logger.FatalIf(err, "Unable to get IP addresses of this host")

	for _, interf := range ifs {
		addrs, err := interf.Addrs()
		if err != nil {
			continue
		}
		if runtime.GOOS == "windows" && interf.Flags&net.FlagUp == 0 {
			continue
		}

		for _, addr := range addrs {
			var ip net.IP
			switch v := addr.(type) {
			case *net.IPNet:
				ip = v.IP
			case *net.IPAddr:
				ip = v.IP
			}

			}
		}
	}
}

func TestSameLocalAddrs(t *testing.T) {
	testCases := []struct {
		addr1       string
		addr2       string
		sameAddr    bool
		expectedErr error
	}{
		{"", "", false, errors.New("unable to process empty address")},
		{":9000", ":9000", true, nil},
		{"localhost:9000", ":9000", true, nil},

        WitnessNotification.WitnessIPAddress addr4 = new WitnessNotification.WitnessIPAddress(ipv4);
        WitnessNotification.WitnessIPAddress addr6 = new WitnessNotification.WitnessIPAddress(ipv6);

        // IPv4 tests
        assertTrue(addr4.isIPv4());
        assertFalse(addr4.isIPv6());
        assertEquals(WitnessNotification.WitnessIPAddress.IPV4, addr4.getFlags());

        // IPv6 tests

        InetAddress addr1 = InetAddress.getByName("192.168.1.100");
        InetAddress addr2 = InetAddress.getByName("192.168.1.101");
        NetworkInterfaceInfo local = new NetworkInterfaceInfo(addr1, 1000);
        NetworkInterfaceInfo remote1 = new NetworkInterfaceInfo(addr1, 1000);
        NetworkInterfaceInfo remote2 = new NetworkInterfaceInfo(addr2, 10000); // Faster interface

	//	LFMOV freg ',' addr
	//	{
	//		outcode(int($1), &$2, 0, &$4);
	//	}
	MOVF	F2, foo<>+3(SB)
	MOVF	F2, 16(R1)
	MOVF	F2, (R1)

	//
	// store ints and bytes
	//
	//	LMOVW rreg ',' addr
	//	{
	//		outcode(int($1), &$2, 0, &$4);
	//	}
	MOVW	R1, foo<>+3(SB)
	MOVW	R1, 16(R2)
	MOVW	R1, (R2)
	MOVW	R1, foo<>+3(SB)
	MOVW	R1, 16(R2)
	MOVW	R1, (R2)
	SC	R1, (R2)

	//	LMOVB rreg ',' addr
	//	{

     * }
     */

    Object addr;
    String calledName;

    /**
     * Create a <code>UniAddress</code> by wrapping an {@code InetAddress} or
     * <code>NbtAddress</code>.
     *
     * @param addr
     *            wrapped address
     */
    public UniAddress(final Object addr) {
        if (addr == null) {
            throw new IllegalArgumentException();
        }

        final String addr = props.getProperty(key);
        if (addr != null) {
            try {
                def = InetAddress.getByName(addr);
            } catch (final UnknownHostException uhe) {
                log.error("Unknown host " + addr, uhe);
            }
        }
        return def;
    }

    /**

        request.setSize(size);
        return this;
    }

    /**
     * Adds a tag to filter by.
     * @param tag The tag.
     * @return This builder instance.
     */
    public PopularWordsRequestBuilder addTag(final String tag) {
        request.addTag(tag);
        return this;
    }

    /**
     * Adds a role to filter by.
     * @param role The role.
     * @return This builder instance.
     */

        request.setQuery(query);
        return this;
    }

    /**
     * Adds a tag to filter by.
     * @param tag The tag.
     * @return This builder instance.
     */
    public SuggestRequestBuilder addTag(final String tag) {
        request.addTag(tag);
        return this;
    }

    /**
     * Adds a role to filter by.
     * @param role The role.
     * @return This builder instance.
     */

	if err := scanner.Err(); err != nil {
		t.Fatalf("error reading symbols: %v", err)
	}
	return syms
}

func runAddr2Line(t *testing.T, dbgExePath, addr string) (funcname, path, lineno string) {
	cmd := testenv.Command(t, testenv.Executable(t), dbgExePath)
	cmd.Stdin = strings.NewReader(addr)
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("go tool addr2line %v: %v\n%s", os.Args[0], err, string(out))
	}