public void NullableValue_ReplacedByCast()
{
// ReSharper disable PossibleInvalidOperationException
var query = DetailQuerySource.Select(k => k.LastCleaningDay.Value);
// ReSharper restore PossibleInvalidOperationException
var queryModel = QueryParser.GetParsedQuery(query.Expression);
var selector = queryModel.SelectClause.Selector;
// ReSharper disable PossibleInvalidOperationException
CheckResolvedExpression <Kitchen, DateTime> (selector, queryModel.MainFromClause, k => (DateTime)k.LastCleaningDay);
// ReSharper restore PossibleInvalidOperationException
}
public void NullableHasValue_ReplacedByNullCheck()
{
var query = DetailQuerySource.Where(k => k.LastCleaningDay.HasValue);
var queryModel = QueryParser.GetParsedQuery(query.Expression);
var predicate = ((WhereClause)queryModel.BodyClauses[0]).Predicate;
var expectedExpression =
Expression.NotEqual(
Expression.MakeMemberAccess(
new QuerySourceReferenceExpression(queryModel.MainFromClause),
typeof(Kitchen).GetProperty("LastCleaningDay")),
Expression.Constant(null, typeof(DateTime?)));
ExpressionTreeComparer.CheckAreEqualTrees(expectedExpression, predicate);
}
