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// Copyright 2020 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package header
import (
"encoding/binary"
"testing"
"time"
"gvisor.dev/gvisor/pkg/tcpip"
)
func TestMLD(t *testing.T) {
b := []byte{
// Maximum Response Delay
0, 0,
// Reserved
0, 0,
// MulticastAddress
1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6,
}
const maxRespDelay = 513
binary.BigEndian.PutUint16(b, maxRespDelay)
mld := MLD(b)
if got, want := mld.MaximumResponseDelay(), maxRespDelay*time.Millisecond; got != want {
t.Errorf("got mld.MaximumResponseDelay() = %s, want = %s", got, want)
}
const newMaxRespDelay = 1234
mld.SetMaximumResponseDelay(newMaxRespDelay)
if got, want := mld.MaximumResponseDelay(), newMaxRespDelay*time.Millisecond; got != want {
t.Errorf("got mld.MaximumResponseDelay() = %s, want = %s", got, want)
}
if got, want := mld.MulticastAddress(), tcpip.Address([]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6}); got != want {
t.Errorf("got mld.MulticastAddress() = %s, want = %s", got, want)
}
multicastAddress := tcpip.Address([]byte{15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0})
mld.SetMulticastAddress(multicastAddress)
if got := mld.MulticastAddress(); got != multicastAddress {
t.Errorf("got mld.MulticastAddress() = %s, want = %s", got, multicastAddress)
}
}
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