tailscale/net/neterror/neterror_linux_test.go

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// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package neterror
import (
"errors"
"net"
"os"
"syscall"
"testing"
)
func TestTreatAsLostUDP(t *testing.T) {
tests := []struct {
name string
err error
want bool
}{
{"nil", nil, false},
{"non-nil", errors.New("foo"), false},
{"eperm", syscall.EPERM, true},
{
name: "operror",
err: &net.OpError{
Op: "write",
Err: &os.SyscallError{
Syscall: "sendto",
Err: syscall.EPERM,
},
},
want: true,
},
{
name: "host_unreach",
err: &net.OpError{
Op: "write",
Err: &os.SyscallError{
Syscall: "sendto",
Err: syscall.EHOSTUNREACH,
},
},
want: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := TreatAsLostUDP(tt.err); got != tt.want {
t.Errorf("got = %v; want %v", got, tt.want)
}
})
}
}