public void CommonSuperTypeTest()
{
TypesTable typesTable = new TypesTable();
StandardLibraryCreator sl = new StandardLibraryCreator();
sl.CreateStandardLibrary(typesTable);
Classifier integerType = typesTable.Library.Integer;
Classifier realType = typesTable.Library.Real;
Classifier anyType = typesTable.Library.Any;
Classifier unlimitedType = typesTable.Library.UnlimitedNatural;
Classifier stringType = typesTable.Library.String;
Assert.AreEqual(integerType.CommonSuperType(realType), realType); //real,integer -> real
Assert.AreEqual(realType.CommonSuperType(realType), realType); //real,real -> real
Assert.AreEqual(realType.CommonSuperType(integerType), realType); //integer,real -> real
Assert.AreEqual(unlimitedType.CommonSuperType(realType), realType); //unlimited,real -> real
Assert.AreEqual(integerType.CommonSuperType(unlimitedType), integerType); //integer,unlimited -> integer
Assert.AreEqual(stringType.CommonSuperType(integerType), anyType); // string,integer -> anytype
//Collection
BagType bagIntegerType = (BagType)typesTable.Library.CreateCollection(Exolutio.Model.OCL.CollectionKind.Bag, integerType);
BagType bagRealType = (BagType)typesTable.Library.CreateCollection(Exolutio.Model.OCL.CollectionKind.Bag, realType);
SetType setType = (SetType)typesTable.Library.CreateCollection(Exolutio.Model.OCL.CollectionKind.Set, integerType);
SequenceType seqType = (SequenceType)typesTable.Library.CreateCollection(Exolutio.Model.OCL.CollectionKind.Sequence, integerType);
OrderedSetType ordType = (OrderedSetType)typesTable.Library.CreateCollection(Exolutio.Model.OCL.CollectionKind.OrderedSet, integerType);
CollectionType collIntegerType = typesTable.Library.CreateCollection(Exolutio.Model.OCL.CollectionKind.Collection, integerType);
CollectionType collRealType = typesTable.Library.CreateCollection(Exolutio.Model.OCL.CollectionKind.Collection, realType);;
Assert.AreEqual(setType.CommonSuperType(setType), setType); //set(integer),set(integer) -> set(integer)
Assert.AreEqual(setType.CommonSuperType(ordType), collIntegerType); //set(integer),ord(integer) -> coll(integer)
Assert.AreEqual(setType.CommonSuperType(collIntegerType), collIntegerType); //set(integer),coll(Integer) -> coll(integer)
Assert.AreEqual(collIntegerType.CommonSuperType(collIntegerType), collIntegerType); //coll(integer),coll(integer) -> coll(integer)
Assert.AreEqual(collIntegerType.CommonSuperType(bagIntegerType), collIntegerType); //coll(integer),bag(integer) -> coll(integer)
Assert.AreEqual(collIntegerType.CommonSuperType(bagRealType), collRealType); // coll(Integer),bag(real) -> coll(real)
Assert.AreEqual(setType.CommonSuperType(bagRealType), collRealType); // set(integer),bag(real) ->col(real)
Assert.AreEqual(ordType.CommonSuperType(ordType), ordType); // ord(integer),ord(integer) -> ord(integer)
Assert.AreEqual(seqType.CommonSuperType(seqType), seqType); // seq(integer),seq(integer) -> seq(integer)
Assert.AreEqual(setType.CommonSuperType(realType), anyType); //set(integer),real -> any
//void test
Classifier voidType = typesTable.Library.Void;
Assert.AreEqual(voidType.CommonSuperType(integerType), integerType);
Assert.AreEqual(realType.CommonSuperType(voidType), realType);
Assert.AreEqual(voidType.CommonSuperType(seqType), seqType);
Assert.AreEqual(collIntegerType.CommonSuperType(voidType), collIntegerType);
Assert.AreEqual(voidType.CommonSuperType(anyType), anyType);
//any test
Assert.AreEqual(integerType.CommonSuperType(anyType), anyType);
Assert.AreEqual(anyType.CommonSuperType(stringType), anyType);
Assert.AreEqual(anyType.CommonSuperType(setType), anyType);
Assert.AreEqual(setType.CommonSuperType(anyType), anyType);
//tuple test
List <Property> tupleParts1 = new List <Property>();
tupleParts1.Add(new Property("prop1", PropertyType.Many, integerType));
tupleParts1.Add(new Property("prop2", PropertyType.Many, integerType));
tupleParts1.Add(new Property("prop3", PropertyType.Many, realType));
TupleType tuple1 = new TupleType(typesTable, tupleParts1);
typesTable.RegisterType(tuple1);
List <Property> tupleParts2 = new List <Property>();
tupleParts2.Add(new Property("prop1", PropertyType.Many, integerType));
tupleParts2.Add(new Property("prop4", PropertyType.Many, integerType));
tupleParts2.Add(new Property("prop3", PropertyType.One, anyType));
TupleType tuple2 = new TupleType(typesTable, tupleParts2);
typesTable.RegisterType(tuple2);
TupleType tupleCommon = (TupleType)tuple1.CommonSuperType(tuple2);
Assert.AreEqual(tupleCommon.TupleParts.Count, 2);
Assert.AreEqual(tupleCommon["prop1"].PropertyType, tuple1["prop1"].PropertyType);
Assert.AreEqual(tupleCommon["prop1"].Type, tuple1["prop1"].Type);
Assert.AreEqual(tupleCommon["prop3"].PropertyType, tuple1["prop3"].PropertyType);
Assert.AreEqual(tupleCommon["prop3"].Type, tuple2["prop3"].Type);
Assert.AreEqual(tuple1.CommonSuperType(voidType), tuple1);
Assert.AreEqual(tuple1.CommonSuperType(anyType), anyType);
Assert.AreEqual(voidType.CommonSuperType(tuple1), tuple1);
Assert.AreEqual(anyType.CommonSuperType(tuple1), anyType);
Assert.AreEqual(tuple2.CommonSuperType(integerType), anyType);
Assert.AreEqual(realType.CommonSuperType(tuple2), anyType);
}