@Test
	public void scaleTest() {
		for (int i = 0; i < TESTS; i++) {
			double s = rand.nextDouble() * rand.nextInt(1000);
			double x = rand.nextInt(1000);
			double y = rand.nextInt(1000);
			double newX = (x * s);
			double newY = (y * s);
			assertEquals(new Vector(newX, newY), new Vector(x, y).scale(s));
		}
	}