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// Copyright 2018 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 (
"testing"
"gvisor.dev/gvisor/pkg/tcpip"
)
func TestIsValidUnicastEthernetAddress(t *testing.T) {
tests := []struct {
name string
addr tcpip.LinkAddress
expected bool
}{
{
"Nil",
tcpip.LinkAddress([]byte(nil)),
false,
},
{
"Empty",
tcpip.LinkAddress(""),
false,
},
{
"InvalidLength",
tcpip.LinkAddress("\x01\x02\x03"),
false,
},
{
"Unspecified",
unspecifiedEthernetAddress,
false,
},
{
"Multicast",
tcpip.LinkAddress("\x01\x02\x03\x04\x05\x06"),
false,
},
{
"Valid",
tcpip.LinkAddress("\x02\x02\x03\x04\x05\x06"),
true,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
if got := IsValidUnicastEthernetAddress(test.addr); got != test.expected {
t.Fatalf("got IsValidUnicastEthernetAddress = %t, want = %t", got, test.expected)
}
})
}
}
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