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Unified Diff: test/codegen/lib/html/indexeddb_3_test.dart

Issue 1930043002: Add all dart:html tests from the sdk to test/codegen. (Closed) Base URL: git@github.com:dart-lang/dev_compiler.git@master
Patch Set: ptal Created 4 years, 8 months ago
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Index: test/codegen/lib/html/indexeddb_3_test.dart
diff --git a/test/codegen/lib/html/indexeddb_3_test.dart b/test/codegen/lib/html/indexeddb_3_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..c5034c45f394b4b95573c86af3fc1a9d9108a91d
--- /dev/null
+++ b/test/codegen/lib/html/indexeddb_3_test.dart
@@ -0,0 +1,114 @@
+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);
+ });
+ }
+}
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