public (BackgammonAction?action, bool hasAction) GetAutomaticActions(BackgammonState state)
{
try
{
switch (state)
{
case { Winner: null, CurrentPlayer : null, DiceRolls : { White : { Count : 1 }, Black : { Count : 1 } } } :
public void CatchWhenNoMovesCanBeMadeByWhite()
{
var rules = new Rules(new FakeDieRoller());
var state = new BackgammonState()
{
Undo = null,
CurrentPlayer = Player.White,
DiceRolls = new DiceState(Player.White, new[] { 4, 5 }, Array.Empty <int>()),
Points = new[]
{
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
Black(2),
Black(2),
NoCheckers(),
NoCheckers(),
NoCheckers(),
White(2),
},
Bar = new PointState(0, 0)
};
var(invalid, hasAction) = rules.GetAutomaticActions(state);
Assert.True(hasAction);
var rolls = Assert.IsType <BackgammonCannotUseRoll>(invalid);
Assert.Collection(rolls.DieValues,
a => Assert.Equal(4, a),
a => Assert.Equal(5, a)
);
}
public void CatchWhenCannotMoveOffBarByBlack()
{
var rules = new Rules(new FakeDieRoller());
var state = new BackgammonState()
{
Undo = null,
CurrentPlayer = Player.Black,
DiceRolls = new DiceState(Player.Black, new[] { 6 }, Array.Empty <int>()),
Points = new[]
{
Black(2),
NoCheckers(),
NoCheckers(),
NoCheckers(),
White(2),
White(2),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
},
Bar = new PointState(white: 0, black: 1)
};
var(invalid, hasAction) = rules.GetAutomaticActions(state);
Assert.True(hasAction);
var rolls = Assert.IsType <BackgammonCannotUseRoll>(invalid);
Assert.Collection(rolls.DieValues,
a => Assert.Equal(6, a)
);
}
public void AllowValidMovesByWhiteInOrder()
{
var rules = new Rules(new FakeDieRoller());
var state = new BackgammonState()
{
Undo = null,
CurrentPlayer = Player.White,
DiceRolls = new DiceState(Player.White, new[] { 4, 5 }, Array.Empty <int>()),
Points = new[]
{
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
Black(2),
NoCheckers(),
NoCheckers(),
NoCheckers(),
NoCheckers(),
Black(2),
NoCheckers(),
NoCheckers(),
NoCheckers(),
White(1),
},
Bar = new PointState(0, 0)
};
var(_, hasAction) = rules.GetAutomaticActions(state);
Assert.False(hasAction);
}
