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How to use iterator method of org.assertj.core.internal.iterables.SinglyIterableFactory class

Best Assertj code snippet using org.assertj.core.internal.iterables.SinglyIterableFactory.iterator

Source:SinglyIterableFactory.java

...18    // can't use Iterable<> for anonymous class in java 819    return new Iterable<String>() {20      private boolean isIteratorCreated = false;21      @Override22      public Iterator<String> iterator() {23        if (isIteratorCreated) throw new IllegalArgumentException("Cannot create two iterators on a singly-iterable sequence");24        isIteratorCreated = true;25        return new Iterator<String>() {26          private final Iterator<String> listIterator = values.iterator();27          @Override28          public boolean hasNext() {29            return listIterator.hasNext();30          }31          @Override32          public String next() {33            return listIterator.next();34          }35        };36      }37    };38  }39}...

iterator

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.assertThatThrownBy;3import java.util.ArrayList;4import java.util.Arrays;5import java.util.Iterator;6import java.util.List;7import org.junit.Test;8public class SinglyIterableFactoryTest {9	public void iterator_should_return_iterator_for_given_iterable() {10		List<String> list = new ArrayList<>(Arrays.asList("a", "b", "c"));11		Iterator<String> iterator = SinglyIterableFactory.iterator(list);12		assertThat(iterator).isNotNull();13		assertThat(iterator.hasNext()).isTrue();14		assertThat(iterator.next()).isEqualTo("a");15		assertThat(iterator.hasNext()).isTrue();16		assertThat(iterator.next()).isEqualTo("b");17		assertThat(iterator.hasNext()).isTrue();18		assertThat(iterator.next()).isEqualTo("c");19		assertThat(iterator.hasNext()).isFalse();20	}21	public void iterator_should_throw_exception_if_iterable_is_null() {22		assertThatThrownBy(() -> SinglyIterableFactory.iterator(null)).isInstanceOf(NullPointerException.class)23				.hasMessage("The iterable to iterate over should not be null");24	}25}26	at org.assertj.core.api.AssertionsForClassTypes.assertThatThrownBy(AssertionsForClassTypes.java:1063)27	at org.assertj.core.api.Assertions.assertThatThrownBy(Assertions.java:1065)28	at com.baeldung.assertj.SinglyIterableFactoryTest.iterator_should_throw_exception_if_iterable_is_null(SinglyIterableFactoryTest.java:34)

iterator

Using AI Code Generation

1public class SinglyIterableFactory implements IterableFactory {2  public <E> Iterable<E> iterable(E... elements) {3    if (elements.length == 0) return emptyIterable();4    return new SinglyIterable(elements);5  }6  private static class SinglyIterable<E> implements Iterable<E> {7    private final E[] elements;8    private SinglyIterable(E[] elements) {9      this.elements = elements;10    }11    public Iterator<E> iterator() {12      return new Iterator<E>() {13        private int index = 0;14        public boolean hasNext() {15          return index < elements.length;16        }17        public E next() {18          return elements[index++];19        }20        public void remove() {21          throw new UnsupportedOperationException();22        }23      };24    }25  }26}27public class SinglyIterableFactory implements IterableFactory {28  public <E> Iterable<E> iterable(E... elements) {29    if (elements.length == 0) return emptyIterable();30    return new SinglyIterable(elements);31  }32  private static class SinglyIterable<E> implements Iterable<E> {33    private final E[] elements;34    private SinglyIterable(E[] elements) {35      this.elements = elements;36    }37    public Iterator<E> iterator() {38      return new Iterator<E>() {39        private int index = 0;40        public boolean hasNext() {41          return index < elements.length;42        }43        public E next() {44          return elements[index++];45        }46        public void remove() {47          throw new UnsupportedOperationException();48        }49      };50    }51  }52}53public class SinglyIterableFactory implements IterableFactory {54  public <E> Iterable<E> iterable(E... elements) {55    if (elements.length == 0) return emptyIterable();56    return new SinglyIterable(elements);57  }58  private static class SinglyIterable<E> implements Iterable<E> {59    private final E[] elements;60    private SinglyIterable(E[] elements) {61      this.elements = elements;62    }63    public Iterator<E> iterator() {64      return new Iterator<E>() {65        private int index = 0;66        public boolean hasNext() {67          return index < elements.length;68        }69        public E next() {70          return elements[index++];71        }72        public void remove() {

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