1 files changed, 35 insertions, 0 deletions
diff --git a/lib/btrfs/btrfstree/types_node_test.go b/lib/btrfs/btrfstree/types_node_test.go
new file mode 100644
index 0000000..040b90c
--- /dev/null
+++ b/lib/btrfs/btrfstree/types_node_test.go
@@ -0,0 +1,35 @@
+// Copyright (C) 2022  Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package btrfstree_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"git.lukeshu.com/btrfs-progs-ng/lib/binstruct"
+	"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfssum"
+	"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfstree"
+)
+
+func FuzzRoundTripNode(f *testing.F) {
+	f.Fuzz(func(t *testing.T, inDat []byte) {
+		t.Logf("dat=(%d)%q", len(inDat), inDat)
+		node := btrfstree.Node{
+			ChecksumType: btrfssum.TYPE_CRC32,
+		}
+		n, err := binstruct.Unmarshal(inDat, &node)
+		if err != nil {
+			t.Logf("err=%v", err)
+			//require.Equal(t, 0, n)
+		} else {
+			require.Equal(t, len(inDat), n)
+
+			outDat, err := binstruct.Marshal(node)
+			require.NoError(t, err)
+			require.Equal(t, inDat[:], outDat)
+		}
+	})
+}