assertEquals(4, b2.length);
for (int i = 0; i < tmp.length; i++) {
assertEquals(tmp[i], b2[i]);
assertEquals(tmp[i], buffer.byteAt(i));
}
buffer.clear();
assertEquals(16, buffer.capacity());
assertEquals(0, buffer.length());
assertTrue(buffer.isEmpty());
assertFalse(buffer.isFull());
}