syncthing/lib/nat/structs_test.go

55 lines
1.3 KiB
Go

// Copyright (C) 2016 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package nat
import (
"net"
"testing"
)
func TestMappingValidGateway(t *testing.T) {
a := net.ParseIP("10.0.0.1")
b := net.ParseIP("192.168.0.1")
tests := []struct {
mappingLocalIP net.IP
gatewayLocalIP net.IP
expected bool
}{
// Any of the IPs is nil or unspecified implies correct
{nil, nil, true},
{net.IPv4zero, net.IPv4zero, true},
{nil, net.IPv4zero, true},
{net.IPv4zero, nil, true},
{a, nil, true},
{b, nil, true},
{a, net.IPv4zero, true},
{b, net.IPv4zero, true},
{nil, a, true},
{nil, b, true},
{net.IPv4zero, a, true},
{net.IPv4zero, b, true},
// IPs are the same implies correct
{a, a, true},
{b, b, true},
// IPs are specified and different, implies incorrect
{a, b, false},
{b, a, false},
}
for _, test := range tests {
m := Mapping{
address: Address{
IP: test.mappingLocalIP,
},
}
result := m.validGateway(test.gatewayLocalIP)
if result != test.expected {
t.Errorf("Incorrect: local %s gateway %s result %t expected %t", test.mappingLocalIP, test.gatewayLocalIP, result, test.expected)
}
}
}