assertEquals(NbtException.ERR_SSN_SRVC, e.errorClass);
        assertEquals(NbtException.CONNECTION_REFUSED, e.errorCode);
        assertEquals(e.getMessage(), NbtException.getErrorString(NbtException.ERR_SSN_SRVC, NbtException.CONNECTION_REFUSED));
    }

    @Test
    @DisplayName("toString includes class, code and error string")
    void testToString() {

        assertEquals(
                RootLocator.UNABLE_TO_FIND_ROOT_PROJECT_MESSAGE,
                assertThrows(IllegalStateException.class, session::getRootDirectory)
                        .getMessage());
    }

    @Test
    void testRootDirectory() {
        RepositorySystemSession rss = new DefaultRepositorySystemSession(h -> false);
        DefaultMavenExecutionRequest mer = new DefaultMavenExecutionRequest();

        try {
            nullContainerFactory.create();
            fail("Should throw IllegalStateException for null container");
        } catch (IllegalStateException e) {
            assertTrue(e.getMessage().contains("crawlerContainer"));
        } catch (Exception e) {
            fail("Expected IllegalStateException but got: " + e.getClass().getName());
        }
    }

    /**

        NullPointerException e = assertThrows(
                NullPointerException.class, () -> new UrlSource(null), "Should fail, since you must specify a url");
        assertEquals("url cannot be null", e.getMessage());
    }

    @Test
    void testGetInputStream() throws Exception {
        URL txtFile = new File("target/test-classes/source.txt").toURI().toURL();
        UrlSource source = new UrlSource(txtFile);

            SessionServicePacket.readPacketType(bais, buffer, 0);
        });

        assertEquals("unexpected EOF reading netbios session header", exception.getMessage());
    }

    @Test
    @DisplayName("readPacketType should throw IOException on incomplete header")
    void testReadPacketTypeIncompleteHeader() {

        try {
            new ContentCache((byte[]) null);
            fail("Expected IllegalArgumentException");
        } catch (IllegalArgumentException e) {
            assertTrue(e.getMessage().contains("data must not be null"));
        }
    }

    @Test
    public void testMemoryBasedCacheDefensiveCopy() throws IOException {
        byte[] data = "Hello, World!".getBytes();

            if (logger.isDebugEnabled()) {
                logger.debug(e.getMessage(), e);
            }
            throwValidationErrorApi(e.getMessageCode());
        } catch (final ResultOffsetExceededException e) {
            if (logger.isDebugEnabled()) {
                logger.debug(e.getMessage(), e);
            }

     *
     * @param statusCode The HTTP status code
     * @param e The exception that caused this WebApiException
     */
    public WebApiException(final int statusCode, final Exception e) {
        this(statusCode, e.getMessage(), e);
    }

                NullPointerException.class,
                () -> new FileSource((File) null),
                "Should fail, since you must specify a file");
        assertEquals("file cannot be null", e.getMessage());
    }

    @Test
    void testGetInputStream() throws Exception {
        File txtFile = new File("target/test-classes/source.txt");
        FileSource source = new FileSource(txtFile);

                    return getToolchainV3(v4Toolchain);
                } catch (ToolchainFactoryException e) {
                    throw new MisconfiguredToolchainException(e.getMessage(), e);
                }
            }

            @Override
            public ToolchainPrivate createDefaultToolchain() {
                try {
                    return v4Factory