github.com/icodeface/tls@v0.0.0-20230910023335-34df9250cd12/internal/x/net/route/address_test.go (about)

     1  // Copyright 2016 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // +build darwin dragonfly freebsd netbsd openbsd
     6  
     7  package route
     8  
     9  import (
    10  	"reflect"
    11  	"testing"
    12  )
    13  
    14  type parseAddrsTest struct {
    15  	attrs uint
    16  	fn    func(int, []byte) (int, Addr, error)
    17  	b     []byte
    18  	as    []Addr
    19  }
    20  
    21  var parseAddrsLittleEndianTests = []parseAddrsTest{
    22  	{
    23  		sysRTA_DST | sysRTA_GATEWAY | sysRTA_NETMASK | sysRTA_BRD,
    24  		parseKernelInetAddr,
    25  		[]byte{
    26  			0x38, 0x12, 0x0, 0x0, 0xff, 0xff, 0xff, 0x0,
    27  			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
    28  			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
    29  			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
    30  			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
    31  			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
    32  			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
    33  
    34  			0x38, 0x12, 0x2, 0x0, 0x6, 0x3, 0x6, 0x0,
    35  			0x65, 0x6d, 0x31, 0x0, 0xc, 0x29, 0x66, 0x2c,
    36  			0xdc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
    37  			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
    38  			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
    39  			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
    40  			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
    41  
    42  			0x10, 0x2, 0x0, 0x0, 0xac, 0x10, 0xdc, 0xb4,
    43  			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
    44  
    45  			0x10, 0x2, 0x0, 0x0, 0xac, 0x10, 0xdc, 0xff,
    46  			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
    47  		},
    48  		[]Addr{
    49  			&LinkAddr{Index: 0},
    50  			&LinkAddr{Index: 2, Name: "em1", Addr: []byte{0x00, 0x0c, 0x29, 0x66, 0x2c, 0xdc}},
    51  			&Inet4Addr{IP: [4]byte{172, 16, 220, 180}},
    52  			nil,
    53  			nil,
    54  			nil,
    55  			nil,
    56  			&Inet4Addr{IP: [4]byte{172, 16, 220, 255}},
    57  		},
    58  	},
    59  	{
    60  		sysRTA_NETMASK | sysRTA_IFP | sysRTA_IFA,
    61  		parseKernelInetAddr,
    62  		[]byte{
    63  			0x7, 0x0, 0x0, 0x0, 0xff, 0xff, 0xff, 0x0,
    64  
    65  			0x18, 0x12, 0xa, 0x0, 0x87, 0x8, 0x0, 0x0,
    66  			0x76, 0x6c, 0x61, 0x6e, 0x35, 0x36, 0x38, 0x32,
    67  			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
    68  
    69  			0x10, 0x2, 0x0, 0x0, 0xa9, 0xfe, 0x0, 0x1,
    70  			0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
    71  		},
    72  		[]Addr{
    73  			nil,
    74  			nil,
    75  			&Inet4Addr{IP: [4]byte{255, 255, 255, 0}},
    76  			nil,
    77  			&LinkAddr{Index: 10, Name: "vlan5682"},
    78  			&Inet4Addr{IP: [4]byte{169, 254, 0, 1}},
    79  			nil,
    80  			nil,
    81  		},
    82  	},
    83  }
    84  
    85  func TestParseAddrs(t *testing.T) {
    86  	tests := parseAddrsLittleEndianTests
    87  	if nativeEndian != littleEndian {
    88  		t.Skip("no test for non-little endian machine yet")
    89  	}
    90  
    91  	for i, tt := range tests {
    92  		as, err := parseAddrs(tt.attrs, tt.fn, tt.b)
    93  		if err != nil {
    94  			t.Error(i, err)
    95  			continue
    96  		}
    97  		as = as[:8] // the list varies between operating systems
    98  		if !reflect.DeepEqual(as, tt.as) {
    99  			t.Errorf("#%d: got %+v; want %+v", i, as, tt.as)
   100  			continue
   101  		}
   102  	}
   103  }