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.observable;
  
  import java.util.Arrays;
  
  import org.junit.Test;
  
  import io.reactivex.rxjava3.core.*;
  import io.reactivex.rxjava3.operators.QueueFuseable;
  import io.reactivex.rxjava3.testsupport.TestHelper;
  
  public class ObservableFuseableTest extends RxJavaTest {
  
      @Test
      public void syncRange() {
  
          Observable.range(1, 10)
          .to(TestHelper.<Integer>testConsumer(QueueFuseable.ANY, false))
          .assertFusionMode(QueueFuseable.SYNC)
          .assertValues(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
          .assertNoErrors()
          .assertComplete();
      }
  
      @Test
      public void syncArray() {
  
          Observable.fromArray(new Integer[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 })
          .to(TestHelper.<Integer>testConsumer(QueueFuseable.ANY, false))
          .assertFusionMode(QueueFuseable.SYNC)
          .assertValues(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
          .assertNoErrors()
          .assertComplete();
      }
  
      @Test
      public void syncIterable() {
  
          Observable.fromIterable(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10))
          .to(TestHelper.<Integer>testConsumer(QueueFuseable.ANY, false))
          .assertFusionMode(QueueFuseable.SYNC)
          .assertValues(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
          .assertNoErrors()
          .assertComplete();
      }
  
      @Test
      public void syncRangeHidden() {
  
          Observable.range(1, 10).hide()
          .to(TestHelper.<Integer>testConsumer(QueueFuseable.ANY, false))
          .assertNotFuseable()
          .assertFusionMode(QueueFuseable.NONE)
          .assertValues(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
          .assertNoErrors()
          .assertComplete();
      }
  
      @Test
      public void syncArrayHidden() {
          Observable.fromArray(new Integer[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 })
          .hide()
          .to(TestHelper.<Integer>testConsumer(QueueFuseable.ANY, false))
          .assertNotFuseable()
          .assertFusionMode(QueueFuseable.NONE)
          .assertValues(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
          .assertNoErrors()
          .assertComplete();
      }
  
      @Test
      public void syncIterableHidden() {
          Observable.fromIterable(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10))
          .hide()
          .to(TestHelper.<Integer>testConsumer(QueueFuseable.ANY, false))
          .assertNotFuseable()
          .assertFusionMode(QueueFuseable.NONE)
          .assertValues(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
          .assertNoErrors()
          .assertComplete();
      }
  }
  