local test = require('minunit').test
local geom = require 'geometry'


-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
-- geom.point tests
--
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

test(
   'create point object',
   function()
      local pt = geom.point(1, 5.5)
      assert(pt.x == 1)
      assert(pt.y == 5.5)
      local mt = getmetatable(pt)
      assert(mt.__index == geom.point)
   end
)

test(
   'point distances',
   function()
      local a = geom.point(1, 3)
      local b = geom.point(4, 7)
      assert(a:distance_to(b) == 5)

      assert(a:distance_to(a) == 0)
   end
)


-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
-- geom.square tests
--
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

test(
   'create square object',
   function()
      local s = geom.square(geom.point(0, 0), 1)
      assert(s.center.x == 0)
      assert(s.center.y == 0)
      assert(s.span == 1)

      assert(s.x.min == -0.5)
      assert(s.x.max ==  0.5)
      assert(s.y.min == -0.5)
      assert(s.y.max ==  0.5)
   end
)