public void NestedQueryUsingRangeVariableFromOuter()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 from j in arr2 let k = new[] { i, j } select (from l in k let m = l + 1 select l + m + i)");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.SelectMany(i => arr2, (i, j) => new { i, j }).Select(x0 => new { x0, k = new[] { x0.i, x0.j } }).Select(x1 => (x1.k.Select(l => new { l, m = l + 1 }).Select(x2 => x2.l + x2.m + x1.x0.i)))");
        }
        public void NestedQueries()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 from j in arr2 let l = new { i, j } group l by l.i into g select new { g.Key, a = from q in g select new { q.i, q.j } }");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.SelectMany(i => arr2, (i, j) => new { i, j }).Select(x0 => new { x0, l = new { x0.i, x0.j } }).GroupBy(x1 => x1.l.i, x2 => x2.l).Select(g => new { g.Key, a = g.Select(q => new { q.i, q.j }) })");
        }
        public void RangeVariablesAreNotInScopeInJoinEquals()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from a in args let a2 = a select (from b in args let b2 = b join c in args on b[0] equals b + a into g select g)");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "args.Select(a => new { a, a2 = a }).Select(x0 => (args.Select(b => new { b, b2 = b }).GroupJoin(args, x1 => x1.b[0], c => b + x0.a, (x2, g) => g)))");
        }
        public void QueryExpressionWithSingleFromAndExplicitTypeWorks()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from object a in args select int.Parse(a)");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "args.Cast<object>().Select(a => int.Parse(a))");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] { Tuple.Create(new TextLocation(1, 13), (AstNode)ElementAt(ElementAt(astNode.Arguments, 0).Parameters, 0)) });
            AssertLookupCorrect(actual.Expressions, new[] { Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target), Tuple.Create(new TextLocation(1, 23), actual.AstNode) });
        }
        public void TrivialSelectIsNotEliminatingWhenTheOnlyOperation()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 select i");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.Select(i => i)");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Arguments, 0).Parameters, 0)),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 16), (AstNode)astNode),
            });
        }
        public void GroupByWithProjectedValue()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr group i.something by i.field");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr.GroupBy(i => i.field, i => i.something)");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Arguments, 0).Parameters, 0)),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 15), (AstNode)astNode),
            });
        }
        public void TrivialSelectIsEliminatedAfterWhereEvenWhenParenthesized()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 where i > 5 select (i)");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.Where(i => i > 5)");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Arguments, 0).Parameters, 0)),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 16), (AstNode)astNode),
                Tuple.Create(new TextLocation(1, 28), (AstNode)astNode),
            });
        }
        public void WhereWorks()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 where i > 5 select i + 1");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.Where(i => i > 5).Select(i => i + 1)");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Arguments, 0).Parameters, 0)),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 22), (AstNode)astNode.Target.Target),                  // This should be the where at location 16, but a parser bug causes 22 to be returned. change this to 16 after fixing the parser bug.
                Tuple.Create(new TextLocation(1, 28), (AstNode)astNode),
            });
        }
        public void OrderingWorks()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 orderby i.field1 select i");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.OrderBy(i => i.field1)");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Arguments, 0).Parameters, 0)),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 24), (AstNode)astNode),                        // This should be the orderby at location 16, but a parser bug causes 24 to be returned. change this to 16 after fixing the parser bug.
                Tuple.Create(new TextLocation(1, 24), (AstNode)astNode),
                Tuple.Create(new TextLocation(1, 33), (AstNode)astNode),
            });
        }
        public void GroupJoinFollowedBySelect()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 join j in arr2 on i.keyi equals j.keyj into g select F(i, g)");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.GroupJoin(arr2, i => i.keyi, j => j.keyj, (i, g) => F(i, g))");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Arguments, 1).Parameters, 0)),
                Tuple.Create(new TextLocation(1, 60), (AstNode)ElementAt(ElementAt(astNode.Arguments, 3).Parameters, 1)),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 16), (AstNode)astNode),
                Tuple.Create(new TextLocation(1, 62), (AstNode)astNode),
            });
        }
        public void JoinWithCast()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 join CJ j in arr2 on i.keyi equals j.keyj select i.valuei + j.valuej");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.Join(arr2.Cast<CJ>(),i=>i.keyi,j=>j.keyj,(i,j)=>i.valuei+j.valuej)");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Arguments, 1).Parameters, 0)),
                Tuple.Create(new TextLocation(1, 24), (AstNode)ElementAt(ElementAt(astNode.Arguments, 2).Parameters, 0)),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 16), (AstNode)astNode),
                Tuple.Create(new TextLocation(1, 58), (AstNode)astNode),
            });
        }
        public void GroupByWhenThereIsATransparentIdentifer()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr let j = F(i) group i by i.field");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr.Select(i => new { i, j = F(i) }).GroupBy(x0 => x0.i.field, x1 => x1.i)");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Arguments, 0).Parameters, 0)),
                Tuple.Create(new TextLocation(1, 19), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Arguments, 0).Body.Initializers, 1).NameToken),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 15), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 28), (AstNode)astNode),
            });
        }
        public void TwoFromClausesFollowedBySelectWorks()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 from j in arr2 select i + j");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.SelectMany(i => arr2, (i, j) => i + j)");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Arguments, 0).Parameters, 0)),
                Tuple.Create(new TextLocation(1, 21), (AstNode)ElementAt(ElementAt(astNode.Arguments, 1).Parameters, 1)),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 16), actual.AstNode),
                Tuple.Create(new TextLocation(1, 31), actual.AstNode),
            });
        }
        public void QueryExpressionWithLetWorks()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from a in args let b = int.Parse(a) select a + b.ToString()");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "args.Select(a => new { a, b = int.Parse(a) }).Select(x0 => x0.a + x0.b.ToString())");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Arguments, 0).Parameters, 0)),
                Tuple.Create(new TextLocation(1, 20), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Arguments, 0).Body.Initializers, 1).NameToken),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 16), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 37), actual.AstNode),
            });
        }
        public void OrderingWorks()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 orderby i.field1 select i");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.OrderBy(i => i.field1)");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Arguments, 0).Parameters, 0)),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 16), (AstNode)astNode),
                Tuple.Create(new TextLocation(1, 24), (AstNode)astNode),
                Tuple.Create(new TextLocation(1, 33), (AstNode)astNode),
            });
        }
        public void WhereWorksWhenThereIsATransparentIdentifier()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 let j = i + 1 where i > j select i + j");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.Select(i => new { i, j = i + 1 }).Where(x0 => x0.i > x0.j).Select(x1 => x1.i + x1.j)");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Target.Target.Arguments, 0).Parameters, 0)),
                Tuple.Create(new TextLocation(1, 20), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Target.Target.Arguments, 0).Body.Initializers, 1).NameToken),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 16), (AstNode)astNode.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 30), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 42), (AstNode)astNode),
            });
        }
        public void GroupJoinFollowedBySelectWhenThereIsATransparentIdentifier()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 let j = F(i) join k in arr2 on j.keyj equals k.keyk into g select F(i, j, g)");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.Select(i => new { i, j = F(i) }).GroupJoin(arr2, x0 => x0.j.keyj, k => k.keyk, (x1, g) => F(x1.i, x1.j, g))");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Arguments, 0).Parameters, 0)),
                Tuple.Create(new TextLocation(1, 20), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Arguments, 0).Body.Initializers, 1).NameToken),
                Tuple.Create(new TextLocation(1, 73), (AstNode)ElementAt(ElementAt(astNode.Arguments, 3).Parameters, 1)),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 16), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 29), (AstNode)astNode),
                Tuple.Create(new TextLocation(1, 75), (AstNode)astNode),
            });
        }
        public void OrderingWorksWhenThereIsATransparentIdentifier()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 let j = i + 1 orderby i + j select i");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.Select(i => new { i, j = i + 1 }).OrderBy(x0 => x0.i + x0.j).Select(x1 => x1.i)");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Target.Target.Arguments, 0).Parameters, 0)),
                Tuple.Create(new TextLocation(1, 20), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Target.Target.Arguments, 0).Body.Initializers, 1).NameToken),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 16), (AstNode)astNode.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 38), (AstNode)astNode.Target.Target),                  // This should be the orderby at location 30, but a parser bug causes 38 to be returned. change this to 30 after fixing the parser bug.
                Tuple.Create(new TextLocation(1, 38), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 44), (AstNode)astNode),
            });
        }
        public void SelectManyFollowedBySelectWorksWhenTheTargetIsTransparentAndTheCollectionsAreCorrelated()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in outer let j = F(i) from k in j.Result select i + j + k");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "outer.Select(i => new { i, j = F(i) }).SelectMany(x0 => x0.j.Result, (x1, k) => x1.i + x1.j + k)");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Arguments, 0).Parameters, 0)),
                Tuple.Create(new TextLocation(1, 21), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Arguments, 0).Body.Initializers, 1).NameToken),
                Tuple.Create(new TextLocation(1, 35), (AstNode)ElementAt(ElementAt(astNode.Arguments, 1).Parameters, 1)),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 17), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 30), actual.AstNode),
                Tuple.Create(new TextLocation(1, 49), actual.AstNode),
            });
        }
        public void TwoFromClausesFollowedByLetWorks()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 from j in arr2 let k = i + j select i + j + k");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.SelectMany(i => arr2, (i, j) => new { i, j }).Select(x0 => new { x0, k = x0.i + x0.j }).Select(x1 => x1.x0.i + x1.x0.j + x1.k)");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Target.Target.Arguments, 0).Parameters, 0)),
                Tuple.Create(new TextLocation(1, 21), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Target.Target.Arguments, 1).Parameters, 1)),
                Tuple.Create(new TextLocation(1, 35), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Arguments, 0).Body.Initializers, 1).NameToken),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 16), (AstNode)astNode.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 31), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 45), actual.AstNode),
            });
        }
        public void GroupJoinFollowedByLet()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 join j in arr2 on i.keyi equals j.keyj into g let k = i + g select i + g + k");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.GroupJoin(arr2, i => i.keyi, j => j.keyj, (i, g) => new { i, g }).Select(x0 => new { x0, k = x0.i + x0.g }).Select(x1 => x1.x0.i + x1.x0.g + x1.k)");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Target.Target.Arguments, 1).Parameters, 0)),
                Tuple.Create(new TextLocation(1, 60), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Target.Target.Arguments, 3).Parameters, 1)),
                Tuple.Create(new TextLocation(1, 66), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Arguments, 0).Body.Initializers, 1).NameToken),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 16), (AstNode)astNode.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 62), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 76), (AstNode)astNode),
            });
        }
        public void QueryContinuation()
        {
            var node   = ParseUtilCSharp.ParseExpression <QueryExpression>("from i in arr1 from j in arr2 select i + j into a where a > 5 select a + 1");
            var actual = new QueryExpressionExpander().ExpandQueryExpressions(node);

            AssertCorrect(actual.AstNode, "arr1.SelectMany(i => arr2, (i, j) => i + j).Where(a => a > 5).Select(a => a + 1)");
            dynamic astNode = actual.AstNode;

            AssertLookupCorrect(actual.RangeVariables, new[] {
                Tuple.Create(new TextLocation(1, 6), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Target.Target.Arguments, 0).Parameters, 0)),
                Tuple.Create(new TextLocation(1, 21), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Target.Target.Arguments, 1).Parameters, 1)),
                Tuple.Create(new TextLocation(1, 49), (AstNode)ElementAt(ElementAt(astNode.Target.Target.Arguments, 0).Parameters, 0)),
            });
            AssertLookupCorrect(actual.Expressions, new[] {
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 1), (AstNode)astNode.Target.Target.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 16), (AstNode)astNode.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 31), (AstNode)astNode.Target.Target.Target.Target),
                Tuple.Create(new TextLocation(1, 51), (AstNode)astNode.Target.Target),
                Tuple.Create(new TextLocation(1, 63), (AstNode)astNode),
            });
        }