public void MultipleTagsTest()
{
Tokenizer tokenizer = new Tokenizer(new ExpressionDictionary(), @"@book{ aaker:1912,
author = {David A. Aaker},
title = {Multivariate statistics}
}");
BibtexParser parser = new BibtexParser(tokenizer);
BibtexFile file = parser.Parse();
Assert.AreEqual(1, file.Entries.Count);
Assert.AreEqual("aaker:1912", file.Entries.First().Key);
Assert.AreEqual("book", file.Entries.First().Type);
Assert.AreEqual(2, file.Entries.First().Tags.Count);
Assert.AreEqual("author", file.Entries.First().Tags.First().Key);
Assert.AreEqual("David A. Aaker", file.Entries.First().Tags.First().Value);
Assert.AreEqual("title", file.Entries.First().Tags.ToList()[1].Key);
Assert.AreEqual("Multivariate statistics", file.Entries.First().Tags.ToList()[1].Value);
}