From c87bdc91beb27dbf4d2869e72070eaf6ac8d1e22 Mon Sep 17 00:00:00 2001
From: Tnze <cjd001113@outlook.com>
Date: Sun, 26 Apr 2020 13:06:42 +0800
Subject: [PATCH] Add unit test for invalid long VarInt

---
 net/packet/packet_test.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/net/packet/packet_test.go b/net/packet/packet_test.go
index 4324fa1..c278ece 100644
--- a/net/packet/packet_test.go
+++ b/net/packet/packet_test.go
@@ -39,6 +39,16 @@ func TestUnpackVarInt(t *testing.T) {
 	}
 }
 
+func TestUnpackVarInt_TooLongData(t *testing.T) {
+	var vi VarInt
+	var data = []byte{0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x01}
+	if err := vi.Decode(bytes.NewReader(data)); err != nil {
+		t.Logf("unpack \"% x\" error: %v", data, err)
+	} else {
+		t.Errorf("unpack \"% x\" should be error, get %d", data, vi)
+	}
+}
+
 var VarLongs = []VarLong{0, 1, 2, 127, 128, 255, 2147483647, 9223372036854775807, -1, -2147483648, -9223372036854775808}
 
 var PackedVarLongs = [][]byte{