public void UnionWithTest()
{
var intSetFirst = new GenericSet <int>();
var intSetSecond = new GenericSet <int>();
var data = new int[] { 5, 16, -32, 56, 0, 5, 44, 16, 13 };
for (int i = 0; i < data.Length / 2; ++i)
{
intSetFirst.Add(data[i]);
}
for (int i = data.Length / 2; i < data.Length; ++i)
{
intSetSecond.Add(data[i]);
}
intSetFirst.UnionWith(intSetSecond);
var check = new int[] { 5, -32, 0, 16, 13, 56, 44 };
var output = new int[intSetFirst.Count];
intSetFirst.CopyTo(output, 0);
CollectionAssert.AreEqual(check, output);
}