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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Low device storage</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="/tests/dom/tests/mochitest/ajax/offline/offlineTests.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script type="text/javascript">
/**
* This test checks that an offline cache update scheduled *after* a low device
* storage situation appears is canceled. It basically does:
*
* 1. Notifies to the offline cache update service about a fake
* low device storage situation.
* 2. Schedules an update and observes for its notifications.
* 3. We are supposed to receive an error event notifying about the cancelation
* of the update because of the low storage situation.
* 4. Notifies to the offline cache update service that we've recovered from
* the low storage situation.
*/
var updateService = SpecialPowers.Cc['@mozilla.org/offlinecacheupdate-service;1']
.getService(Ci.nsIOfflineCacheUpdateService);
var obs = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
.getService(SpecialPowers.Ci.nsIObserverService);
var errorReceived = false;
var systemPrincipal = SpecialPowers.Services.scriptSecurityManager.getSystemPrincipal();
function finish() {
obs.notifyObservers(updateService, "disk-space-watcher", "free");
OfflineTest.teardownAndFinish();
}
if (OfflineTest.setup()) {
obs.notifyObservers(updateService, "disk-space-watcher", "full");
var updateObserver = {
updateStateChanged: function (aUpdate, aState) {
switch(aState) {
case Ci.nsIOfflineCacheUpdateObserver.STATE_ERROR:
errorReceived = true;
OfflineTest.ok(true, "Expected error. Update canceled");
break;
case Ci.nsIOfflineCacheUpdateObserver.STATE_FINISHED:
aUpdate.removeObserver(this);
OfflineTest.ok(errorReceived,
"Finished after receiving the expected error");
finish();
break;
case Ci.nsIOfflineCacheUpdateObserver.STATE_NOUPDATE:
aUpdate.removeObserver(this);
OfflineTest.ok(false, "No update");
finish();
break;
case Ci.nsIOfflineCacheUpdateObserver.STATE_DOWNLOADING:
case Ci.nsIOfflineCacheUpdateObserver.STATE_ITEMSTARTED:
case Ci.nsIOfflineCacheUpdateObserver.STATE_ITEMPROGRESS:
aUpdate.removeObserver(this);
OfflineTest.ok(false, "The update was supposed to be canceled");
finish();
break;
}
},
applicationCacheAvailable: function() {}
};
var manifest = "http://mochi.test:8888/tests/dom/tests/mochitest/ajax/offline/simpleManifest.cacheManifest";
var ioService = Cc["@mozilla.org/network/io-service;1"]
.getService(Ci.nsIIOService);
var manifestURI = ioService.newURI(manifest, null, null);
var documentURI = ioService.newURI(document.documentURI, null, null);
var update = updateService.scheduleUpdate(manifestURI, documentURI, systemPrincipal, window);
update.addObserver(updateObserver, false);
}
SimpleTest.waitForExplicitFinish();
</script>
</head>
<body>
</body>
</html>
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