Fix DotTrace/DotMemory attribute ctors, fix #2554

Author: AndreyAkinshin

src/BenchmarkDotNet.Diagnostics.dotMemory/DotMemoryDiagnoser.cs

@@ -16,19 +16,10 @@
 
 namespace BenchmarkDotNet.Diagnostics.dotMemory
 {
-    public class DotMemoryDiagnoser : IProfiler
+    public class DotMemoryDiagnoser(Uri? nugetUrl = null, string? toolsDownloadFolder = null) : IProfiler
     {
-        private readonly Uri? nugetUrl;
-        private readonly string? toolsDownloadFolder;
-
         private DotMemoryTool? tool;
 
-        public DotMemoryDiagnoser(Uri? nugetUrl = null, string? toolsDownloadFolder = null)
-        {
-            this.nugetUrl = nugetUrl;
-            this.toolsDownloadFolder = toolsDownloadFolder;
-        }
-
         public IEnumerable<string> Ids => new[] { "DotMemory" };
         public string ShortName => "dotMemory";
 

src/BenchmarkDotNet.Diagnostics.dotMemory/DotMemoryDiagnoserAttribute.cs

@@ -13,9 +13,10 @@ public DotMemoryDiagnoserAttribute()
             Config = ManualConfig.CreateEmpty().AddDiagnoser(new DotMemoryDiagnoser());
         }
 
-        public DotMemoryDiagnoserAttribute(Uri? nugetUrl = null, string? toolsDownloadFolder = null)
+        public DotMemoryDiagnoserAttribute(string? nugetUrl = null, string? toolsDownloadFolder = null)
         {
-            Config = ManualConfig.CreateEmpty().AddDiagnoser(new DotMemoryDiagnoser(nugetUrl, toolsDownloadFolder));
+            var nugetUri = nugetUrl == null ? null : new Uri(nugetUrl);
+            Config = ManualConfig.CreateEmpty().AddDiagnoser(new DotMemoryDiagnoser(nugetUri, toolsDownloadFolder));
         }
     }
 }

src/BenchmarkDotNet.Diagnostics.dotTrace/DotTraceDiagnoser.cs

@@ -17,17 +17,8 @@
 
 namespace BenchmarkDotNet.Diagnostics.dotTrace
 {
-    public class DotTraceDiagnoser : IProfiler
+    public class DotTraceDiagnoser(Uri? nugetUrl = null, string? toolsDownloadFolder = null) : IProfiler
     {
-        private readonly Uri? nugetUrl;
-        private readonly string? toolsDownloadFolder;
-
-        public DotTraceDiagnoser(Uri? nugetUrl = null, string? toolsDownloadFolder = null)
-        {
-            this.nugetUrl = nugetUrl;
-            this.toolsDownloadFolder = toolsDownloadFolder;
-        }
-
         public IEnumerable<string> Ids => new[] { "DotTrace" };
         public string ShortName => "dotTrace";
 

src/BenchmarkDotNet.Diagnostics.dotTrace/DotTraceDiagnoserAttribute.cs

@@ -13,9 +13,10 @@ public DotTraceDiagnoserAttribute()
             Config = ManualConfig.CreateEmpty().AddDiagnoser(new DotTraceDiagnoser());
         }
 
-        public DotTraceDiagnoserAttribute(Uri? nugetUrl = null, string? toolsDownloadFolder = null)
+        public DotTraceDiagnoserAttribute(string? nugetUrl = null, string? toolsDownloadFolder = null)
         {
-            Config = ManualConfig.CreateEmpty().AddDiagnoser(new DotTraceDiagnoser(nugetUrl, toolsDownloadFolder));
+            var nugetUri = nugetUrl == null ? null : new Uri(nugetUrl);
+            Config = ManualConfig.CreateEmpty().AddDiagnoser(new DotTraceDiagnoser(nugetUri, toolsDownloadFolder));
         }
     }
 }