*/
    @Test
    public void testAdd_int() throws Exception {
        final int[] array = new int[] { 1 };
        final int[] newArray = ArrayUtil.add(array, 2);
        assertThat(newArray.length, is(2));
        assertThat(newArray[0], is(1));
        assertThat(newArray[1], is(2));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testIndexOf() throws Exception {

public class LlmMessageTest extends UnitFessTestCase {

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        super.tearDown(testInfo);
    }

    @Test
    public void test_defaultConstructor() {
        final LlmMessage message = new LlmMessage();

        public void columnId() {
            doColumn("_id");
        }

        public void columnCreatedBy() {
            doColumn("createdBy");
        }

        public void columnCreatedTime() {
            doColumn("createdTime");
        }

        public void columnSuggestWord() {
            doColumn("suggestWord");
        }

        public void columnTargetLabel() {

        public void close() throws IOException {
            super.close();
            notify_ = "closed";
        }

        public String getNotify() {
            return notify_;
        }
    }

    private static class IOExceptionOccurOutputStream extends OutputStream {

        @Override
        public void write(final int arg0) throws IOException {
        }

        @Override

public class MultisetAddTester<E> extends AbstractMultisetTester<E> {
  @CollectionFeature.Require(absent = SUPPORTS_ADD)
  public void testAddUnsupported() {
    assertThrows(UnsupportedOperationException.class, () -> getMultiset().add(e0()));
  }

  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testAddMeansAddOne() {
    int originalCount = getMultiset().count(e0());
    assertTrue(getMultiset().add(e0()));

  public void testValid() {
    for (String name : VALID_NAME) {
      InternetDomainName unused = InternetDomainName.from(name);
    }
  }

  public void testInvalid() {
    for (String name : INVALID_NAME) {
      assertThrows(IllegalArgumentException.class, () -> InternetDomainName.from(name));
    }
  }

  public void testPublicSuffix() {
    for (String name : PS) {

import org.opensearch.core.xcontent.ToXContent;
import org.opensearch.core.xcontent.XContentBuilder;

public class SearchEngineUtilTest extends UnitFessTestCase {

    @Test
    public void test_getXContentBuilderOutputStream_success() {
        XContentBuilderCallback callback = (builder, params) -> {
            builder.startObject();
            builder.field("test", "value");
            builder.endObject();

    @Test
    @DisplayName("Should test interface with anonymous implementation")
    void testAnonymousImplementation() {
        // Given
        byte[] capturedFileId = new byte[1];
        RequestWithFileId anonymousImpl = new RequestWithFileId() {
            private byte[] fileId;

            @Override
            public void setFileId(byte[] fileId) {
                this.fileId = fileId;

    private CommonServerMessageBlock message;

    private byte[] testData;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        testData = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
    }

    @Test
    @DisplayName("Test sign method with valid parameters")
    void testSignWithValidParameters() {
        // Arrange
        int offset = 0;

    @BeforeEach
    public void setUp() throws CIFSException {
        MockitoAnnotations.openMocks(this);
        config = new PropertyConfiguration(new Properties());
    }

    /**
     * Test constructor initialization with valid parameters
     */
    @Test
    @DisplayName("Test constructor initializes fields correctly")
    public void testConstructor() throws Exception {
        // Given