public void CanSetColumnsAndFormulas()
{
var mapping = new HbmMapKey();
IMapKeyMapper mapper = new MapKeyMapper(mapping);
mapper.ColumnsAndFormulas(x => x.Name("pizza"), x => x.Formula("risotto"), x => x.Name("pasta"));
Assert.That(mapping.Items, Has.Length.EqualTo(3));
Assert.That(mapping.Items[0], Is.TypeOf <HbmColumn>(), "first");
Assert.That(mapping.Items[1], Is.TypeOf <HbmFormula>(), "second");
Assert.That(mapping.Items[2], Is.TypeOf <HbmColumn>(), "third");
Assert.That(((HbmColumn)mapping.Items[0]).name, Is.EqualTo("pizza"));
Assert.That(((HbmFormula)mapping.Items[1]).Text, Has.Length.EqualTo(1).And.One.EqualTo("risotto"));
Assert.That(((HbmColumn)mapping.Items[2]).name, Is.EqualTo("pasta"));
Assert.That(mapping.column, Is.Null, "column");
Assert.That(mapping.formula, Is.Null, "formula");
}