tailscale/net/dnscache/dnscache_test.go

29 lines
580 B
Go

// Copyright (c) 2020 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 dnscache
import (
"net"
"testing"
)
func TestIsPrivateIP(t *testing.T) {
tests := []struct {
ip string
want bool
}{
{"10.1.2.3", true},
{"172.16.1.100", true},
{"192.168.1.1", true},
{"1.2.3.4", false},
}
for _, test := range tests {
if got := isPrivateIP(net.ParseIP(test.ip)); got != test.want {
t.Errorf("isPrivateIP(%q)=%v, want %v", test.ip, got, test.want)
}
}
}