}

    @Test
    void testRegisterSmbURLHandlerWhenPkgsIsNull() {
        // Test registerSmbURLHandler when java.protocol.handler.pkgs is null
        System.clearProperty("java.protocol.handler.pkgs");
        SingletonContext.registerSmbURLHandler();
        assertEquals("jcifs", System.getProperty("java.protocol.handler.pkgs"));
    }

    @Test

     *     at jcifs.smb.SmbFile.<init>(SmbFile.java:355)
     *     ...
     * </pre>
     *
     * </blockquote>
     *
     */
    public static void registerSmbURLHandler() {
        SingletonContext.getInstance();
        String pkgs = System.getProperty("java.protocol.handler.pkgs");
        if (pkgs == null) {
            System.setProperty("java.protocol.handler.pkgs", "jcifs");

     *     at jcifs.smb.SmbFile.<init>(SmbFile.java:355)
     *     ...
     * </pre>
     * </blockquote>
     */
    public static void registerSmbURLHandler() {
        SingletonContext.registerSmbURLHandler();
    }

    /**
     * Retrieve an <code>int</code>. If the key does not exist or
     * cannot be converted to an <code>int</code>, the provided default