static byte eightBitCharacter(final String asciiCharacter)
    {
        Verify.notNull(asciiCharacter, "asciiCharacter");
        final byte[] bytes = asciiCharacter.getBytes(StandardCharsets.US_ASCII);
        if (bytes.length != 1)
        {
            throw new IllegalArgumentException(
                "String value `" + asciiCharacter + "` did not fit into a single 8-bit character");
        }

        return bytes[0];
    }
@Test
    void emptyParamToEightBitCharacterThrowsIAE()
    {
        assertThrows(IllegalArgumentException.class, () -> RustUtil.eightBitCharacter(""));
    }