*
     * @param tempFile the temporary file to be read
     * @throws FileNotFoundException if the specified file does not exist
     */
    public TemporaryFileInputStream(final File tempFile) throws FileNotFoundException {
        this.tempFile = tempFile;
        fileInputStream = new FileInputStream(tempFile);
    }

    /**

        File nonExistentFile = new File("/tmp/non-existent-file-" + System.currentTimeMillis() + ".tmp");

        try {
            new TemporaryFileInputStream(nonExistentFile);
            fail("Should throw FileNotFoundException");
        } catch (IOException e) {
            // Expected
            assertTrue(e.getMessage().contains("non-existent-file"));
        }
    }