public void TestIndexing()
{
var hgc = new HexGridCollectionAdapter(3, 3);
var allHexes = hgc.ToList();
// this assumes that hexagons are generated column by column
var i = 0;
Assert.AreEqual(allHexes[i++], hgc.GetHex(HexCoords.CreateFromOffset(0, 0)));
Assert.AreEqual(allHexes[i++], hgc.GetHex(HexCoords.CreateFromOffset(1, 0)));
Assert.AreEqual(allHexes[i++], hgc.GetHex(HexCoords.CreateFromOffset(2, 0)));
Assert.AreEqual(allHexes[i++], hgc.GetHex(HexCoords.CreateFromOffset(0, 1)));
Assert.AreEqual(allHexes[i++], hgc.GetHex(HexCoords.CreateFromOffset(1, 1)));
Assert.AreEqual(allHexes[i++], hgc.GetHex(HexCoords.CreateFromOffset(2, 1)));
Assert.AreEqual(allHexes[i++], hgc.GetHex(HexCoords.CreateFromOffset(0, 2)));
Assert.AreEqual(allHexes[i++], hgc.GetHex(HexCoords.CreateFromOffset(1, 2)));
Assert.AreEqual(allHexes[i], hgc.GetHex(HexCoords.CreateFromOffset(2, 2)));
Assert.ThrowsException <IndexOutOfRangeException>(() => hgc.GetHex(HexCoords.CreateFromOffset(-1, 0)));
Assert.ThrowsException <IndexOutOfRangeException>(() => hgc.GetHex(HexCoords.CreateFromOffset(0, -1)));
Assert.ThrowsException <IndexOutOfRangeException>(() => hgc.GetHex(HexCoords.CreateFromOffset(3, 0)));
Assert.ThrowsException <IndexOutOfRangeException>(() => hgc.GetHex(HexCoords.CreateFromOffset(3, 2)));
Assert.ThrowsException <IndexOutOfRangeException>(() => hgc.GetHex(HexCoords.CreateFromOffset(0, 3)));
}
public void TestSize()
{
var hgc = new HexGridCollectionAdapter(3, 3);
var hexes = hgc.ToList();
Assert.AreEqual(hexes.Count, 3 * 3);
}