Merge pull request #4006 from UberNick/master

Added a safety check before an unsafe array operation
ChartsOrg · Jun 10, 2019 · e850593 · e850593
2 parents 899fe1d + e6b01f7
commit e850593
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/Source/Charts/Renderers/PieChartRenderer.swift b/Source/Charts/Renderers/PieChartRenderer.swift
@@ -880,7 +880,9 @@ open class PieChartRenderer: DataRenderer
 
         // Prepend selected slices before the already rendered unselected ones.
         // NOTE: - This relies on drawDataSet() being called before drawHighlighted in PieChartView.
-        accessibleChartElements.insert(contentsOf: highlightedAccessibleElements, at: 1)
+        if !accessibleChartElements.isEmpty {
+            accessibleChartElements.insert(contentsOf: highlightedAccessibleElements, at: 1)
+        }
 
         context.restoreGState()
     }