public void WhenGameStarts_Tower2AndTower3_AreEmpty()
{
const int IRRELEVANT_NUMBER = 1;
var game = new Game(IRRELEVANT_NUMBER);
game.Tower2.Disks.Count.Should().Be(0);
game.Tower3.Disks.Count.Should().Be(0);
}
public void WhenGameStarts_DisksAreInCorrectOrder()
{
int numberOfDisks = 4;
var game = new Game(numberOfDisks);
game.IsValid.Should().Be(true);
}
public void When_Move1_ThenDiskShouldMoveFromTower1ToTower2()
{
var game = new Game(2);
game.MoveDisk(game.Tower1, game.Tower2);
game.Tower1.Disks.Count.Should().Be(1);
game.Tower2.Disks.Count.Should().Be(1);
game.Tower3.Disks.Count.Should().Be(0);
}
public void When_DistributeDiskOverTowerTwoAndThree_ThenGameIsNotFinished()
{
var game = new Game(2);
game.MoveDisk(game.Tower1, game.Tower2);
game.MoveDisk(game.Tower1, game.Tower3);
game.IsValid.Should().Be(true);
game.IsFinished.Should().Be(false);
}
public void When_MoveDisksOverEachOtherTwice_ThenGameIsFinished()
{
// this is a solution for 2 disks
var game = new Game(2);
game.MoveDisk(game.Tower1, game.Tower2);
game.MoveDisk(game.Tower1, game.Tower3);
game.MoveDisk(game.Tower2, game.Tower3);
game.Tower1.Disks.Count.Should().Be(0);
game.Tower2.Disks.Count.Should().Be(0);
game.Tower3.Disks.Count.Should().Be(2);
game.IsFinished.Should().Be(true);
}
public void WhenGameStarts_TowerOneHasNDisks()
{
int numberOfDisks = 4;
var game = new Game(numberOfDisks);
game.Tower1.Disks.Count.Should().Be(numberOfDisks);
}
public void WhenTowerAHasTwoDisks_TowerCShouldHaveTwoDisks()
{
var game = new Game(2);
game.Start();
game.Tower1.Disks.Count.Should().Be(0);
game.Tower2.Disks.Count.Should().Be(0);
game.Tower3.Disks.Count.Should().Be(2);
}
public void WhenTowerAHasThreeDisks_TowerCShouldHaveThreeDisks()
{
var game = new Game(3);
game.Start();
game.Tower1.Disks.Count.Should().Be(0);
game.Tower2.Disks.Count.Should().Be(0);
game.Tower3.Disks.Count.Should().Be(3);
game.IsFinished.Should().Be(true);
game.IsValid.Should().Be(true);
}
public void WhenGameStarts_ItShouldMoveDiskFromTower1ToTower3()
{
var game = new Game(1);
game.Start();
game.Tower1.Disks.Count.Should().Be(0);
game.Tower2.Disks.Count.Should().Be(0);
game.Tower3.Disks.Count.Should().Be(1);
}