idbdatabase_createObjectStore4.htm
<!DOCTYPE html>
<title>IDBDatabase.createObjectStore() - attempt to create an object store that already exists </title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>
<script>
var t = async_test(),
open_rq = createdb(t)
open_rq.onupgradeneeded = function(e) {
var db = e.target.result
db.createObjectStore("dupe")
assert_throws(
'ConstraintError',
function() { db.createObjectStore("dupe") })
// Bonus test creating a new objectstore after the exception
db.createObjectStore("dupe ")
t.done()
}
</script>
<div id="log"></div>