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tpdu_test.go
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// SPDX-License-Identifier: MIT
//
// Copyright © 2018 Kent Gibson <[email protected]>.
package tpdu_test
import (
"errors"
"fmt"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/warthog618/sms/encoding/bcd"
"github.com/warthog618/sms/encoding/semioctet"
"github.com/warthog618/sms/encoding/tpdu"
)
type BadOption struct {
err error
}
func (o BadOption) ApplyTPDUOption(t *tpdu.TPDU) error {
return o.err
}
func TestNew(t *testing.T) {
s, err := tpdu.New()
require.Nil(t, err)
addr := tpdu.NewAddress()
assert.Equal(t, addr, s.OA)
assert.Equal(t, addr, s.DA)
assert.Equal(t, addr, s.RA)
assert.Equal(t, tpdu.SmsDeliver, s.SmsType())
s, err = tpdu.New(tpdu.SmsCommand)
require.Nil(t, err)
assert.Equal(t, tpdu.SmsCommand, s.SmsType())
inerr := errors.New("failed TPDU option")
s, err = tpdu.New(BadOption{inerr})
assert.Equal(t, inerr, err)
assert.Nil(t, s)
}
func TestNewDeliver(t *testing.T) {
s, err := tpdu.NewDeliver()
require.Nil(t, err)
addr := tpdu.NewAddress()
assert.Equal(t, addr, s.OA)
assert.Equal(t, addr, s.DA)
assert.Equal(t, addr, s.RA)
assert.Equal(t, tpdu.SmsDeliver, s.SmsType())
inerr := errors.New("failed TPDU option")
s, err = tpdu.NewDeliver(BadOption{inerr})
assert.Equal(t, inerr, err)
assert.Nil(t, s)
}
func TestNewSubmit(t *testing.T) {
s, err := tpdu.NewSubmit()
require.Nil(t, err)
addr := tpdu.NewAddress()
assert.Equal(t, addr, s.OA)
assert.Equal(t, addr, s.DA)
assert.Equal(t, addr, s.RA)
assert.Equal(t, tpdu.SmsSubmit, s.SmsType())
inerr := errors.New("failed TPDU option")
s, err = tpdu.NewSubmit(BadOption{inerr})
assert.Equal(t, inerr, err)
assert.Nil(t, s)
}
func TestAlphabet(t *testing.T) {
patterns := []dcsAlphabetPattern{
{0x00, tpdu.Alpha7Bit, nil},
{0x04, tpdu.Alpha8Bit, nil},
{0x08, tpdu.AlphaUCS2, nil},
{0x0c, tpdu.Alpha7Bit, nil},
{0x80, tpdu.Alpha7Bit, tpdu.ErrInvalid},
}
for _, p := range patterns {
f := func(t *testing.T) {
d := tpdu.TPDU{}
d.DCS = tpdu.DCS(p.in)
c, err := d.Alphabet()
require.Equal(t, p.err, err, p.in)
assert.Equal(t, p.out, c)
}
t.Run(fmt.Sprintf("%02x", p.in), f)
}
}
func TestConcat(t *testing.T) {
patterns := []concatTestPattern{
{
"empty",
tpdu.UserDataHeader{},
0,
0,
0,
false,
},
{
"empty data",
tpdu.UserDataHeader{
tpdu.InformationElement{ID: 0, Data: []byte{}},
},
0,
0,
0,
false,
},
{
"nil data",
tpdu.UserDataHeader{
tpdu.InformationElement{ID: 0, Data: nil},
},
0,
0,
0,
false,
},
{
"concat8",
tpdu.UserDataHeader{
tpdu.InformationElement{ID: 0, Data: []byte{3, 2, 1}},
},
3,
2,
1,
true,
},
{
"id 1",
tpdu.UserDataHeader{
tpdu.InformationElement{ID: 1, Data: []byte{3, 2, 1}},
},
0,
0,
0,
false,
},
{
"concat16",
tpdu.UserDataHeader{
tpdu.InformationElement{ID: 8, Data: []byte{4, 3, 2, 1}},
},
1027,
2,
1,
true,
},
{
"short concat8",
tpdu.UserDataHeader{
tpdu.InformationElement{ID: 0, Data: []byte{2, 1}},
},
0,
0,
0,
false,
},
{
"short concat16",
tpdu.UserDataHeader{
tpdu.InformationElement{ID: 8, Data: []byte{3, 2, 1}},
},
0,
0,
0,
false,
},
}
for _, p := range patterns {
f := func(t *testing.T) {
s, err := tpdu.New(tpdu.WithUDH(p.udh))
require.Nil(t, err)
require.NotNil(t, s)
segments, seqno, mref, ok := s.ConcatInfo()
assert.Equal(t, p.ok, ok)
assert.Equal(t, p.segments, segments)
assert.Equal(t, p.seqno, seqno)
assert.Equal(t, p.mref, mref)
}
t.Run(p.name, f)
}
}
func TestMarshalBinary(t *testing.T) {
patterns := []struct {
name string
in tpdu.TPDU
out []byte
err error
}{
{
"unsupported SMS type",
tpdu.TPDU{
Direction: tpdu.MO,
FirstOctet: 0x03,
},
nil,
tpdu.ErrUnsupportedSmsType(7),
},
{
"SmsCommand full",
tpdu.TPDU{
Direction: tpdu.MO,
FirstOctet: 0x02,
PID: 0xab,
UD: []byte("a command"),
MR: 0x42,
CT: 0x89,
MN: 0x34,
DA: tpdu.Address{Addr: "6391", TOA: 0x91},
},
[]byte{
0x02, 0x42, 0xab, 0x89, 0x34, 0x04, 0x91, 0x36, 0x19, 0x09, 0x61,
0x20, 0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64,
},
nil,
},
{
"SmsCommand bad da",
tpdu.TPDU{
Direction: tpdu.MO,
FirstOctet: 0x02,
PID: 0xab,
UD: []byte("a command"),
MR: 0x42,
CT: 0x89,
MN: 0x34,
DA: tpdu.Address{Addr: "d391", TOA: 0x91},
},
nil,
tpdu.EncodeError("SmsCommand.da.addr", semioctet.ErrInvalidDigit('d')),
},
{
"SmsDeliver haha",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 4,
UD: []byte("Hahahaha"),
OA: tpdu.Address{Addr: "6391", TOA: 0x91},
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 8*3600))},
},
[]byte{
0x04, 0x04, 0x91, 0x36, 0x19, 0x00, 0x00, 0x51, 0x50, 0x71, 0x32,
0x20, 0x05, 0x23, 0x08, 0xC8, 0x30, 0x3A, 0x8C, 0x0E, 0xA3, 0xC3,
},
nil,
},
{
"SmsDeliver bad oa",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 4,
UD: []byte("Hahahaha"),
OA: tpdu.Address{Addr: "d391", TOA: 0x91},
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 8*3600)),
},
},
nil,
tpdu.EncodeError("SmsDeliver.oa.addr", semioctet.ErrInvalidDigit('d')),
},
{
"SmsDeliver bad scts",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 4,
UD: []byte("Hahahaha"),
OA: tpdu.Address{Addr: "6391", TOA: 0x91},
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 24*3600)),
},
},
nil,
tpdu.EncodeError("SmsDeliver.scts", bcd.ErrInvalidInteger(96)),
},
{
"SmsDeliver bad ud",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 4,
DCS: 0x80,
UD: []byte("Hahahaha"),
OA: tpdu.Address{Addr: "6391", TOA: 0x91},
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 8*3600)),
},
},
nil,
tpdu.EncodeError("SmsDeliver.ud.alphabet", tpdu.ErrInvalid),
},
{
"SmsDeliverReport minimal",
tpdu.TPDU{
Direction: tpdu.MO,
FirstOctet: 0,
FCS: 0x12,
},
[]byte{0x00, 0x12, 0x00},
nil,
},
{
"SmsDeliverReport pid",
tpdu.TPDU{
Direction: tpdu.MO,
FirstOctet: 0,
PID: 0xab,
DCS: 0x04,
UD: []byte("report"),
FCS: 0x12,
PI: 0x01,
},
[]byte{
0x00, 0x12, 0x01, 0xab,
},
nil,
},
{
"SmsDeliverReport dcs",
tpdu.TPDU{
Direction: tpdu.MO,
FirstOctet: 0,
PID: 0xab,
DCS: 0x04,
UD: []byte("report"),
FCS: 0x12,
PI: 0x02,
},
[]byte{
0x00, 0x12, 0x02, 0x04,
},
nil,
},
{
"SmsDeliverReport ud",
tpdu.TPDU{
Direction: tpdu.MO,
FirstOctet: 0,
PID: 0xab,
DCS: 0x04,
UD: []byte("report"),
FCS: 0x12,
PI: 0x04,
},
[]byte{
0x00, 0x12, 0x04, 0x06, 0x72, 0x65, 0x70, 0x6f, 0x72, 0x74,
},
nil,
},
{
"SmsDeliverReport full",
tpdu.TPDU{
Direction: tpdu.MO,
FirstOctet: 0,
PID: 0xab,
DCS: 0x04,
UD: []byte("report"),
FCS: 0x12,
PI: 0x07,
},
[]byte{
0x00, 0x12, 0x07, 0xab, 0x04, 0x06, 0x72, 0x65, 0x70, 0x6f, 0x72,
0x74,
},
nil,
},
{
"SmsDeliverReport bad ud",
tpdu.TPDU{
Direction: tpdu.MO,
FirstOctet: 0,
DCS: 0x80,
UD: []byte("report"),
FCS: 0x12,
PI: 0x06,
},
nil,
tpdu.EncodeError("SmsDeliverReport.ud.alphabet", tpdu.ErrInvalid),
},
{
"SmsStatusReport minimal",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 0x02,
MR: 0x42,
RA: tpdu.Address{Addr: "6391", TOA: 0x91},
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 8*3600)),
},
DT: tpdu.Timestamp{
Time: time.Date(2015, time.April, 18, 23, 02, 50, 0,
time.FixedZone("SCTS", 6*3600)),
},
ST: 0xab,
},
[]byte{
0x02, 0x42, 0x04, 0x91, 0x36, 0x19, 0x51, 0x50, 0x71, 0x32, 0x20,
0x05, 0x23, 0x51, 0x40, 0x81, 0x32, 0x20, 0x05, 0x42, 0xab,
},
nil,
},
{
"SmsStatusReport full",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 0x06,
PID: 0x89,
DCS: 0x04,
UD: []byte("report"),
MR: 0x42,
PI: 0x07,
RA: tpdu.Address{Addr: "6391", TOA: 0x91},
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 8*3600)),
},
DT: tpdu.Timestamp{
Time: time.Date(2015, time.April, 18, 23, 02, 50, 0,
time.FixedZone("SCTS", 6*3600)),
},
ST: 0xab,
},
[]byte{
0x06, 0x42, 0x04, 0x91, 0x36, 0x19, 0x51, 0x50, 0x71, 0x32, 0x20,
0x05, 0x23, 0x51, 0x40, 0x81, 0x32, 0x20, 0x05, 0x42, 0xab, 0x07,
0x89, 0x04, 0x06, 0x72, 0x65, 0x70, 0x6f, 0x72, 0x74,
},
nil,
},
{
"SmsStatusReport pidless",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 0x06,
PID: 0x89, // not in PI so wont be encoded
DCS: 0x04,
UD: []byte("report"),
MR: 0x42,
PI: 0x06, // no PI set
RA: tpdu.Address{Addr: "6391", TOA: 0x91},
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 8*3600)),
},
DT: tpdu.Timestamp{
Time: time.Date(2015, time.April, 18, 23, 02, 50, 0,
time.FixedZone("SCTS", 6*3600)),
},
ST: 0xab,
},
[]byte{
0x06, 0x42, 0x04, 0x91, 0x36, 0x19, 0x51, 0x50, 0x71, 0x32, 0x20,
0x05, 0x23, 0x51, 0x40, 0x81, 0x32, 0x20, 0x05, 0x42, 0xab, 0x06,
0x04, 0x06, 0x72, 0x65, 0x70, 0x6f, 0x72, 0x74,
},
nil,
},
{
"SmsStatusReport dcsless",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 0x06,
PID: 0x89,
DCS: 0x04, // not in PI so wont be encoded
UD: []byte("report"),
MR: 0x42,
PI: 0x05, // no DCS set
RA: tpdu.Address{Addr: "6391", TOA: 0x91},
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 8*3600)),
},
DT: tpdu.Timestamp{
Time: time.Date(2015, time.April, 18, 23, 02, 50, 0,
time.FixedZone("SCTS", 6*3600)),
},
ST: 0xab,
},
[]byte{
0x06, 0x42, 0x04, 0x91, 0x36, 0x19, 0x51, 0x50, 0x71, 0x32, 0x20,
0x05, 0x23, 0x51, 0x40, 0x81, 0x32, 0x20, 0x05, 0x42, 0xab, 0x05,
0x89, 0x06, 0x72, 0x65, 0x70, 0x6f, 0x72, 0x74,
},
nil,
},
{
"SmsStatusReport bad ra",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 0x02,
MR: 0x42,
RA: tpdu.Address{Addr: "63d1", TOA: 0x91},
},
nil,
tpdu.EncodeError("SmsStatusReport.ra.addr", semioctet.ErrInvalidDigit('d')),
},
{
"SmsStatusReport bad scts",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 0x02,
MR: 0x42,
RA: tpdu.Address{Addr: "6391", TOA: 0x91},
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 24*3600)),
},
DT: tpdu.Timestamp{
Time: time.Date(2015, time.April, 18, 23, 02, 50, 0,
time.FixedZone("SCTS", 6*3600)),
},
ST: 0xab,
},
nil,
tpdu.EncodeError("SmsStatusReport.scts", bcd.ErrInvalidInteger(96)),
},
{
"SmsStatusReport bad dt",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 0x02,
MR: 0x42,
RA: tpdu.Address{Addr: "6391", TOA: 0x91},
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 8*3600)),
},
DT: tpdu.Timestamp{
Time: time.Date(2015, time.April, 18, 23, 02, 50, 0,
time.FixedZone("SCTS", 24*3600)),
},
ST: 0xab,
},
nil,
tpdu.EncodeError("SmsStatusReport.dt", bcd.ErrInvalidInteger(96)),
},
{
"SmsStatusReport bad ud",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 0x02,
DCS: 0x80,
UD: []byte("report"),
PI: 0x06,
},
nil,
tpdu.EncodeError("SmsStatusReport.ud.alphabet", tpdu.ErrInvalid),
},
{
"SmsSubmit haha",
tpdu.TPDU{
Direction: tpdu.MO,
FirstOctet: 0x01,
UD: []byte("Hahahaha"),
DA: tpdu.Address{Addr: "6391", TOA: 0x91},
},
[]byte{
0x01, 0x00, 0x04, 0x91, 0x36, 0x19, 0x00, 0x00, 0x08, 0xC8, 0x30,
0x3A, 0x8C, 0x0E, 0xA3, 0xC3,
},
nil,
},
{
"SmsSubmit vp",
tpdu.TPDU{
Direction: tpdu.MO,
FirstOctet: 0x01,
UD: []byte("Hahahaha"),
DA: tpdu.Address{Addr: "6391", TOA: 0x91},
VP: tpdu.ValidityPeriod{
Format: tpdu.VpfRelative,
Duration: time.Duration(6000000000000),
},
},
[]byte{
0x01, 0x00, 0x04, 0x91, 0x36, 0x19, 0x00, 0x00, 0x13, 0x08, 0xC8,
0x30, 0x3A, 0x8C, 0x0E, 0xA3, 0xC3,
},
nil,
},
{
"SmsSubmit bad da",
tpdu.TPDU{
Direction: tpdu.MO,
FirstOctet: 0x01,
UD: []byte("Hahahaha"),
DA: tpdu.Address{Addr: "d391", TOA: 0x91},
},
nil,
tpdu.EncodeError("SmsSubmit.da.addr", semioctet.ErrInvalidDigit('d')),
},
{
"SmsSubmit bad vp",
tpdu.TPDU{
Direction: tpdu.MO,
FirstOctet: 0x01,
UD: []byte("Hahahaha"),
DA: tpdu.Address{Addr: "6391", TOA: 0x91},
VP: tpdu.ValidityPeriod{Format: 6},
},
nil,
tpdu.EncodeError("SmsSubmit.vp.vpf", tpdu.ErrInvalid),
},
{
"SmsSubmit bad ud",
tpdu.TPDU{
Direction: tpdu.MO,
FirstOctet: 0x01,
DCS: 0x80,
UD: []byte("Hahahaha"),
DA: tpdu.Address{Addr: "6391", TOA: 0x91},
},
nil,
tpdu.EncodeError("SmsSubmit.ud.alphabet", tpdu.ErrInvalid),
},
{
"SmsSubmitReport minimal",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 0x01,
FCS: 0x12,
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 8*3600)),
},
},
[]byte{0x01, 0x12, 0x00, 0x51, 0x50, 0x71, 0x32, 0x20, 0x05, 0x23},
nil,
},
{
"SmsSubmitReport pi",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 0x01,
PID: 0xab,
DCS: 0x04,
UD: []byte("report"),
FCS: 0x12,
PI: 0x01,
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 8*3600)),
},
},
[]byte{
0x01, 0x12, 0x01, 0x51, 0x50, 0x71, 0x32, 0x20, 0x05, 0x23, 0xab,
},
nil,
},
{
"SmsSubmitReport dcs",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 0x01,
PID: 0xab,
DCS: 0x04,
UD: []byte("report"),
FCS: 0x12,
PI: 0x02,
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 8*3600)),
},
},
[]byte{
0x01, 0x12, 0x02, 0x51, 0x50, 0x71, 0x32, 0x20, 0x05, 0x23, 0x04,
},
nil,
},
{
"SmsSubmitReport ud",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 0x01,
PID: 0xab,
DCS: 0x04,
UD: []byte("report"),
FCS: 0x12,
PI: 0x04,
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 8*3600)),
},
},
[]byte{
0x01, 0x12, 0x04, 0x51, 0x50, 0x71, 0x32, 0x20, 0x05, 0x23, 0x06,
0x72, 0x65, 0x70, 0x6f, 0x72, 0x74,
},
nil,
},
{
"SmsSubmitReport full",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 0x01,
PID: 0xab,
DCS: 0x04,
UD: []byte("report"),
FCS: 0x12,
PI: 0x07,
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 8*3600)),
},
},
[]byte{
0x01, 0x12, 0x07, 0x51, 0x50, 0x71, 0x32, 0x20, 0x05, 0x23, 0xab,
0x04, 0x06, 0x72, 0x65, 0x70, 0x6f, 0x72, 0x74,
},
nil,
},
{
"SmsSubmitReport bad scts",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 0x01,
DCS: 0x80,
UD: []byte("report"),
FCS: 0x12,
PI: 0x07,
SCTS: tpdu.Timestamp{
Time: time.Date(2015, time.May, 17, 23, 02, 50, 0,
time.FixedZone("SCTS", 24*3600))},
},
nil,
tpdu.EncodeError("SmsSubmitReport.scts", bcd.ErrInvalidInteger(96)),
},
{
"SmsSubmitReport bad ud",
tpdu.TPDU{
Direction: tpdu.MT,
FirstOctet: 0x01,
DCS: 0x80,
UD: []byte("report"),
FCS: 0x12,
PI: 0x06,
},
nil,
tpdu.EncodeError("SmsSubmitReport.ud.alphabet", tpdu.ErrInvalid),
},
}
for _, p := range patterns {
f := func(t *testing.T) {
b, err := p.in.MarshalBinary()
assert.Equal(t, p.err, err)
assert.Equal(t, p.out, b)
}
t.Run(p.name, f)
}
}
func TestIsSingleSegment(t *testing.T) {
patterns := []struct {
name string
in tpdu.TPDU
out bool
}{
{
"single segment",
tpdu.TPDU{},
true,
},
{
"concat8",
tpdu.TPDU{
UDH: []tpdu.InformationElement{
{
ID: 0,
Data: []byte{1, 2, 1},
},
},
},
false,
},
{
"concat16",
tpdu.TPDU{
UDH: []tpdu.InformationElement{
{
ID: 8,
Data: []byte{0, 1, 2, 1},
},
},
},
false,
},
{
"no concat",
tpdu.TPDU{
UDH: []tpdu.InformationElement{
{
ID: 3,
Data: []byte{1, 2, 1},
},
},
},
true,
},
}
for _, p := range patterns {
f := func(t *testing.T) {
out := p.in.IsSingleSegment()
assert.Equal(t, p.out, out)
}
t.Run(p.name, f)
}
}
func TestMTI(t *testing.T) {
b := tpdu.TPDU{}
m := b.MTI()
assert.Equal(t, tpdu.MtDeliver, m)
for _, p := range []tpdu.FirstOctet{0x00, 0xab, 0x00, 0xff} {
b.FirstOctet = p
m = b.MTI()
assert.Equal(t, tpdu.MessageType(p&0x3), m)
}
}
func TestSetDCS(t *testing.T) {
b := tpdu.TPDU{}
assert.False(t, b.PI.DCS())
for _, p := range []byte{0x00, 0xab, 0x00, 0xff} {
b.SetDCS(p)
assert.Equal(t, p, byte(b.DCS))
assert.True(t, b.PI.DCS())
}
}
func TestSegment(t *testing.T) {
patterns := []struct {
name string
in tpdu.TPDU
msg []byte
options []tpdu.SegmentationOption
out []tpdu.TPDU
}{
{
"nil msg",
tpdu.TPDU{},
nil,
nil,
nil,
},
{
"empty msg",
tpdu.TPDU{},
[]byte{},
nil,
nil,
},
{
"single segment",
tpdu.TPDU{},
[]byte("hello"),
nil,
[]tpdu.TPDU{
{
UD: []byte("hello"),
},
},
},
{
"two segment 7bit",
tpdu.TPDU{},
[]byte("this is a very long message that does not fit in a single SMS message, at least it will if I keep adding more to it as 160 characters is more than you might think"),
nil,
[]tpdu.TPDU{
{
FirstOctet: tpdu.FoUDHI,
PI: tpdu.PiUDL,
UDH: []tpdu.InformationElement{
{
ID: 0,
Data: []byte{1, 2, 1},
},
},
UD: []byte("this is a very long message that does not fit in a single SMS message, at least it will if I keep adding more to it as 160 characters is more than you mi"),
},
{
FirstOctet: tpdu.FoUDHI,
PI: tpdu.PiUDL,
UDH: []tpdu.InformationElement{
{
ID: 0,
Data: []byte{1, 2, 2},
},
},
UD: []byte("ght think"),
},
},
},
{
"three segment 7bit withMR",
tpdu.TPDU{},
[]byte("this is a very long message that does not fit in a single SMS message, at least it will if I keep adding more to it as 160 characters is more than you might think, but wait, then we also need a really really long message to trigger a three segment concatenation which requires even more characters than I care to count"),
[]tpdu.SegmentationOption{
tpdu.WithMR(&counter{10}),
tpdu.WithConcatRef(&counter{6}),
},
[]tpdu.TPDU{
{
FirstOctet: tpdu.FoUDHI,
PI: tpdu.PiUDL,
MR: 11,
UDH: []tpdu.InformationElement{
{
ID: 0,
Data: []byte{7, 3, 1},
},
},
UD: []byte("this is a very long message that does not fit in a single SMS message, at least it will if I keep adding more to it as 160 characters is more than you mi"),
},
{
FirstOctet: tpdu.FoUDHI,
PI: tpdu.PiUDL,
MR: 12,
UDH: []tpdu.InformationElement{
{
ID: 0,
Data: []byte{7, 3, 2},
},
},
UD: []byte("ght think, but wait, then we also need a really really long message to trigger a three segment concatenation which requires even more characters than I c"),
},
{
FirstOctet: tpdu.FoUDHI,
PI: tpdu.PiUDL,
MR: 13,
UDH: []tpdu.InformationElement{
{
ID: 0,
Data: []byte{7, 3, 3},
},
},
UD: []byte("are to count"),
},
},
},
{
"three segment 7bit with16BitConcatRef",
tpdu.TPDU{},
[]byte("this is a very long message that does not fit in a single SMS message, at least it will if I keep adding more to it as 160 characters is more than you might think, but wait, then we also need a really really long message to trigger a three segment concatenation which requires even more characters than I care to count"),
[]tpdu.SegmentationOption{
tpdu.WithMR(&counter{20}),
tpdu.WithConcatRef(&counter{0x507}),
tpdu.With16BitConcatRef,
},
[]tpdu.TPDU{
{
FirstOctet: tpdu.FoUDHI,
PI: tpdu.PiUDL,
MR: 21,
UDH: []tpdu.InformationElement{
{
ID: 8,
Data: []byte{5, 8, 3, 1},
},
},
UD: []byte("this is a very long message that does not fit in a single SMS message, at least it will if I keep adding more to it as 160 characters is more than you m"),
},
{
FirstOctet: tpdu.FoUDHI,
PI: tpdu.PiUDL,
MR: 22,
UDH: []tpdu.InformationElement{
{
ID: 8,
Data: []byte{5, 8, 3, 2},
},
},
UD: []byte("ight think, but wait, then we also need a really really long message to trigger a three segment concatenation which requires even more characters than I"),
},
{
FirstOctet: tpdu.FoUDHI,
PI: tpdu.PiUDL,
MR: 23,
UDH: []tpdu.InformationElement{
{
ID: 8,
Data: []byte{5, 8, 3, 3},
},
},
UD: []byte(" care to count"),
},
},