public void AddRemoveAuthorTest()
{
var writer = new EpubWriter();
writer.AddAuthor("Foo Bar");
var epub = WriteAndRead(writer);
Assert.AreEqual(1, epub.Authors.Count);
writer.AddAuthor("Zoo Gar");
epub = WriteAndRead(writer);
Assert.AreEqual(2, epub.Authors.Count);
writer.RemoveAuthor("Foo Bar");
epub = WriteAndRead(writer);
Assert.AreEqual(1, epub.Authors.Count);
Assert.AreEqual("Zoo Gar", epub.Authors[0]);
writer.RemoveAuthor("Unexisting");
epub = WriteAndRead(writer);
Assert.AreEqual(1, epub.Authors.Count);
writer.ClearAuthors();
epub = WriteAndRead(writer);
Assert.AreEqual(0, epub.Authors.Count);
writer.RemoveAuthor("Unexisting");
writer.ClearAuthors();
}