gecko-dev/dom/plugins/test/mochitest/test_instance_re-parent.html

124 строки
3.8 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<title>Test re-parentinging an instance's DOM node</title>
<script type="text/javascript" src="/MochiKit/packed.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script type="text/javascript" src="utils.js"></script>
</head>
<body onload="begin()">
<script type="application/javascript;version=1.8">
SimpleTest.waitForExplicitFinish();
setTestPluginEnabledState(SpecialPowers.Ci.nsIPluginTag.STATE_ENABLED);
const MAX_CHECK_PLUGIN_STOPPED_ATTEMPTS = 50;
var numCheckPluginStoppedAttempts = 0;
var exceptionThrown = false;
var p = null;
var d1 = null;
var d2 = null;
var destroyed = false;
function begin() {
runTests(function() {
// Callback when finished - set plugin to windowed and repeat the tests
info("Repeating tests with wmode=window");
p.setAttribute("wmode", "window");
d1.appendChild(p);
// Forces the plugin to be respawned
p.src = p.src;
destroyed = false;
exceptionThrown = false;
runTests(function () {
SimpleTest.finish();
});
});
}
function checkPluginStopped(callback, param) {
if (numCheckPluginStoppedAttempts < MAX_CHECK_PLUGIN_STOPPED_ATTEMPTS &&
!destroyed) {
++numCheckPluginStoppedAttempts;
SimpleTest.executeSoon(function() {
checkPluginStopped(callback, param);
});
} else {
info("Number of check plugin stopped attempts: " +
numCheckPluginStoppedAttempts);
callback(param);
}
}
function runTests(callback) {
p = document.getElementById('plugin1');
d1 = document.getElementById('div1');
d2 = document.getElementById('div2');
// First tests involve moving the instance from one div to another.
p.startWatchingInstanceCount();
p.callOnDestroy(function() {
destroyed = true;
});
try {
d1.removeChild(p);
} catch (e) {
exceptionThrown = true;
}
is(exceptionThrown, false, "Testing for exception after removeChild.");
try {
d2.appendChild(p);
} catch (e) {
exceptionThrown = true;
}
is(exceptionThrown, false, "Testing for exception after appendChild.");
is(destroyed, false, "No instances should have been destroyed at this point.");
is(p.getInstanceCount(), 0, "No new instances should have been created at this point.");
// Wait for the event loop to spin and ensure the plugin still wasn't touched
SimpleTest.executeSoon(function() {
is(destroyed, false, "No instances should have been destroyed at this point.");
is(p.getInstanceCount(), 0, "No new instances should have been created at this point.");
d2.removeChild(p);
checkPluginStopped(continueTestsAfterPluginDestruction, callback);
});
}
function continueTestsAfterPluginDestruction(callback) {
d2.appendChild(p);
SimpleTest.executeSoon(function() {
try {
is(p.getInstanceCount(), 1, "One new instance should have been created at this point.");
} catch (e) {
exceptionThrown = true;
}
is(exceptionThrown, false, "Testing for exception getting instance count from plugin.");
p.stopWatchingInstanceCount();
callback.apply(null);
});
}
</script>
<p id="display"></p>
<div id="div1">
<!-- This embed has to have a "src" attribute. Part of this test involves seeing if we
properly restart plugins that have been added back to a document without a change
in URL. Not re-loading an object when the URL hasn't changed is a shortcut used for
some object types. Without a URL, this won't be tested. -->
<embed id="plugin1" src="loremipsum.txt" type="application/x-test" width="200" height="200"></embed>
</div>
<div id="div2">
</div>
</body>
</html>