@Test
 public void testCacheEntry() {
   final String contentType = "contentTyp";
   final String writerContent = "writer";
   final byte[] streamContent = new byte[10];
   final HttpCacheEntry cacheEntry = new HttpCacheEntry(contentType, writerContent, streamContent);
   assertEquals(contentType, cacheEntry.getContentType());
   assertEquals(writerContent, cacheEntry.getWriterContent());
   assertEquals(streamContent.length, cacheEntry.getStreamContent().length);
   assertTrue(streamContent.hashCode() != cacheEntry.getStreamContent().hashCode());
   for (int i = 0; i < streamContent.length; ++i) {
     assertEquals(streamContent[i], cacheEntry.getStreamContent()[i]);
   }
 }