public void MovingBetweenTokens()
{
var query = new TagQuery();
TagQueryToken token;
query.SetQuery("/first/second/third/fourth/fifth/sixth");
Assert.AreEqual(6, query.Count());
Assert.AreEqual(6, query.TokensLeft());
token = query.Previous();
Assert.IsNull(token);
Assert.AreEqual(6, query.TokensLeft());
token = query.Next();
Assert.AreEqual("first", token.Name);
Assert.AreEqual(5, query.TokensLeft());
token = query.Next();
Assert.AreEqual("second", token.Name);
Assert.AreEqual(4, query.TokensLeft());
token = query.Next();
Assert.AreEqual("third", token.Name);
Assert.AreEqual(3, query.TokensLeft());
token = query.Previous();
Assert.AreEqual("second", token.Name);
Assert.AreEqual(4, query.TokensLeft());
token = query.Next();
Assert.AreEqual("third", token.Name);
Assert.AreEqual(3, query.TokensLeft());
token = query.Peek();
Assert.AreEqual("fourth", token.Name);
Assert.AreEqual(3, query.TokensLeft());
token = query.Next();
Assert.AreEqual("fourth", token.Name);
Assert.AreEqual(2, query.TokensLeft());
token = query.Next();
Assert.AreEqual("fifth", token.Name);
Assert.AreEqual(1, query.TokensLeft());
token = query.Next();
Assert.AreEqual("sixth", token.Name);
Assert.AreEqual(0, query.TokensLeft());
token = query.Next();
Assert.IsNull(token);
Assert.AreEqual(0, query.TokensLeft());
token = query.Previous();
Assert.AreEqual("fifth", token.Name);
Assert.AreEqual(1, query.TokensLeft());
query.MoveFirst();
Assert.AreEqual(6, query.TokensLeft());
token = query.Next();
Assert.AreEqual("first", token.Name);
Assert.AreEqual(5, query.TokensLeft());
}
public void Tokenization()
{
var query = new TagQuery();
TagQueryToken token;
// Expected: first
query = new TagQuery("/first");
Assert.AreEqual(1, query.Count());
Assert.AreEqual(1, query.TokensLeft());
token = query.Next();
Assert.AreEqual("first", token.Name);
Assert.AreSame(query, token.Query);
Assert.AreEqual(0, query.TokensLeft());
token = query.Next();
Assert.IsNull(token);
Assert.AreEqual(0, query.TokensLeft());
// Expected: first
query.SetQuery("/first");
Assert.AreEqual(1, query.Count());
Assert.AreEqual(1, query.TokensLeft());
token = query.Next();
Assert.AreEqual("first", token.Name);
Assert.AreSame(query, token.Query);
Assert.AreEqual(0, query.TokensLeft());
token = query.Next();
Assert.IsNull(token);
Assert.AreEqual(0, query.TokensLeft());
// Expected: first, second, third
query.SetQuery("/first/second/third");
Assert.AreEqual(3, query.Count());
Assert.AreEqual(3, query.TokensLeft());
token = query.Next();
Assert.AreEqual("first", token.Name);
Assert.AreSame(query, token.Query);
Assert.AreEqual(2, query.TokensLeft());
token = query.Next();
Assert.AreEqual("second", token.Name);
Assert.AreSame(query, token.Query);
Assert.AreEqual(1, query.TokensLeft());
token = query.Next();
Assert.AreEqual("third", token.Name);
Assert.AreSame(query, token.Query);
Assert.AreEqual(0, query.TokensLeft());
token = query.Next();
Assert.IsNull(token);
Assert.AreEqual(0, query.TokensLeft());
// Expected: first/slash, second\backslash, third!, extended/ÅÄÖ
query.SetQuery(@"/first\/slash/second\\backslash/third!/extended\/ÅÄÖ");
Assert.AreEqual(4, query.Count());
Assert.AreEqual(4, query.TokensLeft());
token = query.Next();
Assert.AreEqual("first/slash", token.Name);
Assert.AreSame(query, token.Query);
Assert.AreEqual(3, query.TokensLeft());
token = query.Next();
Assert.AreEqual(@"second\backslash", token.Name);
Assert.AreSame(query, token.Query);
Assert.AreEqual(2, query.TokensLeft());
token = query.Next();
Assert.AreEqual("third!", token.Name);
Assert.AreSame(query, token.Query);
Assert.AreEqual(1, query.TokensLeft());
token = query.Next();
Assert.AreEqual("extended/ÅÄÖ", token.Name);
Assert.AreSame(query, token.Query);
Assert.AreEqual(0, query.TokensLeft());
token = query.Next();
Assert.IsNull(token);
Assert.AreEqual(0, query.TokensLeft());
}