Added a sanity check to LogicSignal::paint

[pulseview.git] / logicsignal.cpp

diff --git a/logicsignal.cpp b/logicsignal.cpp
index 8d2d00453fd38ed608a7edd08844a896e30a9d34..c42a610fb1c9c30fac8dd73e5b306b0340823570 100644 (file)
--- a/logicsignal.cpp
+++ b/logicsignal.cpp
@@ -89,6 +89,7 @@ void LogicSignal::paint(QPainter &p, const QRect &rect, double scale,
                min(max((int64_t)floor(start), (int64_t)0), last_sample),
                min(max((int64_t)ceil(end), (int64_t)0), last_sample),
                samples_per_pixel, _probe_index);
+       assert(edges.size() >= 2);
 
        // Paint the edges
        const unsigned int edge_count = edges.size() - 2;