public MoveAtomCommand(Atom atom, double newX, double newY)
{
this.atom = atom;
this.newX = newX;
this.newY = newY;
oldX = atom.X;
oldY = atom.Y;
}
public AddAtomCommand(ObservableCollection<Atom> atoms, Atom atom)
{
this.atoms = atoms;
this.atom = atom;
}
public void TestRemoveSelectionCommand()
{
ViewModel vm = new ViewModel();
//prepare data
Atom atom1 = new Atom(1);
Atom atom2 = new Atom(1);
Atom atom3 = new Atom(1);
Binding binding1 = new Binding(atom1, atom2);
Binding binding2 = new Binding(atom2, atom3);
vm.Atoms.Add(atom1);
vm.Atoms.Add(atom2);
vm.Atoms.Add(atom3);
vm.Bindings.Add(binding1);
vm.Bindings.Add(binding2);
//execute
vm.SelectAllCommand.Execute(null);
vm.RemoveModelCommand.Execute(null);
//verify
//selection removed
Assert.AreEqual(0, vm.Atoms.Count);
Assert.AreEqual(0, vm.Bindings.Count);
//undo
vm.UndoCommand.Execute(null);
//verify undo
Assert.AreEqual(3, vm.Atoms.Count);
Assert.AreEqual(2, vm.Bindings.Count);
//redo
vm.RedoCommand.Execute(null);
//verify redo
Assert.AreEqual(0, vm.Atoms.Count);
Assert.AreEqual(0, vm.Bindings.Count);
}
