String result = Strings.maskSecretValue(input);

            // Then
            assertEquals(input, result, "Should not modify non-matching strings");
        }

        @Test
        @DisplayName("maskSecretValue should handle null input")
        void testMaskSecretValueWithNull() {
            // When
            String result = Strings.maskSecretValue(null);

            // Then

    private static final Charset ASCII_ENCODING = Charset.forName("US-ASCII");

    private static final boolean MASK_SECRET_VALUE = System.getProperty("jcifs.maskSecretValue", "true") == "true";
    private static final String SECRET_PATTERN = "^(smb.*:).*(@.*)$";
    private static final String SECRET_MASK_REPLACE = "$1******$2";

    /**
     *
     */
    private Strings() {

     * as <code>getPath</code>.
     *
     * @return  The original URL representation of this SMB resource
     */

    @Override
    public String toString() {
        return Strings.maskSecretValue(url.toString());
    }

    /* URLConnection implementation */
    /**
     * This URLConnection method just returns the result of {@code length()}.
     *

     * as <code>getPath</code>.
     *
     * @return The original URL representation of this SMB resource
     */

    @Override
    public String toString() {
        return Strings.maskSecretValue(url.toString());
    }

    /* URLConnection implementation */
    /**
     * This URLConnection method just returns the result of {@code length()}.
     *