LayoutTests/fast/events/storageevent-initStorageEvent-nullable.html

<script src="../../resources/js-test-pre.js"></script>
<script>
description("Tests nullable parameters to StorageEvent.initStorageEvent()");

var event = new StorageEvent("storage");
shouldBe("event.__proto__", "StorageEvent.prototype");

evalAndLog('event.initStorageEvent("storage", false, false, "key", "oldValue", "newValue", "url")');
shouldBeEqualToString("event.oldValue", "oldValue");
shouldBeEqualToString("event.newValue", "newValue");

evalAndLog('event.initStorageEvent("storage", false, false, "key", null, null, "url")');
shouldBeNull("event.oldValue");
shouldBeNull("event.newValue");

evalAndLog('event.initStorageEvent("storage", false, false, "key", "oldValue", "newValue", "url")');
shouldBeEqualToString("event.oldValue", "oldValue");
shouldBeEqualToString("event.newValue", "newValue");

evalAndLog('event.initStorageEvent("storage", false, false, "key", undefined, undefined, "url")');
shouldBeNull("event.oldValue");
shouldBeNull("event.newValue");

</script>
<script src="../../resources/js-test-post.js"></script>