public void CanToggleByTwo()
{
var grid = new ShadingLightingGrid();
grid.ProcessInstruction("toggle", 0, 0, 999, 999);
var lightsCount = grid.HowManyLightsAreLit();
Assert.That(lightsCount, Is.EqualTo(2000000));
}
public void CanIncrease()
{
var grid = new ShadingLightingGrid();
grid.ProcessInstruction("turn on", 0, 0, 0, 0);
var lightsCount = grid.HowManyLightsAreLit();
Assert.That(lightsCount, Is.EqualTo(1));
grid.ProcessInstruction("turn on", 0, 0, 0, 0);
lightsCount = grid.HowManyLightsAreLit();
Assert.That(lightsCount, Is.EqualTo(2));
}
public void DimmingCannotDropBelowZero()
{
var grid = new ShadingLightingGrid();
grid.ProcessInstruction("toggle", 0, 0, 999, 999);
var lightsCount = grid.HowManyLightsAreLit();
Assert.That(lightsCount, Is.EqualTo(2000000));
grid.ProcessInstruction("turn off", 0, 0, 0, 0);
grid.ProcessInstruction("turn off", 0, 0, 0, 0);
lightsCount = grid.HowManyLightsAreLit();
Assert.That(lightsCount, Is.EqualTo(2000000 - 2));
grid.ProcessInstruction("turn off", 0, 0, 0, 0);
grid.ProcessInstruction("turn off", 0, 0, 0, 0);
lightsCount = grid.HowManyLightsAreLit();
Assert.That(lightsCount, Is.EqualTo(2000000 - 2));
}
