public void TestConstructor_EnumerableStringsEmpty() {
var words = new string[] {};
var pn = new PhraseNode(words);
Assert.AreEqual(words.Length, pn.Size());
for(int i = 0; i < pn.Size(); i++) {
Assert.AreEqual(words[i], pn[i].Text);
}
Assert.AreEqual(Location.None, pn.Location);
}