// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file // for details. All rights reserved. Use of this source code is governed by a // BSD-style license that can be found in the LICENSE file. /// A class must implement a known interface. class Interface2NegativeTest implements BooHoo {} // ^^^^^^ // [analyzer] COMPILE_TIME_ERROR.IMPLEMENTS_NON_CLASS // [cfe] Type 'BooHoo' not found. main() { Interface2NegativeTest(); }