@@ -0,0 +1,1831 @@
+/*%0A * Licensed to the Apache Software Foundation (ASF) under one%0A * or more contributor license agreements.  See the NOTICE file%0A * distributed with this work for additional information%0A * regarding copyright ownership.  The ASF licenses this file%0A * to you under the Apache License, Version 2.0 (the%0A * %22License%22); you may not use this file except in compliance%0A * with the License.  You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A%0A// Do not add a package declaration: this test excersizes handling of the default package, see%0A// https://github.com/apache/beam/issues/22784%0A%0Aimport org.apache.beam.sdk.transforms.DoFn;%0Aimport org.apache.beam.sdk.transforms.reflect.DoFnInvoker;%0Aimport org.apache.beam.sdk.transforms.reflect.DoFnInvokers;%0Aimport org.junit.Before;%0Aimport org.junit.Test;%0Aimport org.junit.runner.RunWith;%0Aimport org.junit.runners.JUnit4;%0Aimport org.mockito.Mock;%0Aimport org.mockito.MockitoAnnotations;%0A%0A@RunWith(JUnit4.class)%0Apublic final class DefaultPackageTest %7B%0A%0A  @Mock private DoFnInvoker.ArgumentProvider%3CString, String%3E mockArgumentProvider;%0A%0A  @Before%0A  public void setUp() %7B%0A    MockitoAnnotations.initMocks(this);%0A  %7D%0A%0A  @Test%0A  public void defaultPackageInvoker() %7B%0A    DoFn%3CString, String%3E f = new MyFn();%0A    DoFnInvokers.invokerFor(f).invokeProcessElement(mockArgumentProvider);%0A  %7D%0A%0A  private static class MyFn extends DoFn%3CString, String%3E %7B%0A    @ProcessElement%0A    public void processElement(ProcessContext context) %7B%7D%0A  %7D%0A%7D%0A

Add a regression test