From ab88e9472d2385a1b203162bdb1898c89baf7cb4 Mon Sep 17 00:00:00 2001
From: Marten Seemann <martenseemann@gmail.com>
Date: Tue, 9 May 2017 12:15:21 +0800
Subject: [PATCH] fix infinite loop in session test

fixes #598
The mockReceivedPacketHandler returned the same ACK frame over and over
again, so that the loop in session.sendPacket() would send packets
containing this packet indefinitely.
---
 session_test.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/session_test.go b/session_test.go
index e0307b874..0b63c1fe2 100644
--- a/session_test.go
+++ b/session_test.go
@@ -103,7 +103,11 @@ type mockReceivedPacketHandler struct {
 	nextAckFrame *frames.AckFrame
 }
 
-func (m *mockReceivedPacketHandler) GetAckFrame() *frames.AckFrame { return m.nextAckFrame }
+func (m *mockReceivedPacketHandler) GetAckFrame() *frames.AckFrame {
+	f := m.nextAckFrame
+	m.nextAckFrame = nil
+	return f
+}
 func (m *mockReceivedPacketHandler) ReceivedPacket(packetNumber protocol.PacketNumber, shouldInstigateAck bool) error {
 	panic("not implemented")
 }