public void ProcessTwoTokens()
{
Lexer tokenizer = new Lexer("token1 token2");
Token token;
token = tokenizer.NextToken();
Assert.IsNotNull(token);
Assert.AreEqual("token1", token.Value);
Assert.AreEqual(TokenType.Name, token.Type);
token = tokenizer.NextToken();
Assert.IsNotNull(token);
Assert.AreEqual("token2", token.Value);
Assert.AreEqual(TokenType.Name, token.Type);
token = tokenizer.NextToken();
Assert.IsNull(token);
}