public void SourceMoveUp()
{
var sources = new SongSource[] {
SongSource.Parse("Book / 1", song),
SongSource.Parse("Book / 2", song),
SongSource.Parse("Book / 3", song)
};
song.SetSources(sources);
ClearUndoRedoStack();
song.MoveSourceUp(sources[2]);
Assert.Equal(3, song.Sources.Count);
Assert.ReferenceEquals(sources[2], song.FirstSource);
Assert.Equal(1, UndoStackSize);
Undo();
for (int i = 0; i < 3; i++)
{
Assert.Equal("Book", song.Sources[i].Songbook);
Assert.Equal(i + 1, song.Sources[i].Number);
}
Redo();
Assert.Equal(3, song.Sources.Count);
Assert.ReferenceEquals(sources[2], song.FirstSource);
}
public void SourceSetUndoRedo()
{
song.SetSources(new SongSource[] { });
this.ClearUndoRedoStack();
Assert.Equal(1, song.Sources.Count);
var sources = new SongSource[] {
SongSource.Parse("Book / 1", song),
SongSource.Parse("Book / 2", song),
SongSource.Parse("Book / 3", song)
};
Assert.Equal(0, UndoStackSize);
song.SetSources(sources);
Assert.Equal(1, UndoStackSize);
Undo();
Assert.Equal(1, song.Sources.Count);
Assert.Equal(String.Empty, song.FirstSource.ToString());
Redo();
Assert.Equal(3, song.Sources.Count);
for (int i = 0; i < 3; i++)
{
Assert.Equal("Book", song.Sources[i].Songbook);
Assert.Equal(i + 1, song.Sources[i].Number);
}
}
public void SongSourceRemoveClean()
{
var weakRef = new WeakReference(song.FirstSource);
song.IsUndoEnabled = false;
song.SetSources(new SongSource[] { SongSource.Parse("Book / 1", song) });
GC.Collect();
Assert.False(weakRef.IsAlive);
}
public void SourceParse()
{
var source = SongSource.Parse("Book / 1", song);
Assert.Equal("Book", source.Songbook);
Assert.Equal(1, source.Number);
// parsing a source should not influence the undo stack
Assert.Equal(0, UndoStackSize);
Assert.Equal(0, RedoStackSize);
}
public void SourceSetSingle()
{
song.SetSources(new SongSource[] { });
Assert.Equal(1, song.Sources.Count);
Assert.NotNull(song.FirstSource);
var source = SongSource.Parse("Book / 1", song);
song.SetSources(new SongSource[] { source });
Assert.Equal(1, song.Sources.Count);
Assert.Equal("Book", song.Sources[0].Songbook);
Assert.Equal(1, song.Sources[0].Number);
Assert.ReferenceEquals(song.Sources[0], song.FirstSource);
}
public void SourceSetMultiple()
{
song.SetSources(new SongSource[] { });
Assert.Equal(1, song.Sources.Count);
var sources = new SongSource[] {
SongSource.Parse("Book / 1", song),
SongSource.Parse("Book / 2", song),
SongSource.Parse("Book / 3", song)
};
song.SetSources(sources);
Assert.Equal(3, song.Sources.Count);
for (int i = 0; i < 3; i++)
{
Assert.Equal("Book", song.Sources[i].Songbook);
Assert.Equal(i + 1, song.Sources[i].Number);
}
}
public void SourceRemoveUndoRedo()
{
var sources = new SongSource[] {
SongSource.Parse("Book / 1", song),
SongSource.Parse("Book / 2", song),
SongSource.Parse("Book / 3", song)
};
song.SetSources(sources);
ClearUndoRedoStack();
song.RemoveSource(song.FirstSource);
song.RemoveSource(song.FirstSource);
Assert.Equal(1, song.Sources.Count);
Undo();
Undo();
for (int i = 0; i < 3; i++)
{
Assert.Equal("Book", song.Sources[i].Songbook);
Assert.Equal(i + 1, song.Sources[i].Number);
}
Redo();
Redo();
Assert.Equal(1, song.Sources.Count);
}