@Test
  public void push_pop() {
    GrowQueue_F64 alg = new GrowQueue_F64(10);

    alg.push(1);
    alg.push(3);

    assertEquals(2, alg.size);
    assertTrue(3 == alg.pop());
    assertTrue(1 == alg.pop());
    assertEquals(0, alg.size);
  }