Change test images, add additional tests

tests/ImageSharp.Tests/Formats/Tga/TgaDecoderTests.cs

@@ -31,6 +31,30 @@ namespace SixLabors.ImageSharp.Tests.Formats.Tga
             }
         }
 
+        [Theory]
+        [WithFile(Bit15, PixelTypes.Rgba32)]
+        public void TgaDecoder_CanDecode_Uncompressed_15Bit<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : struct, IPixel<TPixel>
+        {
+            using (Image<TPixel> image = provider.GetImage(new TgaDecoder()))
+            {
+                image.DebugSave(provider);
+                CompareWithReferenceDecoder(provider, image);
+            }
+        }
+
+        [Theory]
+        [WithFile(Bit15Rle, PixelTypes.Rgba32)]
+        public void TgaDecoder_CanDecode_RunLengthEncoded_15Bit<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : struct, IPixel<TPixel>
+        {
+            using (Image<TPixel> image = provider.GetImage(new TgaDecoder()))
+            {
+                image.DebugSave(provider);
+                CompareWithReferenceDecoder(provider, image);
+            }
+        }
+
         [Theory]
         [WithFile(Bit16, PixelTypes.Rgba32)]
         public void TgaDecoder_CanDecode_Uncompressed_16Bit<TPixel>(TestImageProvider<TPixel> provider)
@@ -43,6 +67,18 @@ namespace SixLabors.ImageSharp.Tests.Formats.Tga
             }
         }
 
+        [Theory]
+        [WithFile(Bit16PalRle, PixelTypes.Rgba32)]
+        public void TgaDecoder_CanDecode_RunLengthEncoded_WithPalette_16Bit<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : struct, IPixel<TPixel>
+        {
+            using (Image<TPixel> image = provider.GetImage(new TgaDecoder()))
+            {
+                image.DebugSave(provider);
+                CompareWithReferenceDecoder(provider, image);
+            }
+        }
+
         [Theory]
         [WithFile(Bit24, PixelTypes.Rgba32)]
         public void TgaDecoder_CanDecode_Uncompressed_24Bit<TPixel>(TestImageProvider<TPixel> provider)
@@ -115,6 +151,30 @@ namespace SixLabors.ImageSharp.Tests.Formats.Tga
             }
         }
 
+        [Theory]
+        [WithFile(Bit16Pal, PixelTypes.Rgba32)]
+        public void TgaDecoder_CanDecode_WithPalette_16Bit<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : struct, IPixel<TPixel>
+        {
+            using (Image<TPixel> image = provider.GetImage(new TgaDecoder()))
+            {
+                image.DebugSave(provider);
+                CompareWithReferenceDecoder(provider, image);
+            }
+        }
+
+        [Theory]
+        [WithFile(Bit24Pal, PixelTypes.Rgba32)]
+        public void TgaDecoder_CanDecode_WithPalette_24Bit<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : struct, IPixel<TPixel>
+        {
+            using (Image<TPixel> image = provider.GetImage(new TgaDecoder()))
+            {
+                image.DebugSave(provider);
+                CompareWithReferenceDecoder(provider, image);
+            }
+        }
+
         private void CompareWithReferenceDecoder<TPixel>(TestImageProvider<TPixel> provider, Image<TPixel> image)
             where TPixel : struct, IPixel<TPixel>
         {

tests/ImageSharp.Tests/TestImages.cs

@@ -368,14 +368,19 @@ namespace SixLabors.ImageSharp.Tests
 
         public static class Tga
         {
-            public const string Bit32 = "Tga/bike_32bit.tga";
-            public const string Bit24 = "Tga/bike_24bit.tga";
-            public const string Bit16 = "Tga/bike_16bit.tga";
-            public const string Grey = "Tga/bike_8bit.tga";
-            public const string Bit32Rle = "Tga/bike_32bit_rle.tga";
-            public const string Bit24Rle = "Tga/bike_24bit_rle.tga";
-            public const string Bit16Rle = "Tga/bike_16bit_rle.tga";
-            public const string GreyRle = "Tga/bike_8bit_rle.tga";
+            public const string Bit15 = "Tga/rgb15.tga";
+            public const string Bit15Rle = "Tga/rgb15rle.tga";
+            public const string Bit16 = "Tga/targa_16bit.tga";
+            public const string Bit16PalRle = "Tga/ccm8.tga";
+            public const string Bit24 = "Tga/targa_24bit.tga";
+            public const string Bit32 = "Tga/targa_32bit.tga";
+            public const string Grey = "Tga/targa_8bit.tga";
+            public const string GreyRle = "Tga/targa_8bit_rle.tga";
+            public const string Bit16Rle = "Tga/targa_16bit_rle.tga";
+            public const string Bit24Rle = "Tga/targa_24bit_rle.tga";
+            public const string Bit32Rle = "Tga/targa_32bit_rle.tga";
+            public const string Bit16Pal = "Tga/targa_16bit_pal.tga";
+            public const string Bit24Pal = "Tga/targa_24bit_pal.tga";
         }
     }
 }