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[pf3gnuchains/gcc-fork.git] / libgo / go / net / hosts_test.go
1 // Copyright 2009 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 package net
6
7 import (
8         "testing"
9 )
10
11 type hostTest struct {
12         host string
13         ips  []IP
14 }
15
16
17 var hosttests = []hostTest{
18         {"odin", []IP{
19                 IPv4(127, 0, 0, 2),
20                 IPv4(127, 0, 0, 3),
21                 ParseIP("::2"),
22         }},
23         {"thor", []IP{
24                 IPv4(127, 1, 1, 1),
25         }},
26         {"loki", []IP{}},
27         {"ullr", []IP{
28                 IPv4(127, 1, 1, 2),
29         }},
30         {"ullrhost", []IP{
31                 IPv4(127, 1, 1, 2),
32         }},
33 }
34
35 func TestLookupStaticHost(t *testing.T) {
36         p := hostsPath
37         hostsPath = "hosts_testdata"
38         for i := 0; i < len(hosttests); i++ {
39                 tt := hosttests[i]
40                 ips := lookupStaticHost(tt.host)
41                 if len(ips) != len(tt.ips) {
42                         t.Errorf("# of hosts = %v; want %v",
43                                 len(ips), len(tt.ips))
44                         return
45                 }
46                 for k, v := range ips {
47                         if tt.ips[k].String() != v {
48                                 t.Errorf("lookupStaticHost(%q) = %v; want %v",
49                                         tt.host, v, tt.ips[k])
50                         }
51                 }
52         }
53         hostsPath = p
54 }