allowUntrusted == undefined) {
++handlerCount;
}
if (allowUntrusted == undefined) {
// Test .addEventListener with 3 parameters.
x1.addEventListener(type, eventHandler);
} else {
// Test .addEventListener with 4 parameters.
x1.addEventListener(type, eventHandler, false, allowUntrusted);
}
if (("on" + type) in x1) {
++handlerCount;
x1["on" + type] = eventHandler;
}
if (removeAddedListener) {
x1.removeEventListener(type, eventHandler);
if (trusted || allowUntrusted || allowUntrusted == undefined) {
--handlerCount;
}
}
if (removeSetListener) {
if (("on" + type) in x1) {
--handlerCount;
x1["on" + type] = null;
}
}
var e1 = document.createEvent("Events");
e1.initEvent(type, true, true);
expectedEventType = type;
shouldBeTrusted = trusted;
var ecc = eventHandlerCallCount;
x1.dispatchEvent(e1);
is(eventHandlerCallCount, ecc + handlerCount,
"Wrong number event handler calls. (1)");
e1 = document.createEvent("Events");
e1.initEvent(type, true, true);
expectedEventType = type;
// Set trusted since open() may cause events to be sent.
shouldBeTrusted = true;
x1.open("GET", window.location);
x1.abort(); // This should not remove event listeners.
ecc = eventHandlerCallCount;
shouldBeTrusted = trusted;
x1.dispatchEvent(e1);
is(eventHandlerCallCount, ecc + handlerCount,
"Wrong number event handler calls. (2)");
e1 = document.createEvent("Events");
e1.initEvent(type, true, true);
expectedEventType = type;
// Set trusted since open()/send() may cause events to be sent.
shouldBeTrusted = true;
x1.open("GET", window.location);
x1.send("");
x1.abort(); // This should not remove event listeners!
ecc = eventHandlerCallCount;
shouldBeTrusted = trusted;
x1.dispatchEvent(e1);
is(eventHandlerCallCount, ecc + handlerCount,
"Wrong number event handler calls. (3)");
}
var events =
["load", "error", "progress", "readystatechange", "foo"];
do {
var e = events.shift();
test(false, e, false, false);
test(false, e, false, true);
test(false, e, true, false);
test(false, e, true, true);
test(true, e, false, false);
test(true, e, false, true);
test(true, e, true, false);
test(true, e, true, true);
test(false, e, false, false, false);
test(false, e, false, false, true);
test(false, e, false, true, false);
test(false, e, false, true, true);
test(false, e, true, false, false);
test(false, e, true, false, true);
test(false, e, true, true, false);
test(false, e, true, true, true);
test(true, e, false, false, false);
test(true, e, false, false, true);
test(true, e, false, true, false);
test(true, e, false, true, true);
test(true, e, true, false, false);
test(true, e, true, false, true);
test(true, e, true, true, false);
test(true, e, true, true, true);
} while(events.length);
</script>
</pre>
</body>
</html>