NullPointerException.class,
        () -> Maps.toMap((Iterable<String>) strings, Functions.constant("foo")));
  }

  public void testToMapWithNullValues() {
    Iterable<String> strings = ImmutableList.of("one", "two", "three");
    assertThrows(NullPointerException.class, () -> Maps.toMap(strings, Functions.constant(null)));
  }

  private static final ImmutableBiMap<Integer, String> INT_TO_STRING_MAP =

  UPPER_CAMEL(CharMatcher.inRange('A', 'Z'), "") {
    @Override
    String normalizeWord(String word) {
      return firstCharOnlyToUpper(word);
    }
  },

  /** Java and C++ constant naming convention, e.g., "UPPER_UNDERSCORE". */
  UPPER_UNDERSCORE(CharMatcher.is('_'), "_") {
    @Override
    String normalizeWord(String word) {
      return Ascii.toUpperCase(word);
    }

    @Override

    private static final Logger logger = LogManager.getLogger(InputStreamThread.class);

    /** Buffered reader for reading from the input stream */
    private final BufferedReader br;

    /** Maximum buffer size constant */
    public static final int MAX_BUFFER_SIZE = 1000;

    /** List storing recent lines from the input stream */
    private final List<String> list = new LinkedList<>();

                values, "values() order should match declaration order");
    }

    // Happy path: valueOf resolves each constant name; toString equals name; ordinal is stable
    @ParameterizedTest
    @ValueSource(strings = { "NONE", "NO_TIMEOUT", "NO_RETRY", "RETAIN_PAYLOAD" })

        client.admin().indices().prepareDelete(suggester.getIndex() + "*").execute().actionGet();
        suggester.shutdown();
    }

    /**
     * Test EXPECTED_INDEX_COUNT constant value.
     * Verifies that the constant is properly defined with expected value.
     */
    @Test
    public void testExpectedIndexCountConstant() throws Exception {

        @Test
        @DisplayName("Should have correct constant values for PreauthIntegrityNegotiateContext")
        void testPreauthConstants() {
            assertEquals(0x1, PreauthIntegrityNegotiateContext.NEGO_CTX_PREAUTH_TYPE);
            assertEquals(0x1, PreauthIntegrityNegotiateContext.HASH_ALGO_SHA512);
        }

        @Test
        @DisplayName("Should have correct constant values for EncryptionNegotiateContext")

    public GoAction() {
        super();
    }

    // ===================================================================================
    //                                                                            Constant
    //
    /** Logger for this class. */
    private static final Logger logger = LogManager.getLogger(GoAction.class);

    /** Helper for URL path mapping and transformation. */
    @Resource

      return bytes;
    }

    @Override
    boolean equalsSameBits(HashCode that) {
      // We don't use MessageDigest.isEqual() here because its contract does not guarantee
      // constant-time evaluation (no short-circuiting).
      if (this.bytes.length != that.getBytesInternal().length) {
        return false;
      }

      boolean areEqual = true;

        verify(tree).send(eq(request), isNull());
    }

    @ParameterizedTest(name = "send with single param: {0}")
    @EnumSource(RequestParam.class)
    @DisplayName("send handles each RequestParam enum constant")
    void send_eachRequestParam_isAccepted(RequestParam param) throws Exception {
        // Arrange: stub per-call return to ensure interaction with the exact enum

    }

    @Test
    @DisplayName("Constants: values match Windows error codes")
    void constants_have_expected_values() {
        // Ensure each public constant has its documented numeric value (happy path)
        assertAll(() -> assertEquals(0, WinError.ERROR_SUCCESS), () -> assertEquals(5, WinError.ERROR_ACCESS_DENIED),