public void compare_angles()
{
LocationComparerByAngle comp = new LocationComparerByAngle();
comp.compare_with = new Location(0, 0);
Location quadrant1 = new Location(5, 5);
Location quadrant2 = new Location(-5, 5);
Location quadrant3 = new Location(-5, -5);
Location quadrant4 = new Location(5, -5);
Specify.That(comp.Compare(quadrant1, quadrant2)).ShouldEqual(-1);
Specify.That(comp.Compare(quadrant1, quadrant4)).ShouldEqual(-1);
Specify.That(comp.Compare(quadrant2, quadrant2)).ShouldEqual(0);
Specify.That(comp.Compare(quadrant4, quadrant3)).ShouldEqual(1);
Specify.That(comp.Compare(quadrant4, quadrant1)).ShouldEqual(1);
comp.compare_clockwise = true;
Specify.That(comp.Compare(quadrant1, quadrant2)).ShouldEqual(1);
Specify.That(comp.Compare(quadrant1, quadrant4)).ShouldEqual(1);
Specify.That(comp.Compare(quadrant2, quadrant2)).ShouldEqual(0);
Specify.That(comp.Compare(quadrant4, quadrant3)).ShouldEqual(-1);
Specify.That(comp.Compare(quadrant4, quadrant1)).ShouldEqual(-1);
}
public void location_list_sort_works_properly()
{
List<Location> l = new List<Location>();
for (int i = 0; i < 10; ++i)
l.Add(new Location(4 - i, 10));
LocationComparerByAngle comparer = new LocationComparerByAngle();
comparer.compare_clockwise = true;
comparer.compare_with = new Location(0,0);
l.Sort(comparer);
for (int i = 0; i < 10; ++i)
Specify.That(l[i].x).ShouldEqual(-5 + i);
}
public void setting_compare_with_in_LocationComparerByAngle()
{
Location loc = new Location(0, 0);
LocationComparerByAngle lcba = new LocationComparerByAngle();
lcba.compare_with = loc;
Specify.That(lcba.compare_with.Equals(loc)).ShouldBeTrue();
}
public void setting_compare_clockwise_in_LocationComparerByAngle()
{
LocationComparerByAngle lcba = new LocationComparerByAngle();
lcba.compare_clockwise = true;
Specify.That(lcba.compare_clockwise).ShouldBeTrue();
lcba.compare_clockwise = false;
Specify.That(lcba.compare_clockwise).ShouldBeFalse();
}
