public void GetResolvedResultSelector()
{
_nodeWithResultSelector.Apply(QueryModel, ClauseGenerationContext);
var clause = (FromClauseBase)QueryModel.BodyClauses[0];
var expectedResult = Expression.MakeBinary(ExpressionType.GreaterThan, SourceReference, new QuerySourceReferenceExpression(clause));
var result = _nodeWithResultSelector.GetResolvedResultSelector(ClauseGenerationContext);
ExpressionTreeComparer.CheckAreEqualTrees(expectedResult, result);
}
public void Resolve_ReplacesParameter_WithProjection()
{
var node = new SelectManyExpressionNode(
CreateParseInfo(),
_collectionSelector,
ExpressionHelper.CreateLambdaExpression <int, int, AnonymousType> ((a, b) => new AnonymousType(a, b)));
node.Apply(QueryModel, ClauseGenerationContext);
var clause = (FromClauseBase)QueryModel.BodyClauses[0];
var expression = ExpressionHelper.CreateLambdaExpression <AnonymousType, bool> (i => i.a > 5 && i.b > 6);
var result = node.Resolve(expression.Parameters[0], expression.Body, ClauseGenerationContext);
var selectManySourceReference = new QuerySourceReferenceExpression(clause);
// new AnonymousType (SourceReference, selectManySourceReference).a > 5 && new AnonymousType (SourceReference, selectManySourceReference).b > 6
var newAnonymousTypeExpression = Expression.New(
typeof(AnonymousType).GetConstructor(new[] { typeof(int), typeof(int) }), SourceReference, selectManySourceReference);
var anonymousTypeMemberAExpression = Expression.MakeMemberAccess(newAnonymousTypeExpression, typeof(AnonymousType).GetProperty("a"));
var anonymousTypeMemberBExpression = Expression.MakeMemberAccess(newAnonymousTypeExpression, typeof(AnonymousType).GetProperty("b"));
var expectedResult = Expression.MakeBinary(
ExpressionType.AndAlso,
Expression.MakeBinary(ExpressionType.GreaterThan, anonymousTypeMemberAExpression, Expression.Constant(5)),
Expression.MakeBinary(ExpressionType.GreaterThan, anonymousTypeMemberBExpression, Expression.Constant(6)));
ExpressionTreeComparer.CheckAreEqualTrees(expectedResult, result);
}