public void VisitExpression_AnyOtherExpression ()
{
var visitor = new GroupAggregateSimplifier.SimplifyingVisitor (_resolvedJoinedGroupingTable, _associatedGroupingSelectExpression.ElementExpression);
var input = Expression.Constant (0);
var result = visitor.VisitExpression (input);
Assert.That (visitor.CanBeTransferredToGroupingSource, Is.True);
Assert.That (result, Is.SameAs (input));
}
public void VisitExpression_ReferenceToRightTable_Nested ()
{
var visitor = new GroupAggregateSimplifier.SimplifyingVisitor (_resolvedJoinedGroupingTable, _associatedGroupingSelectExpression.ElementExpression);
var input = Expression.Equal (
new SqlTableReferenceExpression (_resolvedJoinedGroupingTable),
new SqlTableReferenceExpression (_resolvedJoinedGroupingTable));
var result = visitor.VisitExpression (input);
Assert.That (visitor.CanBeTransferredToGroupingSource, Is.True);
var expectedResult = Expression.Equal (
_associatedGroupingSelectExpression.ElementExpression,
_associatedGroupingSelectExpression.ElementExpression);
SqlExpressionTreeComparer.CheckAreEqualTrees (expectedResult, result);
}
public void VisitExpression_ReferenceToOtherTable ()
{
var visitor = new GroupAggregateSimplifier.SimplifyingVisitor (_resolvedJoinedGroupingTable, _associatedGroupingSelectExpression.ElementExpression);
var input = new SqlTableReferenceExpression (SqlStatementModelObjectMother.CreateSqlTable());
visitor.VisitExpression (input);
Assert.That (visitor.CanBeTransferredToGroupingSource, Is.False);
}
public void VisitExpression_ReferenceToRightTable ()
{
var visitor = new GroupAggregateSimplifier.SimplifyingVisitor (_resolvedJoinedGroupingTable, _associatedGroupingSelectExpression.ElementExpression);
var input = new SqlTableReferenceExpression (_resolvedJoinedGroupingTable);
var result = visitor.VisitExpression (input);
Assert.That (visitor.CanBeTransferredToGroupingSource, Is.True);
Assert.That (result, Is.SameAs (_associatedGroupingSelectExpression.ElementExpression));
}