Added debug code to the sandbox

tests/ImageSharp.Tests.ProfilingSandbox/Program.cs

@@ -3,6 +3,7 @@
 
 using System;
 using System.Diagnostics;
+using System.IO;
 using SixLabors.ImageSharp.Tests.Formats.Jpg;
 using SixLabors.ImageSharp.Tests.PixelFormats.PixelOperations;
 using SixLabors.ImageSharp.Tests.ProfilingBenchmarks;
@@ -32,14 +33,76 @@ namespace SixLabors.ImageSharp.Tests.ProfilingSandbox
         /// </param>
         public static void Main(string[] args)
         {
-            LoadResizeSaveParallelMemoryStress.Run();
             // RunJpegEncoderProfilingTests();
             // RunJpegColorProfilingTests();
             // RunDecodeJpegProfilingTests();
             // RunToVector4ProfilingTest();
             // RunResizeProfilingTest();
 
-            // Console.ReadLine();
+            //Test_Performance(20);
+
+            //Test_DebugRun("chroma_444_16x16", true);
+            //Console.WriteLine();
+            //Test_DebugRun("chroma_420_16x16", true);
+            //Console.WriteLine();
+            //Test_DebugRun("444_14x14");
+            //Console.WriteLine();
+            //Test_DebugRun("baseline_4k_444", false);
+            //Console.WriteLine();
+            //Test_DebugRun("progressive_4k_444", true);
+            //Console.WriteLine();
+            //Test_DebugRun("baseline_4k_420", false);
+            //Console.WriteLine();
+            //Test_DebugRun("cmyk_jpeg");
+            //Console.WriteLine();
+            //Test_DebugRun("Channel_digital_image_CMYK_color");
+            //Console.WriteLine();
+
+
+            //Test_DebugRun("test_baseline_4k_444", false);
+            //Console.WriteLine();
+            //Test_DebugRun("test_progressive_4k_444", false);
+            //Console.WriteLine();
+            //Test_DebugRun("test_baseline_4k_420", false);
+            //Console.WriteLine();
+
+            // Binary size of this must be ~2096kb
+            //Test_DebugRun("422", true);
+
+            Test_DebugRun("baseline_s444_q100", true);
+            Test_DebugRun("progressive_s444_q100", true);
+
+            Console.ReadLine();
+        }
+
+        public static void Test_Performance(int iterations)
+        {
+            using var stream = new MemoryStream(File.ReadAllBytes("C:\\Users\\pl4nu\\Downloads\\progressive_4k_444.jpg"));
+            //using var stream = new MemoryStream(File.ReadAllBytes("C:\\Users\\pl4nu\\Downloads\\baseline_4k_444.jpg"));
+            var sw = new Stopwatch();
+            sw.Start();
+            for (int i = 0; i < iterations; i++)
+            {
+                using var img = Image.Load(stream);
+                stream.Position = 0;
+            }
+
+            sw.Stop();
+            Console.WriteLine($"Elapsed: {sw.ElapsedMilliseconds}ms\nPer invocation: {sw.ElapsedMilliseconds / iterations}ms");
+        }
+
+        public static void Test_DebugRun(string name, bool save = false)
+        {
+            Console.ForegroundColor = ConsoleColor.Red;
+            Console.WriteLine($"img: {name}");
+            Console.ResetColor();
+            using var img = Image.Load($"C:\\Users\\pl4nu\\Downloads\\{name}.jpg");
+
+            if (save)
+            {
+                img.SaveAsJpeg($"C:\\Users\\pl4nu\\Downloads\\test_{name}.jpg",
+                    new ImageSharp.Formats.Jpeg.JpegEncoder { Subsample = ImageSharp.Formats.Jpeg.JpegSubsample.Ratio444, Quality = 100 });
+            }
         }
 
         private static void RunJpegEncoderProfilingTests()