(load "Test.carp")
(load "Vector.carp")
(load "Geometry.carp")

(use Test)
(use Vector2)
(use Geometry)
(use Double)

(defn main []
  (with-test test
    (assert-equal test
                  &(init 1.0 2.0) &(init 1.0 2.0)
                  "= operator works")
    (assert-op test
               &(init 1.0 2.0) &(init 1.0 1.0)
               "/= operator works"
               Vector2./=)
    (assert-equal test
                  &(init 3.0 3.0)
                  &(+ &(init 2.0 1.0) &(init 1.0 2.0))
                  "+ operator works")
    (assert-equal test
                  &(init 1.0 -1.0)
                  &(- &(init 2.0 1.0) &(init 1.0 2.0))
                  "- operator works")
    (assert-equal test
                  &(init 4.0 2.0)
                  &(* &(init 2.0 1.0) 2.0)
                  "* operator works")
    (assert-equal test
                  &(init 1.0 0.5)
                  &(/ &(init 2.0 1.0) 2.0)
                  "/ operator works")
    (assert-equal test
                  5.0
                  (mag &(init 3.0 4.0))
                  "mag works")
    (assert-equal test
                  101.0
                  (mag-sq &(init 10.0 1.0))
                  "mag-sq works")
    (assert-equal test
                  &(init 0.6 0.8)
                  &(normalize &(init 3.0 4.0))
                  "normalize works")
    (assert-equal test
                  5.0
                  (dist &(init 10.0 10.0) &(init 7.0 6.0))
                  "dist works")
    (assert-equal test
                  0.0
                  (heading &(init 1.0 0.0))
                  "heading works")
    (assert-op test
               &(init -2.0 1.0)
               &(rotate &(init 1.0 2.0) (degree-to-radians 90.0))
               "rotate works"
               approx)
    (assert-equal test
                  90.0
                  (radians-to-degree (Vector2.angle-between &(init 1.0 0.0) &(init 0.0 1.0)))
                  "angle-between works")
    (assert-equal test
                  44.0
                  (dot &(init 10.0 2.0) &(init 2.0 12.0))
                  "dot works")
    (assert-equal test
                  &(init 2.5 5.0)
                  &(lerp &(init 0.0 0.0) &(init 5.0 10.0) 0.5)
                  "lerp works")
    (print-test-results test)
))