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.mixed;
  
  import static org.junit.Assert.*;
  
  import org.junit.Test;
  
  import io.reactivex.rxjava3.core.*;
  import io.reactivex.rxjava3.exceptions.TestException;
  import io.reactivex.rxjava3.observers.TestObserver;
  import io.reactivex.rxjava3.subjects.*;
  import io.reactivex.rxjava3.testsupport.TestHelper;
  
  public class CompletableAndThenObservableTest extends RxJavaTest {
  
      @Test
      public void cancelMain() {
          CompletableSubject cs = CompletableSubject.create();
          PublishSubject<Integer> ps = PublishSubject.create();
  
          TestObserver<Integer> to = cs.andThen(ps)
                  .test();
  
          assertTrue(cs.hasObservers());
          assertFalse(ps.hasObservers());
  
          to.dispose();
  
          assertFalse(cs.hasObservers());
          assertFalse(ps.hasObservers());
      }
  
      @Test
      public void cancelOther() {
          CompletableSubject cs = CompletableSubject.create();
          PublishSubject<Integer> ps = PublishSubject.create();
  
          TestObserver<Integer> to = cs.andThen(ps)
                  .test();
  
          assertTrue(cs.hasObservers());
          assertFalse(ps.hasObservers());
  
          cs.onComplete();
  
          assertFalse(cs.hasObservers());
          assertTrue(ps.hasObservers());
  
          to.dispose();
  
          assertFalse(cs.hasObservers());
          assertFalse(ps.hasObservers());
      }
  
      @Test
      public void errorMain() {
          CompletableSubject cs = CompletableSubject.create();
          PublishSubject<Integer> ps = PublishSubject.create();
  
          TestObserver<Integer> to = cs.andThen(ps)
                  .test();
  
          assertTrue(cs.hasObservers());
          assertFalse(ps.hasObservers());
  
          cs.onError(new TestException());
  
          assertFalse(cs.hasObservers());
          assertFalse(ps.hasObservers());
  
          to.assertFailure(TestException.class);
      }
  
      @Test
      public void errorOther() {
          CompletableSubject cs = CompletableSubject.create();
          PublishSubject<Integer> ps = PublishSubject.create();
  
          TestObserver<Integer> to = cs.andThen(ps)
                  .test();
  
          assertTrue(cs.hasObservers());
          assertFalse(ps.hasObservers());
  
          cs.onComplete();
  
          assertFalse(cs.hasObservers());
          assertTrue(ps.hasObservers());
  
          ps.onError(new TestException());
  
          assertFalse(cs.hasObservers());
          assertFalse(ps.hasObservers());
  
          to.assertFailure(TestException.class);
      }
  
      @Test
      public void isDisposed() {
          TestHelper.checkDisposed(Completable.never().andThen(Observable.never()));
      }
  
  }
  