public void FindAdjacentWords()
{
IEnumerable <String> results = testCharacterTrieUtilities.FindAdjacentWords(trieRoot, "time");
Assert.AreEqual(0, results.Count());
CharacterTrieBuilder builder = new CharacterTrieBuilder();
builder.AddWord(trieRoot, "limb", true);
builder.AddWord(trieRoot, "line", true);
builder.AddWord(trieRoot, "lime", true);
builder.AddWord(trieRoot, "time", true);
builder.AddWord(trieRoot, "timo", true);
builder.AddWord(trieRoot, "tame", true);
builder.AddWord(trieRoot, "tile", true);
builder.AddWord(trieRoot, "timer", true);
builder.AddWord(trieRoot, "timers", true);
builder.AddWord(trieRoot, "tamer", true);
builder.AddWord(trieRoot, "lines", true);
builder.AddWord(trieRoot, "liner", true);
builder.AddWord(trieRoot, "tim", true);
results = testCharacterTrieUtilities.FindAdjacentWords(trieRoot, "time");
Assert.AreEqual(4, results.Count());
Assert.IsTrue(results.Contains("lime"));
Assert.IsTrue(results.Contains("tame"));
Assert.IsTrue(results.Contains("tile"));
Assert.IsTrue(results.Contains("timo"));
}
public void AddWord_WordParameterEmptyString()
{
ArgumentException e = Assert.ThrowsException <ArgumentException>(() =>
{
testCharacterTrieBuilder.AddWord(trieRoot, "", true);
});
StringAssert.StartsWith(e.Message, "Parameter 'word' cannot be an empty string.");
Assert.AreEqual("word", e.ParamName);
}