mirror of
https://github.com/dart-lang/sdk
synced 2024-10-14 12:48:10 +00:00
4283c3e41e
R=sigmund@google.com Review URL: https://codereview.chromium.org//231413003 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@34890 260f80e4-7a28-3924-810f-c04153c831b5
115 lines
2.8 KiB
Dart
115 lines
2.8 KiB
Dart
library IndexedDB3Test;
|
|
import 'package:unittest/unittest.dart';
|
|
import 'package:unittest/html_config.dart';
|
|
import 'dart:async';
|
|
import 'dart:html' as html;
|
|
import 'dart:indexed_db';
|
|
|
|
// Read with cursor.
|
|
|
|
const String DB_NAME = 'Test3';
|
|
const String STORE_NAME = 'TEST';
|
|
const int VERSION = 1;
|
|
|
|
|
|
Future<Database> createAndOpenDb() {
|
|
return html.window.indexedDB.deleteDatabase(DB_NAME).then((_) {
|
|
return html.window.indexedDB.open(DB_NAME, version: VERSION,
|
|
onUpgradeNeeded: (e) {
|
|
var db = e.target.result;
|
|
db.createObjectStore(STORE_NAME);
|
|
});
|
|
});
|
|
}
|
|
|
|
Future<Database> writeItems(Database db) {
|
|
Future<Object> write(index) {
|
|
var transaction = db.transaction(STORE_NAME, 'readwrite');
|
|
transaction.objectStore(STORE_NAME).put('Item $index', index);
|
|
return transaction.completed;
|
|
}
|
|
|
|
var future = write(0);
|
|
for (var i = 1; i < 100; ++i) {
|
|
future = future.then((_) => write(i));
|
|
}
|
|
|
|
// Chain on the DB so we return it at the end.
|
|
return future.then((_) => db);
|
|
}
|
|
|
|
Future<Database> setupDb() {
|
|
return createAndOpenDb().then(writeItems);
|
|
}
|
|
|
|
Future<Database> readAllViaCursor(Database db) {
|
|
Transaction txn = db.transaction(STORE_NAME, 'readonly');
|
|
ObjectStore objectStore = txn.objectStore(STORE_NAME);
|
|
int itemCount = 0;
|
|
int sumKeys = 0;
|
|
var lastKey = null;
|
|
|
|
var cursors = objectStore.openCursor().asBroadcastStream();
|
|
cursors.listen(
|
|
(cursor) {
|
|
++itemCount;
|
|
lastKey = cursor.key;
|
|
sumKeys += cursor.key;
|
|
expect(cursor.value, 'Item ${cursor.key}');
|
|
cursor.next();
|
|
});
|
|
cursors.last.then(
|
|
(cursor) {
|
|
expect(lastKey, 99);
|
|
expect(sumKeys, (100 * 99) ~/ 2);
|
|
expect(itemCount, 100);
|
|
});
|
|
|
|
return cursors.last.then((_) => db);
|
|
}
|
|
|
|
Future<Database> readAllReversedViaCursor(Database db) {
|
|
Transaction txn = db.transaction(STORE_NAME, 'readonly');
|
|
ObjectStore objectStore = txn.objectStore(STORE_NAME);
|
|
int itemCount = 0;
|
|
int sumKeys = 0;
|
|
var lastKey = null;
|
|
|
|
var cursors = objectStore.openCursor(direction: 'prev').asBroadcastStream();
|
|
cursors.listen(
|
|
(cursor) {
|
|
++itemCount;
|
|
lastKey = cursor.key;
|
|
sumKeys += cursor.key;
|
|
expect(cursor.value, 'Item ${cursor.key}');
|
|
cursor.next();
|
|
});
|
|
cursors.last.then(
|
|
(cursor) {
|
|
expect(lastKey, 0);
|
|
expect(sumKeys, (100 * 99) ~/ 2);
|
|
expect(itemCount, 100);
|
|
});
|
|
return cursors.last.then((_) => db);
|
|
}
|
|
|
|
main() {
|
|
useHtmlConfiguration();
|
|
|
|
// Don't bother with these tests if it's unsupported.
|
|
// Support is tested in indexeddb_1_test
|
|
if (IdbFactory.supported) {
|
|
var db;
|
|
test('prepare', () {
|
|
return setupDb().then((result) { db = result; });
|
|
});
|
|
test('readAll1', () {
|
|
return readAllViaCursor(db);
|
|
});
|
|
|
|
test('readAll2', () {
|
|
return readAllReversedViaCursor(db);
|
|
});
|
|
}
|
|
}
|