public virtual void TestContains()
{
object a = new object();
Collection4 c = new Collection4();
c.Add(new object());
Assert.IsFalse(c.Contains(a));
c.Add(a);
Assert.IsTrue(c.Contains(a));
c.Remove(a);
Assert.IsFalse(c.Contains(a));
}
private IEnumerable RandomPositiveIntegersWithoutDuplicates(int keyCount)
{
var generator = Generators.Take(keyCount, Streams.RandomIntegers());
var res = new Collection4();
var i = generator.GetEnumerator();
while (i.MoveNext())
{
var currentInteger = (int) i.Current;
if (currentInteger < 0)
{
currentInteger = -currentInteger;
}
if (!res.Contains(currentInteger))
{
res.Add(currentInteger);
}
}
return res;
}
private void AssertNotContainsNull(Collection4 c)
{
Assert.IsFalse(c.Contains(null));
Assert.IsNull(c.Get(null));
int size = c.Size();
c.Ensure(null);
Assert.AreEqual(size + 1, c.Size());
c.Remove(null);
Assert.AreEqual(size, c.Size());
}
private void AssertContainsNull(Collection4 c)
{
Assert.IsTrue(c.Contains(null));
Assert.IsNull(c.Get(null));
var size = c.Size();
c.Ensure(null);
Assert.AreEqual(size, c.Size());
}
