import org.junit.jupiter.api.Test;

/**
 * Comprehensive test suite for EmptyIterator class.
 * Tests the implementation of CloseableIterator for empty collections.
 */
@DisplayName("EmptyIterator Tests")
class EmptyIteratorTest extends BaseTest {

    private EmptyIterator emptyIterator;

    @BeforeEach
    void setUp() {
        emptyIterator = new EmptyIterator();
    }

    @Test

        assertFalse(iterator.hasNext());
        assertNull(iterator.next());

        verify(resource, never()).close();
    }

    @Test
    @DisplayName("Empty iterator")
    void emptyIterator() {
        when(delegate.hasNext()).thenReturn(false);

        TestIterator iterator = new TestIterator(null);

        assertFalse(iterator.hasNext());
        assertNull(iterator.next());
    }