Simple tests for response bucket.
Simple tests for response bucket.

* test/test_buckets.c
  (read_and_check_bucket): Helper for reading and checking buckets.
  (test_response_bucket_read): New test for HTTP/1.0 response.
  (test_response_bucket_chunked_read): New test for chunked HTTP/1.1 response.
  (test_buckets): Add new tests.


git-svn-id: 683495cb1553624b05a54e2ba9533425f69cf277@1139 61a7d7f5-40b7-0310-9c16-bb0ea8cb1845

coapp-packages/serf,coapp-packages/serf,coapp-packages/serf