| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>IDBCursor.advance() - object store - throw InvalidStateError</title> |
| <link rel="author" title="Intel" href="http://www.intel.com"> |
| <link rel="help" href="https://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#widl-IDBCursor-advance-void-unsigned-long-count"> |
| <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"}, |
| { pKey: "primaryKey_1"}]; |
| |
| var open_rq = createdb(t); |
| open_rq.onupgradeneeded = function (event) { |
| db = event.target.result; |
| var objStore = db.createObjectStore("store", {keyPath:"pKey"}); |
| for (var i = 0; i < records.length; i++) { |
| objStore.add(records[i]); |
| } |
| } |
| |
| open_rq.onsuccess = function (event) { |
| var txn = db.transaction("store", "readwrite"); |
| var rq = txn.objectStore("store").openCursor(); |
| rq.onsuccess = t.step_func(function(event) { |
| var cursor = event.target.result; |
| assert_true(cursor instanceof IDBCursor); |
| |
| cursor.advance(1); |
| assert_throws("InvalidStateError", function() { |
| cursor.advance(1); |
| }, "Calling advance() should throw DOMException when the cursor is currently being iterated."); |
| |
| t.done(); |
| }); |
| } |
| </script> |
| |
