public void TestFSimulateAllChildrenOnce()
{
UltimateBoard b = Games.GetBoard(Games.Draw, 53);
b.Play((1, 0, 1, 0));
b.Play((1, 0, 0, 0));
b.Play((0, 1, 2, 0));
b.Play((1, 0, 1, 2)); // This board position has four available plays.
GameTreeNode t = new GameTreeNode((1, 0, 1, 2));
for (int i = 0; i < 5; i++)
{
// The second iteration adds the four children and does a simulation on one
// of them. The next three should each do a simulation on a different child
// without adding any grandchildren.
t.Simulate(new UltimateBoard(b));
}
List <(int, int, int, int)> avail = b.GetAvailablePlays();
StringBuilder results = new StringBuilder();
foreach ((int, int, int, int)play in avail)
{
GameTreeNode grandchild = null;
try
{
grandchild = t.GetChild(play).GetChild((1, 0, 0, 2)); // (1, 0, 0, 2) is an available response to each available play.
results.Append(grandchild.Play.ToString());
}
catch // The above will throw an exception if the grandchild hasn't been added.
{
results.Append("OK;");
}
}
Assert.That(results.ToString(), Is.EqualTo("OK;OK;OK;OK;")); // t should not contain any of the grandchildren.
}
public void TestBAddChildren()
{
UltimateBoard b = Games.GetBoard(Games.XWins, 43);
GameTreeNode t = new GameTreeNode(Games.XWins[42]);
t.AddChildren(b);
List <(int, int, int, int)> avail = b.GetAvailablePlays();
List <(int, int, int, int)> children = new List <(int, int, int, int)>();
foreach ((int, int, int, int)play in avail)
{
children.Add(t.GetChild(play).Play); // Get the specified child and retrieve its play
}
Assert.That(children, Is.EquivalentTo(avail));
}
public void TestBPlaysAvailableAfterFirst()
{
UltimateBoard b = new UltimateBoard();
b.Play((0, 0, 0, 2));
List <(int, int, int, int)> avail = new List <(int, int, int, int)>();
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
avail.Add((0, 2, i, j)); // Add all squares on small board (0, 2);
}
}
Assert.That(b.GetAvailablePlays(), Is.EquivalentTo(avail));
}
public void TestAAllPlaysInitiallyAvailable()
{
List <(int, int, int, int)> allPlays = new List <(int, int, int, int)>();
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
for (int m = 0; m < 3; m++)
{
for (int n = 0; n < 3; n++)
{
allPlays.Add((i, j, m, n)); // Add each square on the board.
}
}
}
}
UltimateBoard b = new UltimateBoard();
Assert.That(b.GetAvailablePlays(), Is.EquivalentTo(allPlays));
}