metainfo/nodes_test.go | 15 +++++++++++++++

diff --git a/metainfo/nodes_test.go b/metainfo/nodes_test.go
index 9a76e1377dc687a2a4c867166eb5860cc500e471..585120b76f23f9405fa13b071524c738252497da 100644
--- a/metainfo/nodes_test.go
+++ b/metainfo/nodes_test.go
@@ -5,6 +5,8 @@ 	"testing"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+
+	"github.com/anacrolix/torrent/bencode"
 )
 
 func testFileNodesMatch(t *testing.T, file string, nodes []Node) {
@@ -38,3 +40,16 @@ 		"37.187.118.32:6881",
 		"83.128.223.71:23865",
 	})
 }
+
+func testMarshalMetainfo(t *testing.T, expected string, mi MetaInfo) {
+	b, err := bencode.Marshal(mi)
+	assert.NoError(t, err)
+	assert.EqualValues(t, expected, string(b))
+}
+
+func TestMarshalMetainfoNodes(t *testing.T) {
+	testMarshalMetainfo(t, "d4:infod4:name0:12:piece lengthi0e6:piecesleee", MetaInfo{})
+	testMarshalMetainfo(t, "d4:infod4:name0:12:piece lengthi0e6:pieceslee5:nodesl12:1.2.3.4:555514:not a hostportee", MetaInfo{
+		Nodes: []Node{"1.2.3.4:5555", "not a hostport"},
+	})
+}