private void VerifyCSharpFix <TCodeFixProvider, TDiagnosticAnalyzer>(string oldSourceAssertion, string newSourceAssertion)
where TCodeFixProvider : Microsoft.CodeAnalysis.CodeFixes.CodeFixProvider, new()
where TDiagnosticAnalyzer : Microsoft.CodeAnalysis.Diagnostics.DiagnosticAnalyzer, new()
{
var oldSource = GenerateCode.NumericAssertion(oldSourceAssertion);
var newSource = GenerateCode.NumericAssertion(newSourceAssertion);
DiagnosticVerifier.VerifyCSharpFix <TCodeFixProvider, TDiagnosticAnalyzer>(oldSource, newSource);
}