|  | // Copyright 2016 The Go Authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style | 
|  | // license that can be found in the LICENSE file. | 
|  |  | 
|  | //go:build darwin || dragonfly || freebsd || netbsd || openbsd | 
|  | // +build darwin dragonfly freebsd netbsd openbsd | 
|  |  | 
|  | package route | 
|  |  | 
|  | import ( | 
|  | "reflect" | 
|  | "testing" | 
|  | ) | 
|  |  | 
|  | type parseAddrsTest struct { | 
|  | attrs uint | 
|  | fn    func(int, []byte) (int, Addr, error) | 
|  | b     []byte | 
|  | as    []Addr | 
|  | } | 
|  |  | 
|  | var parseAddrsLittleEndianTests = []parseAddrsTest{ | 
|  | { | 
|  | sysRTA_DST | sysRTA_GATEWAY | sysRTA_NETMASK | sysRTA_BRD, | 
|  | parseKernelInetAddr, | 
|  | []byte{ | 
|  | 0x38, 0x12, 0x0, 0x0, 0xff, 0xff, 0xff, 0x0, | 
|  | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | 
|  | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | 
|  | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | 
|  | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | 
|  | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | 
|  | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | 
|  |  | 
|  | 0x38, 0x12, 0x2, 0x0, 0x6, 0x3, 0x6, 0x0, | 
|  | 0x65, 0x6d, 0x31, 0x0, 0xc, 0x29, 0x66, 0x2c, | 
|  | 0xdc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | 
|  | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | 
|  | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | 
|  | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | 
|  | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | 
|  |  | 
|  | 0x10, 0x2, 0x0, 0x0, 0xac, 0x10, 0xdc, 0xb4, | 
|  | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | 
|  |  | 
|  | 0x10, 0x2, 0x0, 0x0, 0xac, 0x10, 0xdc, 0xff, | 
|  | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | 
|  | }, | 
|  | []Addr{ | 
|  | &LinkAddr{Index: 0}, | 
|  | &LinkAddr{Index: 2, Name: "em1", Addr: []byte{0x00, 0x0c, 0x29, 0x66, 0x2c, 0xdc}}, | 
|  | &Inet4Addr{IP: [4]byte{172, 16, 220, 180}}, | 
|  | nil, | 
|  | nil, | 
|  | nil, | 
|  | nil, | 
|  | &Inet4Addr{IP: [4]byte{172, 16, 220, 255}}, | 
|  | }, | 
|  | }, | 
|  | { | 
|  | sysRTA_NETMASK | sysRTA_IFP | sysRTA_IFA, | 
|  | parseKernelInetAddr, | 
|  | []byte{ | 
|  | 0x7, 0x0, 0x0, 0x0, 0xff, 0xff, 0xff, 0x0, | 
|  |  | 
|  | 0x18, 0x12, 0xa, 0x0, 0x87, 0x8, 0x0, 0x0, | 
|  | 0x76, 0x6c, 0x61, 0x6e, 0x35, 0x36, 0x38, 0x32, | 
|  | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | 
|  |  | 
|  | 0x10, 0x2, 0x0, 0x0, 0xa9, 0xfe, 0x0, 0x1, | 
|  | 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, | 
|  | }, | 
|  | []Addr{ | 
|  | nil, | 
|  | nil, | 
|  | &Inet4Addr{IP: [4]byte{255, 255, 255, 0}}, | 
|  | nil, | 
|  | &LinkAddr{Index: 10, Name: "vlan5682"}, | 
|  | &Inet4Addr{IP: [4]byte{169, 254, 0, 1}}, | 
|  | nil, | 
|  | nil, | 
|  | }, | 
|  | }, | 
|  | } | 
|  |  | 
|  | func TestParseAddrs(t *testing.T) { | 
|  | tests := parseAddrsLittleEndianTests | 
|  | if nativeEndian != littleEndian { | 
|  | t.Skip("no test for non-little endian machine yet") | 
|  | } | 
|  |  | 
|  | for i, tt := range tests { | 
|  | as, err := parseAddrs(tt.attrs, tt.fn, tt.b) | 
|  | if err != nil { | 
|  | t.Error(i, err) | 
|  | continue | 
|  | } | 
|  | as = as[:8] // the list varies between operating systems | 
|  | if !reflect.DeepEqual(as, tt.as) { | 
|  | t.Errorf("#%d: got %+v; want %+v", i, as, tt.as) | 
|  | continue | 
|  | } | 
|  | } | 
|  | } |