text: /*
   * Copyright (c) 2014, Peter Thorson. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *     * Redistributions of source code must retain the above copyright
   *       notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above copyright
   *       notice, this list of conditions and the following disclaimer in the
   *       documentation and/or other materials provided with the distribution.
   *     * Neither the name of the WebSocket++ Project nor the
   *       names of its contributors may be used to endorse or promote products
   *       derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   */
  //#define BOOST_TEST_DYN_LINK
  #define BOOST_TEST_MODULE hybi_13_processor
  #include <autoboost/test/unit_test.hpp>
  
  #include <iostream>
  #include <string>
  
  #include <websocketpp/processors/hybi13.hpp>
  
  #include <websocketpp/http/request.hpp>
  #include <websocketpp/http/response.hpp>
  #include <websocketpp/message_buffer/message.hpp>
  #include <websocketpp/message_buffer/alloc.hpp>
  #include <websocketpp/random/none.hpp>
  
  #include <websocketpp/extensions/permessage_deflate/disabled.hpp>
  #include <websocketpp/extensions/permessage_deflate/enabled.hpp>
  
  struct stub_config {
      typedef websocketpp::http::parser::request request_type;
      typedef websocketpp::http::parser::response response_type;
  
      typedef websocketpp::message_buffer::message
          <websocketpp::message_buffer::alloc::con_msg_manager> message_type;
      typedef websocketpp::message_buffer::alloc::con_msg_manager<message_type>
          con_msg_manager_type;
  
      typedef websocketpp::random::none::int_generator<uint32_t> rng_type;
  
      struct permessage_deflate_config {
          typedef stub_config::request_type request_type;
      };
  
      typedef websocketpp::extensions::permessage_deflate::disabled
          <permessage_deflate_config> permessage_deflate_type;
  
      static const size_t max_message_size = 16000000;
      static const bool enable_extensions = false;
  };
  
  struct stub_config_ext {
      typedef websocketpp::http::parser::request request_type;
      typedef websocketpp::http::parser::response response_type;
  
      typedef websocketpp::message_buffer::message
          <websocketpp::message_buffer::alloc::con_msg_manager> message_type;
      typedef websocketpp::message_buffer::alloc::con_msg_manager<message_type>
          con_msg_manager_type;
  
      typedef websocketpp::random::none::int_generator<uint32_t> rng_type;
  
      struct permessage_deflate_config {
          typedef stub_config_ext::request_type request_type;
      };
  
      typedef websocketpp::extensions::permessage_deflate::enabled
          <permessage_deflate_config> permessage_deflate_type;
  
      static const size_t max_message_size = 16000000;
      static const bool enable_extensions = true;
  };
  
  typedef stub_config::con_msg_manager_type con_msg_manager_type;
  typedef stub_config::message_type::ptr message_ptr;
  
  // Set up a structure that constructs new copies of all of the support structure
  // for using connection processors
  struct processor_setup {
      processor_setup(bool server)
        : msg_manager(new con_msg_manager_type())
        , p(false,server,msg_manager,rng) {}
  
      websocketpp::lib::error_code ec;
      con_msg_manager_type::ptr msg_manager;
      stub_config::rng_type rng;
      stub_config::request_type req;
      stub_config::response_type res;
      websocketpp::processor::hybi13<stub_config> p;
  };
  
  struct processor_setup_ext {
      processor_setup_ext(bool server)
        : msg_manager(new con_msg_manager_type())
        , p(false,server,msg_manager,rng) {}
  
      websocketpp::lib::error_code ec;
      con_msg_manager_type::ptr msg_manager;
      stub_config::rng_type rng;
      stub_config::request_type req;
      stub_config::response_type res;
      websocketpp::processor::hybi13<stub_config_ext> p;
  };
  
  BOOST_AUTO_TEST_CASE( exact_match ) {
      processor_setup env(true);
  
      std::string handshake = "GET / HTTP/1.1\r\nHost: www.example.com\r\nConnection: upgrade\r\nUpgrade: websocket\r\nSec-WebSocket-Version: 13\r\nSec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\n\r\n";
  
      env.req.consume(handshake.c_str(),handshake.size());
  
      BOOST_CHECK(websocketpp::processor::is_websocket_handshake(env.req));
      BOOST_CHECK_EQUAL(websocketpp::processor::get_websocket_version(env.req), env.p.get_version());
      BOOST_CHECK(!env.p.validate_handshake(env.req));
  
      websocketpp::uri_ptr u;
  
      BOOST_CHECK_NO_THROW( u = env.p.get_uri(env.req) );
  
      BOOST_CHECK_EQUAL(u->get_secure(), false);
      BOOST_CHECK_EQUAL(u->get_host(), "www.example.com");
      BOOST_CHECK_EQUAL(u->get_resource(), "/");
      BOOST_CHECK_EQUAL(u->get_port(), websocketpp::uri_default_port);
  
      env.p.process_handshake(env.req,"",env.res);
  
      BOOST_CHECK_EQUAL(env.res.get_header("Connection"), "upgrade");
      BOOST_CHECK_EQUAL(env.res.get_header("Upgrade"), "websocket");
      BOOST_CHECK_EQUAL(env.res.get_header("Sec-WebSocket-Accept"), "s3pPLMBiTxaQ9kYGzzhZRbK+xOo=");
  }
  
  BOOST_AUTO_TEST_CASE( non_get_method ) {
      processor_setup env(true);
  
      std::string handshake = "POST / HTTP/1.1\r\nHost: www.example.com\r\nConnection: upgrade\r\nUpgrade: websocket\r\nSec-WebSocket-Version: 13\r\nSec-WebSocket-Key: foo\r\n\r\n";
  
      env.req.consume(handshake.c_str(),handshake.size());
  
      BOOST_CHECK(websocketpp::processor::is_websocket_handshake(env.req));
      BOOST_CHECK_EQUAL(websocketpp::processor::get_websocket_version(env.req), env.p.get_version());
      BOOST_CHECK( env.p.validate_handshake(env.req) == websocketpp::processor::error::invalid_http_method );
  }
  
  BOOST_AUTO_TEST_CASE( old_http_version ) {
      processor_setup env(true);
  
      std::string handshake = "GET / HTTP/1.0\r\nHost: www.example.com\r\nConnection: upgrade\r\nUpgrade: websocket\r\nSec-WebSocket-Version: 13\r\nSec-WebSocket-Key: foo\r\n\r\n";
  
      env.req.consume(handshake.c_str(),handshake.size());
  
      BOOST_CHECK(websocketpp::processor::is_websocket_handshake(env.req));
      BOOST_CHECK_EQUAL(websocketpp::processor::get_websocket_version(env.req), env.p.get_version());
      BOOST_CHECK_EQUAL( env.p.validate_handshake(env.req), websocketpp::processor::error::invalid_http_version );
  }
  
  BOOST_AUTO_TEST_CASE( missing_handshake_key1 ) {
      processor_setup env(true);
  
      std::string handshake = "GET / HTTP/1.1\r\nHost: www.example.com\r\nConnection: upgrade\r\nUpgrade: websocket\r\nSec-WebSocket-Version: 13\r\n\r\n";
  
      env.req.consume(handshake.c_str(),handshake.size());
  
      BOOST_CHECK( websocketpp::processor::is_websocket_handshake(env.req) );
      BOOST_CHECK_EQUAL( websocketpp::processor::get_websocket_version(env.req), env.p.get_version() );
      BOOST_CHECK_EQUAL( env.p.validate_handshake(env.req), websocketpp::processor::error::missing_required_header );
  }
  
  BOOST_AUTO_TEST_CASE( missing_handshake_key2 ) {
      processor_setup env(true);
  
      std::string handshake = "GET / HTTP/1.1\r\nHost: www.example.com\r\nConnection: upgrade\r\nUpgrade: websocket\r\nSec-WebSocket-Version: 13\r\n\r\n";
  
      env.req.consume(handshake.c_str(),handshake.size());
  
      BOOST_CHECK( websocketpp::processor::is_websocket_handshake(env.req) );
      BOOST_CHECK_EQUAL( websocketpp::processor::get_websocket_version(env.req), env.p.get_version() );
      BOOST_CHECK_EQUAL( env.p.validate_handshake(env.req), websocketpp::processor::error::missing_required_header );
  }
  
  BOOST_AUTO_TEST_CASE( bad_host ) {
      processor_setup env(true);
  
      std::string handshake = "GET / HTTP/1.1\r\nHost: www.example.com:70000\r\nConnection: upgrade\r\nUpgrade: websocket\r\nSec-WebSocket-Version: 13\r\nSec-WebSocket-Key: foo\r\n\r\n";
  
      env.req.consume(handshake.c_str(),handshake.size());
  
      BOOST_CHECK( websocketpp::processor::is_websocket_handshake(env.req) );
      BOOST_CHECK_EQUAL( websocketpp::processor::get_websocket_version(env.req), env.p.get_version() );
      BOOST_CHECK( !env.p.validate_handshake(env.req) );
      BOOST_CHECK( !env.p.get_uri(env.req)->get_valid() );
  }
  
  // FRAME TESTS TO DO
  //
  // unmasked, 0 length, binary
  // 0x82 0x00
  //
  // masked, 0 length, binary
  // 0x82 0x80
  //
  // unmasked, 0 length, text
  // 0x81 0x00
  //
  // masked, 0 length, text
  // 0x81 0x80
  
  BOOST_AUTO_TEST_CASE( frame_empty_binary_unmasked ) {
      uint8_t frame[2] = {0x82, 0x00};
  
      // all in one chunk
      processor_setup env1(false);
  
      size_t ret1 = env1.p.consume(frame,2,env1.ec);
  
      BOOST_CHECK_EQUAL( ret1, 2 );
      BOOST_CHECK( !env1.ec );
      BOOST_CHECK_EQUAL( env1.p.ready(), true );
  
      // two separate chunks
      processor_setup env2(false);
  
      BOOST_CHECK_EQUAL( env2.p.consume(frame,1,env2.ec), 1 );
      BOOST_CHECK( !env2.ec );
      BOOST_CHECK_EQUAL( env2.p.ready(), false );
  
      BOOST_CHECK_EQUAL( env2.p.consume(frame+1,1,env2.ec), 1 );
      BOOST_CHECK( !env2.ec );
      BOOST_CHECK_EQUAL( env2.p.ready(), true );
  }
  
  BOOST_AUTO_TEST_CASE( frame_small_binary_unmasked ) {
      processor_setup env(false);
  
      uint8_t frame[4] = {0x82, 0x02, 0x2A, 0x2A};
  
      BOOST_CHECK_EQUAL( env.p.get_message(), message_ptr() );
      BOOST_CHECK_EQUAL( env.p.consume(frame,4,env.ec), 4 );
      BOOST_CHECK( !env.ec );
      BOOST_CHECK_EQUAL( env.p.ready(), true );
  
      message_ptr foo = env.p.get_message();
  
      BOOST_CHECK_EQUAL( env.p.get_message(), message_ptr() );
      BOOST_CHECK_EQUAL( foo->get_payload(), "**" );
  
  }
  
  BOOST_AUTO_TEST_CASE( frame_extended_binary_unmasked ) {
      processor_setup env(false);
  
      uint8_t frame[130] = {0x82, 0x7E, 0x00, 0x7E};
      frame[0] = 0x82;
      frame[1] = 0x7E;
      frame[2] = 0x00;
      frame[3] = 0x7E;
      std::fill_n(frame+4,126,0x2A);
  
      BOOST_CHECK_EQUAL( env.p.get_message(), message_ptr() );
      BOOST_CHECK_EQUAL( env.p.consume(frame,130,env.ec), 130 );
      BOOST_CHECK( !env.ec );
      BOOST_CHECK_EQUAL( env.p.ready(), true );
  
      message_ptr foo = env.p.get_message();
  
      BOOST_CHECK_EQUAL( env.p.get_message(), message_ptr() );
      BOOST_CHECK_EQUAL( foo->get_payload().size(), 126 );
  }
  
  BOOST_AUTO_TEST_CASE( frame_jumbo_binary_unmasked ) {
      processor_setup env(false);
  
      uint8_t frame[130] = {0x82, 0x7E, 0x00, 0x7E};
      std::fill_n(frame+4,126,0x2A);
  
      BOOST_CHECK_EQUAL( env.p.get_message(), message_ptr() );
      BOOST_CHECK_EQUAL( env.p.consume(frame,130,env.ec), 130 );
      BOOST_CHECK( !env.ec );
      BOOST_CHECK_EQUAL( env.p.ready(), true );
  
      message_ptr foo = env.p.get_message();
  
      BOOST_CHECK_EQUAL( env.p.get_message(), message_ptr() );
      BOOST_CHECK_EQUAL( foo->get_payload().size(), 126 );
  }
  
  BOOST_AUTO_TEST_CASE( control_frame_too_large ) {
      processor_setup env(false);
  
      uint8_t frame[130] = {0x88, 0x7E, 0x00, 0x7E};
      std::fill_n(frame+4,126,0x2A);
  
      BOOST_CHECK_EQUAL( env.p.get_message(), message_ptr() );
      BOOST_CHECK_GT( env.p.consume(frame,130,env.ec), 0 );
      BOOST_CHECK_EQUAL( env.ec, websocketpp::processor::error::control_too_big  );
      BOOST_CHECK_EQUAL( env.p.ready(), false );
  }
  
  BOOST_AUTO_TEST_CASE( rsv_bits_used ) {
      uint8_t frame[3][2] = {{0x90, 0x00},
                             {0xA0, 0x00},
                             {0xC0, 0x00}};
  
      for (int i = 0; i < 3; i++) {
          processor_setup env(false);
  
          BOOST_CHECK_EQUAL( env.p.get_message(), message_ptr() );
          BOOST_CHECK_GT( env.p.consume(frame[i],2,env.ec), 0 );
          BOOST_CHECK_EQUAL( env.ec, websocketpp::processor::error::invalid_rsv_bit  );
          BOOST_CHECK_EQUAL( env.p.ready(), false );
      }
  }
  
  
  BOOST_AUTO_TEST_CASE( reserved_opcode_used ) {
      uint8_t frame[10][2] = {{0x83, 0x00},
                              {0x84, 0x00},
                              {0x85, 0x00},
                              {0x86, 0x00},
                              {0x87, 0x00},
                              {0x8B, 0x00},
                              {0x8C, 0x00},
                              {0x8D, 0x00},
                              {0x8E, 0x00},
                              {0x8F, 0x00}};
  
      for (int i = 0; i < 10; i++) {
          processor_setup env(false);
  
          BOOST_CHECK_EQUAL( env.p.get_message(), message_ptr() );
          BOOST_CHECK_GT( env.p.consume(frame[i],2,env.ec), 0 );
          BOOST_CHECK_EQUAL( env.ec, websocketpp::processor::error::invalid_opcode  );
          BOOST_CHECK_EQUAL( env.p.ready(), false );
      }
  }
  
  BOOST_AUTO_TEST_CASE( fragmented_control_message ) {
      processor_setup env(false);
  
      uint8_t frame[2] = {0x08, 0x00};
  
      BOOST_CHECK_EQUAL( env.p.get_message(), message_ptr() );
      BOOST_CHECK_GT( env.p.consume(frame,2,env.ec), 0 );
      BOOST_CHECK_EQUAL( env.ec, websocketpp::processor::error::fragmented_control );
      BOOST_CHECK_EQUAL( env.p.ready(), false );
  }
  
  BOOST_AUTO_TEST_CASE( fragmented_binary_message ) {
      processor_setup env0(false);
      processor_setup env1(false);
  
      uint8_t frame0[6] = {0x02, 0x01, 0x2A, 0x80, 0x01, 0x2A};
      uint8_t frame1[8] = {0x02, 0x01, 0x2A, 0x89, 0x00, 0x80, 0x01, 0x2A};
  
      // read fragmented message in one chunk
      BOOST_CHECK_EQUAL( env0.p.get_message(), message_ptr() );
      BOOST_CHECK_EQUAL( env0.p.consume(frame0,6,env0.ec), 6 );
      BOOST_CHECK( !env0.ec );
      BOOST_CHECK_EQUAL( env0.p.ready(), true );
      BOOST_CHECK_EQUAL( env0.p.get_message()->get_payload(), "**" );
  
      // read fragmented message in two chunks
      BOOST_CHECK_EQUAL( env0.p.get_message(), message_ptr() );
      BOOST_CHECK_EQUAL( env0.p.consume(frame0,3,env0.ec), 3 );
      BOOST_CHECK( !env0.ec );
      BOOST_CHECK_EQUAL( env0.p.ready(), false );
      BOOST_CHECK_EQUAL( env0.p.consume(frame0+3,3,env0.ec), 3 );
      BOOST_CHECK( !env0.ec );
      BOOST_CHECK_EQUAL( env0.p.ready(), true );
      BOOST_CHECK_EQUAL( env0.p.get_message()->get_payload(), "**" );
  
      // read fragmented message with control message in between
      BOOST_CHECK_EQUAL( env0.p.get_message(), message_ptr() );
      BOOST_CHECK_EQUAL( env0.p.consume(frame1,8,env0.ec), 5 );
      BOOST_CHECK( !env0.ec );
      BOOST_CHECK_EQUAL( env0.p.ready(), true );
      BOOST_CHECK_EQUAL( env0.p.get_message()->get_opcode(), websocketpp::frame::opcode::PING);
      BOOST_CHECK_EQUAL( env0.p.consume(frame1+5,3,env0.ec), 3 );
      BOOST_CHECK( !env0.ec );
      BOOST_CHECK_EQUAL( env0.p.ready(), true );
      BOOST_CHECK_EQUAL( env0.p.get_message()->get_payload(), "**" );
  
      // read lone continuation frame
      BOOST_CHECK_EQUAL( env0.p.get_message(), message_ptr() );
      BOOST_CHECK_GT( env0.p.consume(frame0+3,3,env0.ec), 0);
      BOOST_CHECK_EQUAL( env0.ec, websocketpp::processor::error::invalid_continuation );
  
      // read two start frames in a row
      BOOST_CHECK_EQUAL( env1.p.get_message(), message_ptr() );
      BOOST_CHECK_EQUAL( env1.p.consume(frame0,3,env1.ec), 3);
      BOOST_CHECK( !env1.ec );
      BOOST_CHECK_GT( env1.p.consume(frame0,3,env1.ec), 0);
      BOOST_CHECK_EQUAL( env1.ec, websocketpp::processor::error::invalid_continuation );
  }
  
  BOOST_AUTO_TEST_CASE( unmasked_client_frame ) {
      processor_setup env(true);
  
      uint8_t frame[2] = {0x82, 0x00};
  
      BOOST_CHECK_EQUAL( env.p.get_message(), message_ptr() );
      BOOST_CHECK_GT( env.p.consume(frame,2,env.ec), 0 );
      BOOST_CHECK_EQUAL( env.ec, websocketpp::processor::error::masking_required );
      BOOST_CHECK_EQUAL( env.p.ready(), false );
  }
  
  BOOST_AUTO_TEST_CASE( masked_server_frame ) {
      processor_setup env(false);
  
      uint8_t frame[8] = {0x82, 0x82, 0xFF, 0xFF, 0xFF, 0xFF, 0xD5, 0xD5};
  
      BOOST_CHECK_EQUAL( env.p.get_message(), message_ptr() );
      BOOST_CHECK_GT( env.p.consume(frame,8,env.ec), 0 );
      BOOST_CHECK_EQUAL( env.ec, websocketpp::processor::error::masking_forbidden );
      BOOST_CHECK_EQUAL( env.p.ready(), false );
  }
  
  BOOST_AUTO_TEST_CASE( frame_small_binary_masked ) {
      processor_setup env(true);
  
      uint8_t frame[8] = {0x82, 0x82, 0xFF, 0xFF, 0xFF, 0xFF, 0xD5, 0xD5};
  
      BOOST_CHECK_EQUAL( env.p.get_message(), message_ptr() );
      BOOST_CHECK_EQUAL( env.p.consume(frame,8,env.ec), 8 );
      BOOST_CHECK( !env.ec );
      BOOST_CHECK_EQUAL( env.p.ready(), true );
      BOOST_CHECK_EQUAL( env.p.get_message()->get_payload(), "**" );
  }
  
  BOOST_AUTO_TEST_CASE( masked_fragmented_binary_message ) {
      processor_setup env(true);
  
      uint8_t frame0[14] = {0x02, 0x81, 0xAB, 0x23, 0x98, 0x45, 0x81,
                           0x80, 0x81, 0xB8, 0x34, 0x12, 0xFF, 0x92};
  
      // read fragmented message in one chunk
      BOOST_CHECK_EQUAL( env.p.get_message(), message_ptr() );
      BOOST_CHECK_EQUAL( env.p.consume(frame0,14,env.ec), 14 );
      BOOST_CHECK( !env.ec );
      BOOST_CHECK_EQUAL( env.p.ready(), true );
      BOOST_CHECK_EQUAL( env.p.get_message()->get_payload(), "**" );
  }
  
  BOOST_AUTO_TEST_CASE( prepare_data_frame ) {
      processor_setup env(true);
  
      message_ptr in = env.msg_manager->get_message();
      message_ptr out = env.msg_manager->get_message();
      message_ptr invalid;
  
      // empty pointers arguements should return sane error
      BOOST_CHECK_EQUAL( env.p.prepare_data_frame(invalid,invalid), websocketpp::processor::error::invalid_arguments );
  
      BOOST_CHECK_EQUAL( env.p.prepare_data_frame(in,invalid), websocketpp::processor::error::invalid_arguments );
  
      BOOST_CHECK_EQUAL( env.p.prepare_data_frame(invalid,out), websocketpp::processor::error::invalid_arguments );
  
      // test valid opcodes
      // control opcodes should return an error, data ones shouldn't
      for (int i = 0; i < 0xF; i++) {
          in->set_opcode(websocketpp::frame::opcode::value(i));
  
          env.ec = env.p.prepare_data_frame(in,out);
  
          if (websocketpp::frame::opcode::is_control(in->get_opcode())) {
              BOOST_CHECK_EQUAL( env.ec, websocketpp::processor::error::invalid_opcode );
          } else {
              BOOST_CHECK_NE( env.ec, websocketpp::processor::error::invalid_opcode );
          }
      }
  
  
      //in.set_payload("foo");
  
      //e = prepare_data_frame(in,out);
  
  
  }
  
  BOOST_AUTO_TEST_CASE( single_frame_message_too_large ) {
      processor_setup env(true);
  
      env.p.set_max_message_size(3);
  
      uint8_t frame0[10] = {0x82, 0x84, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01};
  
      // read message that is one byte too large
      BOOST_CHECK_EQUAL( env.p.consume(frame0,10,env.ec), 6 );
      BOOST_CHECK_EQUAL( env.ec, websocketpp::processor::error::message_too_big );
  }
  
  BOOST_AUTO_TEST_CASE( multiple_frame_message_too_large ) {
      processor_setup env(true);
  
      env.p.set_max_message_size(4);
  
      uint8_t frame0[8] = {0x02, 0x82, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01};
      uint8_t frame1[9] = {0x80, 0x83, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01};
  
      // read first message frame with size under the limit
      BOOST_CHECK_EQUAL( env.p.consume(frame0,8,env.ec), 8 );
      BOOST_CHECK( !env.ec );
  
      // read second message frame that puts the size over the limit
      BOOST_CHECK_EQUAL( env.p.consume(frame1,9,env.ec), 6 );
      BOOST_CHECK_EQUAL( env.ec, websocketpp::processor::error::message_too_big );
  }
  
  
  
  BOOST_AUTO_TEST_CASE( client_handshake_request ) {
      processor_setup env(false);
  
      websocketpp::uri_ptr u(new websocketpp::uri("ws://localhost/"));
  
      env.p.client_handshake_request(env.req,u, std::vector<std::string>());
  
      BOOST_CHECK_EQUAL( env.req.get_method(), "GET" );
      BOOST_CHECK_EQUAL( env.req.get_version(), "HTTP/1.1");
      BOOST_CHECK_EQUAL( env.req.get_uri(), "/");
  
      BOOST_CHECK_EQUAL( env.req.get_header("Host"), "localhost");
      BOOST_CHECK_EQUAL( env.req.get_header("Sec-WebSocket-Version"), "13");
      BOOST_CHECK_EQUAL( env.req.get_header("Connection"), "Upgrade");
      BOOST_CHECK_EQUAL( env.req.get_header("Upgrade"), "websocket");
  }
  
  // TODO:
  // test cases
  // - adding headers
  // - adding Upgrade header
  // - adding Connection header
  // - adding Sec-WebSocket-Version, Sec-WebSocket-Key, or Host header
  // - other Sec* headers?
  // - User Agent header?
  
  // Origin support
  // Subprotocol requests
  
  //websocketpp::uri_ptr u(new websocketpp::uri("ws://localhost/"));
      //env.p.client_handshake_request(env.req,u);
  
  BOOST_AUTO_TEST_CASE( client_handshake_response_404 ) {
      processor_setup env(false);
  
      std::string res = "HTTP/1.1 404 Not Found\r\n\r\n";
      env.res.consume(res.data(),res.size());
  
      BOOST_CHECK_EQUAL( env.p.validate_server_handshake_response(env.req,env.res), websocketpp::processor::error::invalid_http_status );
  }
  
  BOOST_AUTO_TEST_CASE( client_handshake_response_no_upgrade ) {
      processor_setup env(false);
  
      std::string res = "HTTP/1.1 101 Switching Protocols\r\n\r\n";
      env.res.consume(res.data(),res.size());
  
      BOOST_CHECK_EQUAL( env.p.validate_server_handshake_response(env.req,env.res), websocketpp::processor::error::missing_required_header );
  }
  
  BOOST_AUTO_TEST_CASE( client_handshake_response_no_connection ) {
      processor_setup env(false);
  
      std::string res = "HTTP/1.1 101 Switching Protocols\r\nUpgrade: foo, wEbsOckEt\r\n\r\n";
      env.res.consume(res.data(),res.size());
  
      BOOST_CHECK_EQUAL( env.p.validate_server_handshake_response(env.req,env.res), websocketpp::processor::error::missing_required_header );
  }
  
  BOOST_AUTO_TEST_CASE( client_handshake_response_no_accept ) {
      processor_setup env(false);
  
      std::string res = "HTTP/1.1 101 Switching Protocols\r\nUpgrade: foo, wEbsOckEt\r\nConnection: bar, UpGrAdE\r\n\r\n";
      env.res.consume(res.data(),res.size());
  
      BOOST_CHECK_EQUAL( env.p.validate_server_handshake_response(env.req,env.res), websocketpp::processor::error::missing_required_header );
  }
  
  BOOST_AUTO_TEST_CASE( client_handshake_response ) {
      processor_setup env(false);
  
      env.req.append_header("Sec-WebSocket-Key", "dGhlIHNhbXBsZSBub25jZQ==");
  
      std::string res = "HTTP/1.1 101 Switching Protocols\r\nUpgrade: foo, wEbsOckEt\r\nConnection: bar, UpGrAdE\r\nSec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo=\r\n\r\n";
      env.res.consume(res.data(),res.size());
  
      BOOST_CHECK( !env.p.validate_server_handshake_response(env.req,env.res) );
  }
  
  BOOST_AUTO_TEST_CASE( extensions_disabled ) {
      processor_setup env(true);
  
      env.req.replace_header("Sec-WebSocket-Extensions","");
  
      std::pair<websocketpp::lib::error_code,std::string> neg_results;
      neg_results = env.p.negotiate_extensions(env.req);
  
      BOOST_CHECK_EQUAL( neg_results.first, websocketpp::processor::error::extensions_disabled );
      BOOST_CHECK_EQUAL( neg_results.second, "" );
  }
  
  BOOST_AUTO_TEST_CASE( extension_negotiation_blank ) {
      processor_setup_ext env(true);
  
      env.req.replace_header("Sec-WebSocket-Extensions","");
  
      std::pair<websocketpp::lib::error_code,std::string> neg_results;
      neg_results = env.p.negotiate_extensions(env.req);
  
      BOOST_CHECK( !neg_results.first );
      BOOST_CHECK_EQUAL( neg_results.second, "" );
  }
  
  BOOST_AUTO_TEST_CASE( extension_negotiation_unknown ) {
      processor_setup_ext env(true);
  
      env.req.replace_header("Sec-WebSocket-Extensions","foo");
  
      std::pair<websocketpp::lib::error_code,std::string> neg_results;
      neg_results = env.p.negotiate_extensions(env.req);
  
      BOOST_CHECK( !neg_results.first );
      BOOST_CHECK_EQUAL( neg_results.second, "" );
  }
  
  BOOST_AUTO_TEST_CASE( extract_subprotocols_empty ) {
      processor_setup env(true);
      std::vector<std::string> subps;
  
      BOOST_CHECK( !env.p.extract_subprotocols(env.req,subps) );
      BOOST_CHECK_EQUAL( subps.size(), 0 );
  }
  
  BOOST_AUTO_TEST_CASE( extract_subprotocols_one ) {
      processor_setup env(true);
      std::vector<std::string> subps;
  
      env.req.replace_header("Sec-WebSocket-Protocol","foo");
  
      BOOST_CHECK( !env.p.extract_subprotocols(env.req,subps) );
      BOOST_REQUIRE_EQUAL( subps.size(), 1 );
      BOOST_CHECK_EQUAL( subps[0], "foo" );
  }
  
  BOOST_AUTO_TEST_CASE( extract_subprotocols_multiple ) {
      processor_setup env(true);
      std::vector<std::string> subps;
  
      env.req.replace_header("Sec-WebSocket-Protocol","foo,bar");
  
      BOOST_CHECK( !env.p.extract_subprotocols(env.req,subps) );
      BOOST_REQUIRE_EQUAL( subps.size(), 2 );
      BOOST_CHECK_EQUAL( subps[0], "foo" );
      BOOST_CHECK_EQUAL( subps[1], "bar" );
  }
  
  BOOST_AUTO_TEST_CASE( extract_subprotocols_invalid) {
      processor_setup env(true);
      std::vector<std::string> subps;
  
      env.req.replace_header("Sec-WebSocket-Protocol","foo,bar,,,,");
  
      BOOST_CHECK_EQUAL( env.p.extract_subprotocols(env.req,subps), websocketpp::processor::error::make_error_code(websocketpp::processor::error::subprotocol_parse_error) );
      BOOST_CHECK_EQUAL( subps.size(), 0 );
  }
  
  BOOST_AUTO_TEST_CASE( extension_negotiation_permessage_deflate ) {
      processor_setup_ext env(true);
  
      env.req.replace_header("Sec-WebSocket-Extensions",
          "permessage-deflate; client_max_window_bits");
  
      std::pair<websocketpp::lib::error_code,std::string> neg_results;
      neg_results = env.p.negotiate_extensions(env.req);
  
      BOOST_CHECK( !neg_results.first );
      BOOST_CHECK_EQUAL( neg_results.second, "permessage-deflate" );
  }
  
  