From aa774ce3ee35d21ee93d64b0c432cdbce39e4ea3 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 31 Jan 2016 17:20:36 +0200
Subject: [PATCH 1/1] Disallow negative timeouts for Timer::tick

---
 source/time/timer.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/source/time/timer.cpp b/source/time/timer.cpp
index be1d1ed..e0af57c 100644
--- a/source/time/timer.cpp
+++ b/source/time/timer.cpp
@@ -69,6 +69,9 @@ void Timer::tick()
 
 void Timer::tick(const TimeDelta &timeout)
 {
+	if(timeout<zero)
+		throw invalid_argument("Timer::tick");
+
 	do_tick(timeout);
 }
 
-- 
2.43.0