public void HandleResultOperator_CreatesAndPreparesSubStatementWithNewProjection()
{
var resultOperator = new SkipResultOperator(Expression.Constant(0));
_sqlStatementBuilder.Orderings.Add(_ordering);
var expectedNewProjection = Expression.New(
_tupleCtor,
new Expression[] { _selectProjection, new SqlRowNumberExpression(new[] { _ordering }) },
new MemberInfo[] { GetTupleMethod("get_Key"), GetTupleMethod("get_Value") });
var fakePreparedProjection = GetFakePreparedProjection();
_stageMock
.Expect(mock => mock.PrepareSelectExpression(Arg <Expression> .Is.Anything, Arg.Is(_context)))
.WhenCalled(mi => SqlExpressionTreeComparer.CheckAreEqualTrees(expectedNewProjection, (Expression)mi.Arguments[0]))
.Return(fakePreparedProjection);
_stageMock.Replay();
_handler.HandleResultOperator(resultOperator, _sqlStatementBuilder, UniqueIdentifierGenerator, _stageMock, _context);
_stageMock.VerifyAllExpectations();
Assert.That(_sqlStatementBuilder.SqlTables.Count, Is.EqualTo(1));
var sqlTable = _sqlStatementBuilder.SqlTables[0];
Assert.That(sqlTable.TableInfo, Is.TypeOf(typeof(ResolvedSubStatementTableInfo)));
Assert.That(sqlTable.JoinSemantics, Is.EqualTo(JoinSemantics.Inner));
var subStatementTableInfo = ((ResolvedSubStatementTableInfo)sqlTable.TableInfo);
Assert.That(subStatementTableInfo.SqlStatement.SelectProjection, Is.SameAs(fakePreparedProjection));
Assert.That(subStatementTableInfo.TableAlias, Is.EqualTo("q0"));
}
