writeTestFile("");

        OptionalEntity<CharMappingItem> result = charMappingFile.get(1L);
        assertFalse(result.isPresent());
    }

    // Test get method with valid data
    public void test_get_validData() throws Exception {
        writeTestFile("a,b => c\nd,e => f\n");

        OptionalEntity<CharMappingItem> result1 = charMappingFile.get(1L);

 * {@link #getRootCause()}, and {@link #toString()}.
 */
@ExtendWith(MockitoExtension.class)
class SmbExceptionTest {

    /**
     * Happy path – constructor with a valid NT status code (0).
     */
    @Test
    @DisplayName("Constructor 0 – NT_STATUS_SUCCESS")
    void testConstructorWithZeroCode() {
        SmbException ex = new SmbException(0, false);

    Random random = new Random();
    for (int i = 0; i < 100; i++) {
      byte[] bytes = new byte[64];
      random.nextBytes(bytes);
      String s = new String(bytes, UTF_16LE); // so all random strings are valid
      assertEquals(
          new Sink(4).putUnencodedChars(s).hash(),
          new Sink(4).putBytes(s.getBytes(UTF_16LE)).hash());
      assertEquals(

So, `0.5` would be a valid value. But `0.0` or `0` would not.

And the same for <abbr title="less than"><code>lt</code></abbr>.

{* ../../docs_src/path_params_numeric_validations/tutorial006_an_py39.py hl[13] *}

## Recap { #recap }

    private static final int KEY_TYPE_2 = 2;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
    }

    /**
     * Test constructor with a valid login context.
     *
     * @throws LoginException if login fails.
     */
    @Test
    void testConstructor_Success() throws LoginException {

                if (artifact.getVersion() == null) {
                    // set the recommended version
                    ArtifactVersion selected = artifact.getSelectedVersion();
                    // MNG-2123: null is a valid response to getSelectedVersion, don't
                    // assume it won't ever be.
                    if (selected != null) {
                        artifact.selectVersion(selected.toString());

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructor_withNullMessageAndValidCause() {
        // Test constructor with null message and valid cause
        Throwable cause = new IllegalArgumentException("Invalid argument");
        SearchEngineClientException exception = new SearchEngineClientException(null, cause);

        assertNotNull(exception);

                return new SmbTreeHandleImpl(loc, this);
            }

            return connectHost(loc, loc.getServerWithDfs());
        }

    }

    /**
     * @return whether we have a valid tree connection
     */
    @SuppressWarnings("resource")
    public synchronized boolean isConnected() {
        final SmbTreeImpl t = getTreeInternal();
        return t != null && t.isConnected();
    }

   * prohibitively expensive to test for automated runs. This method tests specific four-byte cases.
   */
  public void testIsWellFormed_4BytesSamples() {
    // Valid 4 byte.
    assertWellFormed(0xF0, 0xA4, 0xAD, 0xA2);
    // Bad trailing bytes
    assertNotWellFormed(0xF0, 0xA4, 0xAD, 0x7F);
    assertNotWellFormed(0xF0, 0xA4, 0xAD, 0xC0);
    // Special cases for byte2

        if (argValue == null || argValue.isEmpty()) {
            throw new EmptyArgumentException(argName, "ECL0013", asArray(argName));
        }
    }

    /**
     * Asserts that the index is valid.
     *
     * @param argName
     *            The name of the argument that must not be {@code null}.
     * @param argValue
     *            The value of the index.
     * @param arraySize