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.maybe;
  
  import static org.junit.Assert.*;
  
  import java.util.List;
  
  import org.junit.Test;
  import org.reactivestreams.Subscriber;
  
  import io.reactivex.rxjava3.core.*;
  import io.reactivex.rxjava3.exceptions.*;
  import io.reactivex.rxjava3.functions.Function;
  import io.reactivex.rxjava3.internal.subscriptions.BooleanSubscription;
  import io.reactivex.rxjava3.observers.TestObserver;
  import io.reactivex.rxjava3.processors.PublishProcessor;
  import io.reactivex.rxjava3.testsupport.*;
  
  public class MaybeDelayOtherTest extends RxJavaTest {
  
      @Test
      public void justWithOnNext() {
          PublishProcessor<Object> pp = PublishProcessor.create();
  
          TestObserver<Integer> to = Maybe.just(1)
          .delay(pp).test();
  
          to.assertEmpty();
  
          assertTrue(pp.hasSubscribers());
  
          pp.onNext(1);
  
          assertFalse(pp.hasSubscribers());
  
          to.assertResult(1);
      }
  
      @Test
      public void justWithOnComplete() {
          PublishProcessor<Object> pp = PublishProcessor.create();
  
          TestObserver<Integer> to = Maybe.just(1)
          .delay(pp).test();
  
          to.assertEmpty();
  
          assertTrue(pp.hasSubscribers());
  
          pp.onComplete();
  
          assertFalse(pp.hasSubscribers());
  
          to.assertResult(1);
      }
  
      @Test
      public void justWithOnError() {
          PublishProcessor<Object> pp = PublishProcessor.create();
  
          TestObserverEx<Integer> to = Maybe.just(1)
          .delay(pp).to(TestHelper.<Integer>testConsumer());
  
          to.assertEmpty();
  
          assertTrue(pp.hasSubscribers());
  
          pp.onError(new TestException("Other"));
  
          assertFalse(pp.hasSubscribers());
  
          to.assertFailureAndMessage(TestException.class, "Other");
      }
  
      @Test
      public void emptyWithOnNext() {
          PublishProcessor<Object> pp = PublishProcessor.create();
  
          TestObserver<Integer> to = Maybe.<Integer>empty()
          .delay(pp).test();
  
          to.assertEmpty();
  
          assertTrue(pp.hasSubscribers());
  
          pp.onNext(1);
  
          assertFalse(pp.hasSubscribers());
  
          to.assertResult();
      }
  
      @Test
      public void emptyWithOnComplete() {
          PublishProcessor<Object> pp = PublishProcessor.create();
  
          TestObserver<Integer> to = Maybe.<Integer>empty()
          .delay(pp).test();
  
          to.assertEmpty();
  
          assertTrue(pp.hasSubscribers());
  
          pp.onComplete();
  
          assertFalse(pp.hasSubscribers());
  
          to.assertResult();
      }
  
      @Test
      public void emptyWithOnError() {
          PublishProcessor<Object> pp = PublishProcessor.create();
  
          TestObserverEx<Integer> to = Maybe.<Integer>empty()
          .delay(pp).to(TestHelper.<Integer>testConsumer());
  
          to.assertEmpty();
  
          assertTrue(pp.hasSubscribers());
  
          pp.onError(new TestException("Other"));
  
          assertFalse(pp.hasSubscribers());
  
          to.assertFailureAndMessage(TestException.class, "Other");
      }
  
      @Test
      public void errorWithOnNext() {
          PublishProcessor<Object> pp = PublishProcessor.create();
  
          TestObserverEx<Integer> to = Maybe.<Integer>error(new TestException("Main"))
          .delay(pp).to(TestHelper.<Integer>testConsumer());
  
          to.assertEmpty();
  
          assertTrue(pp.hasSubscribers());
  
          pp.onNext(1);
  
          assertFalse(pp.hasSubscribers());
  
          to.assertFailureAndMessage(TestException.class, "Main");
      }
  
      @Test
      public void errorWithOnComplete() {
          PublishProcessor<Object> pp = PublishProcessor.create();
  
          TestObserverEx<Integer> to = Maybe.<Integer>error(new TestException("Main"))
          .delay(pp).to(TestHelper.<Integer>testConsumer());
  
          to.assertEmpty();
  
          assertTrue(pp.hasSubscribers());
  
          pp.onComplete();
  
          assertFalse(pp.hasSubscribers());
  
          to.assertFailureAndMessage(TestException.class, "Main");
      }
  
      @Test
      public void errorWithOnError() {
          PublishProcessor<Object> pp = PublishProcessor.create();
  
          TestObserverEx<Integer> to = Maybe.<Integer>error(new TestException("Main"))
          .delay(pp).to(TestHelper.<Integer>testConsumer());
  
          to.assertEmpty();
  
          assertTrue(pp.hasSubscribers());
  
          pp.onError(new TestException("Other"));
  
          assertFalse(pp.hasSubscribers());
  
          to.assertFailure(CompositeException.class);
  
          List<Throwable> list = TestHelper.compositeList(to.errors().get(0));
          assertEquals(2, list.size());
  
          TestHelper.assertError(list, 0, TestException.class, "Main");
          TestHelper.assertError(list, 1, TestException.class, "Other");
      }
  
      @Test
      public void withCompletableDispose() {
          TestHelper.checkDisposed(Completable.complete().andThen(Maybe.just(1)));
      }
  
      @Test
      public void withCompletableDoubleOnSubscribe() {
          TestHelper.checkDoubleOnSubscribeCompletableToMaybe(new Function<Completable, MaybeSource<Integer>>() {
              @Override
              public MaybeSource<Integer> apply(Completable c) throws Exception {
                  return c.andThen(Maybe.just(1));
              }
          });
      }
  
      @Test
      public void withOtherPublisherDispose() {
          TestHelper.checkDisposed(Maybe.just(1).delay(Flowable.just(1)));
      }
  
      @Test
      public void withOtherPublisherDoubleOnSubscribe() {
          TestHelper.checkDoubleOnSubscribeMaybe(new Function<Maybe<Integer>, MaybeSource<Integer>>() {
              @Override
              public MaybeSource<Integer> apply(Maybe<Integer> c) throws Exception {
                  return c.delay(Flowable.never());
              }
          });
      }
  
      @Test
      public void otherPublisherNextSlipsThrough() {
          Maybe.just(1).delay(new Flowable<Integer>() {
              @Override
              protected void subscribeActual(Subscriber<? super Integer> s) {
                  s.onSubscribe(new BooleanSubscription());
                  s.onNext(1);
                  s.onNext(2);
              }
          })
          .test()
          .assertResult(1);
      }
  }
  