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.single;
  
  import static org.junit.Assert.*;
  
  import java.io.IOException;
  
  import org.junit.Test;
  
  import io.reactivex.rxjava3.core.Single;
  import io.reactivex.rxjava3.exceptions.*;
  import io.reactivex.rxjava3.observers.TestObserver;
  import io.reactivex.rxjava3.subjects.*;
  import io.reactivex.rxjava3.testsupport.*;
  
  public class SingleOnErrorCompleteTest {
  
      @Test
      public void normal() {
          Single.just(1)
          .onErrorComplete()
          .test()
          .assertResult(1);
      }
  
      @Test
      public void error() throws Throwable {
          TestHelper.withErrorTracking(errors -> {
              Single.error(new TestException())
              .onErrorComplete()
              .test()
              .assertResult();
  
              assertTrue("" + errors, errors.isEmpty());
          });
      }
  
      @Test
      public void errorMatches() throws Throwable {
          TestHelper.withErrorTracking(errors -> {
              Single.error(new TestException())
              .onErrorComplete(error -> error instanceof TestException)
              .test()
              .assertResult();
  
              assertTrue("" + errors, errors.isEmpty());
          });
      }
  
      @Test
      public void errorNotMatches() throws Throwable {
          TestHelper.withErrorTracking(errors -> {
              Single.error(new IOException())
              .onErrorComplete(error -> error instanceof TestException)
              .test()
              .assertFailure(IOException.class);
  
              assertTrue("" + errors, errors.isEmpty());
          });
      }
  
      @Test
      public void errorPredicateCrash() throws Throwable {
          TestHelper.withErrorTracking(errors -> {
              TestObserverEx<Object> to = Single.error(new IOException())
              .onErrorComplete(error -> { throw new TestException(); })
              .subscribeWith(new TestObserverEx<>())
              .assertFailure(CompositeException.class);
  
              TestHelper.assertError(to, 0, IOException.class);
              TestHelper.assertError(to, 1, TestException.class);
  
              assertTrue("" + errors, errors.isEmpty());
          });
      }
  
      @Test
      public void dispose() {
          SingleSubject<Integer> ss = SingleSubject.create();
  
          TestObserver<Integer> to = ss
                  .onErrorComplete()
                  .test();
  
          assertTrue("No subscribers?!", ss.hasObservers());
  
          to.dispose();
  
          assertFalse("Still subscribers?!", ss.hasObservers());
      }
  
      @Test
      public void onSubscribe() {
          TestHelper.checkDoubleOnSubscribeSingleToMaybe(f -> f.onErrorComplete());
      }
  
      @Test
      public void isDisposed() {
          TestHelper.checkDisposed(SingleSubject.create().onErrorComplete());
      }
  }
  