@Test public void testAppendBuff() throws Exception { int bytesLen = 100; byte[] bytes = TestUtils.generateRandomByteArray(bytesLen); Buffer toAppend = new Buffer(bytes); Buffer b = new Buffer(); b.appendBuffer(toAppend); assertEquals(b.length(), bytes.length); assertTrue(TestUtils.byteArraysEqual(bytes, b.getBytes())); b.appendBuffer(toAppend); assertEquals(b.length(), 2 * bytes.length); }