}

  public void testRead_putSingleByte() throws Exception {
    HashingInputStream in = new HashingInputStream(hashFunction, buffer);

    int b = in.read();
    assertEquals('y', b);

    verify(hasher).putByte((byte) 'y');
    verify(hashFunction).newHasher();
    verifyNoMoreInteractions(hashFunction, hasher);
  }

  public void testRead_putByteArray() throws Exception {

    }

    @Test
    public void test_authenticatorInstantiation() {
        // Verify authenticator can be instantiated without errors
        SpnegoAuthenticator authenticator = new SpnegoAuthenticator();
        assertNotNull(authenticator);
    }

    @Test
    public void test_spnegoConfigClass() {
        // Verify the inner class is named correctly: SpnegoConfig (not SpengoConfig)

            // Then
            assertNotNull(retrievedTransport);
            assertFalse(hasActiveTransports);
            verify(transportPool).getSmbTransport(context, TEST_HOST, DEFAULT_PORT, false, false);
            verify(transportPool).removeTransport(transport);
            verify(transportPool).close();
        }

        @Test
        @DisplayName("Should handle authentication workflow")

        assertEquals("c", it.next().getName());
        assertFalse(it.hasNext());

        // Verify interactions
        verify(tree, times(1)).send(isA(Trans2FindFirst2.class), any(Trans2FindFirst2Response.class));
        // Verify that Trans2FindNext2 was sent twice for fetching more entries
        verify(tree, times(2)).send(isA(Trans2FindNext2.class), any(Trans2FindFirst2Response.class));

            // Verify input buffer offset (should be 0 when no input buffer)
            assertEquals(0, SMBUtil.readInt2(buffer, 72));

            // Verify input buffer length (should be 0 when no input buffer)
            assertEquals(0, SMBUtil.readInt4(buffer, 76));

            // Verify additional information
            assertEquals(0x12345678, SMBUtil.readInt4(buffer, 80));

            // Verify query flags

        // Verify that the wrap method was called exactly once
        verify(dcerpcSecurityProvider, times(1)).wrap(mockNdrBuffer);
    }

    @Test
    void testUnwrapMethodIsCalled() throws DcerpcException {
        // Test that the unwrap method can be called without throwing an exception
        dcerpcSecurityProvider.unwrap(mockNdrBuffer);

    out.write(b);

    verify(hashFunction).newHasher();
    verify(hasher).putByte((byte) b);
    verifyNoMoreInteractions(hashFunction, hasher);
  }

  public void testWrite_putByteArray() throws Exception {
    byte[] buf = new byte[] {'y', 'a', 'm', 's'};
    HashingOutputStream out = new HashingOutputStream(hashFunction, buffer);
    out.write(buf);

    verify(hashFunction).newHasher();

    void testGetRequestRaw() {
        // Verify getRequestRaw returns the exact same array instance
        byte[] requestBuffer = negotiation.getRequestRaw();
        assertSame(testRequestBuffer, requestBuffer);

        // Verify multiple calls return the same instance
        assertSame(requestBuffer, negotiation.getRequestRaw());

        // Verify content is correct

        when(fileHandle.getTree()).thenReturn(tree);

        // When handle is valid, expect close()
        target.ensureOpen();
        target.close();
        verify(fileHandle, times(1)).close();
        verify(fileHandle, never()).release();
        verify(tree, atLeastOnce()).release();

        // Re-prepare state for second branch: not open but handle set
        when(fileHandle.isValid()).thenReturn(false);

    class FilterFlagsTests {

        @Test
        @DisplayName("Verify FILE_NOTIFY_CHANGE_FILE_NAME constant value")
        void testFileNotifyChangeFileName() {
            assertEquals(0x00000001, FileNotifyInformation.FILE_NOTIFY_CHANGE_FILE_NAME);
        }

        @Test
        @DisplayName("Verify FILE_NOTIFY_CHANGE_DIR_NAME constant value")
        void testFileNotifyChangeDirName() {