public void IndirectVariableAccessTest() { string program = @" fun kju (param : Int) : Unit { var x : Int; fun f (par1 : Int, par2 : Int) : Int { x; return par1; }; fun g () : Unit { f(1, 2); }; g(); }"; var diagnosticsMock = new Mock <IDiagnostics>(); var diagnostics = diagnosticsMock.Object; var ast = KjuCompilerUtils.MakeAstWithLinkedNames(program, diagnostics); var identifiersMap = this.CreateIdDictionary(ast); var functions = identifiersMap .Where(p => p.Value is FunctionDeclaration) .ToDictionary(p => p.Key, p => p.Value as FunctionDeclaration); var variables = identifiersMap .Where(p => p.Value is VariableDeclaration) .ToDictionary(p => p.Key, p => p.Value as VariableDeclaration); var mockCallGraph = new Mock <ICallGraphGenerator>(); var callGraphDict = new Dictionary <FunctionDeclaration, IReadOnlyCollection <FunctionDeclaration> > { [functions["kju"]] = new HashSet <FunctionDeclaration>() { functions["f"] }, [functions["f"]] = new HashSet <FunctionDeclaration>(), [functions["g"]] = new HashSet <FunctionDeclaration>() { functions["f"] }, }; mockCallGraph.Setup(foo => foo.BuildCallGraph(It.IsAny <Node>())).Returns(callGraphDict); var nodeInfoExtractors = new Dictionary <VariableInfo, INodeInfoExtractor> { [VariableInfo.Access] = new AccessInfoExtractor(), [VariableInfo.Modifications] = new ModifyInfoExtractor(), }; VariableAccessGraphGenerator tempQualifier = new VariableAccessGraphGenerator(mockCallGraph.Object, nodeInfoExtractors); INodeInfoExtractor infoExtractor = new AccessInfoExtractor(); var graph = VariableAccessGraphGenerator.TransitiveCallClosure(mockCallGraph.Object, ast, infoExtractor); Assert.IsTrue(graph[functions["kju"]].Contains(variables["x"])); Assert.IsTrue(graph[functions["kju"]].Contains(variables["par1"])); Assert.IsTrue(graph[functions["g"]].Contains(variables["x"])); Assert.IsTrue(graph[functions["g"]].Contains(variables["par1"])); MockDiagnostics.Verify(diagnosticsMock); }