return mockResource1;
            }
        };

        // When/Then
        assertFalse(iterator.hasNext(), "Should not have next when advance returns null");
        // The iterator returns null when no elements, doesn't throw exception
        assertNull(iterator.next(), "Should return null when no next element");
    }

    /**
     * Test multiple iterations with mixed filtering results.

  }

  /**
   * Marks the given node as 'deleted' (null waiter) and then scans the list to unlink all deleted
   * nodes. This is an O(n) operation in the common case (and O(n^2) in the worst), but we are saved
   * by two things.
   *
   * <ul>
   *   <li>This is only called when a waiting thread times out or is interrupted. Both of which
   *       should be rare.
   *   <li>The waiters list should be very short.
   * </ul>

        // When & Then - should handle gracefully
        assertThrows(Exception.class, () -> {
            response.readBytesWireFormat(buffer, offset);
        });
    }

    @Test
    @DisplayName("Should verify NotifyResponse interface implementation")
    void testNotifyResponseInterface() {
        // Then
        assertTrue(response instanceof NotifyResponse);

            // Given
            SmbResource resource = createMockResource();
            when(resource.exists()).thenReturn(true);
            when(resource.isFile()).thenReturn(true);
            when(resource.canWrite()).thenReturn(true);

            // When/Then
            assertTrue(resource.exists(), "Resource should exist");
            assertTrue(resource.isFile(), "Should be a file");

Now, if you generate the client again, you will see that it has the improved method names:

<img src="/img/tutorial/generate-clients/image07.png">

As you see, the method names now have the tag and then the function name, now they don't include information from the URL path and the HTTP operation.

### Preprocess the OpenAPI Specification for the Client Generator { #preprocess-the-openapi-specification-for-the-client-generator }

 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

        void testConstructorWithNullContext() {
            // When
            Handler testHandler = new Handler(null);

            // Then
            assertNotNull(testHandler);
        }

        @Test
        @DisplayName("Should extend jcifs.http.Handler")
        void testInheritance() {
            // Then
            assertTrue(handler instanceof jcifs.http.Handler);

    void testCreateResponse() {
        // When
        Smb2ChangeNotifyResponse response = request.createResponse(mockContext, request);

        // Then
        assertNotNull(response);
        assertTrue(response instanceof Smb2ChangeNotifyResponse);
    }

    @Test
    @DisplayName("Should calculate correct size")
    void testSize() {
        // When
        int size = request.size();

        // Given
        byte[] largeSessionKey = new byte[256]; // Larger than typical 16-byte key
        new SecureRandom().nextBytes(largeSessionKey);
        int dialect = Smb2Constants.SMB2_DIALECT_0311;

        // When
        byte[] signingKey = Smb3KeyDerivation.deriveSigningKey(dialect, largeSessionKey, preauthIntegrity);

        // Then
        assertNotNull(signingKey, "Should handle large session key");

            int negativeValue = -1;
            NdrShort ndrShort = new NdrShort(0);
            when(mockBuffer.dec_ndr_short()).thenReturn(negativeValue);

            // When: Decoding the value
            ndrShort.decode(mockBuffer);

            // Then: Should set the negative value directly (no masking on decode)
            verify(mockBuffer).dec_ndr_short();