public void GroupTestImpossible()
{
_manager.RegisterInitialActions(_actions);
//Arbre initial :
// G1 1
// T1 1.1
// T2 1.2
// T21 1.2.1
// T22 1.2.2
// T3 1.3
// T31 1.3.1
// T4 1.4
// Grouper G1
Assert.IsTrue(_manager.CanGroup(new ActionGridItem[]
{
(ActionGridItem)_collection[0]
}));
// Grouper G1 + T1
Assert.IsTrue(_manager.CanGroup(new ActionGridItem[]
{
(ActionGridItem)_collection[0],
(ActionGridItem)_collection[1],
}));
// Grouper T1
Assert.IsTrue(_manager.CanGroup(new ActionGridItem[]
{
(ActionGridItem)_collection[1],
}));
// Grouper T1 + T3
Assert.IsFalse(_manager.CanGroup(new ActionGridItem[]
{
(ActionGridItem)_collection[1],
(ActionGridItem)_collection[5],
}));
// Grouper T22 + T3 + T31
Assert.IsTrue(_manager.CanGroup(new ActionGridItem[]
{
(ActionGridItem)_collection[4],
(ActionGridItem)_collection[5],
(ActionGridItem)_collection[6],
}));
// Grouper T22 + T3 + T4
Assert.IsTrue(_manager.CanGroup(new ActionGridItem[]
{
(ActionGridItem)_collection[4],
(ActionGridItem)_collection[5],
(ActionGridItem)_collection[7],
}));
}