Drop support for .NET Core

.github/ISSUE_TEMPLATE/01_bug_report.yml

@@ -88,7 +88,7 @@ body:
       description: |
         Please provide more information on your .NET configuration:
           * Which version of Fluent Assertions are you using?
-          * Which .NET runtime and version are you targeting? E.g. .NET framework 4.6.1 or .NET Core 2.1.
+          * Which .NET runtime and version are you targeting? E.g. .NET framework 4.6.1 or .NET 7.0.
       placeholder: Configuration
     validations:
       required: false

README.md

@@ -14,7 +14,7 @@
 [![open issues](https://img.shields.io/github/issues/fluentassertions/fluentassertions)](https://github.com/fluentassertions/fluentassertions/issues)
 ![](https://img.shields.io/badge/release%20strategy-githubflow-orange.svg)
 
-A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, as well as .NET Core 2.1, .NET Core 3.0, .NET 6, .NET Standard 2.0 and 2.1.
+A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, as well as .NET 6, .NET Standard 2.0 and 2.1.
 
 See https://www.fluentassertions.com for [background information](https://fluentassertions.com/about/), [usage documentation](https://fluentassertions.com/introduction), an [extensibility guide](https://fluentassertions.com/extensibility/), support information and more [tips & tricks](https://fluentassertions.com/tips/).
 

Src/FluentAssertions/Common/MemberPathSegmentEqualityComparer.cs

@@ -40,7 +40,7 @@ private static bool IsIndexQualifier(string segment) =>
 
     public int GetHashCode(string obj)
     {
-#if NETCOREAPP2_1_OR_GREATER
+#if NET6_0_OR_GREATER
         return obj.GetHashCode(StringComparison.Ordinal);
 #else
         return obj.GetHashCode();

Src/FluentAssertions/Common/Services.cs

@@ -36,7 +36,7 @@ public static Configuration Configuration
     public static void ResetToDefaults()
     {
         Reflector = new FullFrameworkReflector();
-#if NETFRAMEWORK || NETCOREAPP
+#if NETFRAMEWORK || NET6_0_OR_GREATER
         ConfigurationStore = new ConfigurationStoreExceptionInterceptor(new AppSettingsConfigurationStore());
 #else
         ConfigurationStore = new NullConfigurationStore();

Src/FluentAssertions/FluentAssertions.csproj

@@ -2,7 +2,7 @@
 
   <!-- To reduce build times, we only enable analyzers for the newest TFM -->
   <PropertyGroup>
-    <TargetFrameworks>net47;net6.0;netcoreapp2.1;netcoreapp3.0;netstandard2.0;netstandard2.1</TargetFrameworks>
+    <TargetFrameworks>net47;net6.0;netstandard2.0;netstandard2.1</TargetFrameworks>
     <SignAssembly>True</SignAssembly>
     <AssemblyOriginatorKeyFile>FluentAssertions.snk</AssemblyOriginatorKeyFile>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
@@ -18,15 +18,15 @@
     <Authors>Dennis Doomen;Jonas Nyrup</Authors>
     <PackageDescription>
       A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or
-      BDD-style unit tests. Targets .NET Framework 4.7, .NET Core 2.1 and 3.0, .NET 6, as well as .NET Standard 2.0 and 2.1.
+      BDD-style unit tests. Targets .NET Framework 4.7, .NET 6, as well as .NET Standard 2.0 and 2.1.
       Supports the unit test frameworks MSTest2, NUnit3, XUnit2, MSpec, and NSpec3.
 
       Supported by InfoSupport B.V.
     </PackageDescription>
     <PackageProjectUrl>https://www.fluentassertions.com</PackageProjectUrl>
     <RepositoryUrl>https://github.com/fluentassertions/fluentassertions</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
-    <PackageTags>MSTest2;xUnit;NUnit;MSpec;NSpec;TDD;BDD;Fluent;netcore;netstandard;uwp</PackageTags>
+    <PackageTags>MSTest2;xUnit;NUnit;MSpec;NSpec;TDD;BDD;Fluent;netstandard;uwp</PackageTags>
     <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
     <PackageIcon>FluentAssertions.png</PackageIcon>
     <PackageReleaseNotes>See https://fluentassertions.com/releases/</PackageReleaseNotes>
@@ -62,24 +62,6 @@
         <PackageReference Include="System.Configuration.ConfigurationManager" Version="4.4.0" />
       </ItemGroup>
     </When>
-    <When Condition="'$(TargetFramework)' == 'netcoreapp3.0'">
-      <ItemGroup>
-        <Compile Remove="Common/NullConfigurationStore.cs" />
-        <Compile Remove="SystemExtensions.cs" />
-      </ItemGroup>
-      <ItemGroup>
-        <PackageReference Include="System.Configuration.ConfigurationManager" Version="4.4.0" />
-      </ItemGroup>
-    </When>
-    <When Condition="'$(TargetFramework)' == 'netcoreapp2.1'">
-      <ItemGroup>
-        <Compile Remove="Common/NullConfigurationStore.cs" />
-        <Compile Remove="SystemExtensions.cs" />
-      </ItemGroup>
-      <ItemGroup>
-        <PackageReference Include="System.Configuration.ConfigurationManager" Version="4.4.0" />
-      </ItemGroup>
-    </When>
     <When Condition="'$(TargetFramework)' == 'netstandard2.1'">
       <ItemGroup>
         <Compile Remove="Common/AppSettingsConfigurationStore.cs" />

Tests/FluentAssertions.Equivalency.Specs/CollectionSpecs.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
-using System.Collections.Immutable;
 using System.Collections.ObjectModel;
 using System.Linq;
 using FluentAssertions.Extensions;
@@ -311,21 +310,27 @@ public void When_collection_of_same_count_does_not_match_it_should_include_at_mo
             .Message.Should().Contain("[9]").And.NotContain("[10]");
     }
 
+#if NETFRAMEWORK || NET60_OR_GREATER
     [Fact]
     public void When_a_nullable_collection_does_not_match_it_should_throw()
     {
         // Arrange
-        var subject = new { Values = (ImmutableArray<int>?)ImmutableArray.Create(1, 2, 3) };
+        var subject = new { Values = (
+            System.Collections.Immutable.ImmutableArray<int>?)
+            System.Collections.Immutable.ImmutableArray.Create(1, 2, 3) };
 
         // Act
         Action act = () => subject.Should().BeEquivalentTo(new
         {
-            Values = (ImmutableArray<int>?)ImmutableArray.Create(1, 2, 4)
+            Values = (
+                System.Collections.Immutable.ImmutableArray<int>?)
+                System.Collections.Immutable.ImmutableArray.Create(1, 2, 4)
         });
 
         // Assert
         act.Should().Throw<XunitException>().WithMessage("Expected*Values[2]*to be 4, but found 3*");
     }
+#endif
 
     [Fact]
     public void

Tests/FluentAssertions.Equivalency.Specs/FluentAssertions.Equivalency.Specs.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net47;net6.0;netcoreapp2.0;netcoreapp2.1;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks>net47;net6.0;netstandard2.0;netstandard2.1</TargetFrameworks>
     <SignAssembly>True</SignAssembly>
     <AssemblyOriginatorKeyFile>..\..\Src\FluentAssertions\FluentAssertions.snk</AssemblyOriginatorKeyFile>
     <IsPackable>false</IsPackable>
@@ -24,29 +24,6 @@
     </PackageReference>
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp2.0'">
-    <PackageReference Include="xunit.runner.visualstudio" Version="[2.4.1]">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
-    </PackageReference>
-  </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp2.1'">
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="[17.3.2]" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="[2.4.3]">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
-    </PackageReference>
-  </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1'">
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="[2.4.5]">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
-    </PackageReference>
-  </ItemGroup>
-
   <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0">

Tests/FluentAssertions.Specs/Collections/CollectionAssertionSpecs.BeEquivalentTo.cs

@@ -1,5 +1,7 @@
 using System;
+#if NETFRAMEWORK || NET60_OR_GREATER
 using System.Collections.Immutable;
+#endif
 using System.Linq;
 using FluentAssertions.Execution;
 using Xunit;
@@ -137,6 +139,8 @@ public void When_asserting_collections_to_be_equivalent_but_subject_collection_i
                 "Expected collection not to be <null>*");
         }
 
+#if NETFRAMEWORK || NET60_OR_GREATER
+
         [Fact]
         public void Default_immutable_arrays_should_be_equivalent()
         {
@@ -158,6 +162,9 @@ public void Default_immutable_lists_should_be_equivalent()
             // Act / Assert
             collection.Should().BeEquivalentTo(collection1);
         }
+
+#endif
+
     }
 
     public class NotBeEquivalentTo
@@ -315,6 +322,7 @@ public void When_asserting_collections_not_to_be_equivalent_with_options_but_sub
                 .WithMessage("Expected actual not to be equivalent *failure message*, but found <null>.*");
         }
 
+#if NETFRAMEWORK || NET60_OR_GREATER
         [Fact]
         public void Default_immutable_array_should_not_be_equivalent_to_initialized_immutable_array()
         {
@@ -336,5 +344,6 @@ public void Immutable_array_should_not_be_equivalent_to_default_immutable_array(
             // Act / Assert
             collection.Should().NotBeEquivalentTo(collection1);
         }
+#endif
     }
 }

Tests/FluentAssertions.Specs/Common/TimeSpanExtensions.cs

@@ -3,7 +3,7 @@
 namespace FluentAssertions.Specs.Common;
 
 /// <summary>
-/// Implements extensions to <see cref="TimeSpan"/> available in .NET Core 2+, but not in .NET Framework.
+/// Implements extensions to <see cref="TimeSpan"/>
 /// </summary>
 public static class TimeSpanExtensions
 {

Tests/FluentAssertions.Specs/Events/EventAssertionSpecs.cs

@@ -1,4 +1,11 @@
-using System;
+#if !NETSTANDARD2_0
+
+#if NETFRAMEWORK
+using System.Reflection;
+using System.Reflection.Emit;
+#endif
+
+using System;
 using System.ComponentModel;
 using System.Linq;
 using FluentAssertions.Events;
@@ -7,10 +14,6 @@
 using FluentAssertions.Formatting;
 using Xunit;
 using Xunit.Sdk;
-#if NETFRAMEWORK
-using System.Reflection;
-using System.Reflection.Emit;
-#endif
 
 namespace FluentAssertions.Specs.Events;
 
@@ -1100,3 +1103,5 @@ public void RaiseEventWithSenderAndPropertyName(string propertyName)
         }
     }
 }
+
+#endif

Tests/FluentAssertions.Specs/Exceptions/AsyncFunctionExceptionAssertionSpecs.cs

@@ -2,11 +2,9 @@
 using System.Threading.Tasks;
 using FluentAssertions.Execution;
 using FluentAssertions.Extensions;
+using FluentAssertions.Specs.Common;
 using Xunit;
 using Xunit.Sdk;
-#if NETFRAMEWORK
-using FluentAssertions.Specs.Common;
-#endif
 
 namespace FluentAssertions.Specs.Exceptions;
 

Tests/FluentAssertions.Specs/Exceptions/FunctionExceptionAssertionSpecs.cs

@@ -2,11 +2,9 @@
 using System.Threading.Tasks;
 using FluentAssertions.Execution;
 using FluentAssertions.Extensions;
+using FluentAssertions.Specs.Common;
 using Xunit;
 using Xunit.Sdk;
-#if NETFRAMEWORK
-using FluentAssertions.Specs.Common;
-#endif
 
 namespace FluentAssertions.Specs.Exceptions;
 

Tests/FluentAssertions.Specs/Exceptions/NotThrowSpecs.cs

@@ -1,9 +1,7 @@
-#if NETFRAMEWORK
-using FluentAssertions.Specs.Common;
-#endif
-using System;
+using System;
 using System.Threading.Tasks;
 using FluentAssertions.Execution;
+using FluentAssertions.Specs.Common;
 using Xunit;
 using Xunit.Sdk;
 using static FluentAssertions.Extensions.FluentTimeSpanExtensions;

Tests/FluentAssertions.Specs/FluentAssertions.Specs.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net47;net6.0;netcoreapp2.0;netcoreapp2.1;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks>net47;net6.0;netstandard2.0;netstandard2.1</TargetFrameworks>
     <SignAssembly>True</SignAssembly>
     <AssemblyOriginatorKeyFile>..\..\Src\FluentAssertions\FluentAssertions.snk</AssemblyOriginatorKeyFile>
     <IsPackable>false</IsPackable>
@@ -28,29 +28,6 @@
     </PackageReference>
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp2.0'">
-    <PackageReference Include="xunit.runner.visualstudio" Version="[2.4.1]">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
-    </PackageReference>
-  </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp2.1'">
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="[17.3.2]" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="[2.4.3]">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
-    </PackageReference>
-  </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1'">
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="[2.4.5]">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
-    </PackageReference>
-  </ItemGroup>
-
   <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0">

Tests/FluentAssertions.Specs/Specialized/TaskOfTAssertionSpecs.cs

@@ -1,10 +1,8 @@
-#if NETFRAMEWORK
-using FluentAssertions.Specs.Common;
-#endif
-using System;
+using System;
 using System.Threading.Tasks;
 using FluentAssertions.Execution;
 using FluentAssertions.Extensions;
+using FluentAssertions.Specs.Common;
 using FluentAssertions.Specs.Exceptions;
 using Xunit;
 using Xunit.Sdk;

Tests/FluentAssertions.Specs/Types/TypeExtensionsSpecs.cs

@@ -1,5 +1,7 @@
 using System;
+#if NETFRAMEWORK || NET60_OR_GREATER
 using System.Collections.Immutable;
+#endif
 using System.Linq;
 using System.Reflection;
 using System.Runtime.CompilerServices;
@@ -191,12 +193,16 @@ public void When_checking_if_value_tuple_is_record_it_should_return_false()
         (42, "the answer").GetType().IsRecord().Should().BeFalse();
     }
 
+#if NETFRAMEWORK || NET60_OR_GREATER
+
     [Fact]
     public void When_checking_if_class_with_multiple_equality_methods_is_record_it_should_return_false()
     {
         typeof(ImmutableArray<int>).IsRecord().Should().BeFalse();
     }
 
+#endif
+
     private static MethodInfo GetFakeConversionOperator(Type type, string name, BindingFlags bindingAttr, Type returnType)
     {
         MethodInfo[] methods = type.GetMethods(bindingAttr);

docs/_config.yml

@@ -19,7 +19,7 @@ locale                   : "en-US"
 title                    : "Fluent Assertions"
 title_separator          : "-"
 name                     : "Dennis Doomen"
-description              : "A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, .NET Core 2.1 and 3.0, as well as .NET Standard 2.0 and 2.1."
+description              : "A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, .NET 6.0, as well as .NET Standard 2.0 and 2.1."
 url                      : "http://www.fluentassertions.com" # the base hostname & protocol for your site e.g. "https://mmistakes.github.io"
 baseurl                  : # the subpath of your site, e.g. "/blog"
 repository               : "fluentassertions/fluentassertions" # GitHub username/repo-name e.g. "mmistakes/minimal-mistakes"

docs/_pages/about.md

@@ -39,12 +39,12 @@ will fail with:
 
 ## Supported Frameworks and Libraries
 
-Fluent Assertions cross-compiles to .NET Framework 4.7, as well as .NET Core 2.1 and 3.0, .NET 6, .NET Standard 2.0 and 2.1.
+Fluent Assertions cross-compiles to .NET Framework 4.7, as well as .NET 6, .NET Standard 2.0 and 2.1.
 
 Because of that Fluent Assertions supports the following minimum platforms.
 
-* .NET Core 2.1 and 3.0
 * .NET Framework 4.7 and later
+* .NET 6.0 and later
 * Mono 5.4, Xamarin.iOS 10.14, Xamarin.Mac 3.8 and Xamarin.Android 8.0
 * Universal Windows Platform 10.0.16299 and later
 

docs/_pages/introduction.md

@@ -67,7 +67,7 @@ This chaining can make your unit tests a lot easier to read.
 
 Fluent Assertions supports a lot of different unit testing frameworks. Just add a reference to the corresponding test framework assembly to the unit test project. Fluent Assertions will automatically find the corresponding assembly and use it for throwing the framework-specific exceptions.
 
-If, for some unknown reason, Fluent Assertions fails to find the assembly, and you're running under .NET 4.7 or a .NET Core 3.0 project, try specifying the framework explicitly using a configuration setting in the project’s app.config. If it cannot find any of the supported frameworks, it will fall back to using a custom `AssertFailedException` exception class.
+If, for some unknown reason, Fluent Assertions fails to find the assembly, and you're running under .NET 4.7 or a .NET 6.0 project, try specifying the framework explicitly using a configuration setting in the project’s app.config. If it cannot find any of the supported frameworks, it will fall back to using a custom `AssertFailedException` exception class.
 
 ```xml
 <configuration>