gecko-dev/testing/web-platform/tests/IndexedDB/idbcursor_continue_invalid.htm

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<!DOCTYPE html>
<title>IDBCursor.continue() - attempt to call continue two times</title>
<link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support.js"></script>
<script>
var db,
t = async_test();
var open_rq = createdb(t);
open_rq.onupgradeneeded = function(e) {
db = e.target.result;
var objStore = db.createObjectStore("test");
objStore.createIndex("index", "");
objStore.add("data", 1);
objStore.add("data2", 2);
};
open_rq.onsuccess = function(e) {
var count = 0;
var cursor_rq = db.transaction("test")
.objectStore("test")
.index("index")
.openCursor();
cursor_rq.onsuccess = t.step_func(function(e) {
if (!e.target.result) {
assert_equals(count, 2, 'count');
t.done();
return;
}
var cursor = e.target.result;
cursor.continue(undefined);
// Second try
assert_throws('InvalidStateError',
function() { cursor.continue(); }, 'second continue');
assert_throws('InvalidStateError',
function() { cursor.continue(3); }, 'third continue');
count++;
});
};
</script>
<div id="log"></div>