public void GetElementsDefensiveCopy(MegaCorp megaCorp, ICapitalist capitalist)
{
ISet <ICapitalist> elements = megaCorp.GetElements();
elements.Add(capitalist);
Assert.False(megaCorp.Has(capitalist), "#GetElements() returned a live set of elements that allowed external changes to the MegaCorp");
elements = megaCorp.GetElements();
Assert.False(megaCorp.Has(capitalist), "#GetElements() returned a live set of elements that allowed external changes to the MegaCorp");
}
public void GetElementsEmpty(MegaCorp megaCorp)
{
ISet <ICapitalist> elements = megaCorp.GetElements();
Assert.NotNull(elements);
Assert.Empty(elements);
}
public void GetElementsMultipleArbitraryCapitalists(MegaCorp megaCorp, ISet <ICapitalist> capitalists)
{
ISet <ICapitalist> expected = new HashSet <ICapitalist>(capitalists);
foreach (ICapitalist capitalist in capitalists)
{
megaCorp.Add(capitalist);
ICapitalist parent = capitalist;
while (parent != null)
{
expected.Add(parent);
parent = parent.GetParent();
}
}
ISet <ICapitalist> elements = megaCorp.GetElements();
Assert.True(expected.SetEquals(elements), "#GetElements() returned a set that did not equal the set of previously-added Capitalists and their parents");
}
public void GetHierarchyConsistencyWithOneLevel(MegaCorp megaCorp)
{
IDictionary <FatCat, ISet <ICapitalist> > hierarchy = megaCorp.GetHierarchy();
ISet <FatCat> expectedParents = megaCorp.GetParents();
Assert.True(expectedParents.SetEquals(hierarchy.Keys),
"#GetHierarchy() returned a map with a key set that did not match the MegaCorp's parents");
ISet <ICapitalist> actualElements = new HashSet <ICapitalist>();
foreach (FatCat parent in expectedParents)
{
actualElements.Add(parent);
ISet <ICapitalist> expectedChildren = megaCorp.GetChildren(parent);
foreach (ICapitalist capitalist in expectedChildren)
{
actualElements.Add(capitalist);
}
Assert.True(expectedChildren.SetEquals(hierarchy[parent]),
"#GetHierarchy() returned a map in which a key's associated set of values did not match the MegaCorp's children for that key");
}
Assert.True(megaCorp.GetElements().SetEquals(actualElements),
"#GetHierarchy() returned a map in which a key's associated set of values did not match the MegaCorp's children for that key");
}