public void UnionNotCommutativeTest()
{
const string text1 = "one";
const string text2 = "qwerty";
var mergedText = (text1 + text2).Distinct().ToList();
var alphabet1 = new Alphabet(text1);
var alphabet2 = new Alphabet(text2);
var union1 = Alphabet.Union(alphabet1, alphabet2);
var union2 = Alphabet.Union(alphabet2, alphabet1);
Assert.AreNotEqual(union1, union2);
}
public void UnionTest()
{
const string text1 = "one";
const string text2 = "qwerty";
var mergedText = (text1 + text2).Distinct().ToList();
var alphabet1 = new Alphabet(text1);
var alphabet2 = new Alphabet(text2);
var result = Alphabet.Union(alphabet1, alphabet2);
for (int i = 0; i < mergedText.Count; i++)
{
Assert.AreEqual(mergedText[i], result.CharAt(i));
}
}