public static Algorithm Parse(
string baseName,
IState initialState,
IState finalState,
XElement element,
Solver solver)
{
var(algorithm, colors) = GetBaseAlgorithm(element, solver);
algorithm = algorithm
.WithName(BuildName(baseName, element.Attribute(nameof(Algorithm.Name))?.Value))
.WithDescription(element.Element(nameof(Algorithm.Description))?.Value);
var movesText = element.Element(nameof(Algorithm.Moves))?.Value;
if (!string.IsNullOrWhiteSpace(movesText))
{
algorithm = algorithm.WithMoves(ParseMoves(movesText));
}
var myInitialState = GetState(initialState, element.Element(nameof(Algorithm.InitialState)), solver);
var myFinishedState = GetState(finalState, element.Element(nameof(Algorithm.FinishedState)), solver);
return(algorithm
.WithInitialState(AndState.Combine(algorithm.InitialState, myInitialState))
.WithFinishedState(AndState.Combine(algorithm.FinishedState, myFinishedState))
.WithColors(colors));
}
public Algorithm WithInitialState(IState state)
=> state == this.InitialState
? this
: new Algorithm(
this.Name,
this.Description,
AndState.Combine(this.InitialState, state),
this.FinishedState,
this.Moves);
public void Converts_to_OrState_with_each_part_negationed()
{
var state1 = SingleColorState.Create("Left", "Blue");
var state2 = SingleColorState.Create("Front", "Red");
var stete3 = SingleColorState.Create("Right", "Green");
var andState = new AndState(ImmutableArray.Create <IState>(state1, state2, stete3));
var negatedState = Assert.IsType <OrState>(andState.Negate());
Assert.Collection(
negatedState.States,
state => Assert.Equal("!Left Blue", state.ToString()),
state => Assert.Equal("!Front Red", state.ToString()),
state => Assert.Equal("!Right Green", state.ToString()));
}
public void False_if_all_parts_are_true()
{
var trueState1 = A.Fake <IState>();
A.CallTo(() => trueState1.Matches(A <Puzzle> .Ignored)).Returns(true);
var trueState2 = A.Fake <IState>();
A.CallTo(() => trueState2.Matches(A <Puzzle> .Ignored)).Returns(true);
var trueState3 = A.Fake <IState>();
A.CallTo(() => trueState3.Matches(A <Puzzle> .Ignored)).Returns(true);
var andState = new AndState(ImmutableArray.Create(trueState1, trueState2, trueState3));
Assert.False(andState.Negate().Matches(null));
}
public void False_if_any_part_is_false(bool value1, bool value2, bool value3)
{
var state1 = A.Fake <IState>();
A.CallTo(() => state1.Matches(A <Puzzle> .Ignored)).Returns(value1);
var state2 = A.Fake <IState>();
A.CallTo(() => state2.Matches(A <Puzzle> .Ignored)).Returns(value2);
var state3 = A.Fake <IState>();
A.CallTo(() => state3.Matches(A <Puzzle> .Ignored)).Returns(value3);
var andState = new AndState(ImmutableArray.Create(state1, state2, state3));
Assert.False(andState.Matches(null));
}