Add all dart:html tests from the sdk to test/codegen.

test/codegen/lib/html/indexeddb_5_test.dart

+library IndexedDB1Test;
+import 'package:unittest/unittest.dart';
+import 'package:unittest/html_config.dart';
+import 'dart:async';
+import 'dart:html' as html;
+import 'dart:indexed_db' as idb;
+
+main() {
+  useHtmlConfiguration();
+
+  if (!idb.IdbFactory.supported) {
+    return;
+  }
+
+  var dbName = 'test_db_5';
+  var storeName = 'test_store';
+  var indexName = 'name_index';
+  var db;
+
+  test('init', () {
+    return html.window.indexedDB.deleteDatabase(dbName).then((_) {
+      return html.window.indexedDB.open(dbName, version: 1,
+        onUpgradeNeeded: (e) {
+          var db = e.target.result;
+          var objectStore = db.createObjectStore(storeName,
+              autoIncrement: true);
+          var index = objectStore.createIndex(indexName, 'name_index',
+              unique: false);
+        });
+    }).then((database) {
+      db = database;
+    });
+  });
+
+  if (html.window.indexedDB.supportsDatabaseNames) {
+    test('getDatabaseNames', () {
+      return html.window.indexedDB.getDatabaseNames().then((names) {
+        expect(names.contains(dbName), isTrue);
+      });
+    });
+  }
+
+  var value = {'name_index': 'one', 'value': 'add_value'};
+  test('add/delete', () {
+    var transaction = db.transaction(storeName, 'readwrite');
+    var key;
+    return transaction.objectStore(storeName).add(value).then((addedKey) {
+      key = addedKey;
+    }).then((_) {
+      return transaction.completed;
+    }).then((_) {
+      transaction = db.transaction(storeName, 'readonly');
+      return transaction.objectStore(storeName).getObject(key);
+    }).then((readValue) {
+      expect(readValue['value'], value['value']);
+      return transaction.completed;
+    }).then((_) {
+      transaction = db.transactionList([storeName], 'readwrite');
+      return transaction.objectStore(storeName).delete(key);
+    }).then((_) {
+      return transaction.completed;
+    }).then((_) {
+      var transaction = db.transactionList([storeName], 'readonly');
+      return transaction.objectStore(storeName).count();
+    }).then((count) {
+      expect(count, 0);
+    });
+  });
+
+  test('clear/count', () {
+    var transaction = db.transaction(storeName, 'readwrite');
+    transaction.objectStore(storeName).add(value);
+
+    return transaction.completed.then((_) {
+      transaction = db.transaction(storeName, 'readonly');
+      return transaction.objectStore(storeName).count();
+    }).then((count) {
+      expect(count, 1);
+    }).then((_) {
+      return transaction.completed;
+    }).then((_) {
+      transaction = db.transactionList([storeName], 'readwrite');
+      transaction.objectStore(storeName).clear();
+      return transaction.completed;
+    }).then((_) {
+      var transaction = db.transactionList([storeName], 'readonly');
+      return transaction.objectStore(storeName).count();
+    }).then((count) {
+      expect(count, 0);
+    });
+  });
+
+  test('index', () {
+    var transaction = db.transaction(storeName, 'readwrite');
+    transaction.objectStore(storeName).add(value);
+    transaction.objectStore(storeName).add(value);
+    transaction.objectStore(storeName).add(value);
+    transaction.objectStore(storeName).add(value);
+
+    return transaction.completed.then((_) {
+      transaction = db.transactionList([storeName], 'readonly');
+      var index = transaction.objectStore(storeName).index(indexName);
+      return index.count();
+    }).then((count) {
+      expect(count, 4);
+      return transaction.completed;
+    }).then((_) {
+      transaction = db.transaction(storeName, 'readonly');
+      var index = transaction.objectStore(storeName).index(indexName);
+      return index.openCursor(autoAdvance: true).length;
+    }).then((cursorsLength) {
+      expect(cursorsLength, 4);
+      return transaction.completed;
+    }).then((_) {
+      transaction = db.transaction(storeName, 'readonly');
+      var index = transaction.objectStore(storeName).index(indexName);
+      return index.openKeyCursor(autoAdvance: true).length;
+    }).then((cursorsLength) {
+      expect(cursorsLength, 4);
+      return transaction.completed;
+    }).then((_) {
+      transaction = db.transaction(storeName, 'readonly');
+      var index = transaction.objectStore(storeName).index(indexName);
+      return index.get('one');
+    }).then((readValue) {
+      expect(readValue['value'], value['value']);
+      return transaction.completed;
+    }).then((_) {
+      transaction = db.transaction(storeName, 'readwrite');
+      transaction.objectStore(storeName).clear();
+      return transaction.completed;
+    });
+  });
+
+  var deleteValue = {'name_index': 'two', 'value': 'delete_value'};
+  var updateValue = {'name_index': 'three', 'value': 'update_value'};
+  var updatedValue = {'name_index': 'three', 'value': 'updated_value'};
+  test('cursor', () {
+    var transaction = db.transaction(storeName, 'readwrite');
+    transaction.objectStore(storeName).add(value);
+    transaction.objectStore(storeName).add(deleteValue);
+    transaction.objectStore(storeName).add(updateValue);
+
+    return transaction.completed.then((_) {
+      transaction = db.transactionList([storeName], 'readwrite');
+      var index = transaction.objectStore(storeName).index(indexName);
+      var cursors = index.openCursor().asBroadcastStream();
+
+      cursors.listen((cursor) {
+        var value = cursor.value;
+        if (value['value'] == 'delete_value') {
+          cursor.delete().then((_) {
+            cursor.next();
+          });
+        } else if (value['value'] == 'update_value') {
+          cursor.update(updatedValue).then((_) {
+            cursor.next();
+          });
+        } else {
+          cursor.next();
+        }
+      });
+      return cursors.last;
+
+    }).then((_) {
+      return transaction.completed;
+    }).then((_) {
+      transaction = db.transaction(storeName, 'readonly');
+      var index = transaction.objectStore(storeName).index(indexName);
+      return index.get('three');
+    }).then((readValue) {
+      expect(readValue['value'], 'updated_value');
+      return transaction.completed;
+    }).then((_) {
+      transaction = db.transaction(storeName, 'readonly');
+      var index = transaction.objectStore(storeName).index(indexName);
+      return index.get('two');
+    }).then((readValue) {
+      expect(readValue, isNull);
+      return transaction.completed;
+    });
+  });
+}