NameCallback nc = new NameCallback("user:");
        PasswordCallback pc = new PasswordCallback("pass:", false);

        // Exercise callback handler with both callbacks supplied
        Callback[] cbs = new Callback[] { nc, pc };
        auth.handle(cbs);

        // Name should be formatted as username@domain
        assertEquals("user@DOM", nc.getName());
        // Password should be set

            for (final NegotiateContextRequest nc : this.negotiateContexts) {
                SMBUtil.writeInt2(nc.getContextType(), dst, dstIndex);
                final int lenOffset = dstIndex + 2;
                dstIndex += 4;
                SMBUtil.writeInt4(0, dst, dstIndex);
                dstIndex += 4; // Reserved
                final int dataLen = size8(nc.encode(dst, dstIndex));

                log.debug("Got callback " + cb.getClass().getName());
            }

            if (cb instanceof NameCallback nc) {
                String userDomain = this.getSpecifiedUserDomain();
                if (this.getUsername() != null && userDomain != null) {
                    nc.setName(this.getUsername() + "@" + userDomain);
                }
            } else if (cb instanceof PasswordCallback pc) {

        String[] inputs = { "a", "b", "c" };
        CharMappingItem item = new CharMappingItem(1L, inputs, "output");

        String inputsValue = item.getInputsValue();
        assertEquals("a\nb\nc", inputsValue);
    }

    public void test_getInputsValue_withSingleInput() {
        // Test with single input
        String[] inputs = { "single" };