Rubberduck.Inspections.VariableNotAssignedInspection.GetInspectionResults C# (CSharp) Method

        public override IEnumerable<InspectionResultBase> GetInspectionResults()
        {
            var items = UserDeclarations.ToList();

            // ignore arrays. todo: ArrayIndicesNotAccessedInspection
            var arrays = items.Where(declaration =>
                declaration.DeclarationType == DeclarationType.Variable
                && declaration.IsArray()).ToList();

            var declarations = items.Where(declaration =>
                declaration.DeclarationType == DeclarationType.Variable
                && !declaration.IsWithEvents
                && !arrays.Contains(declaration)
                && !items.Any(item => 
                    item.IdentifierName == declaration.AsTypeName 
                    && item.DeclarationType == DeclarationType.UserDefinedType) // UDT variables don't need to be assigned
                && !declaration.IsSelfAssigned
                && !declaration.References.Any(reference => reference.IsAssignment));

            return declarations.Select(issue => 
                new IdentifierNotAssignedInspectionResult(this, issue, issue.Context, issue.QualifiedName.QualifiedModuleName));
        }
    }

        public void VariableNotAssigned_ReturnsResult()
        {
            const string inputCode =
@"Sub Foo()
    Dim var1 As String
End Sub";

            //Arrange
            var builder = new MockVbeBuilder();
            VBComponent component;
            var vbe = builder.BuildFromSingleStandardModule(inputCode, out component);
            var mockHost = new Mock<IHostApplication>();
            mockHost.SetupAllProperties();
            var parser = MockParser.Create(vbe.Object, new RubberduckParserState());

            parser.Parse();
            if (parser.State.Status == ParserState.Error) { Assert.Inconclusive("Parser Error"); }

            var inspection = new VariableNotAssignedInspection(parser.State);
            var inspectionResults = inspection.GetInspectionResults();

            Assert.AreEqual(1, inspectionResults.Count());
        }