<!DOCTYPE html> <title>IDBCursor direction - object store</title> <link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal"> <link rel=help href="http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#cursor-iteration-operation"> <link rel=assert title='If direction is "next", let found record be the first record in records which satisfy all of the following requirements'> <link rel=assert title="If position is defined, and source is an object store, the record's key is greater than position."> <link rel=assert title='If direction is "prev", let found record be the last record in records which satisfy all of the following requirements'> <link rel=assert title="If position is defined, and source is an object store, the record's key is less than position."> <link rel=assert title="Set cursor's position to found record's key. If source is an index, set cursor's object store position to found record's value."> <link rel=assert title="Set cursor's key to found record's key."> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="resources/support.js"></script> <script> var records = [ "Alice", "Bob", "Greg" ]; var directions = ["next", "prev", "nextunique", "prevunique"]; var cases = [ {dir: 'next', expect: ['Alice', 'Bob', 'Greg']}, {dir: 'prev', expect: ['Greg', 'Bob', 'Alice']}, {dir: 'nextunique', expect: ['Alice', 'Bob', 'Greg']}, {dir: 'prevunique', expect: ['Greg', 'Bob', 'Alice']}, ]; cases.forEach(function(testcase) { var dir = testcase.dir; var expect = testcase.expect; indexeddb_test( function(t, db, tx) { var objStore = db.createObjectStore("test"); for (var i = 0; i < records.length; i++) objStore.add(records[i], records[i]); }, function(t, db) { var count = 0; var rq = db.transaction("test", "readonly", {durability: 'relaxed'}).objectStore("test").openCursor(undefined, dir); rq.onsuccess = t.step_func(function(e) { var cursor = e.target.result; if (!cursor) { assert_equals(count, expect.length, "cursor runs"); t.done(); } assert_equals(cursor.value, expect[count], "cursor.value"); count++; cursor.continue(); }); rq.onerror = t.step_func(function(e) { e.preventDefault(); e.stopPropagation(); assert_unreached("rq.onerror - " + e.message); }); }, document.title + ' - ' + dir ); }); </script>