code: /*
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.rxjava3.internal.operators.completable;
  
  import java.util.List;
  
  import org.junit.Test;
  
  import io.reactivex.rxjava3.core.*;
  import io.reactivex.rxjava3.exceptions.TestException;
  import io.reactivex.rxjava3.functions.Action;
  import io.reactivex.rxjava3.internal.functions.Functions;
  import io.reactivex.rxjava3.plugins.RxJavaPlugins;
  import io.reactivex.rxjava3.subjects.CompletableSubject;
  import io.reactivex.rxjava3.testsupport.TestHelper;
  
  public class CompletablePeekTest extends RxJavaTest {
  
      @Test
      public void onAfterTerminateCrashes() {
          List<Throwable> errors = TestHelper.trackPluginErrors();
          try {
              Completable.complete()
              .doAfterTerminate(new Action() {
                  @Override
                  public void run() throws Exception {
                      throw new TestException();
                  }
              })
              .test()
              .assertResult();
  
              TestHelper.assertUndeliverable(errors, 0, TestException.class);
          } finally {
              RxJavaPlugins.reset();
          }
      }
  
      @Test
      public void disposed() {
          TestHelper.checkDisposed(CompletableSubject.create().doOnComplete(Functions.EMPTY_ACTION));
      }
  }
  