net: add test cases for the both of netgo, cgo DNS lookups
Update #4078
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/14638043
diff --git a/src/pkg/net/cgo_unix_test.go b/src/pkg/net/cgo_unix_test.go
new file mode 100644
index 0000000..33566ce9
--- /dev/null
+++ b/src/pkg/net/cgo_unix_test.go
@@ -0,0 +1,24 @@
+// 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 darwin dragonfly freebsd linux netbsd openbsd
+
+package net
+
+import "testing"
+
+func TestCgoLookupIP(t *testing.T) {
+ host := "localhost"
+ _, err, ok := cgoLookupIP(host)
+ if !ok {
+ t.Errorf("cgoLookupIP must not be a placeholder")
+ }
+ if err != nil {
+ t.Errorf("cgoLookupIP failed: %v", err)
+ }
+ if _, err := goLookupIP(host); err != nil {
+ t.Errorf("goLookupIP failed: %v", err)
+ }
+}
