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

danielgindi · danielgindi · commit 31dd1a53e26f · 2015-11-02T16:48:12.000+02:00
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
     }

Original file line number	Diff line number	Diff line change
`@@ -169,7 +169,7 @@ internal class BarChartHighlighter: ChartHighlighter`
`169`	`169`	`}`
`170`	`170`	`}`
`171`	`171`
`172`		`- let length = ranges!.count - 1`
	`172`	`+ let length = max(ranges!.count - 1, 0)`
`173`	`173`
`174`	`174`	`return (value > ranges![length].to) ? length : 0`
`175`	`175`	`}`