move jpeg SpanExtensions into test utils

tests/ImageSharp.Tests/Formats/Jpg/Utils/JpegUtilityTestFixture.cs

@@ -77,7 +77,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.Jpg.Utils
         }
 
         internal static float[] Create8x8RandomFloatData(int minValue, int maxValue, int seed = 42)
-            => ImageSharp.Formats.Jpeg.GolangPort.Utils.SpanExtensions.ConvertAllToFloat(Create8x8RandomIntData(minValue, maxValue, seed));
+            => SpanExtensions.ConvertAllToFloat(Create8x8RandomIntData(minValue, maxValue, seed));
 
         internal void Print8x8Data<T>(T[] data) => this.Print8x8Data(new Span<T>(data));
 

src/ImageSharp/Formats/Jpeg/GolangPort/Utils/MutableSpanExtensions.cs → tests/ImageSharp.Tests/Formats/Jpg/Utils/SpanExtensions.cs

@@ -1,12 +1,11 @@
 // Copyright (c) Six Labors and contributors.
 // Licensed under the Apache License, Version 2.0.
 
-using System.Numerics;
-using System.Runtime.CompilerServices;
-
-namespace SixLabors.ImageSharp.Formats.Jpeg.GolangPort.Utils
+namespace SixLabors.ImageSharp.Tests.Formats.Jpg.Utils
 {
     using System;
+    using System.Numerics;
+    using System.Runtime.CompilerServices;
 
     /// <summary>
     /// Span Extensions
@@ -85,22 +84,6 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.GolangPort.Utils
             return result;
         }
 
-        /// <summary>
-        /// Converts all float values of src to int
-        /// </summary>
-        /// <param name="src">Source</param>
-        /// <returns>A new <see cref="Span{T}"/> with float values</returns>
-        public static Span<int> ConvertToInt32Span(this Span<float> src)
-        {
-            int[] result = new int[src.Length];
-            for (int i = 0; i < src.Length; i++)
-            {
-                result[i] = (int)src[i];
-            }
-
-            return result;
-        }
-
         /// <summary>
         /// Add a scalar to all values of src
         /// </summary>
@@ -134,22 +117,5 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.GolangPort.Utils
 
             return result;
         }
-
-        /// <summary>
-        /// Copy all values in src to a new <see cref="Span{T}"/> instance
-        /// </summary>
-        /// <typeparam name="T">Element type</typeparam>
-        /// <param name="src">The source</param>
-        /// <returns>A new instance of <see cref="Span{T}"/></returns>
-        public static Span<T> Copy<T>(this Span<T> src)
-        {
-            T[] result = new T[src.Length];
-            for (int i = 0; i < src.Length; i++)
-            {
-                result[i] = src[i];
-            }
-
-            return result;
-        }
     }
 }

tests/ImageSharp.Tests/ImageSharp.Tests.csproj

@@ -40,6 +40,5 @@
   </ItemGroup>
   <ItemGroup>
     <Folder Include="TestUtilities\Factories\" />
-    <Folder Include="Utils\Jpg\Formats\" />
   </ItemGroup>
 </Project>