1 files changed, 102 insertions, 0 deletions
diff --git a/src/net/interface_linux_test.go b/src/net/interface_linux_test.go
new file mode 100644
index 000000000..d8800bd0c
--- /dev/null
+++ b/src/net/interface_linux_test.go
@@ -0,0 +1,102 @@
+// Copyright 2012 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 (
+	"fmt"
+	"os/exec"
+	"testing"
+)
+
+func (ti *testInterface) setBroadcast(suffix int) error {
+	ti.name = fmt.Sprintf("gotest%d", suffix)
+	xname, err := exec.LookPath("ip")
+	if err != nil {
+		return err
+	}
+	ti.setupCmds = append(ti.setupCmds, &exec.Cmd{
+		Path: xname,
+		Args: []string{"ip", "link", "add", ti.name, "type", "dummy"},
+	})
+	ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{
+		Path: xname,
+		Args: []string{"ip", "link", "delete", ti.name, "type", "dummy"},
+	})
+	return nil
+}
+
+func (ti *testInterface) setPointToPoint(suffix int, local, remote string) error {
+	ti.name = fmt.Sprintf("gotest%d", suffix)
+	ti.local = local
+	ti.remote = remote
+	xname, err := exec.LookPath("ip")
+	if err != nil {
+		return err
+	}
+	ti.setupCmds = append(ti.setupCmds, &exec.Cmd{
+		Path: xname,
+		Args: []string{"ip", "tunnel", "add", ti.name, "mode", "gre", "local", local, "remote", remote},
+	})
+	ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{
+		Path: xname,
+		Args: []string{"ip", "tunnel", "del", ti.name, "mode", "gre", "local", local, "remote", remote},
+	})
+	xname, err = exec.LookPath("ifconfig")
+	if err != nil {
+		return err
+	}
+	ti.setupCmds = append(ti.setupCmds, &exec.Cmd{
+		Path: xname,
+		Args: []string{"ifconfig", ti.name, "inet", local, "dstaddr", remote},
+	})
+	return nil
+}
+
+const (
+	numOfTestIPv4MCAddrs = 14
+	numOfTestIPv6MCAddrs = 18
+)
+
+var (
+	igmpInterfaceTable = []Interface{
+		{Name: "lo"},
+		{Name: "eth0"}, {Name: "eth1"}, {Name: "eth2"},
+		{Name: "eth0.100"}, {Name: "eth0.101"}, {Name: "eth0.102"}, {Name: "eth0.103"},
+		{Name: "device1tap2"},
+	}
+	igmp6InterfaceTable = []Interface{
+		{Name: "lo"},
+		{Name: "eth0"}, {Name: "eth1"}, {Name: "eth2"},
+		{Name: "eth0.100"}, {Name: "eth0.101"}, {Name: "eth0.102"}, {Name: "eth0.103"},
+		{Name: "device1tap2"},
+		{Name: "pan0"},
+	}
+)
+
+func TestParseProcNet(t *testing.T) {
+	defer func() {
+		if p := recover(); p != nil {
+			t.Fatalf("parseProcNetIGMP or parseProtNetIGMP6 panicked: %v", p)
+		}
+	}()
+
+	var ifmat4 []Addr
+	for _, ifi := range igmpInterfaceTable {
+		ifmat := parseProcNetIGMP("testdata/igmp", &ifi)
+		ifmat4 = append(ifmat4, ifmat...)
+	}
+	if len(ifmat4) != numOfTestIPv4MCAddrs {
+		t.Fatalf("parseProcNetIGMP returns %v addresses, expected %v", len(ifmat4), numOfTestIPv4MCAddrs)
+	}
+
+	var ifmat6 []Addr
+	for _, ifi := range igmp6InterfaceTable {
+		ifmat := parseProcNetIGMP6("testdata/igmp6", &ifi)
+		ifmat6 = append(ifmat6, ifmat...)
+	}
+	if len(ifmat6) != numOfTestIPv6MCAddrs {
+		t.Fatalf("parseProcNetIGMP6 returns %v addresses, expected %v", len(ifmat6), numOfTestIPv6MCAddrs)
+	}
+}