}

    public static final int OK = 0; // OK
    public static final int ERROR = 1; // "generic" error

    @Override
    protected int execute(LookupContext context) throws Exception {
        // set up JLine built-in commands
        ConfigurationPath configPath = new ConfigurationPath(context.cwd.get(), context.cwd.get());
        Builtins builtins = new Builtins(context.cwd, configPath, null);

            DfsReferralDataInternal result = mockReferralData.combine(null);
            assertNotNull(result);

            // Test with concrete implementation - combine with null throws NPE
            assertThrows(NullPointerException.class, () -> concreteImplementation.combine(null));
        }

        @Test
        @DisplayName("Should handle null in append")
        void testAppendWithNull() {

        advance(i - this.index);
    }

    /**
     * Decodes a string from NDR format.
     *
     * @return the decoded string
     * @throws NdrException if decoding fails
     */
    public String dec_ndr_string() throws NdrException {
        align(4);
        int i = this.index;
        String val = null;
        int len = Encdec.dec_uint32le(this.buf, i);
        i += 12;

    /**
     * @throws Exception
     */
    @Test
    public void testIndexOf_character() throws Exception {
        final char[] array = new char[] { 'a', 'b', 'c' };
        assertThat(ArrayUtil.indexOf(array, 'a'), is(0));
        assertThat(ArrayUtil.indexOf(array, 'd'), is(-1));
    }

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

import org.junit.Test;

public class HankakuKanaToZenkakuKanaTest {

    @Test
    public void test_constructor() throws Exception {
        HankakuKanaToZenkakuKana normalizer = new HankakuKanaToZenkakuKana();
        assertNotNull(normalizer);
    }

    @Test
    public void test_basicKatakana() throws Exception {
        HankakuKanaToZenkakuKana normalizer = new HankakuKanaToZenkakuKana();

    // Test execute method with non-BooleanQuery (should throw exception)
    @Test
    public void test_execute_withNonBooleanQuery() {
        TermQuery termQuery = new TermQuery(new Term("field", "value"));
        QueryContext context = new QueryContext("test", false);

        try {
            booleanQueryCommand.execute(context, termQuery, 1.0f);
            fail("Should throw InvalidQueryException");

     * @throws SmbException if an SMB-specific error occurs
     * @throws CIFSException if a general CIFS error occurs
     */
    void ensureDFSResolved() throws CIFSException;

    /**
     * Checks if the server has the specified capability
     * @param cap the capability flag to check
     * @return whether the capability is present
     * @throws CIFSException if an error occurs checking capabilities

   *
   * @param array a <i>nonempty</i> array of {@code float} values
   * @return the value present in {@code array} that is less than or equal to every other value in
   *     the array
   * @throws IllegalArgumentException if {@code array} is empty
   */
  @GwtIncompatible(
      "Available in GWT! Annotation is to avoid conflict with GWT specialization of base class.")
  public static float min(float... array) {

    Settings buildSettings(MavenExecutionRequest request) throws IOException, XmlPullParserException;

    /**
     * @return a <code>Settings</code> object from the user settings file.
     * @throws IOException if any
     * @throws XmlPullParserException if any
     */
    Settings buildSettings() throws IOException, XmlPullParserException;

    /**

    @Test
    public void test_getFieldValues_nullDocument() throws Exception {
        Map<String, Object> document = new HashMap<>();
        String[] values = parser.getFieldValues(document, "nonexistent");

        assertEquals("Non-existent field should return empty array", 0, values.length);
    }

    @Test
    public void test_getFieldValues_emptyList() throws Exception {
        Map<String, Object> document = new HashMap<>();