-Tests

Src/Newtonsoft.Json.TestConsole/Program.cs

@@ -37,7 +37,7 @@ namespace Newtonsoft.Json.TestConsole
             string version = FileVersionInfo.GetVersionInfo(typeof(JsonConvert).Assembly.Location).FileVersion;
             Console.WriteLine("Json.NET Version: " + version);
 
-            new BenchmarkSwitcher(new [] { typeof(SerializeBenchmarks), typeof(DeserializeBenchmarks) }).Run(new[] { "*" });
+            new BenchmarkSwitcher(new [] { typeof(LowLevelBenchmarks) }).Run(new[] { "*" });
         }
     }
 }

Src/Newtonsoft.Json.Tests/Benchmarks/LowLevelBenchmarks.cs

@@ -26,6 +26,7 @@
 #if HAVE_BENCHMARKS
 
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
@@ -42,6 +43,34 @@ namespace Newtonsoft.Json.Tests.Benchmarks
         private const string FloatText = "123.123";
         private static readonly char[] FloatChars = FloatText.ToCharArray();
 
+        private static readonly Dictionary<string, object> NormalDictionary = new Dictionary<string, object>();
+
+        private static readonly ConcurrentDictionary<string, object> ConcurrentDictionary = new ConcurrentDictionary<string, object>();
+
+        static LowLevelBenchmarks()
+        {
+            for (int i = 0; i < 10; i++)
+            {
+                string key = i.ToString();
+                object value = new object();
+
+                NormalDictionary.Add(key, value);
+                ConcurrentDictionary.TryAdd(key, value);
+            }
+        }
+
+        [Benchmark]
+        public void DictionaryGet()
+        {
+            NormalDictionary.TryGetValue("one", out object _);
+        }
+
+        [Benchmark]
+        public void ConcurrentDictionaryGet()
+        {
+            ConcurrentDictionary.TryGetValue("one", out object _);
+        }
+
         [Benchmark]
         public void DecimalTryParseString()
         {