content: package io.activej.datastream.processor;
  
  import io.activej.datastream.consumer.StreamConsumer;
  import io.activej.datastream.consumer.ToListStreamConsumer;
  import io.activej.datastream.supplier.StreamSupplier;
  import io.activej.datastream.supplier.StreamSuppliers;
  import io.activej.test.rules.EventloopRule;
  import org.junit.ClassRule;
  import org.junit.Test;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import static io.activej.datastream.TestUtils.assertEndOfStream;
  import static io.activej.promise.TestUtils.await;
  import static org.junit.Assert.assertEquals;
  
  public class ToListConsumerTest {
  
  	@ClassRule
  	public static final EventloopRule eventloopRule = new EventloopRule();
  
  	@Test
  	public void emptyListTest() {
  		ToListStreamConsumer<String> consumer = ToListStreamConsumer.create();
  
  		List<String> testList2 = new ArrayList<>();
  		testList2.add("a");
  		testList2.add("b");
  		testList2.add("c");
  		testList2.add("d");
  
  		StreamSupplier<String> supplier = StreamSuppliers.ofIterable(testList2);
  		await(supplier.streamTo(consumer));
  
  		assertEquals(testList2, consumer.getList());
  		assertEndOfStream(supplier);
  	}
  
  	@Test
  	public void fullListTest() {
  		List<Integer> testList1 = new ArrayList<>();
  		testList1.add(1);
  		testList1.add(2);
  		testList1.add(3);
  		StreamConsumer<Integer> consumer = ToListStreamConsumer.create(testList1);
  
  		List<Integer> testList2 = new ArrayList<>();
  		testList2.add(4);
  		testList2.add(5);
  		testList2.add(6);
  
  		StreamSupplier<Integer> supplier = StreamSuppliers.ofIterable(testList2);
  		await(supplier.streamTo(consumer));
  
  		assertEquals(List.of(1, 2, 3, 4, 5, 6), testList1);
  		assertEndOfStream(supplier);
  	}
  
  }
  