@Test
public void testCopyLargeBuffer() throws IOException {
final byte[] buf = new byte[1024];
final byte[] expected = new byte[10000];
final long seed = System.currentTimeMillis();
final Random rng = new Random(seed);
rng.nextBytes(expected);
final ByteArrayInputStream in = new ByteArrayInputStream(expected);
final ByteArrayOutputStream out = new ByteArrayOutputStream();
final long count = IOUtils.copyLarge(in, out, buf);
assertEquals("seed == " + seed, expected.length, count);
assertArrayEquals("seed == " + seed, expected, out.toByteArray());
}
