| 1234567891011121314151617181920212223242526272829303132 | package modbusimport (	"testing"	"golib/gnet")func TestTCPRequest_Pack(t *testing.T) {	r := TCPRequest{		FunctionCode: FuncCode3,		StartNo:      10000,		RegisterLen:  11,	}	b := r.Pack()	t.Log(gnet.Bytes(b).HexTo())	// 00 00 00 00 00 00 03 27 10 00 0b 00	r.FunctionCode = FuncCode16	r.Data = []byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0xa, 0x0b}	b1 := r.Pack()	t.Log(gnet.Bytes(b1).HexTo())}func TestTCPResponse_Unpack(t *testing.T) {	b := gnet.String("00 01 00 00 00 0B 01 03 06 01 02 03 04 05 06").Hex()	var resp TCPResponse	if err := resp.Unpack(b); err != nil {		t.Error(err)		return	}	t.Logf("%+v\n", resp)}
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