cos.write(i);
        }
        assertTrue(cos.isInMemory());
        assertFalse(cos.done);
        cos.close();
    }

    @Test
    public void testSingleByteWritesExceedingThreshold() throws IOException {
        // Writing one byte at a time, exceeding threshold
        ContentOutputStream cos = new ContentOutputStream(3, Curl.tmpDir);
        cos.write(1);
        cos.write(2);