@Test
public void boxIntArray() {
int[] unboxed = new int[]{42, 42, 42};
IntegerArrayWrapper arrayWrapper = new IntegerArrayWrapper(unboxed);
Assert.assertArrayEquals(new Integer[]{42, 42, 42}, arrayWrapper.toArray());
}
@Test
public void boxLongArray() {
long[] unboxed = new long[]{42L, 42L, 42L};