Fixed possible out-of-bounds exception when no ranges are present

ChartsOrg · Nov 2, 2015 · 31dd1a5 · 31dd1a5
1 parent 530cbab
commit 31dd1a5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Charts/Classes/Highlight/BarChartHighlighter.swift b/Charts/Classes/Highlight/BarChartHighlighter.swift
@@ -169,7 +169,7 @@ internal class BarChartHighlighter: ChartHighlighter
             }
         }
 
-        let length = ranges!.count - 1
+        let length = max(ranges!.count - 1, 0)
 
         return (value > ranges![length].to) ? length : 0
     }