assertEquals("abc", StringUtil.substringToLast("abc", "dddd"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToHex() throws Exception {
        assertEquals("010203", StringUtil.toHex(new byte[] { 1, 2, 3 }));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToHex2() throws Exception {
        assertEquals("0001", StringUtil.toHex(1));

    mapped = InetAddresses.forString(mappedStr);
    assertThat(mapped).isNotInstanceOf(Inet6Address.class);
    assertThat(mapped).isEqualTo(InetAddress.getByName("1.2.3.4"));

    mappedStr = "::ffff:0102:0304";
    assertTrue(InetAddresses.isMappedIPv4Address(mappedStr));
    mapped = InetAddresses.forString(mappedStr);
    assertThat(mapped).isNotInstanceOf(Inet6Address.class);

            assertEquals("Expected structureSize = 60", exception.getMessage());
        }

        @ParameterizedTest
        @ValueSource(ints = { 0, 10, 20, 30 })
        @DisplayName("Should correctly read from different buffer offsets")
        void testReadBytesWireFormatWithDifferentOffsets(int offset) throws SMBProtocolDecodingException {
            // Given