@Test
public void toArray() {

	Object[] tab = this.list.toArray();
	
	assertEquals(Integer.valueOf(1),  tab[0]);
	assertEquals(Integer.valueOf(2),  tab[1]);
	assertEquals(Integer.valueOf(3),  tab[2]);
	assertEquals(Integer.valueOf(10), tab[3]);
	assertEquals(Integer.valueOf(20), tab[4]);
	assertEquals(Integer.valueOf(21), tab[5]);
	assertEquals(Integer.valueOf(22), tab[6]);
	assertEquals(Integer.valueOf(23), tab[7]);
	assertEquals(Integer.valueOf(24), tab[8]);
	assertEquals(Integer.valueOf(25), tab[9]);
}