1 files changed, 90 insertions, 0 deletions
diff --git a/src/pkg/net/interface_test.go b/src/pkg/net/interface_test.go
new file mode 100644
index 000000000..938434623
--- /dev/null
+++ b/src/pkg/net/interface_test.go
@@ -0,0 +1,90 @@
+// Copyright 2011 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.
+
+package net
+
+import (
+	"bytes"
+	"testing"
+)
+
+func sameInterface(i, j *Interface) bool {
+	if i == nil || j == nil {
+		return false
+	}
+	if i.Index == j.Index && i.Name == j.Name && bytes.Equal(i.HardwareAddr, j.HardwareAddr) {
+		return true
+	}
+	return false
+}
+
+func interfaceFlagsString(ifi *Interface) string {
+	fs := "<"
+	if ifi.IsUp() {
+		fs += "UP,"
+	}
+	if ifi.CanBroadcast() {
+		fs += "BROADCAST,"
+	}
+	if ifi.IsLoopback() {
+		fs += "LOOPBACK,"
+	}
+	if ifi.IsPointToPoint() {
+		fs += "POINTOPOINT,"
+	}
+	if ifi.CanMulticast() {
+		fs += "MULTICAST,"
+	}
+	if len(fs) > 1 {
+		fs = fs[:len(fs)-1]
+	}
+	fs += ">"
+	return fs
+}
+
+func TestInterfaces(t *testing.T) {
+	ift, err := Interfaces()
+	if err != nil {
+		t.Fatalf("Interfaces() failed: %v", err)
+	}
+	t.Logf("table: len/cap = %v/%v\n", len(ift), cap(ift))
+
+	for _, ifi := range ift {
+		ifxi, err := InterfaceByIndex(ifi.Index)
+		if err != nil {
+			t.Fatalf("InterfaceByIndex(%#q) failed: %v", ifi.Index, err)
+		}
+		if !sameInterface(ifxi, &ifi) {
+			t.Fatalf("InterfaceByIndex(%#q) = %v, want %v", ifi.Index, *ifxi, ifi)
+		}
+		ifxn, err := InterfaceByName(ifi.Name)
+		if err != nil {
+			t.Fatalf("InterfaceByName(%#q) failed: %v", ifi.Name, err)
+		}
+		if !sameInterface(ifxn, &ifi) {
+			t.Fatalf("InterfaceByName(%#q) = %v, want %v", ifi.Name, *ifxn, ifi)
+		}
+		ifat, err := ifi.Addrs()
+		if err != nil {
+			t.Fatalf("Interface.Addrs() failed: %v", err)
+		}
+		t.Logf("%s: flags %s, ifindex %v, mtu %v\n", ifi.Name, interfaceFlagsString(&ifi), ifi.Index, ifi.MTU)
+		for _, ifa := range ifat {
+			t.Logf("\tinterface address %s\n", ifa.String())
+		}
+		t.Logf("\thardware address %v", ifi.HardwareAddr.String())
+	}
+}
+
+func TestInterfaceAddrs(t *testing.T) {
+	ifat, err := InterfaceAddrs()
+	if err != nil {
+		t.Fatalf("InterfaceAddrs() failed: %v", err)
+	}
+	t.Logf("table: len/cap = %v/%v\n", len(ifat), cap(ifat))
+
+	for _, ifa := range ifat {
+		t.Logf("interface address %s\n", ifa.String())
+	}
+}