moved CreateOutputDirectory() into TestEnvironment

tests/ImageSharp.Tests/Drawing/BeziersTests.cs

@@ -17,7 +17,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByBezierLine()
         {
-            string path = this.CreateOutputDirectory("Drawing", "BezierLine");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "BezierLine");
             using (Image<Rgba32> image = new Image<Rgba32>(500, 500))
             {
                 image.Mutate(x => x.BackgroundColor(Rgba32.Blue)
@@ -53,7 +53,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedBezierLineWithOpacity()
         {
-            string path = this.CreateOutputDirectory("Drawing", "BezierLine");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "BezierLine");
 
             Rgba32 color = new Rgba32(Rgba32.HotPink.R, Rgba32.HotPink.G, Rgba32.HotPink.B, 150);
 

tests/ImageSharp.Tests/Drawing/DrawPathTests.cs

@@ -16,7 +16,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByPath()
         {
-            string path = this.CreateOutputDirectory("Drawing", "Path");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "Path");
             using (Image<Rgba32> image = new Image<Rgba32>(500, 500))
             {
                 LinearLineSegment linerSegemnt = new LinearLineSegment(
@@ -50,7 +50,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedPathWithOpacity()
         {
-            string path = this.CreateOutputDirectory("Drawing", "Path");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "Path");
 
             Rgba32 color = new Rgba32(Rgba32.HotPink.R, Rgba32.HotPink.G, Rgba32.HotPink.B, 150);
 
@@ -94,7 +94,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         public void PathExtendingOffEdgeOfImageShouldNotBeCropped()
         {
 
-            string path = this.CreateOutputDirectory("Drawing", "Path");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "Path");
             using (var image = new Image<Rgba32>(256, 256))
             {
                 image.Mutate(x => x.Fill(Rgba32.Black));

tests/ImageSharp.Tests/Drawing/FillPatternTests.cs

@@ -15,7 +15,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
     {
         private void Test(string name, Rgba32 background, IBrush<Rgba32> brush, Rgba32[,] expectedPattern)
         {
-            string path = this.CreateOutputDirectory("Fill", "PatternBrush");
+            string path = TestEnvironment.CreateOutputDirectory("Fill", "PatternBrush");
             using (Image<Rgba32> image = new Image<Rgba32>(20, 20))
             {
                 image.Mutate(x => x

tests/ImageSharp.Tests/Drawing/FillSolidBrushTests.cs

@@ -17,7 +17,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeFloodFilledWithColorOnDefaultBackground()
         {
-            string path = this.CreateOutputDirectory("Fill", "SolidBrush");
+            string path = TestEnvironment.CreateOutputDirectory("Fill", "SolidBrush");
             using (Image<Rgba32> image = new Image<Rgba32>(500, 500))
             {
                 image.Mutate(x => x
@@ -37,7 +37,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeFloodFilledWithColor()
         {
-            string path = this.CreateOutputDirectory("Fill", "SolidBrush");
+            string path = TestEnvironment.CreateOutputDirectory("Fill", "SolidBrush");
             using (Image<Rgba32> image = new Image<Rgba32>(500, 500))
             {
                 image.Mutate(x => x
@@ -57,7 +57,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeFloodFilledWithColorOpacity()
         {
-            string path = this.CreateOutputDirectory("Fill", "SolidBrush");
+            string path = TestEnvironment.CreateOutputDirectory("Fill", "SolidBrush");
             using (Image<Rgba32> image = new Image<Rgba32>(500, 500))
             {
                 Rgba32 color = new Rgba32(Rgba32.HotPink.R, Rgba32.HotPink.G, Rgba32.HotPink.B, 150);

tests/ImageSharp.Tests/Drawing/LineComplexPolygonTests.cs

@@ -17,7 +17,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByPolygonOutline()
         {
-            string path = this.CreateOutputDirectory("Drawing", "LineComplexPolygon");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "LineComplexPolygon");
 
             Polygon simplePath = new Polygon(new LinearLineSegment(
                             new Vector2(10, 10),
@@ -65,7 +65,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByPolygonOutlineNoOverlapping()
         {
-            string path = this.CreateOutputDirectory("Drawing", "LineComplexPolygon");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "LineComplexPolygon");
             Polygon simplePath = new Polygon(new LinearLineSegment(
                             new Vector2(10, 10),
                             new Vector2(200, 150),
@@ -113,7 +113,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByPolygonOutlineOverlapping()
         {
-            string path = this.CreateOutputDirectory("Drawing", "LineComplexPolygon");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "LineComplexPolygon");
             Polygon simplePath = new Polygon(new LinearLineSegment(
                             new Vector2(10, 10),
                             new Vector2(200, 150),
@@ -156,7 +156,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByPolygonOutlineDashed()
         {
-            string path = this.CreateOutputDirectory("Drawing", "LineComplexPolygon");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "LineComplexPolygon");
             Polygon simplePath = new Polygon(new LinearLineSegment(
                             new Vector2(10, 10),
                             new Vector2(200, 150),
@@ -180,7 +180,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedPolygonOutlineWithOpacity()
         {
-            string path = this.CreateOutputDirectory("Drawing", "LineComplexPolygon");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "LineComplexPolygon");
             Polygon simplePath = new Polygon(new LinearLineSegment(
                             new Vector2(10, 10),
                             new Vector2(200, 150),

tests/ImageSharp.Tests/Drawing/LineTests.cs

@@ -15,7 +15,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByPath()
         {
-            string path = this.CreateOutputDirectory("Drawing", "Lines");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "Lines");
             using (Image<Rgba32> image = new Image<Rgba32>(500, 500))
             {
                 image.Mutate(x => x
@@ -42,7 +42,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByPath_NoAntialias()
         {
-            string path = this.CreateOutputDirectory("Drawing", "Lines");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "Lines");
             using (Image<Rgba32> image = new Image<Rgba32>(500, 500))
             {
                 image.Mutate(x => x
@@ -70,7 +70,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByPathDashed()
         {
-            string path = this.CreateOutputDirectory("Drawing", "Lines");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "Lines");
             using (Image<Rgba32> image = new Image<Rgba32>(500, 500))
             {
                 image.Mutate(x => x
@@ -88,7 +88,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByPathDotted()
         {
-            string path = this.CreateOutputDirectory("Drawing", "Lines");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "Lines");
             using (Image<Rgba32> image = new Image<Rgba32>(500, 500))
             {
                 image.Mutate(x => x
@@ -106,7 +106,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByPathDashDot()
         {
-            string path = this.CreateOutputDirectory("Drawing", "Lines");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "Lines");
             using (Image<Rgba32> image = new Image<Rgba32>(500, 500))
             {
                 image.Mutate(x => x
@@ -124,7 +124,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByPathDashDotDot()
         {
-            string path = this.CreateOutputDirectory("Drawing", "Lines");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "Lines");
             Image<Rgba32> image = new Image<Rgba32>(500, 500);
 
             image.Mutate(x => x
@@ -140,7 +140,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedPathWithOpacity()
         {
-            string path = this.CreateOutputDirectory("Drawing", "Lines");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "Lines");
 
             Rgba32 color = new Rgba32(Rgba32.HotPink.R, Rgba32.HotPink.G, Rgba32.HotPink.B, 150);
 
@@ -171,7 +171,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByPathOutline()
         {
-            string path = this.CreateOutputDirectory("Drawing", "Lines");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "Lines");
 
             Image<Rgba32> image = new Image<Rgba32>(500, 500);
 

tests/ImageSharp.Tests/Drawing/PolygonTests.cs

@@ -18,7 +18,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByPolygonOutline()
         {
-            string path = this.CreateOutputDirectory("Drawing", "Polygons");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "Polygons");
 
             using (Image<Rgba32> image = new Image<Rgba32>(500, 500))
             {
@@ -48,7 +48,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedPolygonOutlineWithOpacity()
         {
-            string path = this.CreateOutputDirectory("Drawing", "Polygons");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "Polygons");
             SixLabors.Primitives.PointF[] simplePath = new SixLabors.Primitives.PointF[] {
                             new Vector2(10, 10),
                             new Vector2(200, 150),
@@ -83,7 +83,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByRectangleOutline()
         {
-            string path = this.CreateOutputDirectory("Drawing", "Polygons");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "Polygons");
 
             using (Image<Rgba32> image = new Image<Rgba32>(500, 500))
             {

tests/ImageSharp.Tests/Drawing/RecolorImageTest.cs

@@ -15,7 +15,7 @@ namespace SixLabors.ImageSharp.Tests
         [Fact]
         public void ImageShouldRecolorYellowToHotPink()
         {
-            string path = this.CreateOutputDirectory("Drawing", "RecolorImage");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "RecolorImage");
 
             RecolorBrush<Rgba32> brush = new RecolorBrush<Rgba32>(Rgba32.Yellow, Rgba32.HotPink, 0.2f);
 
@@ -32,7 +32,7 @@ namespace SixLabors.ImageSharp.Tests
         [Fact]
         public void ImageShouldRecolorYellowToHotPinkInARectangle()
         {
-            string path = this.CreateOutputDirectory("Drawing", "RecolorImage");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "RecolorImage");
 
             RecolorBrush<Rgba32> brush = new RecolorBrush<Rgba32>(Rgba32.Yellow, Rgba32.HotPink, 0.2f);
 

tests/ImageSharp.Tests/Drawing/SolidBezierTests.cs

@@ -14,7 +14,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByFilledPolygon()
         {
-            string path = this.CreateOutputDirectory("Drawing", "FilledBezier");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "FilledBezier");
             SixLabors.Primitives.PointF[] simplePath = new SixLabors.Primitives.PointF[] {
                         new Vector2(10, 400),
                         new Vector2(30, 10),
@@ -44,7 +44,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByFilledPolygonOpacity()
         {
-            string path = this.CreateOutputDirectory("Drawing", "FilledBezier");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "FilledBezier");
             SixLabors.Primitives.PointF[] simplePath = new SixLabors.Primitives.PointF[] {
                         new Vector2(10, 400),
                         new Vector2(30, 10),

tests/ImageSharp.Tests/Drawing/SolidComplexPolygonTests.cs

@@ -16,7 +16,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByPolygonOutline()
         {
-            string path = this.CreateOutputDirectory("Drawing", "ComplexPolygon");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "ComplexPolygon");
             Polygon simplePath = new Polygon(new LinearLineSegment(
                             new Vector2(10, 10),
                             new Vector2(200, 150),
@@ -49,7 +49,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedPolygonOutlineWithOverlap()
         {
-            string path = this.CreateOutputDirectory("Drawing", "ComplexPolygon");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "ComplexPolygon");
             Polygon simplePath = new Polygon(new LinearLineSegment(
                             new Vector2(10, 10),
                             new Vector2(200, 150),
@@ -80,7 +80,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedPolygonOutlineWithOpacity()
         {
-            string path = this.CreateOutputDirectory("Drawing", "ComplexPolygon");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "ComplexPolygon");
             Polygon simplePath = new Polygon(new LinearLineSegment(
                             new Vector2(10, 10),
                             new Vector2(200, 150),

tests/ImageSharp.Tests/Drawing/SolidPolygonTests.cs

@@ -19,7 +19,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByFilledPolygon()
         {
-            string path = this.CreateOutputDirectory("Drawing", "FilledPolygons");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "FilledPolygons");
             SixLabors.Primitives.PointF[] simplePath = new SixLabors.Primitives.PointF[] {
                             new Vector2(10, 10),
                             new Vector2(200, 150),
@@ -42,7 +42,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByFilledPolygonWithPattern()
         {
-            string path = this.CreateOutputDirectory("Drawing", "FilledPolygons");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "FilledPolygons");
             SixLabors.Primitives.PointF[] simplePath = new SixLabors.Primitives.PointF[] {
                             new Vector2(10, 10),
                             new Vector2(200, 150),
@@ -65,7 +65,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByFilledPolygonNoAntialias()
         {
-            string path = this.CreateOutputDirectory("Drawing", "FilledPolygons");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "FilledPolygons");
             SixLabors.Primitives.PointF[] simplePath = new SixLabors.Primitives.PointF[] {
                             new Vector2(10, 10),
                             new Vector2(200, 150),
@@ -95,7 +95,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByFilledPolygonImage()
         {
-            string path = this.CreateOutputDirectory("Drawing", "FilledPolygons");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "FilledPolygons");
             SixLabors.Primitives.PointF[] simplePath = new SixLabors.Primitives.PointF[] {
                             new Vector2(10, 10),
                             new Vector2(200, 150),
@@ -117,7 +117,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByFilledPolygonOpacity()
         {
-            string path = this.CreateOutputDirectory("Drawing", "FilledPolygons");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "FilledPolygons");
             SixLabors.Primitives.PointF[] simplePath = new SixLabors.Primitives.PointF[] {
                             new Vector2(10, 10),
                             new Vector2(200, 150),
@@ -145,7 +145,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByFilledRectangle()
         {
-            string path = this.CreateOutputDirectory("Drawing", "FilledPolygons");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "FilledPolygons");
 
             using (Image<Rgba32> image = new Image<Rgba32>(500, 500))
             {
@@ -172,7 +172,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByFilledTriangle()
         {
-            string path = this.CreateOutputDirectory("Drawing", "FilledPolygons");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "FilledPolygons");
 
             using (Image<Rgba32> image = new Image<Rgba32>(100, 100))
             {
@@ -193,7 +193,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByFilledSeptagon()
         {
-            string path = this.CreateOutputDirectory("Drawing", "FilledPolygons");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "FilledPolygons");
 
             Configuration config = Configuration.CreateDefaultInstance();
             config.ParallelOptions.MaxDegreeOfParallelism = 1;
@@ -209,7 +209,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedByFilledEllipse()
         {
-            string path = this.CreateOutputDirectory("Drawing", "FilledPolygons");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "FilledPolygons");
 
             Configuration config = Configuration.CreateDefaultInstance();
             config.ParallelOptions.MaxDegreeOfParallelism = 1;
@@ -226,7 +226,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing
         [Fact]
         public void ImageShouldBeOverlayedBySquareWithCornerClipped()
         {
-            string path = this.CreateOutputDirectory("Drawing", "FilledPolygons");
+            string path = TestEnvironment.CreateOutputDirectory("Drawing", "FilledPolygons");
 
             Configuration config = Configuration.CreateDefaultInstance();
             config.ParallelOptions.MaxDegreeOfParallelism = 1;

tests/ImageSharp.Tests/Drawing/Text/OutputText.cs

@@ -37,7 +37,7 @@ namespace SixLabors.ImageSharp.Tests.Drawing.Text
             {
                 img.Mutate(x => x.Fill(Rgba32.DarkBlue)
                    .DrawText("AB\nAB", new Font(this.Font, 50), Rgba32.Red, new Vector2(0, 0)));
-                img.Save($"{this.CreateOutputDirectory("Drawing", "Text")}/AB.png");
+                img.Save($"{TestEnvironment.CreateOutputDirectory("Drawing", "Text")}/AB.png");
             }
         }
     }

tests/ImageSharp.Tests/Formats/Bmp/BmpEncoderTests.cs

@@ -21,7 +21,7 @@ namespace SixLabors.ImageSharp.Tests
         [MemberData(nameof(BitsPerPixel))]
         public void BitmapCanEncodeDifferentBitRates(BmpBitsPerPixel bitsPerPixel)
         {
-            string path = this.CreateOutputDirectory("Bmp");
+            string path = TestEnvironment.CreateOutputDirectory("Bmp");
 
             foreach (TestFile file in Files)
             {

tests/ImageSharp.Tests/Formats/GeneralFormatTests.cs

@@ -26,7 +26,7 @@ namespace SixLabors.ImageSharp.Tests
         [Fact]
         public void ImageCanEncodeToString()
         {
-            string path = this.CreateOutputDirectory("ToString");
+            string path = TestEnvironment.CreateOutputDirectory("ToString");
 
             foreach (TestFile file in Files)
             {
@@ -41,7 +41,7 @@ namespace SixLabors.ImageSharp.Tests
         [Fact]
         public void DecodeThenEncodeImageFromStreamShouldSucceed()
         {
-            string path = this.CreateOutputDirectory("Encode");
+            string path = TestEnvironment.CreateOutputDirectory("Encode");
 
             foreach (TestFile file in Files)
             {
@@ -55,7 +55,7 @@ namespace SixLabors.ImageSharp.Tests
         [Fact]
         public void QuantizeImageShouldPreserveMaximumColorPrecision()
         {
-            string path = this.CreateOutputDirectory("Quantize");
+            string path = TestEnvironment.CreateOutputDirectory("Quantize");
 
             foreach (TestFile file in Files)
             {
@@ -95,7 +95,7 @@ namespace SixLabors.ImageSharp.Tests
         [Fact]
         public void ImageCanConvertFormat()
         {
-            string path = this.CreateOutputDirectory("Format");
+            string path = TestEnvironment.CreateOutputDirectory("Format");
 
             foreach (TestFile file in Files)
             {
@@ -127,7 +127,7 @@ namespace SixLabors.ImageSharp.Tests
         [Fact]
         public void ImageShouldPreservePixelByteOrderWhenSerialized()
         {
-            string path = this.CreateOutputDirectory("Serialized");
+            string path = TestEnvironment.CreateOutputDirectory("Serialized");
 
             foreach (TestFile file in Files)
             {

tests/ImageSharp.Tests/Formats/Jpg/LibJpegTools.cs

@@ -453,5 +453,10 @@ namespace SixLabors.ImageSharp.Tests
             double result = (double)totalDiff;
             return result / (count * Block8x8.Size);
         }
+
+        public static void RunDumpJpegCoeffsTool(string sourceFile, string destFile)
+        {
+            throw new NotImplementedException();
+        }
     }
 }

tests/ImageSharp.Tests/Formats/Jpg/SpectralJpegTests.cs

@@ -5,9 +5,11 @@ namespace SixLabors.ImageSharp.Tests
     using System.Collections.Generic;
     using System.IO;
     using System.Linq;
+    using System.Runtime.CompilerServices;
 
     using SixLabors.ImageSharp.Formats;
     using SixLabors.ImageSharp.Formats.Jpeg;
+    using SixLabors.ImageSharp.Formats.Jpeg.Common;
     using SixLabors.ImageSharp.Formats.Jpeg.GolangPort;
     using SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort;
     using SixLabors.ImageSharp.PixelFormats;
@@ -42,6 +44,13 @@ namespace SixLabors.ImageSharp.Tests
 
         public static readonly string[] AllTestJpegs = BaselineTestJpegs.Concat(ProgressiveTestJpegs).ToArray();
 
+        [Fact]
+        public void RunDumpJpegCoeffsTool()
+        {
+            string inputFile = TestFile.GetInputFileFullPath(TestImages.Jpeg.Progressive.Progress);
+            
+        }
+
         [Theory]
         [WithFileCollection(nameof(BaselineTestJpegs), PixelTypes.Rgba32)]
         public void BuildLibJpegSpectralResult<TPixel>(TestImageProvider<TPixel> provider)
@@ -59,6 +68,40 @@ namespace SixLabors.ImageSharp.Tests
             }   
         }
 
+        [Theory]
+        //[WithFileCollection(nameof(BaselineTestJpegs), PixelTypes.Rgba32)]
+        [WithFile(TestImages.Jpeg.Progressive.Progress, PixelTypes.Rgba32)]
+        public void HelloSerializedSpectralData<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : struct, IPixel<TPixel>
+        {
+            byte[] sourceBytes = TestFile.Create(provider.SourceFileOrDescription).Bytes;
+
+            using (var ms = new MemoryStream(sourceBytes))
+            {
+                //LibJpegTools.SpectralData data = LibJpegTools.SpectralData.Load(ms);
+                OldJpegDecoderCore dec = new OldJpegDecoderCore(Configuration.Default, new JpegDecoder());
+                dec.ParseStream(new MemoryStream(sourceBytes));
+
+                LibJpegTools.SpectralData data = LibJpegTools.SpectralData.LoadFromImageSharpDecoder(dec);
+                Assert.True(data.ComponentCount > 0);
+                this.Output.WriteLine($"ComponentCount: {data.ComponentCount}");
+
+                string comp0FileName = TestFile.GetInputFileFullPath(provider.SourceFileOrDescription + ".comp0");
+                if (!File.Exists(comp0FileName))
+                {
+                    this.Output.WriteLine("Missing file: " + comp0FileName);
+                }
+
+                byte[] stuff = File.ReadAllBytes(comp0FileName);
+
+                ref Block8x8 actual = ref Unsafe.As<byte, Block8x8>(ref stuff[0]);
+                ref Block8x8 expected = ref data.Components[0].Blocks[0];
+
+                Assert.Equal(actual, expected);
+                //this.SaveSpectralImage(provider, data);
+            }
+        }
+
         [Theory]
         [WithFileCollection(nameof(AllTestJpegs), PixelTypes.Rgba32)]
         public void PdfJsDecoder_ParseStream_SaveSpectralResult<TPixel>(TestImageProvider<TPixel> provider)

tests/ImageSharp.Tests/Image/ImageTests.cs

@@ -64,7 +64,7 @@ namespace SixLabors.ImageSharp.Tests
         [Fact]
         public void Save_DetecedEncoding()
         {
-            string dir = this.CreateOutputDirectory(nameof(ImageTests));
+            string dir = TestEnvironment.CreateOutputDirectory(nameof(ImageTests));
             string file = System.IO.Path.Combine(dir, "Save_DetecedEncoding.png");
 
             using (Image<Rgba32> image = new Image<Rgba32>(10, 10))
@@ -81,7 +81,7 @@ namespace SixLabors.ImageSharp.Tests
         [Fact]
         public void Save_WhenExtensionIsUnknown_Throws()
         {
-            string dir = this.CreateOutputDirectory(nameof(ImageTests));
+            string dir = TestEnvironment.CreateOutputDirectory(nameof(ImageTests));
             string file = System.IO.Path.Combine(dir, "Save_UnknownExtensionsEncoding_Throws.tmp");
 
             NotSupportedException ex = Assert.Throws<NotSupportedException>(
@@ -97,7 +97,7 @@ namespace SixLabors.ImageSharp.Tests
         [Fact]
         public void Save_SetEncoding()
         {
-            string dir = this.CreateOutputDirectory(nameof(ImageTests));
+            string dir = TestEnvironment.CreateOutputDirectory(nameof(ImageTests));
             string file = System.IO.Path.Combine(dir, "Save_SetEncoding.dat");
 
             using (Image<Rgba32> image = new Image<Rgba32>(10, 10))

tests/ImageSharp.Tests/TestBase.cs

@@ -12,29 +12,5 @@ namespace SixLabors.ImageSharp.Tests
     /// </summary>
     public abstract class TestBase
     {
-        /// <summary>
-        /// Creates the image output directory.
-        /// </summary>
-        /// <param name="path">The path.</param>
-        /// <param name="pathParts">The path parts.</param>
-        /// <returns>
-        /// The <see cref="string"/>.
-        /// </returns>
-        protected string CreateOutputDirectory(string path, params string[] pathParts)
-        {
-            path = Path.Combine(TestEnvironment.ActualOutputDirectoryFullPath, path);
-
-            if (pathParts != null && pathParts.Length > 0)
-            {
-                path = Path.Combine(path, Path.Combine(pathParts));
-            }
-
-            if (!Directory.Exists(path))
-            {
-                Directory.CreateDirectory(path);
-            }
-
-            return path;
-        }
     }
 }

tests/ImageSharp.Tests/TestUtilities/ImagingTestCaseUtility.cs

@@ -194,7 +194,7 @@ namespace SixLabors.ImageSharp.Tests
         internal string GetTestOutputDir()
         {
             string testGroupName = Path.GetFileNameWithoutExtension(this.TestGroupName);
-            return this.CreateOutputDirectory(testGroupName);
+            return TestEnvironment.CreateOutputDirectory(testGroupName);
         }
 
         public static void ModifyPixel<TPixel>(ImageBase<TPixel> img, int x, int y, byte perChannelChange)

tests/ImageSharp.Tests/TestUtilities/TestEnvironment.cs

@@ -27,13 +27,15 @@ namespace SixLabors.ImageSharp.Tests
 
         private const string ReferenceOutputDirectoryRelativePath = @"tests\Images\External\ReferenceOutput";
 
+        private const string ToolsDirectoryRelativePath = @"tests\Images\External\tools";
+
         private static Lazy<string> solutionDirectoryFullPath = new Lazy<string>(GetSolutionDirectoryFullPathImpl);
 
         private static Lazy<bool> runsOnCi = new Lazy<bool>(
             () =>
                 {
                     bool isCi;
-                    return bool.TryParse(Environment.GetEnvironmentVariable("CI"), out isCi) && isCi;
+                    return Boolean.TryParse(Environment.GetEnvironmentVariable("CI"), out isCi) && isCi;
                 });
 
         private static Lazy<Configuration> configuration = new Lazy<Configuration>(CreateDefaultConfiguration);
@@ -120,25 +122,26 @@ namespace SixLabors.ImageSharp.Tests
             return directory.FullName;
         }
 
+        private static string GetFullPath(string relativePath) => 
+            Path.Combine(SolutionDirectoryFullPath, relativePath)
+            .Replace('\\', Path.DirectorySeparatorChar);
+
         /// <summary>
         /// Gets the correct full path to the Input Images directory.
         /// </summary>
-        internal static string InputImagesDirectoryFullPath =>
+        internal static string InputImagesDirectoryFullPath => GetFullPath(InputImagesRelativePath);
-            Path.Combine(SolutionDirectoryFullPath, InputImagesRelativePath).Replace('\\', Path.DirectorySeparatorChar);
+        
-
         /// <summary>
         /// Gets the correct full path to the Actual Output directory. (To be written to by the test cases.)
         /// </summary>
-        internal static string ActualOutputDirectoryFullPath => Path.Combine(
+        internal static string ActualOutputDirectoryFullPath => GetFullPath(ActualOutputDirectoryRelativePath);
-            SolutionDirectoryFullPath,
-            ActualOutputDirectoryRelativePath).Replace('\\', Path.DirectorySeparatorChar);
 
         /// <summary>
         /// Gets the correct full path to the Expected Output directory. (To compare the test results to.)
         /// </summary>
-        internal static string ReferenceOutputDirectoryFullPath => Path.Combine(
+        internal static string ReferenceOutputDirectoryFullPath => GetFullPath(ReferenceOutputDirectoryRelativePath);
-            SolutionDirectoryFullPath,
+
-            ReferenceOutputDirectoryRelativePath).Replace('\\', Path.DirectorySeparatorChar);
+        internal static string ToolsDirectoryFullPath => GetFullPath(ToolsDirectoryRelativePath);
 
         internal static string GetReferenceOutputFileName(string actualOutputFileName) =>
             actualOutputFileName.Replace("ActualOutput", @"External\ReferenceOutput").Replace('\\', Path.DirectorySeparatorChar);
@@ -163,7 +166,33 @@ namespace SixLabors.ImageSharp.Tests
             return format;
         }
 
-        internal static bool IsLinux =>
+        internal static bool IsLinux => RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
-            System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
+
+        internal static bool IsWindows => RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
+
+        /// <summary>
+        /// Creates the image output directory.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <param name="pathParts">The path parts.</param>
+        /// <returns>
+        /// The <see cref="string"/>.
+        /// </returns>
+        internal static string CreateOutputDirectory(string path, params string[] pathParts)
+        {
+            path = Path.Combine(TestEnvironment.ActualOutputDirectoryFullPath, path);
+
+            if (pathParts != null && pathParts.Length > 0)
+            {
+                path = Path.Combine(path, Path.Combine(pathParts));
+            }
+
+            if (!Directory.Exists(path))
+            {
+                Directory.CreateDirectory(path);
+            }
+
+            return path;
+        }
     }
 }