private static final String SPNEGO_OID_STR = SpnegoConstants.SPNEGO_MECHANISM;

    // Helper to build a SPNEGO NegTokenInit as per NegTokenInit#toByteArray but parameterized for tests
    private static byte[] buildInitToken(ASN1ObjectIdentifier[] mechs, Integer flags, byte[] mechToken, byte[] mic, boolean micInTag4,

        // Check groups array
        final String[] groups = DocumentUtil.getValue(attributes, "groups", String[].class);
        assertArrayEquals(new String[] { "group1", "group2" }, groups);

        OpenIdConnectCredential credential = new OpenIdConnectCredential(attributes);
        assertEquals("******@****.***", credential.getUserId());
        assertArrayEquals(new String[] { "group1", "group2" }, credential.getUserGroups());
    }

  fun settingsLimitsMaxConcurrentStreams(protocol: Protocol) {
    setUp(protocol)
    val settings = Settings()
    settings[Settings.MAX_CONCURRENT_STREAMS] = 2

    // Read & write a full request to confirm settings are accepted.
    server.enqueue(
      MockResponse
        .Builder()
        .settings(settings)
        .build(),
    )
    val call = client.newCall(Request(server.url("/")))

  @JvmStatic
  fun headerEntries(vararg elements: String?): List<Header> = List(elements.size / 2) { Header(elements[it * 2]!!, elements[it * 2 + 1]!!) }

  @JvmStatic
  fun repeat(
    c: Char,
    count: Int,
  ): String {
    val array = CharArray(count)
    Arrays.fill(array, c)
    return String(array)
  }

  /**

    }

    @Test
    public void testToString() {
        // Test the toString method
        String pipeName = "\\\\pipe\\testPipe";
        TransWaitNamedPipe pipe = new TransWaitNamedPipe(pipeName);

        String result = pipe.toString();
        assertNotNull(result);
        assertTrue(result.contains("TransWaitNamedPipe"), "toString should contain class name");

                    return;
                }
            } else { /* Basic */
                final String auth = new String(Base64.decode(msg.substring(6)), "US-ASCII");
                int index = auth.indexOf(':');
                String user = index != -1 ? auth.substring(0, index) : auth;
                final String password = index != -1 ? auth.substring(index + 1) : "";
                index = user.indexOf('\\');

        assertEquals(new String(testPassword), auth.getPassword());
    }

    /**
     * Test null password handling
     */
    @Test
    public void testNullPasswordHandling() {
        // Test with null String password
        NtlmPasswordAuthenticator auth1 = new NtlmPasswordAuthenticator("testuser", (String) null);
        assertNull(auth1.getPassword());

  private final class Target {
    private final Collection<E> toRetain;
    private final String description;

    private Target(Collection<E> toRetain, String description) {
      this.toRetain = toRetain;
      this.description = description;
    }

    @Override
    public String toString() {
      return description;
    }
  }

  private Target empty;
  private Target disjoint;

        // Then
        assertEquals(0, bytesRead);
    }

    @Test
    @DisplayName("toString should return formatted string with details")
    void testToString() throws Exception {
        // Given
        String filename = "\\\\server\\share\\file.txt";
        trans2GetDfsReferral = new Trans2GetDfsReferral(mockConfig, filename);

        // Set path field (inherited from parent)

    webSocket: WebSocket,
    code: Int,
    reason: String,
  ) {
  }

  /**
   * Invoked when both peers have indicated that no more messages will be transmitted and the
   * connection has been successfully released. No further calls to this listener will be made.
   */
  open fun onClosed(
    webSocket: WebSocket,
    code: Int,
    reason: String,
  ) {
  }

  /**