private async Task VerifyImplementType(string code, string expectedChange, Dictionary <string, string> hostProperties) { var testFile = new TestFile("test.cs", code); using (var host = CreateOmniSharpHost(new[] { testFile }, hostProperties.ToConfiguration())) { var requestHandler = host.GetRequestHandler <RunCodeActionService>(OmniSharpEndpoints.V2.RunCodeAction); var point = testFile.Content.GetPointFromPosition(); var request = new RunCodeActionRequest { Line = point.Line, Column = point.Offset, FileName = testFile.FileName, Buffer = testFile.Content.Code, Identifier = "False;False;True:global::IFoo;AssemblyName;Microsoft.CodeAnalysis.ImplementInterface.AbstractImplementInterfaceService+ImplementInterfaceCodeAction;", WantsTextChanges = true, WantsAllCodeActionOperations = true }; var response = await requestHandler.Handle(request); var changes = response.Changes.ToArray(); Assert.Single(changes); Assert.NotNull(changes[0].FileName); AssertUtils.AssertIgnoringIndentAndNewlines(expectedChange, ((ModifiedFileResponse)changes[0]).Changes.First().NewText); } }