func TestExtractMaximumLengthFieldsFromValid11Tag(t *testing.T) {
buf, r := bufWrap(VALID_TAG)
buf[len(buf)-3] = 0x00
buf[len(buf)-2] = 0x01
buf[len(buf)-1] = 0x0d
tag, err := mp3agic.ExtractId3v1Tag(r)
if err != nil {
t.Error(err)
return
}
assert(t, tag.Comment() == "COMMENT123456789012345678901", "comment", tag.Comment())
assert(t, tag.Track() == "1", "track", tag.Track())
assert(t, tag.Genre() == 0x0D, "genre", tag.Genre())
assert(t, tag.GenreDescription() == "Pop", "genre description", tag.GenreDescription())
}
func TestExtractMaximumLengthFieldsFromValid10Tag(t *testing.T) {
buf, reader := bufWrap(VALID_TAG)
buf[len(buf)-1] = 0x8D
tag, err := mp3agic.ExtractId3v1Tag(reader)
if err != nil {
t.Error(err)
return
}
assert(t, tag.Title() == "TITLE1234567890123456789012345", "title", tag.Title())
assert(t, tag.Artist() == "ARTIST123456789012345678901234", "artist", tag.Artist())
assert(t, tag.Album() == "ALBUM1234567890123456789012345", "album", tag.Album())
assert(t, tag.Year() == "2001", "year", tag.Year())
assert(t, tag.Comment() == "COMMENT12345678901234567890123", "comment", tag.Comment())
assert(t, tag.Track() == "", "track", tag.Track())
assert(t, tag.Genre() == 0x8D, "genre", tag.Genre())
assert(t, tag.GenreDescription() == "Synthpop", "genre description", tag.GenreDescription())
}
func TestExtractTrimmedFieldsFromValid11TagWithNullspace(t *testing.T) {
buf, r := bufWrap(strings.Replace(VALID_TAG_WITH_WHITESPACE, " ", "\x00", -1))
buf[len(buf)-3] = 0x00
buf[len(buf)-2] = 0x01
buf[len(buf)-1] = 0x0d
tag, err := mp3agic.ExtractId3v1Tag(r)
if err != nil {
t.Error(err)
return
}
assert(t, tag.Title() == "TITLE", "title", tag.Title())
assert(t, tag.Artist() == "ARTIST", "artist", tag.Artist())
assert(t, tag.Album() == "ALBUM", "album", tag.Album())
assert(t, tag.Year() == "2001", "year", tag.Year())
assert(t, tag.Comment() == "COMMENT", "comment", tag.Comment())
assert(t, tag.Track() == "1", "track", tag.Track())
assert(t, tag.Genre() == 0x0D, "genre", tag.Genre())
assert(t, tag.GenreDescription() == "Pop", "genre description", tag.GenreDescription())
}
func TestReadTagFieldsFromMp3(t *testing.T) {
f, err := os.Open(RES_DIR+"v1andv23tags.mp3", os.O_RDONLY, 0)
if err != nil {
t.Error(err)
return
}
defer f.Close()
tag, err := mp3agic.ExtractId3v1Tag(f)
if err != nil {
t.Error(err)
return
}
assert(t, tag.Track() == "1", "track", tag.Track())
assert(t, tag.Artist() == "ARTIST123456789012345678901234", "artist", tag.Artist())
assert(t, tag.Title() == "TITLE1234567890123456789012345", "title", tag.Title())
assert(t, tag.Album() == "ALBUM1234567890123456789012345", "album", tag.Album())
assert(t, tag.Year() == "2001", "year", tag.Year())
assert(t, tag.Genre() == 0x0d, "genre", tag.Genre())
assert(t, tag.GenreDescription() == "Pop", "genre description", tag.GenreDescription())
assert(t, tag.Comment() == "COMMENT123456789012345678901", "comment", tag.Comment())
}