Example #1
0
        public void CellLifeService_ShouldCorrectly_CalculatesNeighbors()
        {
            foreach (var leftState in new[] { false, true })
            {
                for (var leftVertSum = 0; leftVertSum <= 2; leftVertSum++)
                {
                    var leftCell = Mock.Of <ICell>(cell => cell.State == leftState && cell.VertSum == leftVertSum + (leftState ? 1 : 0));

                    foreach (var rightState in new[] { false, true })
                    {
                        for (var rightVertSum = 0; rightVertSum <= 2; rightVertSum++)
                        {
                            var rightCell = Mock.Of <ICell>(cell => cell.State == rightState && cell.VertSum == rightVertSum + (rightState ? 1 : 0));

                            for (var bornCount = 0; bornCount <= 8; bornCount++)
                            {
                                for (var surviveCount = 0; surviveCount <= 8; surviveCount++)
                                {
                                    var lifePreset = Mock.Of <ILifePreset>();
                                    Mock.Get(lifePreset).Setup(preset => preset.Born(It.Is <int>(value => value == bornCount))).Returns(true);
                                    Mock.Get(lifePreset).Setup(preset => preset.Survive(It.Is <int>(value => value == surviveCount))).Returns(true);

                                    foreach (var currentState in new[] { false, true })
                                    {
                                        for (var currentVertSum = 0; currentVertSum <= 2; currentVertSum++)
                                        {
                                            var  currentCell       = Mock.Of <ICell>(cell => cell.State == currentState && cell.VertSum == currentVertSum + (currentState ? 1 : 0));
                                            bool?expectedNextState = false;
                                            if (currentState)
                                            {
                                                expectedNextState = (leftCell.VertSum + currentCell.VertSum + rightCell.VertSum - 1) == surviveCount;
                                            }
                                            else
                                            {
                                                expectedNextState = (leftCell.VertSum + currentCell.VertSum + rightCell.VertSum) == bornCount;
                                            }
                                            if (expectedNextState.Value == currentState)
                                            {
                                                expectedNextState = null;
                                            }

                                            // execution
                                            var lifeCellService = new MooreCellLifeService(lifePreset);
                                            lifeCellService.Iterate(leftCell, currentCell, rightCell);

                                            // asserts
                                            lifeCellService.Should().NotBeNull();
                                            //currentCell.NextState.Should().HaveValue().And.Be(expectedNextState);
                                            currentCell.NextState.Should().Be(expectedNextState);
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
Example #2
0
        public void CellLifeService_ShouldThrow_ExceptionOnNullLifePreset()
        {
            ICellLifeService lifeCellService = null;
            ILifePreset      lifePreset      = null;
            var message = $"Value cannot be null.{Environment.NewLine}Parameter name: {nameof(lifePreset)}";
            //var message = $"Exception of type 'System.ArgumentNullException' was thrown.{Environment.NewLine}Parameter name: {nameof(lifePreset)}";
            var exception = Record.Exception(() => lifeCellService = new MooreCellLifeService(lifePreset));

            lifeCellService.Should().BeNull();
            exception.Should().NotBeNull();
            exception.Message.Should().Be(message);
        }
Example #3
0
        public void CellLifeService_Should_BeInitialize()
        {
            var lifeCellService = new MooreCellLifeService(Mock.Of <ILifePreset>());

            lifeCellService.Should().NotBeNull();
        }
Example #4
0
        public void Automaton_Should_ChangeLightingInMooreAndLife()
        {
            const int width  = 10;
            const int height = 10;

            var cellLifeService = new MooreCellLifeService(KnownLifePresets.Life);
            var automaton       = new Automaton(width, height, cellLifeService, Mock.Of <ILogger>());
            var pointList       = new List <Point>(
                new[] {
                // Lighting
                new Point(4, 3),
                new Point(4, 4),
                new Point(4, 5),
            });
            var secondPointList = new List <Point>(
                new[] {
                new Point(3, 4),
                new Point(4, 4),
                new Point(5, 4),
            });

            var statistics = new Statistics();

            automaton.SetPoints(pointList, ref statistics);

            for (var iteration = 0; iteration < 10; iteration++)
            {
                // iteration
                //       X
                // from  X  to XXX and backward
                //       X
                //
                automaton.Iterate(ref statistics);

                // checks
                statistics.Borned.Should().Be(2);
                statistics.Died.Should().Be(-2);
                automaton.Count.Should().Be(3);

                for (var x = 0; x < width; x++)
                {
                    for (var y = 0; y < height; y++)
                    {
                        var cell  = automaton.GetCell(x, y);
                        var point = new Point(x, y);

                        if (iteration % 2 == 0 && secondPointList.Contains(point))
                        {
                            cell.Should().BeLivingCellNearOther();
                            if (x == y)
                            {
                                cell.Age.Should().Be((short)(iteration + 2));
                            }
                            else
                            {
                                cell.Age.Should().Be(1);
                            }
                        }
                        else if (iteration % 2 == 1 && pointList.Contains(point))
                        {
                            cell.Should().BeLivingCellNearOther();
                            if (x == y)
                            {
                                cell.Age.Should().Be((short)(iteration + 2));
                            }
                            else
                            {
                                cell.Age.Should().Be(1);
                            }
                        }
                        else
                        {
                            cell.Should().NotBeNull().And.BeDeadCellNearOther();
                        }
                    }
                }
            }
        }