public void two_hundred_and_twenth_five_degree_from_origin_spec()
{
Location l0 = new Location(0, 0);
Location quadrant2 = new Location(-5, 5);
Location quadrant1 = new Location(5, 0);
float angle = l0.angle_between(quadrant2, quadrant1);
Specify.That(Math.Round(angle, 5)).ShouldEqual(Math.Round((5 * Math.PI) / 4, 5));
}
public void two_hundred_and_seventy_degree_spec()
{
Location l0 = new Location(10, 10);
Location l1 = new Location(5, 15);
Location l2 = new Location(15, 15);
float angle = l0.angle_between(l1, l2);
Specify.That(Math.Round(angle, 5)).ShouldEqual(Math.Round((3 * Math.PI) / 2, 5));
}
public void two_angles_per_quadrant_test()
{
Location l0 = new Location(0, 0);
Location quadrant1 = new Location(1, 0);
Location loc;
loc = new Location(-2, -1);
Specify.That(Math.Round(l0.angle_between(quadrant1, loc), 5)).ShouldEqual(3.60524);
loc = new Location(-1, -2);
Specify.That(Math.Round(l0.angle_between(quadrant1, loc), 5)).ShouldEqual(4.24874);
loc = new Location(1, -2);
Specify.That(Math.Round(l0.angle_between(quadrant1, loc), 5)).ShouldEqual(5.17604);
loc = new Location(2, -1);
Specify.That(Math.Round(l0.angle_between(quadrant1, loc), 5)).ShouldEqual(5.81954);
}
public void simple_fourty_five_degree_spec()
{
Location l0 = new Location(0, 0);
Location l1 = new Location(5, 0);
Location l2 = new Location(5, 5);
float angle = l0.angle_between(l1, l2);
Specify.That(Math.Round(angle, 5)).ShouldEqual(Math.Round(Math.PI / 4, 5));
}
public void one_hundered_and_eighty_degree_from_origin_spec()
{
Location l0 = new Location(0, 0);
Location l1 = new Location(5, 0);
Location l2 = new Location(-5, 0);
float angle = l0.angle_between(l1, l2);
Specify.That(Math.Round(angle, 5)).ShouldEqual(Math.Round(Math.PI, 5));
}
public void ninety_degree_from_origin_spec()
{
Location l0 = new Location(0, 0);
Location quadrant2 = new Location(-5, 5);
Location quadrant1 = new Location(5, 5);
float angle = l0.angle_between(quadrant1, quadrant2);
Specify.That(Math.Round(angle, 5)).ShouldEqual(Math.Round(Math.PI / 2, 5));
}