Merge branch '3.0'

Author: Krusen

BencodeNET.Tests/BencodeNET.Tests.csproj

@@ -1,7 +1,8 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net452</TargetFramework>
+    <TargetFrameworks>net472;netcoreapp2.0;netcoreapp2.2;netcoreapp3.0</TargetFrameworks>
+    <LangVersion>7.3</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
@@ -14,15 +15,14 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="AutoFixture" Version="4.8.0" />
-    <PackageReference Include="AutoFixture.AutoNSubstitute" Version="4.8.0" />
-    <PackageReference Include="AutoFixture.Xunit2" Version="4.8.0" />
-    <PackageReference Include="FluentAssertions" Version="5.6.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
-    <PackageReference Include="NSubstitute" Version="4.0.0" />
+    <PackageReference Include="AutoFixture" Version="4.11.0" />
+    <PackageReference Include="AutoFixture.AutoNSubstitute" Version="4.11.0" />
+    <PackageReference Include="AutoFixture.Xunit2" Version="4.11.0" />
+    <PackageReference Include="FluentAssertions" Version="5.9.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
+    <PackageReference Include="NSubstitute" Version="4.2.1" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
-    <DotNetCliToolReference Include="dotnet-xunit" Version="2.3.0-beta4-build3742" />
   </ItemGroup>
 
 </Project>

BencodeNET.Tests/Extensions.cs

@@ -1,5 +1,12 @@
-using System.IO;
+using System;
+using System.IO;
+using System.IO.Pipelines;
 using System.Text;
+using System.Threading.Tasks;
+using BencodeNET.IO;
+using BencodeNET.Objects;
+using BencodeNET.Parsing;
+using NSubstitute.Core;
 
 namespace BencodeNET.Tests
 {
@@ -18,5 +25,49 @@ internal static string AsString(this Stream stream, Encoding encoding)
             var sr = new StreamReader(stream, encoding);
             return sr.ReadToEnd();
         }
+
+        internal static void SkipBytes(this BencodeReader reader, int length)
+        {
+            reader.Read(new byte[length]);
+        }
+
+        internal static Task SkipBytesAsync(this PipeBencodeReader reader, int length)
+        {
+            return reader.ReadAsync(new byte[length]).AsTask();
+        }
+
+        internal static ConfiguredCall AndSkipsAhead(this ConfiguredCall call, int length)
+        {
+            return call.AndDoes(x => x.Arg<BencodeReader>().SkipBytes(length));
+        }
+
+        internal static ConfiguredCall AndSkipsAheadAsync(this ConfiguredCall call, int length)
+        {
+            return call.AndDoes(async x => await x.Arg<PipeBencodeReader>().SkipBytesAsync(length));
+        }
+
+        internal static async ValueTask<IBObject> ParseStringAsync(this IBObjectParser parser, string bencodedString)
+        {
+            var bytes = Encoding.UTF8.GetBytes(bencodedString).AsMemory();
+            var (reader, writer) = new Pipe();
+            await writer.WriteAsync(bytes);
+            writer.Complete();
+            return await parser.ParseAsync(reader);
+        }
+
+        internal static async ValueTask<T> ParseStringAsync<T>(this IBObjectParser<T> parser, string bencodedString) where T : IBObject
+        {
+            var bytes = Encoding.UTF8.GetBytes(bencodedString).AsMemory();
+            var (reader, writer) = new Pipe();
+            await writer.WriteAsync(bytes);
+            writer.Complete();
+            return await parser.ParseAsync(reader);
+        }
+
+        internal static void Deconstruct(this Pipe pipe, out PipeReader reader, out PipeWriter writer)
+        {
+            reader = pipe.Reader;
+            writer = pipe.Writer;
+        }
     }
 }