System.arraycopy(testMac, 0, src, srcIndex + 19, 6);

        // Statistics
        byte[] stats = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
        System.arraycopy(stats, 0, src, srcIndex + 25, 6);

        int result = response.readRDataWireFormat(src, srcIndex);
        assertEquals(31, result);

        // Verify queryAddress was updated
        assertTrue(mockQueryAddress.isDataFromNodeStatus);

}

// Validate checks this tag.
func (tag Tag) Validate() error {
	if len(tag.Key) == 0 || utf8.RuneCountInString(tag.Key) > 128 {
		return errInvalidTagKey
	}

	if utf8.RuneCountInString(tag.Value) > 256 {
		return errInvalidTagValue
	}

	return nil

    }

    @Test
    void testReadLength_LongForm() throws IOException {
        // Definite-length long form (length 256)
        InputStream s = new ByteArrayInputStream(new byte[] { (byte) 0x82, 0x01, 0x00 });
        int length = ASN1Util.readLength(s, 500, false);
        assertEquals(256, length);
    }

    @Test
    void testReadLength_Indefinite() throws IOException {
        // Indefinite-length

        assertEquals("31f30ddbcb1bf8446576f0e64aa4c88a9f055e3c", MessageDigestUtil.digest("SHA-1", text));
        assertEquals("ecb666d778725ec97307044d642bf4d160aabb76f56c0069c71ea25b1e926825", MessageDigestUtil.digest("SHA-256", text));

        try {
            MessageDigestUtil.digest(null, text);
            assertTrue(false);
        } catch (final EmptyArgumentException e) {
            assertTrue(true);
        }
        try {

     *
     * @param cause the underlying exception
     * @return the real message
     */
    protected static String getRealMessage(final SQLException cause) {
        final StringBuilder buf = new StringBuilder(256);
        buf.append(cause.getMessage()).append(" : [");
        SQLException next = cause.getNextException();
        while (next != null) {

        // Test with buffer and length larger than needed
        byte[] buffer = new byte[100];

        // Fill test pattern
        for (int i = 0; i < buffer.length; i++) {
            buffer[i] = (byte) (i % 256);
        }

        int bytesConsumed = response.decode(buffer, 0, 50);

        assertEquals(28, bytesConsumed, "Should consume exactly 28 bytes regardless of extra length");

    int hashBytes = hashbits / 8;

    byte[] key = new byte[256];
    byte[] hashes = new byte[hashBytes * 256];

    // Hash keys of the form {}, {0}, {0,1}, {0,1,2}... up to N=255,using 256-N as the seed
    for (int i = 0; i < 256; i++) {
      key[i] = (byte) i;
      int seed = 256 - i;
      byte[] hash = hashFunction.hash(Arrays.copyOf(key, i), seed);

    }

    @Override
    public String getArtifactId() {
        return artifact.getArtifactId();
    }

    @Override
    public String extendedToString() {
        StringBuilder buffer = new StringBuilder(256);

        buffer.append(LS).append("Artifact Metadata").append(LS).append("--------------------------");
        buffer.append(LS).append("GroupId: ").append(getGroupId());

     */
    private String toString(Object obj) {
        String str;
        if (obj != null && obj.getClass().isArray()) {
            int n = Array.getLength(obj);
            StringBuilder buf = new StringBuilder(256);
            buf.append('[');
            for (int i = 0; i < n; i++) {
                if (i > 0) {
                    buf.append(", ");
                }
                buf.append(Array.get(obj, i));
            }

        byte[] largeKey = new byte[256];
        for (int i = 0; i < largeKey.length; i++) {
            largeKey[i] = (byte) (i % 256);
        }
        serverData.encryptionKey = largeKey;
        serverData.encryptionKeyLength = largeKey.length;

        assertEquals(256, serverData.encryptionKey.length);
        assertEquals(256, serverData.encryptionKeyLength);