@Test
public void testSet() throws Exception {
List<String> mList = new ArrayList<>();
mList.add("x");
mList.add("y");
ImmutableList<String> l = new ArrayBackedImmutableList<String>(mList);
Assert.assertEquals(l.size(), 2);
Assert.assertEquals("[x, x, y, y]", l.insert(1, l).toString());
Assert.assertEquals("[x, y, x, y]", l.insert(2, l).toString());
Assert.assertEquals("[x, y, x, y]", l.insert(0, l).toString());
Assert.assertEquals("[, x, y]", l.insert(0, "").toString());
Assert.assertEquals("[x, y, ]", l.insert(2, "").toString());
// remember, the result of these insertes was never assigned.
Assert.assertEquals(l.size(), 2);
}
