public virtual void TestShouldConvertTagToBytesAndBackToEquivalentTag()
{
ID3v1 id3tag = new ID3v1Tag();
id3tag.SetTrack("5");
id3tag.SetArtist("ARTIST");
id3tag.SetTitle("TITLE");
id3tag.SetAlbum("ALBUM");
id3tag.SetYear("1997");
id3tag.SetGenre(13);
id3tag.SetComment("COMMENT");
byte[] data = id3tag.ToBytes();
ID3v1 id3tagCopy = new ID3v1Tag(data);
Assert.AreEqual(id3tag, id3tagCopy);
}
public virtual void TestShouldExtractMaximumLengthFieldsFromValid10Tag()
{
byte[] buffer = BufferTools.StringToByteBuffer(VALID_TAG, 0, VALID_TAG.Length);
buffer[buffer.Length - 1] = unchecked((byte)(-unchecked((int)(0x6D))));
// 0x93 as a signed byte
ID3v1Tag id3v1tag = new ID3v1Tag(buffer);
Assert.AreEqual("TITLE1234567890123456789012345", id3v1tag.GetTitle());
Assert.AreEqual("ARTIST123456789012345678901234", id3v1tag.GetArtist());
Assert.AreEqual("ALBUM1234567890123456789012345", id3v1tag.GetAlbum());
Assert.AreEqual("2001", id3v1tag.GetYear());
Assert.AreEqual("COMMENT12345678901234567890123", id3v1tag.GetComment());
Assert.AreEqual(null, id3v1tag.GetTrack());
Assert.AreEqual(unchecked((int)(0x93)), id3v1tag.GetGenre());
Assert.AreEqual("Synthpop", id3v1tag.GetGenreDescription());
}
public virtual void TestShouldExtractMaximumLengthFieldsFromValid11Tag()
{
byte[] buffer = BufferTools.StringToByteBuffer(VALID_TAG, 0, VALID_TAG.Length);
buffer[buffer.Length - 3] = unchecked((int)(0x00));
buffer[buffer.Length - 2] = unchecked((int)(0x01));
buffer[buffer.Length - 1] = unchecked((int)(0x0D));
ID3v1Tag id3v1tag = new ID3v1Tag(buffer);
Assert.AreEqual("TITLE1234567890123456789012345", id3v1tag.GetTitle());
Assert.AreEqual("ARTIST123456789012345678901234", id3v1tag.GetArtist());
Assert.AreEqual("ALBUM1234567890123456789012345", id3v1tag.GetAlbum());
Assert.AreEqual("2001", id3v1tag.GetYear());
Assert.AreEqual("COMMENT123456789012345678901", id3v1tag.GetComment());
Assert.AreEqual("1", id3v1tag.GetTrack());
Assert.AreEqual(unchecked((int)(0x0d)), id3v1tag.GetGenre());
Assert.AreEqual("Pop", id3v1tag.GetGenreDescription());
}
public virtual void TestShouldExtractTrimmedFieldsFromValid11TagWithNullspace()
{
byte[] buffer = BufferTools.StringToByteBuffer(VALID_TAG_WITH_WHITESPACE, 0, VALID_TAG_WITH_WHITESPACE.Length);
TestHelper.ReplaceSpacesWithNulls(buffer);
buffer[buffer.Length - 3] = unchecked((int)(0x00));
buffer[buffer.Length - 2] = unchecked((int)(0x01));
buffer[buffer.Length - 1] = unchecked((int)(0x0D));
ID3v1Tag id3v1tag = new ID3v1Tag(buffer);
Assert.AreEqual("TITLE", id3v1tag.GetTitle());
Assert.AreEqual("ARTIST", id3v1tag.GetArtist());
Assert.AreEqual("ALBUM", id3v1tag.GetAlbum());
Assert.AreEqual("2001", id3v1tag.GetYear());
Assert.AreEqual("COMMENT", id3v1tag.GetComment());
Assert.AreEqual("1", id3v1tag.GetTrack());
Assert.AreEqual(unchecked((int)(0x0d)), id3v1tag.GetGenre());
Assert.AreEqual("Pop", id3v1tag.GetGenreDescription());
}
public virtual void TestShouldReturnEmptyTrackIfNotSetOn11Tag()
{
byte[] buffer = TestHelper.LoadFile("Resources/v1tagwithnotrack.mp3");
byte[] tagBuffer = BufferTools.CopyBuffer(buffer, buffer.Length - ID3v1Tag.TAG_LENGTH, ID3v1Tag.TAG_LENGTH);
ID3v1 id3tag = new ID3v1Tag(tagBuffer);
Assert.AreEqual(string.Empty, id3tag.GetTrack());
}
public virtual void TestShouldReadTagFieldsFromMp3()
{
byte[] buffer = TestHelper.LoadFile("Resources/v1andv23tags.mp3");
byte[] tagBuffer = BufferTools.CopyBuffer(buffer, buffer.Length - ID3v1Tag.TAG_LENGTH, ID3v1Tag.TAG_LENGTH);
ID3v1 id3tag = new ID3v1Tag(tagBuffer);
Assert.AreEqual("1", id3tag.GetTrack());
Assert.AreEqual("ARTIST123456789012345678901234", id3tag.GetArtist());
Assert.AreEqual("TITLE1234567890123456789012345", id3tag.GetTitle());
Assert.AreEqual("ALBUM1234567890123456789012345", id3tag.GetAlbum());
Assert.AreEqual("2001", id3tag.GetYear());
Assert.AreEqual(unchecked((int)(0x0d)), id3tag.GetGenre());
Assert.AreEqual("Pop", id3tag.GetGenreDescription());
Assert.AreEqual("COMMENT123456789012345678901", id3tag.GetComment());
}
public virtual void TestShouldGenerateValidTagBufferWithHighGenreAndTrackNumber()
{
ID3v1Tag id3v1tag = new ID3v1Tag();
id3v1tag.SetTitle("TITLE");
id3v1tag.SetArtist("ARTIST");
id3v1tag.SetAlbum("ALBUM");
id3v1tag.SetYear("2001");
id3v1tag.SetComment("COMMENT");
id3v1tag.SetTrack("254");
id3v1tag.SetGenre(unchecked((int)(0x8d)));
byte[] expectedBuffer = BufferTools.StringToByteBuffer(VALID_TAG_WITH_WHITESPACE, 0, VALID_TAG_WITH_WHITESPACE.Length);
TestHelper.ReplaceSpacesWithNulls(expectedBuffer);
expectedBuffer[expectedBuffer.Length - 3] = unchecked((int)(0x00));
expectedBuffer[expectedBuffer.Length - 2] = unchecked((byte)(-unchecked((int)(0x02))));
// 254 as a signed byte
expectedBuffer[expectedBuffer.Length - 1] = unchecked((byte)(-unchecked((int)(0x73))));
// 0x8D as a signed byte
Assert.IsTrue(Arrays.Equals(expectedBuffer, id3v1tag.ToBytes()));
}
