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 java.util.List;
  
  import org.junit.Test;
  
  import io.reactivex.rxjava3.core.*;
  import io.reactivex.rxjava3.exceptions.TestException;
  import io.reactivex.rxjava3.plugins.RxJavaPlugins;
  import io.reactivex.rxjava3.testsupport.TestHelper;
  
  public class SingleEqualsTest extends RxJavaTest {
  
      @Test
      public void bothSucceedEqual() {
          Single.sequenceEqual(Single.just(1), Single.just(1))
          .test()
          .assertResult(true);
      }
  
      @Test
      public void bothSucceedNotEqual() {
          Single.sequenceEqual(Single.just(1), Single.just(2))
          .test()
          .assertResult(false);
      }
  
      @Test
      public void firstSucceedOtherError() {
          Single.sequenceEqual(Single.just(1), Single.error(new TestException()))
          .test()
          .assertFailure(TestException.class);
      }
  
      @Test
      public void firstErrorOtherSucceed() {
          Single.sequenceEqual(Single.error(new TestException()), Single.just(1))
          .test()
          .assertFailure(TestException.class);
      }
  
      @Test
      public void bothError() {
          List<Throwable> errors = TestHelper.trackPluginErrors();
          try {
              Single.sequenceEqual(Single.error(new TestException("One")), Single.error(new TestException("Two")))
              .to(TestHelper.<Boolean>testConsumer())
              .assertFailureAndMessage(TestException.class, "One");
  
              TestHelper.assertUndeliverable(errors, 0, TestException.class, "Two");
          } finally {
              RxJavaPlugins.reset();
          }
      }
  }
  