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<!DOCTYPE html>
<title>IDBCursor.update() - index - throw InvalidStateError when the cursor is being iterated</title>
<link rel="author" title="Mozilla" href="https://www.mozilla.org">
<link rel="help" href="https://www.w3.org/TR/IndexedDB/#widl-IDBCursor-update-IDBRequest-any-value">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>
<div id="log"></div>
<script>
var db,
t = async_test(),
records = [ { pKey: "primaryKey_0", iKey: "indexKey_0" },
{ pKey: "primaryKey_1", iKey: "indexKey_1" } ];
var open_rq = createdb(t);
open_rq.onupgradeneeded = function(e) {
db = e.target.result;
var objStore = db.createObjectStore("store", { keyPath: "pKey" });
objStore.createIndex("index", "iKey");
for (var i = 0; i < records.length; i++)
objStore.add(records[i]);
};
open_rq.onsuccess = function(e) {
var cursor_rq = db.transaction("store", "readwrite")
.objectStore("store")
.index("index")
.openCursor();
cursor_rq.onsuccess = t.step_func(function(e) {
var cursor = e.target.result;
assert_true(cursor instanceof IDBCursor, "cursor exists");
cursor.continue();
assert_throws("InvalidStateError", function() {
cursor.update({ pKey: "primaryKey_0", iKey: "indexKey_0_updated" });
});
t.done();
});
}
</script>
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