From 89bf58445fb1dcc0275c605c0e83abf82a9b9492 Mon Sep 17 00:00:00 2001
From: Ryan Nowak <nowakra@gmail.com>
Date: Sat, 10 Aug 2019 18:13:16 -0700
Subject: [PATCH] Use a ConcurrentDictionary

This is used from a bunch of static methods. Dictionary isn't thread
safe. Encountered this while debugging some other things.
---
 .../BasicTestApp/InteropTest/JavaScriptInterop.cs           | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Components/test/testassets/BasicTestApp/InteropTest/JavaScriptInterop.cs b/src/Components/test/testassets/BasicTestApp/InteropTest/JavaScriptInterop.cs
index a0f35c8040..f8b8c154e7 100644
--- a/src/Components/test/testassets/BasicTestApp/InteropTest/JavaScriptInterop.cs
+++ b/src/Components/test/testassets/BasicTestApp/InteropTest/JavaScriptInterop.cs
@@ -1,17 +1,17 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using Microsoft.JSInterop;
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
-using System.Text.Json;
 using System.Threading.Tasks;
+using Microsoft.JSInterop;
 
 namespace BasicTestApp.InteropTest
 {
     public class JavaScriptInterop
     {
-        public static IDictionary<string, object[]> Invocations = new Dictionary<string, object[]>();
+        public static ConcurrentDictionary<string, object[]> Invocations = new ConcurrentDictionary<string, object[]>();
 
         [JSInvokable]
         public static void ThrowException() => throw new InvalidOperationException("Threw an exception!");