public void Add_AddValues_AllValuesAdded()
{
MockHeaders headers = new MockHeaders(knownHeader, new MockHeaderParser(typeof(Uri)));
HttpHeaderValueCollection<Uri> collection = new HttpHeaderValueCollection<Uri>(knownHeader, headers,
specialValue);
collection.Add(new Uri("http://www.example.org/1/"));
collection.Add(new Uri("http://www.example.org/2/"));
collection.Add(new Uri("http://www.example.org/3/"));
Assert.Equal(3, collection.Count);
}