Fix ArrayBuilder capacity expansion bug

dotnet · Feb 16, 2018 · 1f3fb3b · 1f3fb3b
1 parent b28232c
commit 1f3fb3b
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/Microsoft.AspNetCore.Blazor/RenderTree/ArrayBuilder.cs b/src/Microsoft.AspNetCore.Blazor/RenderTree/ArrayBuilder.cs
@@ -57,7 +57,7 @@ public int Append(in T item)
         {
             if (_itemsInUse == _items.Length)
             {
-                SetCapacity(_itemsInUse * 2, preserveContents: true);
+                SetCapacity(_items.Length * 2, preserveContents: true);
             }
 
             var indexOfAppendedItem = _itemsInUse++;
@@ -72,7 +72,7 @@ internal int Append(T[] source, int startIndex, int length)
             var requiredCapacity = _itemsInUse + length;
             if (_items.Length < requiredCapacity)
             {
-                var candidateCapacity = _itemsInUse * 2;
+                var candidateCapacity = _items.Length * 2;
                 while (candidateCapacity < requiredCapacity)
                 {
                     candidateCapacity *= 2;