public void RectangleCombinationIsTheSameAsBoth()
{
var rec1 = new AxisAlignedBoundingBox2D(1.0f, 1.0f, 2.0f);
var rec2 = new AxisAlignedBoundingBox2D(1.0f, 1.0f, 2.0f);
var combined = rec1.Combine(rec2);
Assert.IsTrue(combined.Equals(rec1));
Assert.IsTrue(combined.Equals(rec2));
}
public void RectangleCombinationWithNonIntersectedRectangles()
{
var rec1 = new AxisAlignedBoundingBox2D(1.0f, 1.0f, 3.0f);
var rec2 = new AxisAlignedBoundingBox2D(5.0f, 6.0f, 4.0f, 1.0f);
var combined = rec1.Combine(rec2);
Assert.AreEqual(10.0f, combined.Top);
Assert.AreEqual(1.0f, combined.Left);
Assert.AreEqual(1.0f, combined.Bottom);
Assert.AreEqual(6.0f, combined.Right);
}
public void RectangleCombinationWithContainedRectangle()
{
var rec1 = new AxisAlignedBoundingBox2D(1.0f, 1.0f, 5.0f);
var rec2 = new AxisAlignedBoundingBox2D(2.0f, 2.0f, 1.0f, 1.0f);
var combined = rec1.Combine(rec2);
Assert.AreEqual(6.0f, combined.Top);
Assert.AreEqual(1.0f, combined.Left);
Assert.AreEqual(1.0f, combined.Bottom);
Assert.AreEqual(6.0f, combined.Right);
}