public void Should_be_possible_to_get_an_empty_set_if_an_empty_list_was_informed_for_intersection_operation()
{
IEnumerable <string> firstReferences = new List <string>()
{
"10", "20", "40", "60"
};
IEnumerable <string> secondReferences = new List <string>();
SetOperation operation = new IntersectionSetOperation();
IEnumerable <string> results = operation.Execute(firstReferences, secondReferences);
Assert.AreEqual(0, results.Count());
}
public void Should_be_possible_to_define_the_object_flag_based_on_the_objects_of_set_for_the_intersection_operator()
{
FlagEnumeration firstObjectFlag = FlagEnumeration.error;
FlagEnumeration secondObjectFlag = FlagEnumeration.complete;
SetOperation operation = new IntersectionSetOperation();
FlagEnumeration result = operation.GetObjectFlag(firstObjectFlag, secondObjectFlag);
Assert.AreEqual(FlagEnumeration.error, result, "the flag enumaration is not expected");
firstObjectFlag = FlagEnumeration.doesnotexist;
secondObjectFlag = FlagEnumeration.notcollected;
result = operation.GetObjectFlag(firstObjectFlag, secondObjectFlag);
Assert.AreEqual(FlagEnumeration.doesnotexist, result, "the flag enumaration is not expected");
}
public void Should_be_possible_to_get_an_empty_set_if_not_exists_intersection_between_two_sets()
{
IEnumerable <string> firstReferences = new List <string>()
{
"10", "20", "40", "60"
};
IEnumerable <string> secondReferences = new List <string>()
{
"180", "80"
};
SetOperation operation = new IntersectionSetOperation();
IEnumerable <string> results = operation.Execute(firstReferences, secondReferences);
Assert.AreEqual(0, results.Count());
}
public void Should_be_possible_to_get_an_intersection_between_two_sets()
{
IEnumerable <string> firstReferences = new List <string>()
{
"10", "20", "40", "60"
};
IEnumerable <string> secondReferences = new List <string>()
{
"20", "60"
};
SetOperation operation = new IntersectionSetOperation();
IEnumerable <string> results = operation.Execute(firstReferences, secondReferences);
Assert.AreEqual(2, results.Count());
string element = results.Where <string>(item => item == "20").SingleOrDefault();
Assert.IsNotNull(element, "the element expected is not exits");
element = results.Where <string>(item => item == "60").SingleOrDefault();
Assert.IsNotNull(element, "the element expected is not exits");
}
