public void testOf_nullPointerException() {
    assertThrows(NullPointerException.class, () -> EquivalenceTester.of(null));
  }

  public void testTest_noData() {
    tester.test();
  }

  public void testTest() {
    Object group1Item1 = new TestObject(1, 1);
    Object group1Item2 = new TestObject(1, 2);
    Object group2Item1 = new TestObject(2, 1);
    Object group2Item2 = new TestObject(2, 2);

  public void testOf_nullPointerException() {
    assertThrows(NullPointerException.class, () -> EquivalenceTester.of(null));
  }

  public void testTest_noData() {
    tester.test();
  }

  public void testTest() {
    Object group1Item1 = new TestObject(1, 1);
    Object group1Item2 = new TestObject(1, 2);
    Object group2Item1 = new TestObject(2, 1);
    Object group2Item2 = new TestObject(2, 2);

        List<DuplicateHost> testList = new ArrayList<>();

        DuplicateHost testHost = new DuplicateHost();
        testHost.setRegularName("www.test.com");
        testHost.setDuplicateHostName("test.com");
        testList.add(testHost);

        helper.setDuplicateHostList(testList);

        assertEquals(testList, helper.duplicateHostList);

import org.jspecify.annotations.NullMarked;

/**
 * Tests for {@code Count}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public class CountTest extends TestCase {
  public void testGet() {
    assertEquals(20, new Count(20).get());
  }

  public void testGetAndAdd() {
    Count holder = new Count(20);
    assertEquals(20, holder.get());
    holder.add(1);
    assertEquals(21, holder.get());

import org.jspecify.annotations.NullMarked;

/**
 * Tests for {@code Count}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@NullMarked
public class CountTest extends TestCase {
  public void testGet() {
    assertEquals(20, new Count(20).get());
  }

  public void testGetAndAdd() {
    Count holder = new Count(20);
    assertEquals(20, holder.get());
    holder.add(1);
    assertEquals(21, holder.get());

    /** */
    public static final int INT_DATA = 987654321;

    /** */
    public static final String STRING_DATA = "Hello World!";

    /**
     * @throws Exception
     */
    @Test
    public void testGet() throws Exception {
        final Field field = getClass().getField("objectField");
        final Integer testData = Integer.valueOf(123);
        FieldUtil.set(field, this, testData);

        assertThat(GenericsUtil.getGenericParameter(t2, 0), is(sameClass(String.class)));
    }

    /**
     * @throws Exception
     */
    public void testList() throws Exception {
        final Method m1 = ListType.class.getMethod("listOfString");
        final Type t1 = m1.getGenericReturnType();
        assertThat(GenericsUtil.isTypeOf(t1, List.class), is(true));

        } catch (final ClIndexOutOfBoundsException ex) {
            System.out.println(ex);
        }
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGet() throws Exception {
        list.addLast("1");
        list.addLast("2");
        list.addLast("3");
        assertThat(list.get(0), is("1"));
        assertThat(list.get(1), is("2"));

  }

  public void testImmutableTable() {
    assertFreshInstance(new TypeToken<ImmutableTable<String, Integer, ImmutableList<String>>>() {});
  }

  public void testList() {
    assertFreshInstance(new TypeToken<List<String>>() {});
    assertNotInstantiable(new TypeToken<List<EmptyEnum>>() {});
  }

  public void testArrayList() {

        assertThat(emptyIterator.hasNext(), is(false));
    }

    /**
     * Test method for {@link org.codelibs.core.collection.EmptyIterator#next()}.
     */
    @Test
    public void testNext() {
        exception.expect(ClUnsupportedOperationException.class);
        exception.expectMessage(is("next"));
        final EmptyIterator<String> emptyIterator = new EmptyIterator<String>();
        emptyIterator.next();