CSharpAnalyzerVerifier`1.cs

using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp.Testing;
using Microsoft.CodeAnalysis.Diagnostics;
using Microsoft.CodeAnalysis.Testing;

namespace Funcky.Analyzers.Test;

public static partial class CSharpAnalyzerVerifier<TAnalyzer>
    where TAnalyzer : DiagnosticAnalyzer, new()
{
    /// <inheritdoc cref="AnalyzerVerifier{TAnalyzer, TTest, TVerifier}.Diagnostic()"/>
    public static DiagnosticResult Diagnostic()
        => CSharpAnalyzerVerifier<TAnalyzer, DefaultVerifier>.Diagnostic();

    /// <inheritdoc cref="AnalyzerVerifier{TAnalyzer, TTest, TVerifier}.Diagnostic(string)"/>
    public static DiagnosticResult Diagnostic(string diagnosticId)
        => CSharpAnalyzerVerifier<TAnalyzer, DefaultVerifier>.Diagnostic(diagnosticId);

    /// <inheritdoc cref="AnalyzerVerifier{TAnalyzer, TTest, TVerifier}.Diagnostic(DiagnosticDescriptor)"/>
    public static DiagnosticResult Diagnostic(DiagnosticDescriptor descriptor)
        => CSharpAnalyzerVerifier<TAnalyzer, DefaultVerifier>.Diagnostic(descriptor);

    /// <inheritdoc cref="AnalyzerVerifier{TAnalyzer, TTest, TVerifier}.VerifyAnalyzerAsync(string, DiagnosticResult[])"/>
    public static async Task VerifyAnalyzerAsync(string source, params DiagnosticResult[] expected)
    {
        var test = new Test
        {
            TestCode = source,
        };

        test.ExpectedDiagnostics.AddRange(expected);
        await test.RunAsync(CancellationToken.None);
    }
}