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// Copyright 2014 Quoc-Viet Nguyen. All rights reserved.
// This software may be modified and distributed under the terms
// of the BSD license. See the LICENSE file for details.
package test
import (
"log"
"os"
"testing"
"time"
"github.com/goburrow/modbus"
)
const (
tcpDevice = "localhost:5020"
)
func TestTCPClient(t *testing.T) {
client := modbus.TCPClient(tcpDevice)
ClientTestAll(t, client)
}
func TestTCPClientAdvancedUsage(t *testing.T) {
handler := modbus.NewTCPClientHandler(tcpDevice)
handler.Timeout = 5 * time.Second
handler.SlaveId = 1
handler.Logger = log.New(os.Stdout, "tcp: ", log.LstdFlags)
handler.Connect()
defer handler.Close()
client := modbus.NewClient(handler)
results, err := client.ReadDiscreteInputs(15, 2)
if err != nil || results == nil {
t.Fatal(err, results)
}
results, err = client.WriteMultipleRegisters(1, 2, []byte{0, 3, 0, 4})
if err != nil || results == nil {
t.Fatal(err, results)
}
results, err = client.WriteMultipleCoils(5, 10, []byte{4, 3})
if err != nil || results == nil {
t.Fatal(err, results)
}
}
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