public void Apply_SetsStatusToDead_WhenCalled()
{
// Arrange
CellInformation info = CreateCellInformation();
UnderpopulationRule sut = CreateSut();
// Act
sut.Apply(info);
// Assert
info.Status.ShouldEqual(Cell.Status.Dead);
}
public void Priority_ReturnsInteger_WhenCalled()
{
// Arrange
CellInformation info = CreateCellInformation();
UnderpopulationRule sut = CreateSut();
// Act
sut.Apply(info);
// Assert
sut.Priority.ShouldEqual(1);
}
public void Initialize_AddsLessThanRule_WhenCalled()
{
// Arrange
CellInformation info = CreateCellInformation();
UnderpopulationRule sut = CreateSut();
// Act
sut.Initialize(info);
// Assert
sut.GetConditions().Last().ShouldBeInstanceOf <IsLessThan>();
}
public void Initialize_AddsConditions_WhenCalled()
{
// Arrange
CellInformation info = CreateCellInformation();
UnderpopulationRule sut = CreateSut();
// Act
sut.Initialize(info);
// Assert
sut.GetConditions().Count().ShouldEqual(1);
}
public void IsValid_ReturnsTrueOrFalse_ForGivenNeighbours(int neighbours,
bool expected)
{
// Arrange
CellInformation info = CreateCellInformation(neighbours);
UnderpopulationRule sut = CreateSut();
sut.Initialize(info);
// Act
bool actual = sut.IsValid();
// Assert
Assert.Equal(expected,
actual);
}
public void Should_Test_UnderpopulationRule_Returns_False()
{
// arrange
var fileInput = new FileReader();
var grid = new Universe(fileInput);
var rule = new UnderpopulationRule(grid);
grid.SetUpGrid(Constants.GridLength, Constants.GridWidth);
grid.Initialise();
var col = 1;
var row = 1;
var expected = false;
// act
var result = rule.Check(row, col);
// assert
Assert.Equal(expected, result);
}
public void Should_Test_UnderpopulationRule(int cellX, int cellY, bool expected)
{
// arrange
var fileInput = new FileReader();
var grid = new Universe(fileInput);
var rule = new UnderpopulationRule(grid);
grid.SetUpGrid(Constants.GridLength, Constants.GridWidth);
grid.Initialise();
grid.SwitchCellState(0, 0);
grid.SwitchCellState(0, 1);
grid.SwitchCellState(0, 2);
grid.SwitchCellState(1, 0);
grid.SwitchCellState(1, 2);
grid.SwitchCellState(2, 0);
grid.SwitchCellState(2, 1);
// act
var result = rule.Check(cellX, cellY);
// assert
Assert.Equal(expected, result);
}
private UnderpopulationRule CreateSut()
{
var underpopulationRule = new UnderpopulationRule();
return(underpopulationRule);
}