public void CollectionRemoval()
{
// arrange
using (var model = new MemoryModel(new Ifc2x3.EntityFactoryIfc2x3()))
using (var txn = model.BeginTransaction(""))
{
IfcWall wall1 = model.Instances.New <IfcWall>();
IfcWall wall2 = model.Instances.New <IfcWall>();
var propertySet = model.Instances.New <Ifc2x3.Kernel.IfcPropertySet>();
propertySet.HasProperties.Add(model.Instances.New <Ifc2x3.PropertyResource.IfcPropertySingleValue>());
// Changing the type of the rel variable from interface to IfcRelDefinesByProperties solves the issue.
IIfcRelDefinesByProperties rel = model.Instances.New <Ifc2x3.Kernel.IfcRelDefinesByProperties>();
rel.RelatingPropertyDefinition = propertySet;
rel.RelatedObjects.Add(wall1);
rel.RelatedObjects.Add(wall2);
// act
rel.RelatedObjects.Remove(wall1);
// assert failed. Expected: 1, actual: 2 (null, wall2).
Assert.AreEqual(1, rel.RelatedObjects.Count);
txn.Commit();
}
}
private static IEnumerable <IIfcPropertySetDefinition> GetDefinitions(IIfcRelDefinesByProperties r)
{
if (r.RelatingPropertyDefinition == null)
{
return(null);
}
var defSelect = r.RelatingPropertyDefinition;
var def = defSelect as IIfcPropertySetDefinition;
return(def != null ? new[] { def } : null);
}
public static IEnumerable <T> PropertySet <T>(this IIfcRelDefinesByProperties r) where T : IIfcPropertySetDefinition
{
if (r.RelatingPropertyDefinition is IIfcPropertySetDefinition set)
{
return(Enumerable.Repeat(set, 1).OfType <T>());
}
else if (r.RelatingPropertyDefinition is IfcPropertySetDefinitionSet setOfSet)
{
return(setOfSet.PropertySetDefinitions.OfType <T>());
}
else
{
return(Enumerable.Empty <T>());
}
}
public IIfcRelDefinesByProperties NewPropertySet(string propertySetName, string description = null, IIfcProduct initialProduct = null)
{
IIfcRelDefinesByProperties pSetRel = null;
Wrap(s =>
{
var set = s.NewIfcPropertySet(propertySetName, description);
pSetRel = s.NewIfcRelDefinesByProperties(set);
if (null != initialProduct)
{
pSetRel.RelatedObjects.Add(initialProduct);
}
});
return(pSetRel);
}
