* Double#NEGATIVE_INFINITY}. If it contains {@link Double#POSITIVE_INFINITY} and finite values
   * only then the result is the lowest finite value. If it contains {@link
   * Double#POSITIVE_INFINITY} only then the result is {@link Double#POSITIVE_INFINITY}.
   *
   * @throws IllegalStateException if the dataset is empty
   */
  public double min() {

            buffer.putLong(2000L); // Caller available (quota limited)
            buffer.putLong(5000L); // Actual free (more than caller can use)
            buffer.putInt(8);
            buffer.putInt(512);

            // When
            fileFsFullSizeInfo.decode(buffer.array(), 0, 32);

            // Then
            assertEquals(10000L * 8 * 512, fileFsFullSizeInfo.getCapacity());

        // When
        response.readBytesWireFormat(buffer, 0);

        // Then
        assertEquals(allCapabilities, response.getCapabilities());
    }

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

**FastAPI** will **extract** the data for **each field** from the **form data** in the request and give you the Pydantic model you defined.

## Check the Docs { #check-the-docs }

You can verify it in the docs UI at `/docs`:

<div class="screenshot">
<img src="/img/tutorial/request-form-models/image01.png">
</div>

## Forbid Extra Form Fields { #forbid-extra-form-fields }

        when(mockConfig.getNetbiosHostname()).thenReturn("TESTHOST");
        when(mockConfig.getNetbiosScope()).thenReturn(null);
        when(mockConfig.getNetbiosCachePolicy()).thenReturn(30); // Short cache
        when(mockConfig.getWinsServers()).thenReturn(new InetAddress[0]);
        when(mockConfig.getOemEncoding()).thenReturn("Cp850");

        // Create the name service client with mock context

	if ! run_test_erasure; then
		echo "FAILED"
		purge "$WORK_DIR"
		exit 1
	fi

	echo "Testing in Distributed Erasure setup"
	if ! run_test_dist_erasure; then
		echo "FAILED"
		purge "$WORK_DIR"
		exit 1
	fi

	echo "Testing in Erasure setup as sets"
	if ! run_test_erasure_sets; then
		echo "FAILED"
		purge "$WORK_DIR"
		exit 1
	fi

        when(request.getNext()).thenReturn(nextRequest);
        when(nextRequest.getNext()).thenReturn(thirdRequest);
        when(thirdRequest.getNext()).thenReturn(null);
        when(request.allowChain(nextRequest)).thenReturn(true);
        when(nextRequest.allowChain(thirdRequest)).thenReturn(true);

        // When
        CommonServerMessageBlockRequest second = request.getNext();

```

This will validate the data, show a clear error when the data is not valid, and document the parameter in the OpenAPI schema *path operation*.

### `Query` as the default value or in `Annotated` { #query-as-the-default-value-or-in-annotated }

Keep in mind that when using `Query` inside of `Annotated` you cannot use the `default` parameter for `Query`.

        // Given
        when(mockTreeHandle.isSMB2()).thenReturn(true);
        when(mockTreeHandle.getSendBufferSize()).thenReturn(65536);
        when(mockFileHandle.isValid()).thenReturn(false, true);
        when(mockFileHandle.getFileId()).thenReturn(new byte[16]);
        when(mockFileHandle.acquire()).thenReturn(mockFileHandle);

    public void testConstructorWithNullConfig() {
        // When & Then - should throw NullPointerException since ServerMessageBlock calls config.getPid()
        NullPointerException exception = assertThrows(NullPointerException.class, () -> {
            smbComTreeDisconnect = new SmbComTreeDisconnect(null);
        });

        // Verify the exception message indicates the config is null