public void TestCompareTo()
{
VisitableList <int>[] lists = new VisitableList <int> [3];
for (int i = 0; i < 3; i++)
{
lists[i] = new VisitableList <int>();
for (int j = 0; j < i; j++)
{
lists[i].Add(j * 4);
}
}
Assert.AreEqual(lists[0].CompareTo(lists[1]), -1);
Assert.AreEqual(lists[2].CompareTo(lists[1]), 1);
VisitableList <int> sameList = lists[1];
Assert.AreEqual(lists[1].CompareTo(sameList), 0);
object obj = new object();
Assert.AreEqual(lists[0].CompareTo(obj), -1);
VisitableHashtable <int, int> h = new VisitableHashtable <int, int>();
Assert.AreEqual(lists[0].CompareTo(h), 1);
}
private VisitableHashtable <string, string> GetTestHashtable()
{
VisitableHashtable <string, string> h = new VisitableHashtable <string, string>();
h.Add("a", "aa");
h.Add("b", "bb");
h.Add("c", "cc");
return(h);
}
public void TestIsFull()
{
VisitableHashtable <string, string> h = GetTestHashtable();
Assert.AreEqual(h.IsFull, false);
h = new VisitableHashtable <string, string>();
Assert.AreEqual(h.IsFull, false);
h.Add("ff", "fff");
Assert.AreEqual(h.IsFull, false);
}
public void TestCompareTo()
{
VisitableHashtable <string, string> h1 = GetTestHashtable();
VisitableHashtable <string, string> h2 = GetTestHashtable();
h2.Add("d", "dd");
Assert.AreEqual(h1.CompareTo(h2), -1);
Assert.AreEqual(h2.CompareTo(h1), 1);
Assert.AreEqual(h1.CompareTo(h1), 0);
object o = new object();
Assert.AreEqual(h1.CompareTo(o), -1);
}
public void TestSuccesfulInit()
{
// Default constructor
VisitableHashtable <string, string> h1 = new VisitableHashtable <string, string>();
Assert.AreEqual(h1.Count, 0);
Assert.AreEqual(h1.IsEmpty, true);
Assert.AreEqual(h1.IsFull, false);
VisitableHashtable <string, string> h2 = new VisitableHashtable <string, string>();
h2.Add("aa", "bb");
h2.Add("cc", "dd");
Assert.AreEqual(h2.Count, 2);
Assert.AreEqual(h2.IsEmpty, false);
Assert.AreEqual(h2.IsFull, false);
h1 = new VisitableHashtable <string, string>(h2);
Assert.AreEqual(h1.Count, 2);
Assert.AreEqual(h1.IsEmpty, false);
Assert.AreEqual(h1.IsFull, false);
h1 = new VisitableHashtable <string, string>(new DummyComparer());
Assert.AreEqual(h1.Count, 0);
Assert.AreEqual(h1.IsEmpty, true);
Assert.AreEqual(h1.IsFull, false);
h1 = new VisitableHashtable <string, string>(50);
Assert.AreEqual(h1.Count, 0);
Assert.AreEqual(h1.IsEmpty, true);
Assert.AreEqual(h1.IsFull, false);
h1 = new VisitableHashtable <string, string>(h2, new DummyComparer());
Assert.AreEqual(h1.Count, 2);
Assert.AreEqual(h1.IsEmpty, false);
Assert.AreEqual(h1.IsFull, false);
h1 = new VisitableHashtable <string, string>(300, new DummyComparer());
Assert.AreEqual(h1.Count, 0);
Assert.AreEqual(h1.IsEmpty, true);
Assert.AreEqual(h1.IsFull, false);
}
public void TestVisitor()
{
TrackingVisitor <KeyValuePair <string, string> > visitor = new TrackingVisitor <KeyValuePair <string, string> >();
VisitableHashtable <string, string> h = GetTestHashtable();
h.Accept(visitor);
Assert.AreEqual(visitor.TrackingList.Count, 3);
bool found = false;
for (int i = 0; i < visitor.TrackingList.Count; i++)
{
if ((visitor.TrackingList[i].Key == "a") && (visitor.TrackingList[i].Value == "aa"))
{
found = true;
break;
}
}
Assert.AreEqual(found, true);
found = false;
for (int i = 0; i < visitor.TrackingList.Count; i++)
{
if ((visitor.TrackingList[i].Key == "b") && (visitor.TrackingList[i].Value == "bb"))
{
found = true;
break;
}
}
Assert.AreEqual(found, true);
found = false;
for (int i = 0; i < visitor.TrackingList.Count; i++)
{
if ((visitor.TrackingList[i].Key == "c") && (visitor.TrackingList[i].Value == "cc"))
{
found = true;
break;
}
}
Assert.AreEqual(found, true);
}
public void TestStoppingVisitor()
{
EqualityFindingVisitor <KeyValuePair <string, string> > visitor = new EqualityFindingVisitor <KeyValuePair <string, string> >(new KeyValuePair <string, string>("b", "bb"), new KeyValuePairEqualityComparer <string, string>());
VisitableHashtable <string, string> h = GetTestHashtable();
h.Accept(visitor);
Assert.AreEqual(visitor.HasCompleted, true);
Assert.AreEqual(visitor.Found, true);
visitor = new EqualityFindingVisitor <KeyValuePair <string, string> >
(
new KeyValuePair <string, string>("d", "dd"),
new KeyValuePairEqualityComparer <string, string>()
);
h.Accept(visitor);
Assert.AreEqual(visitor.HasCompleted, false);
Assert.AreEqual(visitor.Found, false);
}
public void TestInvalidCompareTo()
{
VisitableHashtable <string, int> h = new VisitableHashtable <string, int>();
h.CompareTo(null);
}
public void TestNullVisitor()
{
VisitableHashtable <string, string> h = new VisitableHashtable <string, string>();
h.Accept(null);
}