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

test/codegen/lib/html/websql_test.dart

+library WebDBTest;
+import 'dart:async';
+import 'dart:html';
+import 'dart:web_sql';
+import 'package:unittest/unittest.dart';
+import 'package:unittest/html_individual_config.dart';
+
+Future<SqlTransaction> transaction(SqlDatabase db) {
+  final completer = new Completer<SqlTransaction>.sync();
+
+  db.transaction((SqlTransaction transaction) {
+    completer.complete(transaction);
+  }, (SqlError error) {
+    completer.completeError(error);
+  });
+
+  return completer.future;
+}
+
+Future<SqlResultSet> createTable(SqlTransaction transaction, String tableName,
+    String columnName) {
+  final completer = new Completer<SqlResultSet>.sync();
+
+  final sql = 'CREATE TABLE $tableName ($columnName)';
+  transaction.executeSql(sql, [],
+    (SqlTransaction tx, SqlResultSet rs) {
+      completer.complete(rs);
+    },
+    (SqlTransaction tx, SqlError error) {
+      completer.completeError(error);
+    });
+
+  return completer.future;
+}
+
+Future<SqlResultSet> insert(SqlTransaction transaction, String tableName,
+    String columnName, value) {
+  final completer = new Completer<SqlResultSet>.sync();
+
+  final sql = 'INSERT INTO $tableName ($columnName) VALUES (?)';
+  transaction.executeSql(sql, [value],
+    (SqlTransaction tx, SqlResultSet rs) {
+      completer.complete(rs);
+    },
+    (SqlTransaction tx, SqlError error) {
+      completer.completeError(error);
+    });
+
+  return completer.future;
+}
+
+Future<SqlResultSet> queryTable(SqlTransaction transaction, String tableName) {
+  final completer = new Completer<SqlResultSet>.sync();
+
+  final sql = 'SELECT * FROM $tableName';
+  transaction.executeSql(sql, [],
+    (SqlTransaction tx, SqlResultSet rs) {
+      completer.complete(rs);
+    },
+    (SqlTransaction tx, SqlError error) {
+      completer.completeError(error);
+    });
+
+  return completer.future;
+}
+
+Future<SqlResultSet> dropTable(SqlTransaction transaction, String tableName,
+    [bool ignoreFailure = false]) {
+  final completer = new Completer<SqlResultSet>.sync();
+
+  final sql = 'DROP TABLE $tableName';
+  transaction.executeSql(sql, [],
+    (SqlTransaction tx, SqlResultSet rs) {
+      completer.complete(rs);
+    },
+    (SqlTransaction tx, SqlError error) {
+      if (ignoreFailure) {
+        completer.complete(null);
+      } else {
+        completer.completeError(error);
+      }
+    });
+
+  return completer.future;
+}
+
+main() {
+  useHtmlIndividualConfiguration();
+
+  group('supported', () {
+    test('supported', () {
+      expect(SqlDatabase.supported, true);
+    });
+  });
+
+  group('functional', () {
+    test('unsupported throws', () {
+      var expectation = SqlDatabase.supported ? returnsNormally : throws;
+      expect(() {
+        window.openDatabase('test_db', '1.0', 'test_db', 1024 * 1024);
+      }, expectation);
+
+    });
+    test('Web Database', () {
+      // Skip if not supported.
+      if (!SqlDatabase.supported) {
+        return new Future.value();
+      }
+
+      final tableName = 'test_table';
+      final columnName = 'test_data';
+
+      final db = window.openDatabase('test_db', '1.0', 'test_db', 1024 * 1024);
+
+      expect(db, isNotNull, reason: 'Unable to open database');
+
+      var tx;
+      return transaction(db).then((transaction) {
+        tx = transaction;
+      }).then((_) {
+        // Attempt to clear out any tables which may be lurking from previous
+        // runs.
+        return dropTable(tx, tableName, true);
+      }).then((_) {
+        return createTable(tx, tableName, columnName);
+      }).then((_) {
+        return insert(tx, tableName, columnName, 'Some text data');
+      }).then((_) {
+        return queryTable(tx, tableName);
+      }).then((resultSet) {
+        expect(resultSet.rows.length, 1);
+        var row = resultSet.rows.item(0);
+        expect(row.containsKey(columnName), isTrue);
+        expect(row[columnName], 'Some text data');
+        expect(resultSet.rows[0], row);
+      }).then((_) {
+        return dropTable(tx, tableName);
+      });
+    });
+  });
+}