// Register the SMB URL handler to avoid MalformedURLException
        String pkgs = System.getProperty("java.protocol.handler.pkgs");
        if (pkgs == null) {
            System.setProperty("java.protocol.handler.pkgs", "jcifs");
        } else if (!pkgs.contains("jcifs")) {
            System.setProperty("java.protocol.handler.pkgs", pkgs + "|jcifs");
        }
    }

    @BeforeEach
    void setUp() throws Exception {

        // Register the SMB protocol handler
        String pkgs = System.getProperty("java.protocol.handler.pkgs");
        if (pkgs == null) {
            System.setProperty("java.protocol.handler.pkgs", "jcifs.smb1");
        } else if (!pkgs.contains("jcifs.smb1")) {
            System.setProperty("java.protocol.handler.pkgs", pkgs + "|jcifs.smb1");
        }
    }

    @Test

        SingletonContext.getInstance();
        String pkgs = System.getProperty("java.protocol.handler.pkgs");
        if (pkgs == null) {
            System.setProperty("java.protocol.handler.pkgs", "jcifs");
        } else if (pkgs.indexOf("jcifs") == -1) {
            pkgs += "|jcifs";
            System.setProperty("java.protocol.handler.pkgs", pkgs);
        }
    }

    /**
     *
     */

        System.clearProperty("java.protocol.handler.pkgs");
        SingletonContext.registerSmbURLHandler();
        assertEquals("jcifs", System.getProperty("java.protocol.handler.pkgs"));
    }

    @Test
    void testRegisterSmbURLHandlerWhenPkgsDoesNotContainJcifs() {
        // Test registerSmbURLHandler when java.protocol.handler.pkgs does not contain "jcifs"

        } else if (pkgs.indexOf("jcifs.smb1") == -1) {
            pkgs += "|jcifs.smb1";
            System.setProperty("java.protocol.handler.pkgs", pkgs);
        }
    }

    // supress javadoc constructor summary by removing 'protected'
    Config() {
    }

    /**
     * Set the default properties of the static Properties used by <code>Config</code>. This permits

    private static final Map<String, URLStreamHandler> PROTOCOL_HANDLERS = new HashMap<>();

    private static final String HANDLER_PKGS_PROPERTY = "java.protocol.handler.pkgs";

    /**
     * Vendor-specific default packages. If no packages are specified in
     * "java.protocol.handler.pkgs", the VM uses one or more default
     * packages, which are vendor specific. Sun's is included below

        if (StringUtil.isEmpty(value)) {
            buf.append("org.codelibs.fess.net.protocol");
        } else if (!value.contains("org.codelibs.fess.net.protocol")) {
            buf.append("|org.codelibs.fess.net.protocol");
        }
        if (buf.length() > 0) {
            System.setProperty("java.protocol.handler.pkgs", buf.toString());
        }
    }

        // package when it is listed in the 'java.protocol.handler.pkgs' system property.
        // We use mock handlers since actual system handlers might not be available in test environment.
        System.setProperty("java.protocol.handler.pkgs", "jcifs");
        setupMockProtocolHandlers();
        URL url = new URL("http://example.com/resource");

    }

    private static final Map PROTOCOL_HANDLERS = new HashMap();

    private static final String HANDLER_PKGS_PROPERTY = "java.protocol.handler.pkgs";

    /**
     * Vendor-specific default packages.  If no packages are specified in
     * "java.protocol.handler.pkgs", the VM uses one or more default
     * packages, which are vendor specific.  Sun's is included below

			UserDefined: udMap(false),
		}
	}

	testSP := []struct {
		decSz int64
		oi    ObjectInfo
	}{
		{0, mkSPObj(0)},
		{1, mkSPObj(1)},
		{pkgSz - 1, mkSPObj(pkgSz - 1)},
		{pkgSz, mkSPObj(pkgSz)},
		{2*pkgSz - 1, mkSPObj(2*pkgSz - 1)},
		{minPartSz, mkSPObj(minPartSz)},
		{maxPartSz, mkSPObj(maxPartSz)},
	}

	for i, test := range testSP {
		{
			// nil range