* .
     */
    @Test
    public void testIsNotEmptyCollectionOfQ() {
        final Collection<String> c = new ArrayList<String>();
        c.add("hoge");
        assertThat(CollectionsUtil.isNotEmpty(c), is(true));
    }

    /**
     * Test method for
     * {@link org.codelibs.core.collection.CollectionsUtil#isEmpty(java.util.Map)}
     * .
     */
    @Test
    public void testIsEmptyMapOfQQ() {

public class BooleanFunctionTest extends UnitFessTestCase {

    public void test_apply_string() {
        BooleanFunction<String> isNotEmpty = s -> s != null && !s.isEmpty();

        assertTrue(isNotEmpty.apply("test"));
        assertTrue(isNotEmpty.apply("a"));
        assertFalse(isNotEmpty.apply(""));
        assertFalse(isNotEmpty.apply(null));
    }

    public void test_apply_integer() {

     * @param badWord The bad word to store.
     */
    public void store(final BadWord badWord) {

        badWordBhv.insertOrUpdate(badWord, op -> op.setRefreshPolicy(Constants.TRUE));

    }

    /**
     * Deletes a bad word.
     * @param badWord The bad word to delete.
     */
    public void delete(final BadWord badWord) {

    class EqualityContract {

        @Test
        void equalsIgnoresCaseForName() {
            ASN1ObjectIdentifier oid = testOid();
            MIEName a = new MIEName(oid, "Alice");
            MIEName b = new MIEName(oid, "alice");
            assertEquals(a, b);
            assertEquals(a.hashCode(), b.hashCode());
        }

        @Test
        void equalsHandlesNullNames() {

  @SuppressWarnings("deprecation")
  @Override
  public void tearDown() throws Exception {
    stop();
    join();

    if (uncaughtThrowable != null) {
      throw new AssertionError("Uncaught throwable in " + getName(), uncaughtThrowable);
    }
  }

  /**
   * Causes this thread to call the named void method, and asserts that the call returns normally.
   */

    void mock_noInteractions() {
        // Arrange/Act: do nothing
        // Assert: verify no interactions
        verifyNoInteractions(mockEntry);
    }

    // --- Fake implementation tests (happy path and edge cases) ---

    @Test
    @DisplayName("Fake implementation returns provided values (happy path)")
    void fakeImplementation_happyPath() {
        // Arrange

    private Configuration config;

    @Mock
    private Address address;

    @Mock
    private Smb2NegotiateResponse negotiateResponse;

    private SmbTransportImpl transport;

    @BeforeEach
    void setUp() throws Exception {
        when(context.getConfig()).thenReturn(config);
        when(config.isSigningEnforced()).thenReturn(false);
        when(config.getSessionTimeout()).thenReturn(30_000);

  public void testFreesNextReference() {
    Iterator<Object> itr =
        new AbstractIterator<Object>() {
          @Override
          public Object computeNext() {
            return new Object();
          }
        };
    WeakReference<Object> ref = new WeakReference<>(itr.next());
    GcFinalization.awaitClear(ref);
  }

  public void testDefaultBehaviorOfPeekForEmptyIteration() {

    return suite;
  }

  public void testInsertionOrder() {
    Map<Integer, String> map = CompactLinkedHashMap.create();
    map.put(1, "a");
    map.put(4, "b");
    map.put(3, "d");
    map.put(2, "c");
    testHasMapEntriesInOrder(map, 1, "a", 4, "b", 3, "d", 2, "c");
  }

  public void testInsertionOrderAfterPutKeyTwice() {

     * Happy-path: a filter that accepts any name.
     */
    @ParameterizedTest
    @DisplayName("accepts any non-null/any string")
    @ValueSource(strings = { "file.txt", "data.DAT", "a", "x.y.z", "  spaced  " })
    void acceptsAnyNameReturnsTrue(String input) throws Exception {
        SmbFilenameFilter filter = (dir, name) -> true;

        boolean result = filter.accept(mockDir, input);