/// <summary>
/// Called to test a C# DiagnosticAnalyzer when applied on the inputted strings as a source
/// Note: input a DiagnosticResult for each Diagnostic expected
/// </summary>
/// <param name="sources">An array of strings to create source documents from to run the analyzers on</param>
/// <param name="expected">DiagnosticResults that should appear after the analyzer is run on the sources</param>
protected void VerifyDiagnostic(string[] sources, DiagnosticResult[] expected)
{
var actual = _diagnosticAnalyzer.GetSortedDiagnostics(sources, LanguageNames.CSharp);
var result = _diagnosticAnalyzer.VerifyDiagnosticResults(actual, expected);
result.Success.ShouldBe(true, result.ErrorMessage);
}
/// <summary>
/// General method that gets a collection of actual diagnostics found in the source after the analyzer is run,
/// then verifies each of them.
/// </summary>
/// <param name="sources">An array of strings to create source documents from to run the analyzers on</param>
/// <param name="language">The language of the classes represented by the source strings</param>
/// <param name="analyzer">The analyzer to be run on the source code</param>
/// <param name="expected">DiagnosticResults that should appear after the analyzer is run on the sources</param>
private static void InvokeAnalyzerAndVerifyDiagnostics(
string[] sources,
string language,
DiagnosticAnalyzer analyzer,
params DiagnosticResult[] expected)
{
var diagnostics = analyzer.GetSortedDiagnostics(language, sources);
DiagnosticsVerifier.VerifyResults(diagnostics, analyzer, expected);
}
