Fix module, import configs, automate T4 builds

Author: JimBobSquarePants

.editorconfig

@@ -368,8 +368,6 @@ csharp_style_throw_expression = true:suggestion
 csharp_style_unused_value_expression_statement_preference = discard_variable:silent
 csharp_style_unused_value_assignment_preference = discard_variable:suggestion
 
-csharp_style_var_for_built_in_types = false:silent
+csharp_style_var_for_built_in_types = never
 csharp_style_var_when_type_is_apparent = true:warning
 csharp_style_var_elsewhere = false:warning
-
-csharp_prefer_simple_using_statement = false:silent

.gitmodules

@@ -2,3 +2,6 @@
 	path = tests/Images/External
 	url = https://github.com/SixLabors/Imagesharp.Tests.Images.git
 	branch = master
+[submodule "shared-infrastructure"]
+	path = shared-infrastructure
+	url = https://github.com/SixLabors/SharedInfrastructure

ImageSharp.sln

@@ -334,6 +334,7 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ImageSharp.Tests.ProfilingS
 EndProject
 Global
 	GlobalSection(SharedMSBuildProjectFiles) = preSolution
+		shared-infrastructure\src\SharedInfrastructure\SharedInfrastructure.projitems*{2aa31a1f-142c-43f4-8687-09abca4b3a26}*SharedItemsImports = 5
 		shared-infrastructure\src\SharedInfrastructure\SharedInfrastructure.projitems*{68a8cc40-6aed-4e96-b524-31b1158fdeea}*SharedItemsImports = 13
 	EndGlobalSection
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

shared-infrastructure

@@ -34,4 +34,6 @@
     <InternalsVisibleTo Include="SixLabors.ImageSharp.Tests" PublicKey="$(SixLaborsPublicKey)" />
   </ItemGroup>
 
+
+  
 </Project>

src/Directory.Build.props

@@ -52,4 +52,20 @@
   <!-- https://github.com/Microsoft/vstest/issues/411 -->
   <Target Name="VSTest" Condition="'$(IsTestProject)' == 'true'"/>
 
+  <ItemGroup>
+    <!--Shared config files that have to exist at root level.-->
+    <ConfigFilesToCopy Include="..\..\shared-infrastructure\.editorconfig;..\..\shared-infrastructure\.gitattributes" />
+  </ItemGroup>
+
+  <!--Ensures our config files are up to date.-->
+  <Target Name="CopyFiles" BeforeTargets="Build">
+    <Copy SourceFiles="@(ConfigFilesToCopy)" DestinationFolder="..\..\" />
+  </Target>
+  
+  <!-- Allows regenerating T4-generated files at build time using MsBuild -->
+  <Import Project="$(MSBuildExtensionsPath)\Microsoft\VisualStudio\v$(VisualStudioVersion)\TextTemplating\Microsoft.TextTemplating.targets" />
+  <PropertyGroup>
+    <TransformOnBuild>true</TransformOnBuild>
+  </PropertyGroup>
+  
 </Project>

src/Directory.Build.targets

@@ -22,7 +22,7 @@ public static void MustBeValueType<TValue>(TValue value, string parameterName)
         {
             if (!value.GetType().GetTypeInfo().IsValueType)
             {
-                ThrowArgumentException("Type must be a struct.", parameterName);
+                ThrowHelper.ThrowArgumentException("Type must be a struct.", parameterName);
             }
         }
     }

src/ImageSharp/Common/Helpers/Guard.cs

@@ -37,6 +37,11 @@
   </ItemGroup>
 
   <ItemGroup>
+    <Compile Update="..\..\shared-infrastructure\src\SharedInfrastructure\Guard.Numeric.cs">
+      <DesignTime>True</DesignTime>
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Guard.Numeric.tt</DependentUpon>
+    </Compile>    
     <Compile Update="Formats\Jpeg\Components\Block8x8F.Generated.cs">
       <DesignTime>True</DesignTime>
       <AutoGen>True</AutoGen>
@@ -202,12 +207,14 @@
       <LastGenOutput>DefaultPixelBlenders.Generated.cs</LastGenOutput>
       <Generator>TextTemplatingFileGenerator</Generator>
     </None>
+    <None Update="..\..\shared-infrastructure\src\SharedInfrastructure\Guard.Numeric.tt">
+      <LastGenOutput>Guard.Numeric.cs</LastGenOutput>
+    </None>
   </ItemGroup>
 
   <ItemGroup>
     <Service Include="{508349B6-6B84-4DF5-91F0-309BEEBAD82D}" />
   </ItemGroup>
 
   <Import Project="..\..\shared-infrastructure\src\SharedInfrastructure\SharedInfrastructure.projitems" Label="Shared" />
-
 </Project>

src/ImageSharp/ImageSharp.csproj

@@ -13,7 +13,6 @@ internal static partial class PorterDuffFunctions
 
 
 
-
         /// <summary>
         /// Returns the result of the "NormalSrc" compositing equation.
         /// </summary>
@@ -419,7 +418,6 @@ public static TPixel NormalXor<TPixel>(TPixel backdrop, TPixel source, float opa
             return dest;
         }
 
-
         /// <summary>
         /// Returns the result of the "MultiplySrc" compositing equation.
         /// </summary>
@@ -825,7 +823,6 @@ public static TPixel MultiplyXor<TPixel>(TPixel backdrop, TPixel source, float o
             return dest;
         }
 
-
         /// <summary>
         /// Returns the result of the "AddSrc" compositing equation.
         /// </summary>
@@ -1231,7 +1228,6 @@ public static TPixel AddXor<TPixel>(TPixel backdrop, TPixel source, float opacit
             return dest;
         }
 
-
         /// <summary>
         /// Returns the result of the "SubtractSrc" compositing equation.
         /// </summary>
@@ -1637,7 +1633,6 @@ public static TPixel SubtractXor<TPixel>(TPixel backdrop, TPixel source, float o
             return dest;
         }
 
-
         /// <summary>
         /// Returns the result of the "ScreenSrc" compositing equation.
         /// </summary>
@@ -2043,7 +2038,6 @@ public static TPixel ScreenXor<TPixel>(TPixel backdrop, TPixel source, float opa
             return dest;
         }
 
-
         /// <summary>
         /// Returns the result of the "DarkenSrc" compositing equation.
         /// </summary>
@@ -2449,7 +2443,6 @@ public static TPixel DarkenXor<TPixel>(TPixel backdrop, TPixel source, float opa
             return dest;
         }
 
-
         /// <summary>
         /// Returns the result of the "LightenSrc" compositing equation.
         /// </summary>
@@ -2855,7 +2848,6 @@ public static TPixel LightenXor<TPixel>(TPixel backdrop, TPixel source, float op
             return dest;
         }
 
-
         /// <summary>
         /// Returns the result of the "OverlaySrc" compositing equation.
         /// </summary>
@@ -3261,7 +3253,6 @@ public static TPixel OverlayXor<TPixel>(TPixel backdrop, TPixel source, float op
             return dest;
         }
 
-
         /// <summary>
         /// Returns the result of the "HardLightSrc" compositing equation.
         /// </summary>

src/ImageSharp/PixelFormats/PixelBlenders/PorterDuffFunctions.Generated.cs

@@ -43,7 +43,7 @@ public void AddNewFrame_Frame_FramesNotBeNull()
                         this.Collection.AddFrame((ImageFrame<Rgba32>)null);
                     });
 
-                Assert.StartsWith("Value cannot be null.", ex.Message);
+                Assert.StartsWith("Parameter \"frame\" must be not null.", ex.Message);
             }
 
             [Fact]
@@ -57,7 +57,7 @@ public void AddNewFrame_PixelBuffer_DataMustNotBeNull()
                         this.Collection.AddFrame(data);
                     });
 
-                Assert.StartsWith("Value cannot be null.", ex.Message);
+                Assert.StartsWith("Parameter \"source\" must be not null.", ex.Message);
             }
 
             [Fact]
@@ -69,7 +69,7 @@ public void AddNewFrame_PixelBuffer_BufferIncorrectSize()
                         this.Collection.AddFrame(new Rgba32[0]);
                     });
 
-                Assert.StartsWith("Value 0 must be greater than or equal to 100.", ex.Message);
+                Assert.StartsWith($"Parameter \"data\" ({typeof(int)}) must be greater than or equal to {100}, was {0}", ex.Message);
             }
 
             [Fact]
@@ -93,7 +93,7 @@ public void InsertNewFrame_FramesNotBeNull()
                         this.Collection.InsertFrame(1, null);
                     });
 
-                Assert.StartsWith("Value cannot be null.", ex.Message);
+                Assert.StartsWith("Parameter \"frame\" must be not null.", ex.Message);
             }
 
             [Fact]