public void UnapprovedNamespace_ApproveNamespaceExternally_NoDiagnostic() { var sampleCode = @" namespace <?>NationalInstruments.Design.Toolbar { class Program { static void Main(string[] args) { } } }"; using (var testState = new TestState()) { var approvedNamespaceFiles = testState.GetApprovedNamespaces(); var test = new AutoTestFile(sampleCode, new Rule(ApprovedNamespaceAnalyzer.ProductionRule, "NationalInstruments.Design.Toolbar", testState.ApprovedNamespacesFilePath)); var testAfterFix = new AutoTestFile(sampleCode.Replace("<?>", string.Empty)); VerifyDiagnostics(test, approvedNamespaceFiles); testState.AppendToApprovedNamespacesFile("\r\nNationalInstruments.Design.Toolbar"); VerifyDiagnostics(testAfterFix, approvedNamespaceFiles); } }