1 files changed, 58 insertions, 0 deletions
diff --git a/dom/tests/mochitest/ajax/offline/test_lowDeviceStorageDuringUpdate.html b/dom/tests/mochitest/ajax/offline/test_lowDeviceStorageDuringUpdate.html
new file mode 100644
index 000000000..88a0b4eae
--- /dev/null
+++ b/dom/tests/mochitest/ajax/offline/test_lowDeviceStorageDuringUpdate.html
@@ -0,0 +1,58 @@
+<html xmlns="http://www.w3.org/1999/xhtml" manifest="http://mochi.test:8888/tests/dom/tests/mochitest/ajax/offline/simpleManifest.cacheManifest">
+<head>
+<title>Low device storage during update</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 is canceled when a low device
+ * storage condition is detected during the update.
+ */
+
+var updateService = Cc['@mozilla.org/offlinecacheupdate-service;1']
+                    .getService(Ci.nsIOfflineCacheUpdateService);
+
+var obs = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
+                       .getService(SpecialPowers.Ci.nsIObserverService);
+
+function finish() {
+  obs.notifyObservers(updateService, "disk-space-watcher", "free");
+
+  OfflineTest.teardownAndFinish();
+}
+
+function onError() {
+  OfflineTest.ok(true, "Expected error: Update canceled");
+  finish();
+}
+
+function onUnexpectedEvent() {
+  OfflineTest.ok(false, "The update was supposed to be canceled");
+  finish();
+}
+
+function onChecking() {
+  obs.notifyObservers(updateService, "disk-space-watcher", "full");
+}
+
+if (OfflineTest.setup()) {
+  applicationCache.onerror = OfflineTest.priv(onError);
+  applicationCache.onprogress = OfflineTest.priv(onUnexpectedEvent);
+  applicationCache.oncached = OfflineTest.priv(onUnexpectedEvent);
+  applicationCache.onchecking = OfflineTest.priv(onChecking);
+}
+
+SimpleTest.waitForExplicitFinish();
+
+</script>
+
+</head>
+
+<body>
+
+</body>
+</html>