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MovieIdTagTest.cs

using System;
using System.Security.Cryptography;
using NUnit.Framework;
using TagLib.Riff;

namespace TagLib.Tests.TaggingFormats
{   
      [TestFixture]
00009       public class MovieIdTagTest
      {
            private static string val_sing =
                  "01234567890123456789012345678901234567890123456789";
            private static string [] val_mult = new string [] {"A123456789",
                  "B123456789", "C123456789", "D123456789", "E123456789"};
            private static string [] val_gnre = new string [] {"Rap",
                  "Jazz", "Non-Genre", "Blues"};
            
            [Test]
            public void TestTitle ()
            {
                  Riff.MovieIdTag tag = new Riff.MovieIdTag ();
                  
                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsTrue (t.IsEmpty, "Initial (IsEmpty): " + m);
                        Assert.IsNull (t.Title, "Initial (Null): " + m);
                  });
                  
                  tag.Title = val_sing;
                  
                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsFalse (t.IsEmpty, "Value Set (!IsEmpty): " + m);
                        Assert.AreEqual (val_sing, t.Title, "Value Set (!Null): " + m);
                  });
                  
                  tag.Title = string.Empty;
                  
                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsTrue (t.IsEmpty, "Value Cleared (IsEmpty): " + m);
                        Assert.IsNull (t.Title, "Value Cleared (Null): " + m);
                  });

            }
            
            [Test]
            public void TestPerformers ()
            {
                  Riff.MovieIdTag tag = new Riff.MovieIdTag ();
                  
                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsTrue (t.IsEmpty, "Initial (IsEmpty): " + m);
                        Assert.AreEqual (0, t.Performers.Length, "Initial (Zero): " + m);
                  });
                  
                  tag.Performers = val_mult;
                  
                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsFalse (t.IsEmpty, "Value Set (!IsEmpty): " + m);
                        Assert.AreEqual (val_mult.Length, t.Performers.Length, "Value Set: " + m);
                        for (int i = 0; i < val_mult.Length; i ++) {
                              Assert.AreEqual (val_mult [i], t.Performers [i], "Value Set: " + m);
                        }
                  });
                  
                  tag.Performers = new string [0];
                  
                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsTrue (t.IsEmpty, "Value Cleared (IsEmpty): " + m);
                        Assert.AreEqual (0, t.Performers.Length, "Value Cleared (Zero): " + m);
                  });
            }
            
            [Test]
            public void TestComment ()
            {
                  Riff.MovieIdTag tag = new Riff.MovieIdTag ();

                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsTrue (t.IsEmpty, "Initial (IsEmpty): " + m);
                        Assert.IsNull (t.Comment, "Initial (Null): " + m);
                  });
                  
                  tag.Comment = val_sing;
                  
                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsFalse (t.IsEmpty, "Value Set (!IsEmpty): " + m);
                        Assert.AreEqual (val_sing, t.Comment, "Value Set (!Null): " + m);
                  });
                  
                  tag.Comment = string.Empty;

                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsTrue (t.IsEmpty, "Value Cleared (IsEmpty): " + m);
                        Assert.IsNull (t.Comment, "Value Cleared (Null): " + m);
                  });
            }
            
            [Test]
            public void TestGenres ()
            {
                  Riff.MovieIdTag tag = new Riff.MovieIdTag ();

                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsTrue (t.IsEmpty, "Initial (IsEmpty): " + m);
                        Assert.AreEqual (0, t.Genres.Length, "Initial (Zero): " + m);
                  });
                  
                  tag.Genres = val_gnre;
                  
                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsFalse (t.IsEmpty, "Value Set (!IsEmpty): " + m);
                        Assert.AreEqual (val_gnre.Length, t.Genres.Length, "Value Set: " + m);
                        for (int i = 0; i < val_gnre.Length; i ++) {
                              Assert.AreEqual (val_gnre [i], t.Genres [i], "Value Set: " + m);
                        }
                  });
                  
                  tag.Genres = val_mult;
                  
                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsFalse (t.IsEmpty, "Value Set (!IsEmpty): " + m);
                        Assert.AreEqual (val_mult.Length, t.Genres.Length, "Value Set: " + m);
                        for (int i = 0; i < val_mult.Length; i ++) {
                              Assert.AreEqual (val_mult [i], t.Genres [i], "Value Set: " + m);
                        }
                  });
                  
                  tag.Genres = new string [0];

                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsTrue (t.IsEmpty, "Value Cleared (IsEmpty): " + m);
                        Assert.AreEqual (0, t.Genres.Length, "Value Cleared (Zero): " + m);
                  });
            }
            
            [Test]
            public void TestTrack ()
            {
                  Riff.MovieIdTag tag = new Riff.MovieIdTag ();

                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsTrue (t.IsEmpty, "Initial (IsEmpty): " + m);
                        Assert.AreEqual (0, tag.Track, "Initial (Zero): " + m);
                  });
                  
                  tag.Track = 199;
                  
                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsFalse (t.IsEmpty, "Value Set (!IsEmpty): " + m);
                        Assert.AreEqual (199, tag.Track, "Value Set: " + m);
                  });
                  
                  tag.Track = 0;

                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsTrue (t.IsEmpty, "Value Cleared (IsEmpty): " + m);
                        Assert.AreEqual (0, t.Track, "Value Cleared (Zero): " + m);
                  });
            }
            
            [Test]
            public void TestTrackCount ()
            {
                  Riff.MovieIdTag tag = new Riff.MovieIdTag ();

                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsTrue (t.IsEmpty, "Initial (IsEmpty): " + m);
                        Assert.AreEqual (0, tag.TrackCount, "Initial (Zero): " + m);
                  });
                  
                  tag.TrackCount = 199;
                  
                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsFalse (t.IsEmpty, "Value Set (!IsEmpty): " + m);
                        Assert.AreEqual (199, tag.TrackCount, "Value Set: " + m);
                  });
                  
                  tag.TrackCount = 0;

                  TagTestWithSave (ref tag, delegate (Riff.MovieIdTag t, string m) {
                        Assert.IsTrue (t.IsEmpty, "Value Cleared (IsEmpty): " + m);
                        Assert.AreEqual (0, t.TrackCount, "Value Cleared (Zero): " + m);
                  });
            }
            
            [Test]
            public void TestClear ()
            {
                  Riff.MovieIdTag tag = new Riff.MovieIdTag ();
                  
                  tag.Title = "A";
                  tag.Performers = new string [] {"B"};
                  tag.AlbumArtists = new string [] {"C"};
                  tag.Composers = new string [] {"D"};
                  tag.Album = "E";
                  tag.Comment = "F";
                  tag.Genres = new string [] {"Blues"};
                  tag.Year = 123;
                  tag.Track = 234;
                  tag.TrackCount = 234;
                  tag.Disc = 234;
                  tag.DiscCount = 234;
                  tag.Lyrics = "G";
                  tag.Grouping = "H";
                  tag.BeatsPerMinute = 234;
                  tag.Conductor = "I";
                  tag.Copyright = "J";
                  tag.Pictures = new Picture [] {new Picture ("../examples/covers/sample_a.png")};
                  
                  Assert.IsFalse (tag.IsEmpty, "Should be full.");
                  tag.Clear ();
                  
                  Assert.IsNull (tag.Title, "Title");
                  Assert.AreEqual (0, tag.Performers.Length, "Performers");
                  Assert.AreEqual (0, tag.AlbumArtists.Length, "AlbumArtists");
                  Assert.AreEqual (0, tag.Composers.Length, "Composers");
                  Assert.IsNull (tag.Album, "Album");
                  Assert.IsNull (tag.Comment, "Comment");
                  Assert.AreEqual (0, tag.Genres.Length, "Genres");
                  Assert.AreEqual (0, tag.Year, "Year");
                  Assert.AreEqual (0, tag.Track, "Track");
                  Assert.AreEqual (0, tag.TrackCount, "TrackCount");
                  Assert.AreEqual (0, tag.Disc, "Disc");
                  Assert.AreEqual (0, tag.DiscCount, "DiscCount");
                  Assert.IsNull (tag.Lyrics, "Lyrics");
                  Assert.IsNull (tag.Comment, "Comment");
                  Assert.AreEqual (0, tag.BeatsPerMinute, "BeatsPerMinute");
                  Assert.IsNull (tag.Conductor, "Conductor");
                  Assert.IsNull (tag.Copyright, "Copyright");
                  Assert.AreEqual (0, tag.Pictures.Length, "Pictures");
                  Assert.IsTrue (tag.IsEmpty, "Should be empty.");
            }
            
            private delegate void TagTestFunc (Riff.MovieIdTag tag, string msg);
            
            private void TagTestWithSave (ref Riff.MovieIdTag tag,
                                          TagTestFunc testFunc)
            {
                  testFunc (tag, "Before Save");
                  //Extras.DumpHex (tag.Render ().Data);
                  tag = new Riff.MovieIdTag (tag.Render ());
                  testFunc (tag, "After Save");
            }
      }
}

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