runReadWriteTest(4096, 4 * 4096);
    }


    @Test
    public void testExactWrite () throws IOException {
        runReadWriteTest(4096, 4096);
    }


    @Test
    public void testSmallWrite () throws IOException {
        runReadWriteTest(4096, 1013);
    }


    @Test
    public void testLargeBuf () throws IOException {
        runReadWriteTest(65465, 65466);
    }