| <!DOCTYPE html> |
| <title>IDBCursor.advance() - index - iterate to the next record</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#widl-IDBCursor-advance-void-unsigned-long-count"> |
| <link rel=assert title="The operation runs the steps for iterating a cursor count number of times with null as key and this cursor as cursor."> |
| <link rel=assert title="The number of advances forward the cursor should make."> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <script src="support.js"></script> |
| |
| <script> |
| var db, |
| count = 0, |
| t = async_test(document.title, {timeout: 10000}), |
| records = [ { pKey: "primaryKey_0", iKey: "indexKey_0" }, |
| { pKey: "primaryKey_1", iKey: "indexKey_1" }, |
| { pKey: "primaryKey_1-2", iKey: "indexKey_1" } ], |
| expected = [ { pKey: "primaryKey_0", iKey: "indexKey_0" }, |
| { pKey: "primaryKey_1-2", 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 cursor_rq = db.transaction("test") |
| .objectStore("test") |
| .index("index") |
| .openCursor(); |
| |
| cursor_rq.onsuccess = t.step_func(function(e) { |
| var cursor = e.target.result; |
| if (!cursor) { |
| assert_equals(count, expected.length, "cursor run count") |
| t.done() |
| } |
| |
| var record = cursor.value; |
| assert_equals(record.pKey, expected[count].pKey, "primary key"); |
| assert_equals(record.iKey, expected[count].iKey, "index key"); |
| |
| cursor.advance(2); |
| count++; |
| }); |
| }; |
| </script> |
| |
| <div id="log"></div> |
