public void FindNoTagsWhenNotEnoughData()
{
var raw = new byte[] { 73, 68, 50, 0 };
using (var strm = new MemoryStream(raw))
{
Assert.IsFalse(Id3v1.ReadTags(strm, out var id3v1));
Assert.IsNull(id3v1);
}
}
public void FindNoTagsInEmptyFile()
{
var raw = new byte[] { };
using (var strm = new MemoryStream(raw))
{
Assert.IsFalse(Id3v1.ReadTags(strm, out var id3v1));
Assert.IsNull(id3v1);
}
}
public void FindNoTagsWhenWrongHeader()
{
var raw = new byte[128];
// ID3, should be TAG
Array.Copy(new byte[] { 73, 68, 51 }, 0, raw, 0, 3);
using (var strm = new MemoryStream(raw))
{
Assert.IsFalse(Id3v1.ReadTags(strm, out var id3v1));
Assert.IsNull(id3v1);
}
}
public void ReadTagsFromFile()
{
var names = Assembly.GetExecutingAssembly().GetManifestResourceNames();
var name = names.Where(n => n.Contains("Loud.mp3")).First();
using (var strm = Assembly.GetExecutingAssembly().GetManifestResourceStream(name))
{
Assert.IsTrue(Id3v1.ReadTags(strm, out var tags));
Assert.IsNotNull(tags);
Assert.AreEqual(TagTypes.Id3v1, tags.Type);
Assert.AreEqual(226704, tags.OffsetInFile);
Assert.AreEqual(128, tags.Raw.Length);
}
}
