// 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 portlist import ( "net" "testing" ) func TestGetList(t *testing.T) { pl, err := GetList(nil) if err != nil { t.Fatal(err) } for i, p := range pl { t.Logf("[%d] %+v", i, p) } t.Logf("As String: %v", pl.String()) } func TestIgnoreLocallyBoundPorts(t *testing.T) { ln, err := net.Listen("tcp", "127.0.0.1:0") if err != nil { t.Skipf("failed to bind: %v", err) } defer ln.Close() ta := ln.Addr().(*net.TCPAddr) port := ta.Port pl, err := GetList(nil) if err != nil { t.Fatal(err) } for _, p := range pl { if p.Proto == "tcp" && int(p.Port) == port { t.Fatal("didn't expect to find test's localhost ephemeral port") } } } func BenchmarkGetList(b *testing.B) { b.ReportAllocs() for i := 0; i < b.N; i++ { _, err := GetList(nil) if err != nil { b.Fatal(err) } } }