<!DOCTYPE html> <title>IDBCursor.continue() - index - attempt to iterate to the previous record when the direction is set for the next record </title> <link rel="author" title="Microsoft" href="http://www.microsoft.com"> <link rel=help href="http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#widl-IDBCursor-continue-void-any-key"> <link rel=assert title="The parameter is less than or equal to this cursor's position and this cursor's direction is 'next' or 'nextunique'."> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="support.js"></script> <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("test", {keyPath:"pKey"}); objStore.createIndex("index", "iKey"); for (var i = 0; i < records.length; i++) objStore.add(records[i]); }; open_rq.onsuccess = function(e) { var count = 0; var cursor_rq = db.transaction("test") .objectStore("test") .index("index") .openCursor(undefined, "next"); // XXX: Fx has issue with "undefined" cursor_rq.onsuccess = t.step_func(function(e) { var cursor = e.target.result; if (!cursor) { assert_equals(count, 2, "ran number of times"); t.done(); } // First time checks key equal, second time checks key less than assert_throws("DataError", function() { cursor.continue(records[0].iKey); }); cursor.continue(); count++; }); }; </script> <div id="log"></div>