1 files changed, 74 insertions, 0 deletions
diff --git a/pkg/sentry/fs/proc/net_test.go b/pkg/sentry/fs/proc/net_test.go
new file mode 100644
index 000000000..a31a20494
--- /dev/null
+++ b/pkg/sentry/fs/proc/net_test.go
@@ -0,0 +1,74 @@
+// Copyright 2018 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package proc
+
+import (
+	"reflect"
+	"testing"
+
+	"gvisor.googlesource.com/gvisor/pkg/abi/linux"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/inet"
+)
+
+func newIPv6TestStack() *inet.TestStack {
+	s := inet.NewTestStack()
+	s.SupportsIPv6Flag = true
+	return s
+}
+
+func TestIfinet6NoAddresses(t *testing.T) {
+	n := &ifinet6{s: newIPv6TestStack()}
+	if got := n.contents(); got != nil {
+		t.Errorf("Got n.contents() = %v, want = %v", got, nil)
+	}
+}
+
+func TestIfinet6(t *testing.T) {
+	s := newIPv6TestStack()
+	s.InterfacesMap[1] = inet.Interface{Name: "eth0"}
+	s.InterfaceAddrsMap[1] = []inet.InterfaceAddr{
+		{
+			Family:    linux.AF_INET6,
+			PrefixLen: 128,
+			Addr:      []byte("\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"),
+		},
+	}
+	s.InterfacesMap[2] = inet.Interface{Name: "eth1"}
+	s.InterfaceAddrsMap[2] = []inet.InterfaceAddr{
+		{
+			Family:    linux.AF_INET6,
+			PrefixLen: 128,
+			Addr:      []byte("\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"),
+		},
+	}
+	want := map[string]struct{}{
+		"000102030405060708090a0b0c0d0e0f 01 80 00 00     eth0\n": {},
+		"101112131415161718191a1b1c1d1e1f 02 80 00 00     eth1\n": {},
+	}
+
+	n := &ifinet6{s: s}
+	contents := n.contents()
+	if len(contents) != len(want) {
+		t.Errorf("Got len(n.contents()) = %d, want = %d", len(contents), len(want))
+	}
+	got := map[string]struct{}{}
+	for _, l := range contents {
+		got[l] = struct{}{}
+	}
+
+	if !reflect.DeepEqual(got, want) {
+		t.Errorf("Got n.contents() = %v, want = %v", got, want)
+	}
+}