public void Link_EngineWithMatching_CorrectLink()
{
var engine = new DominoTileEntity(12, 12, true);
var tile = new DominoTileEntity(12, 11);
tile.Link(engine);
Assert.Equal(engine, tile.GetLinkedTiles().First());
Assert.Equal("HalfLinkedState", tile.GetStateType().Name);
Assert.Equal(1, tile.GetUnlinkedValues().Count());
Assert.Equal(11, tile.GetUnlinkedValues().First());
}
public void Link_OnAlreadyLinkedValue_ThrowsException()
{
var tileOne = new DominoTileEntity(1, 2);
var tileTwo = new DominoTileEntity(2, 3);
var tileThree = new DominoTileEntity(2, 4);
tileOne.Link(tileTwo);
Action linkThreeOnTwo = () => tileTwo.Link(tileThree);
Action linkTwoOnThree = () => tileThree.Link(tileTwo);
Assert.Equal(1, tileTwo.GetUnlinkedValues().Count());
Assert.Equal(3, tileTwo.GetUnlinkedValues().First());
Assert.Equal("HalfLinkedState", tileTwo.GetStateType().Name);
Assert.ThrowsAny <Exception>(linkThreeOnTwo);
Assert.ThrowsAny <Exception>(linkTwoOnThree);
}
public void Link_ThreeTiles_LinkedRefsAreCorrect()
{
var engine = new DominoTileEntity(12, 12, true);
var tileOne = new DominoTileEntity(12, 11);
var tileTwo = new DominoTileEntity(11, 10);
tileOne.Link(engine);
tileTwo.Link(tileOne);
Assert.True(tileOne.IsLinked(engine));
Assert.True(tileTwo.IsLinked(tileOne));
Assert.Equal("FullyLinkedState", tileOne.GetStateType().Name);
Assert.Equal("HalfLinkedState", tileTwo.GetStateType().Name);
Assert.Equal(1, tileTwo.GetUnlinkedValues().Count());
Assert.Equal(10, tileTwo.GetUnlinkedValues().First());
}
public void Link_TwoMatching_CorrectLink()
{
var tileOne = new DominoTileEntity(1, 2);
var tileTwo = new DominoTileEntity(2, 3);
tileTwo.Link(tileOne);
Assert.Equal(tileOne, tileTwo.GetLinkedTiles().First());
Assert.Equal("HalfLinkedState", tileTwo.GetStateType().Name);
Assert.Equal(1, tileTwo.GetUnlinkedValues().Count());
Assert.Equal(3, tileTwo.GetUnlinkedValues().First());
Assert.Equal(tileTwo, tileOne.GetLinkedTiles().First());
Assert.Equal("HalfLinkedState", tileOne.GetStateType().Name);
Assert.Equal(1, tileOne.GetUnlinkedValues().Count());
Assert.Equal(1, tileOne.GetUnlinkedValues().First());
}