From 4a5bc76a341d601e0d699334f560aef823c7d151 Mon Sep 17 00:00:00 2001
From: Jakub Sobon <jakub.sobon@elohim.sk>
Date: Sat, 21 Nov 2020 18:37:06 -0500
Subject: [PATCH] Make BarChart panic after a number of Draws.

---
 widgets/barchart/barchart.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/widgets/barchart/barchart.go b/widgets/barchart/barchart.go
index 413d3e2e..098b010b 100644
--- a/widgets/barchart/barchart.go
+++ b/widgets/barchart/barchart.go
@@ -55,6 +55,8 @@ type BarChart struct {
 
 	// opts are the provided options.
 	opts *options
+
+	drawCount int
 }
 
 // New returns a new BarChart.
@@ -77,6 +79,11 @@ func (bc *BarChart) Draw(cvs *canvas.Canvas, meta *widgetapi.Meta) error {
 	bc.mu.Lock()
 	defer bc.mu.Unlock()
 
+	if bc.drawCount > 10 {
+		panic("drawCount panic")
+	}
+	bc.drawCount++
+
 	bc.lastWidth = cvs.Area().Dx()
 	needAr, err := area.FromSize(bc.minSize())
 	if err != nil {