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      1 // Copyright 2011 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 proxy
      6 
      7 import (
      8 	"errors"
      9 	"net"
     10 	"reflect"
     11 	"testing"
     12 )
     13 
     14 type recordingProxy struct {
     15 	addrs []string
     16 }
     17 
     18 func (r *recordingProxy) Dial(network, addr string) (net.Conn, error) {
     19 	r.addrs = append(r.addrs, addr)
     20 	return nil, errors.New("recordingProxy")
     21 }
     22 
     23 func TestPerHost(t *testing.T) {
     24 	var def, bypass recordingProxy
     25 	perHost := NewPerHost(&def, &bypass)
     26 	perHost.AddFromString("localhost,*.zone,127.0.0.1,10.0.0.1/8,1000::/16")
     27 
     28 	expectedDef := []string{
     29 		"example.com:123",
     30 		"1.2.3.4:123",
     31 		"[1001::]:123",
     32 	}
     33 	expectedBypass := []string{
     34 		"localhost:123",
     35 		"zone:123",
     36 		"foo.zone:123",
     37 		"127.0.0.1:123",
     38 		"10.1.2.3:123",
     39 		"[1000::]:123",
     40 	}
     41 
     42 	for _, addr := range expectedDef {
     43 		perHost.Dial("tcp", addr)
     44 	}
     45 	for _, addr := range expectedBypass {
     46 		perHost.Dial("tcp", addr)
     47 	}
     48 
     49 	if !reflect.DeepEqual(expectedDef, def.addrs) {
     50 		t.Errorf("Hosts which went to the default proxy didn't match. Got %v, want %v", def.addrs, expectedDef)
     51 	}
     52 	if !reflect.DeepEqual(expectedBypass, bypass.addrs) {
     53 		t.Errorf("Hosts which went to the bypass proxy didn't match. Got %v, want %v", bypass.addrs, expectedBypass)
     54 	}
     55 }
     56