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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /webstorage/event_local_window_open_oldvalue.html - WPT Dashboard Interop Dashboard
<!DOCTYPE HTML>
<html>
<head>
<title>WebStorage Test: localStorage event - window open oldValue</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<h1>event_local_window_open_oldValue</h1>
<div id="log"></div>
<script>
async_test(function(t) {
localStorage.clear();
t.add_cleanup(function() { localStorage.clear(); });
// The opened window does setItem("name", "user1"), then
// setItem("name", "user2"), then clear(). The clear() event has
// oldValue == null, so the expected sequence is null -> user1 -> null.
var expected = [null, 'user1', null];
function onStorageEvent(event) {
assert_equals(event.oldValue, expected.shift());
if (!expected.length) {
t.done();
}
}
window.addEventListener('storage', t.step_func(onStorageEvent), false);
var win = window.open("resources/local_change_item_window.html");
t.add_cleanup(function() { win.close(); });
}, "oldValue property test of local event from window.open() - Local event is fired due to an invocation of the setItem(), clear() methods.");
</script>
</body>
</html>