ContentOutputStream cos = new ContentOutputStream(100, Curl.tmpDir);
        byte[] largeData = new byte[500];
        for (int i = 0; i < largeData.length; i++) {
            largeData[i] = (byte) (i % 256);
        }
        cos.write(largeData);
        assertFalse(cos.isInMemory());
        File file = cos.getFile();
        assertTrue(file.exists());