|  | // Copyright 2013 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. | 
|  |  | 
|  | // +build cgo,!netgo | 
|  | // +build aix darwin dragonfly freebsd hurd linux netbsd openbsd solaris | 
|  |  | 
|  | package net | 
|  |  | 
|  | import ( | 
|  | "context" | 
|  | "testing" | 
|  | ) | 
|  |  | 
|  | func TestCgoLookupIP(t *testing.T) { | 
|  | defer dnsWaitGroup.Wait() | 
|  | ctx := context.Background() | 
|  | _, err, ok := cgoLookupIP(ctx, "ip", "localhost") | 
|  | if !ok { | 
|  | t.Errorf("cgoLookupIP must not be a placeholder") | 
|  | } | 
|  | if err != nil { | 
|  | t.Error(err) | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestCgoLookupIPWithCancel(t *testing.T) { | 
|  | defer dnsWaitGroup.Wait() | 
|  | ctx, cancel := context.WithCancel(context.Background()) | 
|  | defer cancel() | 
|  | _, err, ok := cgoLookupIP(ctx, "ip", "localhost") | 
|  | if !ok { | 
|  | t.Errorf("cgoLookupIP must not be a placeholder") | 
|  | } | 
|  | if err != nil { | 
|  | t.Error(err) | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestCgoLookupPort(t *testing.T) { | 
|  | defer dnsWaitGroup.Wait() | 
|  | ctx := context.Background() | 
|  | _, err, ok := cgoLookupPort(ctx, "tcp", "smtp") | 
|  | if !ok { | 
|  | t.Errorf("cgoLookupPort must not be a placeholder") | 
|  | } | 
|  | if err != nil { | 
|  | t.Error(err) | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestCgoLookupPortWithCancel(t *testing.T) { | 
|  | defer dnsWaitGroup.Wait() | 
|  | ctx, cancel := context.WithCancel(context.Background()) | 
|  | defer cancel() | 
|  | _, err, ok := cgoLookupPort(ctx, "tcp", "smtp") | 
|  | if !ok { | 
|  | t.Errorf("cgoLookupPort must not be a placeholder") | 
|  | } | 
|  | if err != nil { | 
|  | t.Error(err) | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestCgoLookupPTR(t *testing.T) { | 
|  | defer dnsWaitGroup.Wait() | 
|  | ctx := context.Background() | 
|  | _, err, ok := cgoLookupPTR(ctx, "127.0.0.1") | 
|  | if !ok { | 
|  | t.Errorf("cgoLookupPTR must not be a placeholder") | 
|  | } | 
|  | if err != nil { | 
|  | t.Error(err) | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestCgoLookupPTRWithCancel(t *testing.T) { | 
|  | defer dnsWaitGroup.Wait() | 
|  | ctx, cancel := context.WithCancel(context.Background()) | 
|  | defer cancel() | 
|  | _, err, ok := cgoLookupPTR(ctx, "127.0.0.1") | 
|  | if !ok { | 
|  | t.Errorf("cgoLookupPTR must not be a placeholder") | 
|  | } | 
|  | if err != nil { | 
|  | t.Error(err) | 
|  | } | 
|  | } |