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package proto
import (
"errors"
"testing"
"github.com/pion/stun"
"github.com/stretchr/testify/assert"
)
func BenchmarkChannelNumber(b *testing.B) {
b.Run("AddTo", func(b *testing.B) {
b.ReportAllocs()
m := new(stun.Message)
for i := 0; i < b.N; i++ {
n := ChannelNumber(12)
if err := n.AddTo(m); err != nil {
b.Fatal(err)
}
m.Reset()
}
})
b.Run("GetFrom", func(b *testing.B) {
m := new(stun.Message)
assert.NoError(b, ChannelNumber(12).AddTo(m))
for i := 0; i < b.N; i++ {
var n ChannelNumber
if err := n.GetFrom(m); err != nil {
b.Fatal(err)
}
}
})
}
func TestChannelNumber(t *testing.T) {
t.Run("String", func(t *testing.T) {
n := ChannelNumber(112)
if n.String() != "112" {
t.Errorf("bad string %s, expected 112", n.String())
}
})
t.Run("NoAlloc", func(t *testing.T) {
m := &stun.Message{}
if wasAllocs(func() {
// Case with ChannelNumber on stack.
n := ChannelNumber(6)
n.AddTo(m) //nolint
m.Reset()
}) {
t.Error("Unexpected allocations")
}
n := ChannelNumber(12)
nP := &n
if wasAllocs(func() {
// On heap.
nP.AddTo(m) //nolint
m.Reset()
}) {
t.Error("Unexpected allocations")
}
})
t.Run("AddTo", func(t *testing.T) {
m := new(stun.Message)
n := ChannelNumber(6)
if err := n.AddTo(m); err != nil {
t.Error(err)
}
m.WriteHeader()
t.Run("GetFrom", func(t *testing.T) {
decoded := new(stun.Message)
if _, err := decoded.Write(m.Raw); err != nil {
t.Fatal("failed to decode message:", err)
}
var numDecoded ChannelNumber
if err := numDecoded.GetFrom(decoded); err != nil {
t.Fatal(err)
}
if numDecoded != n {
t.Errorf("Decoded %d, expected %d", numDecoded, n)
}
if wasAllocs(func() {
var num ChannelNumber
num.GetFrom(decoded) //nolint
}) {
t.Error("Unexpected allocations")
}
t.Run("HandleErr", func(t *testing.T) {
m := new(stun.Message)
nHandle := new(ChannelNumber)
if err := nHandle.GetFrom(m); !errors.Is(err, stun.ErrAttributeNotFound) {
t.Errorf("%v should be not found", err)
}
m.Add(stun.AttrChannelNumber, []byte{1, 2, 3})
if !stun.IsAttrSizeInvalid(nHandle.GetFrom(m)) {
t.Error("IsAttrSizeInvalid should be true")
}
})
})
})
}
func TestChannelNumber_Valid(t *testing.T) {
for _, tc := range []struct {
n ChannelNumber
value bool
}{
{MinChannelNumber - 1, false},
{MinChannelNumber, true},
{MinChannelNumber + 1, true},
{MaxChannelNumber, true},
{MaxChannelNumber + 1, false},
} {
if v := tc.n.Valid(); v != tc.value {
t.Errorf("unexpected: (%s) %v != %v", tc.n.String(), tc.value, v)
}
}
}
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