src/tools/page_cycler/indexed_db/basic_insert/index.html

<!DOCTYPE HTML>
<html>
<title>Basic Insert</title>
<script src="../head.js"></script>
<script src="../common.js"></script>
<script>
  var RECORDS = 3000;

  var failed = false;
  function error(event) {
    log('Error ' + event.target.errorCode + ': '
        + event.target.webkitErrorMessage);

    if (!failed)
      testComplete(TEST_FAILED);
    failed = true;
  }

  function start() {
    if (!setup())
      testComplete(SETUP_FAILED);

    var request = indexedDB.deleteDatabase('idb_basic_insert');
    request.onsuccess = onDelete;
    request.onerror = error;
    request.onblocked = function(e) {
      console.log("delete got blocked event");
    };
  }

  function onDelete() {
    request = indexedDB.open('idb_basic_insert');
    request.onblocked = function(e) { console.log("open got blocked event"); };
    request.onerror = error;
    request.onupgradeneeded = function(e) {
      createObjectStores(e.target.result);
    };
    request.onsuccess = function(e) {
      db = request.result;
      var curVersion = db.version;
      if (curVersion !== 1) {
        // Old reference build that doesn't have upgradeneeded.
        // TODO(dgrogan): Remove when reference build is version 23 or later.
        var setVersionRequest = db.setVersion("1");
        setVersionRequest.onerror = error;
        setVersionRequest.onsuccess = function(e) {
          createObjectStores(db);
          var versionTransaction = setVersionRequest.result;
          versionTransaction.onerror = error;
          versionTransaction.oncomplete = storeCreated;
        }
      } else {
        storeCreated();
      }
    };
  }

  function createObjectStores(db) {
    db.createObjectStore('store');
  }

  function storeCreated() {
    var transaction = db.transaction(['store'], 'readwrite');
    transaction.oncomplete = insertsDone;
    transaction.onabort = function(e) {
      console.log("readwrite transaction aborted");
    };

    var objectStore = transaction.objectStore('store');
    log('Inserting ' + RECORDS + ' records with explicit key.');
    startTime = new Date();
    for (var i = 0; i < RECORDS; i++) {
      var x = Math.floor(Math.random() * 1000000);
      objectStore.put(x, x).onerror = error;
    }
  }

  function insertsDone() {
    var now = Date.now();
    var diff = now - startTime;
    log('Inserted ' + RECORDS + ' records in ' + diff + ' ms (' + diff /
        RECORDS + ' ms per record)');

    if (!failed)
      testComplete(now - startTime);
  }
</script>

<body onLoad="start()">
</body>
</html>