return contentCache.getInputStream();
    }

    /**
     * Sets the content cache for the response.
     *
     * @param contentCache the content cache to set.
     */
    public void setContentCache(final ContentCache contentCache) {
        this.contentCache = contentCache;
    }

    /**
     * Gets the HTTP status code of the response.
     *
     * @return the HTTP status code.
     */

    public void testContentCache() {
        CurlResponse response = new CurlResponse();
        byte[] data = "test content".getBytes();
        ContentCache cache = new ContentCache(data);

        response.setContentCache(cache);

        // ContentCache is not directly accessible, but we can test through content methods
        assertNotNull(response);
    }

    @Test

                    contentCache = new ContentCache(dfos.getData());
                } else {
                    contentCache = new ContentCache(dfos.getFile());
                }
                response.setContentCache(contentCache);
            } catch (final Exception e) {
                response.setContentException(e);
                throw new CurlException("Failed to write a response.", e);
            }
        }
    }

        final CurlResponse response = new CurlResponse();
        response.setHttpStatusCode(statusCode);
        response.setEncoding("UTF-8");
        response.setContentCache(new ContentCache(body.getBytes(StandardCharsets.UTF_8)));
        return response;
    }

    private void setupMockFessConfig() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {