var assert = require("assert")
var vec2 = require("../public/assets/javascripts/rectangles/models/vec2.js")

describe('vec2', function(){
  describe('#intersects()', function(){
		var vec = new vec2(0, 10)

    it('intersects itself', function(){
      assert.equal(true, vec.intersects( new vec2(0, 10) ));
    })
    it('intersects w/ same startpoint (shorter)', function(){
      assert.equal(true, vec.intersects( new vec2(0, 5) ));
    })
    it('intersects w/ same startpoint (longer)', function(){
      assert.equal(true, vec.intersects( new vec2(0, 15) ));
    })
    it('intersects w/ same endpoint (shorter)', function(){
      assert.equal(true, vec.intersects( new vec2(5, 10) ));
    })
    it('intersects w/ same endpoint (longer)', function(){
      assert.equal(true, vec.intersects( new vec2(-5, 10) ));
    })
    it('intersects when contained', function(){
      assert.equal(true, vec.intersects( new vec2(-5, 15) ));
    })
    it('does not intersect when before', function(){
      assert.equal(false, vec.intersects( new vec2(-10, -5) ));
    })
    it('does not intersect when after', function(){
      assert.equal(false, vec.intersects( new vec2(15, 20) ));
    })
    it('contains itself', function(){
      assert.equal(true, vec.contains( 0 ));
      assert.equal(true, vec.contains( 5 ));
      assert.equal(true, vec.contains( 10 ));
    })
    it('does not contain before or after', function(){
      assert.equal(false, vec.contains( -5 ));
      assert.equal(false, vec.contains( 15 ));
    })
    it('intersects when only startpoint matches', function(){
      assert.equal(true, vec.intersects( new vec2(-5, 0) ));
    })
    it('intersects when only endpoint matches', function(){
      assert.equal(true, vec.intersects( new vec2(10, 15) ));
    })
  })
})