public Pouring Perform(Pouring pouring)
{
if (!CanPerform(pouring))
{
throw new InvalidOperationException();
}
var stateCopy = pouring.State.ToArray();
stateCopy[index] = 0;
return new Pouring(pouring.Capacities, stateCopy, pouring, this);
}
public Pouring Perform(Pouring pouring)
{
if(!CanPerform(pouring))
{
throw new InvalidOperationException();
}
var pourAmount = Math.Min(pouring.State[@from], pouring.Capacities[to] - pouring.State[to]);
var stateCopy = pouring.State.ToArray();
stateCopy[@from] = stateCopy[@from] - pourAmount;
stateCopy[to] = stateCopy[to] + pourAmount;
return new Pouring(pouring.Capacities, stateCopy, pouring, this);
}
public void Test_can_empty_and_can_pour()
{
var capacities = new[] {5, 3};
var generator = new PouringGenerator(capacities.Length);
var pouring = new Pouring(capacities, new[] {0, 2}, null, null);
var generation = generator.GetNextGeneration(pouring).ToArray();
var expectedGeneration = new[]
{
new Pouring(capacities, new[] {0, 0}, pouring, new Empty(1)),
new Pouring(capacities, new[] {capacities[0], 2}, pouring, new Fill(0)),
new Pouring(capacities, new[] {0, capacities[1]}, pouring, new Fill(1)),
new Pouring(capacities, new[] {2, 0}, pouring, new Pour(1, 0)),
};
CollectionAssert.AreEquivalent(expectedGeneration, generation);
}
public void MoveWasMade(Pouring pouring)
{
VialSetHistory.RegisterMove(pouring);
RefreshControls();
}
public bool CanPerform(Pouring pouring)
{
return pouring.State[@from] > 0
&& pouring.State[to] < pouring.Capacities[to];
}
public bool CanPerform(Pouring pouring)
{
return pouring.State[index] > 0;
}
public void Test_only_one_capacity_set()
{
var value = 4;
var capacities = new[] { 5 };
var pouringGeneratorFactory = MockRepository.GenerateStrictMock<IPouringGeneratorFactory>();
var pouringGenerator = MockRepository.GenerateStrictMock<IPouringGenerator>();
var solver = new Solver(
pouringGeneratorFactory
);
pouringGeneratorFactory
.Expect(f => f.Create(capacities.Length))
.Return(pouringGenerator);
var solutionPouring = new Pouring(capacities, new[] { value }, null, null);
pouringGenerator
.Stub(g => g.GetNextGeneration(null))
.IgnoreArguments()
.Return(new[]
{
solutionPouring,
});
var solutions = solver
.SolutionSequence(value, capacities)
.ToArray();
Assert.AreEqual(1, solutions.Length);
Assert.AreEqual(solutionPouring, solutions[0].States().Last());
}
public bool CanPerform(Pouring pouring)
{
return true;
}