public void TestFillBasicBoundary()
{
Map map = new Map(2, 2);
map.SetTerrain(1, 0, maskTerrain);
Rectangle expectedRect = new Rectangle(0, 0, 2, 2);
Rectangle rect = map.Fill(0, 1, fillTerrain);
HashSet<PointI2D> fillBoundary = map.FillBoundary;
// diagonal fill boundary
Assert.AreEqual(2, fillBoundary.Count);
}
public void TestFillComplexBoundary()
{
Map map = new Map(5, 5);
// mask top and bottom rows
for(int i=0; i<5; i++)
{
map.SetTerrain(i, 0, maskTerrain);
map.SetTerrain(i, 4, maskTerrain);
}
// mask sides
for(int i=1; i<4; i++)
{
map.SetTerrain(0, i, maskTerrain);
map.SetTerrain(4, i, maskTerrain);
}
// mask center inset
map.SetTerrain(1, 2, maskTerrain);
Rectangle rect = map.Fill(1, 1, fillTerrain);
Assert.AreEqual(8, map.FillBoundary.Count);
Assert.IsTrue(map.FillBoundary.Contains(new PointI2D(1, 1)));
Assert.IsTrue(map.FillBoundary.Contains(new PointI2D(3, 2)));
Assert.IsTrue(map.FillBoundary.Contains(new PointI2D(1, 3)));
}
public void TestSimpleMaskFill()
{
Map map = new Map(2, 2);
map.SetTerrain(1, 0, maskTerrain);
Rectangle expectedRect = new Rectangle(0, 0, 2, 2);
Rectangle rect = map.Fill(0, 1, fillTerrain);
Assert.AreEqual(expectedRect, rect);
Assert.AreEqual(maskTerrain, map.GetTerrain(1, 0));
Assert.AreEqual(fillTerrain, map.GetTerrain(1, 1));
Assert.AreEqual(fillTerrain, map.GetTerrain(0, 0));
}