// Assert
        assertNotNull(transWaitNamedPipe);
        assertNull(transWaitNamedPipe.name);
    }

    @Test
    @DisplayName("Constructor with empty pipe name should handle gracefully")
    void testConstructorWithEmptyPipeName() {
        // Act
        transWaitNamedPipe = new TransWaitNamedPipe(mockConfig, "");

        // Assert
        assertNotNull(transWaitNamedPipe);

    void release_invokedOnce() throws Exception {
        // Arrange: no setup needed; we verify interaction only

        // Act: call release
        handle.release();

        // Assert: verify one invocation and no more
        verify(handle, times(1)).release();
        verifyNoMoreInteractions(handle);
    }

    @Test
    @DisplayName("ensureDFSResolved(): no exception when underlying call succeeds")

    // Escapers operate on characters: no characters, no escaping.
    Assert.assertEquals("", escaper.escape(""));
    // Assert that escapers throw null pointer exceptions.
    try {
      escaper.escape((String) null);
      Assert.fail("exception not thrown when escaping a null string");
    } catch (NullPointerException e) {
      // pass
    }
  }

  /**
   * Asserts that an escaper escapes the given character into the expected string.

    // Escapers operate on characters: no characters, no escaping.
    Assert.assertEquals("", escaper.escape(""));
    // Assert that escapers throw null pointer exceptions.
    try {
      escaper.escape((String) null);
      Assert.fail("exception not thrown when escaping a null string");
    } catch (NullPointerException e) {
      // pass
    }
  }

  /**
   * Asserts that an escaper escapes the given character into the expected string.

    void toString_rendersHex(byte[] input, String expected) {
        // Arrange
        SecurityBlob blob = new SecurityBlob(input);

        // Act
        String actual = blob.toString();

        // Assert
        assertEquals(expected, actual, "Hex string should match expected format");
    }

    // Ensures a default-constructed blob starts empty and stable across APIs
    @Test

    @DisplayName("Edge: null is not an instance of the interface")
    void testNullIsNotInstance() {
        // Assert
        assertFalse(SessionSetupHandler.class.isInstance(null));
    }

    @Test
    @DisplayName("Invalid: looking up constructor on interface fails")
    void testNoConstructorLookup() {
        // Act & Assert: interfaces have no constructors

    // Verify that the listener executed in a reasonable amount of time.
    Assert.assertTrue(countDownLatch.await(1L, SECONDS));

    try {
      future.get();
      Assert.fail("This call was supposed to throw an ExecutionException");
    } catch (ExecutionException expected) {
      Assert.assertSame(expectedCause, expected.getCause());
    }
  }

  public void assertTimeout() throws Exception {

    void defaultConstructor_hasNullMessageAndCause_andDefaultStatus() {
        // Arrange & Act
        SMBSignatureValidationException ex = new SMBSignatureValidationException();

        // Assert
        assertNull(ex.getMessage(), "Default ctor should not set a message");
        assertNull(ex.getCause(), "Default ctor should not set a cause");

        // Arrange
        StaticJAASConfiguration cfg = new StaticJAASConfiguration();

        // Act
        AppConfigurationEntry[] entries = cfg.getAppConfigurationEntry("ignored");

        // Assert
        assertNotNull(entries, "Entries array should not be null");
        assertEquals(1, entries.length, "Exactly one entry is expected");
        AppConfigurationEntry e = entries[0];

    // Verify that the listener executed in a reasonable amount of time.
    Assert.assertTrue(countDownLatch.await(1L, SECONDS));

    try {
      future.get();
      Assert.fail("This call was supposed to throw an ExecutionException");
    } catch (ExecutionException expected) {
      Assert.assertSame(expectedCause, expected.getCause());
    }
  }

  public void assertTimeout() throws Exception {