public void TestOrderOfAdds()
{
SequentialSet<int> set = new SequentialSet<int>();
set.Add(0);
set.Add(1);
set.Add(2);
int counter = 0;
Assert.AreEqual(3, set.Count);
foreach (int next in set)
{
Assert.AreEqual(counter, set[counter]);
Assert.AreEqual(counter++, next);
}
Assert.AreEqual(3, counter);
try
{
int n = set[3];
Assert.Fail("Should have thrown out-of-range exception");
}
catch (ArgumentOutOfRangeException)
{
/* ignore: index was out of range */
}
}
public void TestRemoves()
{
SequentialSet<int> set = new SequentialSet<int>();
set.Add(0);
set.Add(1);
set.Add(2);
Assert.AreEqual(3, set.Count);
Assert.IsTrue(set.Remove(1), "element should be present");
Assert.AreEqual(2, set.Count);
Assert.IsTrue(set[0] == 0);
Assert.IsTrue(set[1] == 2);
}
public void TestContains()
{
SequentialSet<int> set = new SequentialSet<int>();
set.Add(0);
set.Add(1);
set.Add(2);
Assert.IsTrue(set.Contains(0));
Assert.IsTrue(set.Contains(1));
Assert.IsTrue(set.Contains(2));
Assert.IsFalse(set.Contains(-1));
Assert.IsFalse(set.Contains(3));
}