Merge pull request ChartsOrg#2167 from Bellabeat/fix

Fixes index out of range crash.
sokol8 · Feb 15, 2017 · 32e7c36 · 32e7c36
2 parents 32e0410 + f30d9b3
commit 32e7c36
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Source/Charts/Data/Implementations/Standard/ChartDataSet.swift b/Source/Charts/Data/Implementations/Standard/ChartDataSet.swift
@@ -184,6 +184,9 @@ open class ChartDataSet: ChartBaseDataSet
     /// if `i` is out of bounds, it may throw an out-of-bounds exception
     open override func entryForIndex(_ i: Int) -> ChartDataEntry?
     {
+        guard i >= 0 && i < _values.count else {
+            return nil
+        }
         return _values[i]
     }