public void BoggleNode_IsImmediatelyAbove_ReturnsTrue_WhenCallerIsImmediatelyAboveArg()
{
BoggleNode n1 = new BoggleNode();
BoggleNode n2 = new BoggleNode();
n1.X = 10;
n1.Y = 4;
n2.X = n1.X;
n2.Y = n1.Y + 1;
Assert.IsTrue(n1.IsImmediatelyAbove(n2));
}
public void BoggleNode_IsImmediatelyAbove_ReturnsFalse_WhenCallerIsNotImmediatelyAboveArg()
{
BoggleNode n1 = new BoggleNode();
BoggleNode n2 = new BoggleNode();
n1.X = 10;
n1.Y = 10;
// left,down
n2.X = n1.X - 1;
n2.Y = n1.Y + 1;
Assert.IsFalse(n1.IsImmediatelyAbove(n2));
// left
n2.X = n1.X - 1;
n2.Y = n1.Y;
Assert.IsFalse(n1.IsImmediatelyAbove(n2));
// left,up
n2.X = n1.X - 1;
n2.Y = n1.Y - 1;
Assert.IsFalse(n1.IsImmediatelyAbove(n2));
// right,up
n2.X = n1.X + 1;
n2.Y = n1.Y - 1;
Assert.IsFalse(n1.IsImmediatelyAbove(n2));
// right
n2.X = n1.X + 1;
n2.Y = n1.Y;
Assert.IsFalse(n1.IsImmediatelyAbove(n2));
// right,down
n2.X = n1.X + 1;
n2.Y = n1.Y + 1;
Assert.IsFalse(n1.IsImmediatelyAbove(n2));
}