require("../common");
http = require("http");
url = require("url");

//
// Slight variation on test-http-client-race to test for another race
// condition involving the parsers FreeList used internally by http.Client.
//

var body1_s = "1111111111111111";
var body2_s = "22222";
var body3_s = "3333333333333333333";

var server = http.createServer(function (req, res) {
  var pathname = url.parse(req.url).pathname;

  var body;
  switch (pathname) {
    case "/1": body = body1_s; break;
    case "/2": body = body2_s; break;
    default: body = body3_s;
  };

  res.writeHead(200, { "Content-Type": "text/plain"
                      , "Content-Length": body.length
                      });
  res.end(body);
});
server.listen(PORT);

var client = http.createClient(PORT);

var body1 = "";
var body2 = "";
var body3 = "";

//
// Client #1 is assigned Parser #1
//
var req1 = client.request("/1")
req1.end();
req1.addListener('response', function (res1) {
  res1.setBodyEncoding("utf8");

  res1.addListener('data', function (chunk) {
    body1 += chunk;
  });

  res1.addListener('end', function () {
    //
    // Delay execution a little to allow the "close" event to be processed
    // (required to trigger this bug!)
    //
    setTimeout(function () {
      //
      // The bug would introduce itself here: Client #2 would be allocated the
      // parser that previously belonged to Client #1. But we're not finished
      // with Client #1 yet!
      //
      var client2 = http.createClient(PORT);

      //
      // At this point, the bug would manifest itself and crash because the
      // internal state of the parser was no longer valid for use by Client #1.
      //
      var req2 = client.request("/2");
      req2.end();
      req2.addListener('response', function (res2) {
        res2.setBodyEncoding("utf8");
        res2.addListener('data', function (chunk) { body2 += chunk; });
        res2.addListener('end', function () {

          //
          // Just to be really sure we've covered all our bases, execute a
          // request using client2.
          //
          var req3 = client2.request("/3");
          req3.end();
          req3.addListener('response', function (res3) {
            res3.setBodyEncoding("utf8");
            res3.addListener('data', function (chunk) { body3 += chunk });
            res3.addListener('end', function() { server.close(); });
          });
        });
      });
    }, 500);
  });
});

process.addListener("exit", function () {
  assert.equal(body1_s, body1);
  assert.equal(body2_s, body2);
  assert.equal(body3_s, body3);
});