public void VisitSqlSubStatementExpression_LeavesSqlSubStatementExpression_ForStreamedScalarInfo()
{
var sqlStatement = SqlStatementModelObjectMother.CreateSqlStatement_Scalar();
var expression = new SqlSubStatementExpression(sqlStatement);
_stageMock
.Expect(mock => mock.ResolveSqlStatement(sqlStatement, _mappingResolutionContext))
.Return(sqlStatement);
_groupAggregateSimplifier
.Expect(mock => mock.SimplifyIfPossible(expression, sqlStatement.SelectProjection))
.Return(expression);
var visitor = CreateVisitor(new SqlStatementBuilder(sqlStatement));
var result = visitor.VisitExpression(expression);
_stageMock.VerifyAllExpectations();
_groupAggregateSimplifier.VerifyAllExpectations();
Assert.That(result, Is.TypeOf(typeof(SqlSubStatementExpression)));
Assert.That(((SqlSubStatementExpression)result).SqlStatement, Is.SameAs(sqlStatement));
}