diff --git a/src/crowtest/crow_unittest.cpp b/src/crowtest/crow_unittest.cpp
index 8072c92..e84c1a5 100644
--- a/src/crowtest/crow_unittest.cpp
+++ b/src/crowtest/crow_unittest.cpp
@@ -12,1080 +12,1088 @@
 using namespace crow;
 
 bool failed__ = false;
-void error_print()
-{
-    cerr << endl;
+void error_print() { cerr << endl; }
+
+template <typename A, typename... Args>
+void error_print(const A& a, Args... args) {
+  cerr << a;
+  error_print(args...);
 }
 
-template <typename A, typename ...Args>
-void error_print(const A& a, Args...args)
-{
-    cerr<<a;
-    error_print(args...);
+template <typename... Args>
+void fail(Args... args) {
+  error_print(args...);
+  failed__ = true;
 }
 
-template <typename ...Args>
-void fail(Args...args) { error_print(args...);failed__ = true; }
+#define ASSERT_EQUAL(a, b)                                                  \
+  if ((a) != (b))                                                           \
+  fail(__FILE__ ":", __LINE__, ": Assert fail: expected ", (a), " actual ", \
+       (b), ", " #a " == " #b ", at " __FILE__ ":", __LINE__)
+#define ASSERT_NOTEQUAL(a, b)                                       \
+  if ((a) == (b))                                                   \
+  fail(__FILE__ ":", __LINE__, ": Assert fail: not expected ", (a), \
+       ", " #a " != " #b ", at " __FILE__ ":", __LINE__)
 
-#define ASSERT_EQUAL(a, b) if ((a) != (b)) fail(__FILE__ ":", __LINE__, ": Assert fail: expected ", (a), " actual ", (b),  ", " #a " == " #b ", at " __FILE__ ":",__LINE__)
-#define ASSERT_NOTEQUAL(a, b) if ((a) == (b)) fail(__FILE__ ":", __LINE__, ": Assert fail: not expected ", (a), ", " #a " != " #b ", at " __FILE__ ":",__LINE__)
-
-#define DISABLE_TEST(x) struct test##x{void test();}x##_; \
-    void test##x::test()
-
+#define DISABLE_TEST(x) \
+  struct test##x {      \
+    void test();        \
+  } x##_;               \
+  void test##x::test()
 
 #define LOCALHOST_ADDRESS "127.0.0.1"
 
+TEST(Crow, Rule) {
+  TaggedRule<> r("/http/");
+  r.name("abc");
 
-TEST(Crow, Rule)
-{
-    TaggedRule<> r("/http/");
-    r.name("abc");
-
-    // empty handler - fail to validate
-    try
-    {
-        r.validate();
-        fail("empty handler should fail to validate");
-    }
-    catch(runtime_error& e)
-    {
-    }
-
-    int x = 0;
-
-    // registering handler
-    r([&x]{x = 1;return "";});
-
+  // empty handler - fail to validate
+  try {
     r.validate();
+    fail("empty handler should fail to validate");
+  } catch (runtime_error& e) {
+  }
 
+  int x = 0;
+
+  // registering handler
+  r([&x] {
+    x = 1;
+    return "";
+  });
+
+  r.validate();
+
+  response res;
+
+  // executing handler
+  ASSERT_EQUAL(0, x);
+  r.handle(request(), res, routing_params());
+  ASSERT_EQUAL(1, x);
+
+  // registering handler with request argument
+  r([&x](const crow::request&) {
+    x = 2;
+    return "";
+  });
+
+  r.validate();
+
+  // executing handler
+  ASSERT_EQUAL(1, x);
+  r.handle(request(), res, routing_params());
+  ASSERT_EQUAL(2, x);
+}
+
+TEST(Crow, ParameterTagging) {
+  static_assert(black_magic::is_valid("<int><int><int>"), "valid url");
+  static_assert(!black_magic::is_valid("<int><int<<int>"), "invalid url");
+  static_assert(!black_magic::is_valid("nt>"), "invalid url");
+  ASSERT_EQUAL(1, black_magic::get_parameter_tag("<int>"));
+  ASSERT_EQUAL(2, black_magic::get_parameter_tag("<uint>"));
+  ASSERT_EQUAL(3, black_magic::get_parameter_tag("<float>"));
+  ASSERT_EQUAL(3, black_magic::get_parameter_tag("<double>"));
+  ASSERT_EQUAL(4, black_magic::get_parameter_tag("<str>"));
+  ASSERT_EQUAL(4, black_magic::get_parameter_tag("<string>"));
+  ASSERT_EQUAL(5, black_magic::get_parameter_tag("<path>"));
+  ASSERT_EQUAL(6 * 6 + 6 + 1,
+               black_magic::get_parameter_tag("<int><int><int>"));
+  ASSERT_EQUAL(6 * 6 + 6 + 2,
+               black_magic::get_parameter_tag("<uint><int><int>"));
+  ASSERT_EQUAL(6 * 6 + 6 * 3 + 2,
+               black_magic::get_parameter_tag("<uint><double><int>"));
+
+  // url definition parsed in compile time, build into *one number*, and given
+  // to template argument
+  static_assert(
+      std::is_same<black_magic::S<uint64_t, double, int64_t>,
+                   black_magic::arguments<6 * 6 + 6 * 3 + 2>::type>::value,
+      "tag to type container");
+}
+
+TEST(Crow, PathRouting) {
+  SimpleApp app;
+
+  CROW_ROUTE(app, "/file")
+  ([] { return "file"; });
+
+  CROW_ROUTE(app, "/path/")
+  ([] { return "path"; });
+
+  {
+    request req;
     response res;
 
-    // executing handler
-    ASSERT_EQUAL(0, x);
-    r.handle(request(), res, routing_params());
-    ASSERT_EQUAL(1, x);
+    req.url = "/file";
 
-    // registering handler with request argument
-    r([&x](const crow::request&){x = 2;return "";});
+    app.handle(req, res);
 
-    r.validate();
+    ASSERT_EQUAL(200, res.code);
+  }
+  {
+    request req;
+    response res;
 
-    // executing handler
-    ASSERT_EQUAL(1, x);
-    r.handle(request(), res, routing_params());
-    ASSERT_EQUAL(2, x);
+    req.url = "/file/";
+
+    app.handle(req, res);
+    ASSERT_EQUAL(404, res.code);
+  }
+  {
+    request req;
+    response res;
+
+    req.url = "/path";
+
+    app.handle(req, res);
+    ASSERT_NOTEQUAL(404, res.code);
+  }
+  {
+    request req;
+    response res;
+
+    req.url = "/path/";
+
+    app.handle(req, res);
+    ASSERT_EQUAL(200, res.code);
+  }
 }
 
-TEST(Crow, ParameterTagging)
-{
-    static_assert(black_magic::is_valid("<int><int><int>"), "valid url");
-    static_assert(!black_magic::is_valid("<int><int<<int>"), "invalid url");
-    static_assert(!black_magic::is_valid("nt>"), "invalid url");
-    ASSERT_EQUAL(1, black_magic::get_parameter_tag("<int>"));
-    ASSERT_EQUAL(2, black_magic::get_parameter_tag("<uint>"));
-    ASSERT_EQUAL(3, black_magic::get_parameter_tag("<float>"));
-    ASSERT_EQUAL(3, black_magic::get_parameter_tag("<double>"));
-    ASSERT_EQUAL(4, black_magic::get_parameter_tag("<str>"));
-    ASSERT_EQUAL(4, black_magic::get_parameter_tag("<string>"));
-    ASSERT_EQUAL(5, black_magic::get_parameter_tag("<path>"));
-    ASSERT_EQUAL(6*6+6+1, black_magic::get_parameter_tag("<int><int><int>"));
-    ASSERT_EQUAL(6*6+6+2, black_magic::get_parameter_tag("<uint><int><int>"));
-    ASSERT_EQUAL(6*6+6*3+2, black_magic::get_parameter_tag("<uint><double><int>"));
+TEST(Crow, RoutingTest) {
+  SimpleApp app;
+  int A{};
+  uint32_t B{};
+  double C{};
+  string D{};
+  string E{};
 
-    // url definition parsed in compile time, build into *one number*, and given to template argument
-    static_assert(std::is_same<black_magic::S<uint64_t, double, int64_t>, black_magic::arguments<6*6+6*3+2>::type>::value, "tag to type container");
+  CROW_ROUTE(app, "/0/<uint>")
+  ([&](uint32_t b) {
+    B = b;
+    return "OK";
+  });
+
+  CROW_ROUTE(app, "/1/<int>/<uint>")
+  ([&](int a, uint32_t b) {
+    A = a;
+    B = b;
+    return "OK";
+  });
+
+  CROW_ROUTE(app, "/4/<int>/<uint>/<double>/<string>")
+  ([&](int a, uint32_t b, double c, string d) {
+    A = a;
+    B = b;
+    C = c;
+    D = d;
+    return "OK";
+  });
+
+  CROW_ROUTE(app, "/5/<int>/<uint>/<double>/<string>/<path>")
+  ([&](int a, uint32_t b, double c, string d, string e) {
+    A = a;
+    B = b;
+    C = c;
+    D = d;
+    E = e;
+    return "OK";
+  });
+
+  app.validate();
+  // app.debug_print();
+  {
+    request req;
+    response res;
+
+    req.url = "/-1";
+
+    app.handle(req, res);
+
+    ASSERT_EQUAL(404, res.code);
+  }
+
+  {
+    request req;
+    response res;
+
+    req.url = "/0/1001999";
+
+    app.handle(req, res);
+
+    ASSERT_EQUAL(200, res.code);
+
+    ASSERT_EQUAL(1001999, B);
+  }
+
+  {
+    request req;
+    response res;
+
+    req.url = "/1/-100/1999";
+
+    app.handle(req, res);
+
+    ASSERT_EQUAL(200, res.code);
+
+    ASSERT_EQUAL(-100, A);
+    ASSERT_EQUAL(1999, B);
+  }
+  {
+    request req;
+    response res;
+
+    req.url = "/4/5000/3/-2.71828/hellhere";
+    req.add_header("TestHeader", "Value");
+
+    app.handle(req, res);
+
+    ASSERT_EQUAL(200, res.code);
+
+    ASSERT_EQUAL(5000, A);
+    ASSERT_EQUAL(3, B);
+    ASSERT_EQUAL(-2.71828, C);
+    ASSERT_EQUAL("hellhere", D);
+  }
+  {
+    request req;
+    response res;
+
+    req.url = "/5/-5/999/3.141592/hello_there/a/b/c/d";
+    req.add_header("TestHeader", "Value");
+
+    app.handle(req, res);
+
+    ASSERT_EQUAL(200, res.code);
+
+    ASSERT_EQUAL(-5, A);
+    ASSERT_EQUAL(999, B);
+    ASSERT_EQUAL(3.141592, C);
+    ASSERT_EQUAL("hello_there", D);
+    ASSERT_EQUAL("a/b/c/d", E);
+  }
 }
 
-TEST(Crow, PathRouting)
-{
-    SimpleApp app;
+TEST(Crow, simple_response_routing_params) {
+  ASSERT_EQUAL(100, response(100).code);
+  ASSERT_EQUAL(200, response("Hello there").code);
+  ASSERT_EQUAL(500, response(500, "Internal Error?").code);
 
-    CROW_ROUTE(app, "/file")
-    ([]{
-        return "file";
-    });
-
-    CROW_ROUTE(app, "/path/")
-    ([]{
-        return "path";
-    });
-
-    {
-        request req;
-        response res;
-
-        req.url = "/file";
-
-        app.handle(req, res);
-
-        ASSERT_EQUAL(200, res.code);
-    }
-    {
-        request req;
-        response res;
-
-        req.url = "/file/";
-
-        app.handle(req, res);
-        ASSERT_EQUAL(404, res.code);
-    }
-    {
-        request req;
-        response res;
-
-        req.url = "/path";
-
-        app.handle(req, res);
-        ASSERT_NOTEQUAL(404, res.code);
-    }
-    {
-        request req;
-        response res;
-
-        req.url = "/path/";
-
-        app.handle(req, res);
-        ASSERT_EQUAL(200, res.code);
-    }
+  routing_params rp;
+  rp.int_params.push_back(1);
+  rp.int_params.push_back(5);
+  rp.uint_params.push_back(2);
+  rp.double_params.push_back(3);
+  rp.string_params.push_back("hello");
+  ASSERT_EQUAL(1, rp.get<int64_t>(0));
+  ASSERT_EQUAL(5, rp.get<int64_t>(1));
+  ASSERT_EQUAL(2, rp.get<uint64_t>(0));
+  ASSERT_EQUAL(3, rp.get<double>(0));
+  ASSERT_EQUAL("hello", rp.get<string>(0));
 }
 
-TEST(Crow, RoutingTest)
-{
-    SimpleApp app;
-    int A{};
-    uint32_t B{};
-    double C{};
-    string D{};
-    string E{};
-
-    CROW_ROUTE(app, "/0/<uint>")
-    ([&](uint32_t b){
-        B = b;
-        return "OK";
-    });
-
-    CROW_ROUTE(app, "/1/<int>/<uint>")
-    ([&](int a, uint32_t b){
-        A = a; B = b;
-        return "OK";
-    });
-
-    CROW_ROUTE(app, "/4/<int>/<uint>/<double>/<string>")
-    ([&](int a, uint32_t b, double c, string d){
-        A = a; B = b; C = c; D = d;
-        return "OK";
-    });
-
-    CROW_ROUTE(app, "/5/<int>/<uint>/<double>/<string>/<path>")
-    ([&](int a, uint32_t b, double c, string d, string e){
-        A = a; B = b; C = c; D = d; E = e;
-        return "OK";
-    });
-
-    app.validate();
-    //app.debug_print();
-	{
-        request req;
-        response res;
-
-        req.url = "/-1";
-
-        app.handle(req, res);
-
-        ASSERT_EQUAL(404, res.code);
-	}
-
-    {
-        request req;
-        response res;
-
-        req.url = "/0/1001999";
-
-        app.handle(req, res);
-
-        ASSERT_EQUAL(200, res.code);
-
-        ASSERT_EQUAL(1001999, B);
-    }
-
-    {
-        request req;
-        response res;
-
-        req.url = "/1/-100/1999";
-
-        app.handle(req, res);
-
-        ASSERT_EQUAL(200, res.code);
-
-        ASSERT_EQUAL(-100, A);
-        ASSERT_EQUAL(1999, B);
-    }
-    {
-        request req;
-        response res;
-
-        req.url = "/4/5000/3/-2.71828/hellhere";
-        req.add_header("TestHeader", "Value");
-
-        app.handle(req, res);
-
-        ASSERT_EQUAL(200, res.code);
-
-        ASSERT_EQUAL(5000, A);
-        ASSERT_EQUAL(3, B);
-        ASSERT_EQUAL(-2.71828, C);
-        ASSERT_EQUAL("hellhere", D);
-    }
-    {
-        request req;
-        response res;
-
-        req.url = "/5/-5/999/3.141592/hello_there/a/b/c/d";
-        req.add_header("TestHeader", "Value");
-
-        app.handle(req, res);
-
-        ASSERT_EQUAL(200, res.code);
-
-        ASSERT_EQUAL(-5, A);
-        ASSERT_EQUAL(999, B);
-        ASSERT_EQUAL(3.141592, C);
-        ASSERT_EQUAL("hello_there", D);
-        ASSERT_EQUAL("a/b/c/d", E);
-    }
+TEST(Crow, handler_with_response) {
+  SimpleApp app;
+  CROW_ROUTE(app, "/")([](const crow::request&, crow::response&) {});
 }
 
-TEST(Crow, simple_response_routing_params)
-{
-    ASSERT_EQUAL(100, response(100).code);
-    ASSERT_EQUAL(200, response("Hello there").code);
-    ASSERT_EQUAL(500, response(500, "Internal Error?").code);
+TEST(Crow, http_method) {
+  SimpleApp app;
 
-    routing_params rp;
-    rp.int_params.push_back(1);
-    rp.int_params.push_back(5);
-    rp.uint_params.push_back(2);
-    rp.double_params.push_back(3);
-    rp.string_params.push_back("hello");
-    ASSERT_EQUAL(1, rp.get<int64_t>(0));
-    ASSERT_EQUAL(5, rp.get<int64_t>(1));
-    ASSERT_EQUAL(2, rp.get<uint64_t>(0));
-    ASSERT_EQUAL(3, rp.get<double>(0));
-    ASSERT_EQUAL("hello", rp.get<string>(0));
+  CROW_ROUTE(app, "/").methods("POST"_method,
+                               "GET"_method)([](const request& req) {
+    if (req.method == "GET"_method)
+      return "2";
+    else
+      return "1";
+  });
+
+  CROW_ROUTE(app, "/get_only")
+      .methods("GET"_method)([](const request& /*req*/) { return "get"; });
+  CROW_ROUTE(app, "/post_only")
+      .methods("POST"_method)([](const request& /*req*/) { return "post"; });
+
+  // cannot have multiple handlers for the same url
+  // CROW_ROUTE(app, "/")
+  //.methods("GET"_method)
+  //([]{ return "2"; });
+
+  {
+    request req;
+    response res;
+
+    req.url = "/";
+    app.handle(req, res);
+
+    ASSERT_EQUAL("2", res.body);
+  }
+  {
+    request req;
+    response res;
+
+    req.url = "/";
+    req.method = "POST"_method;
+    app.handle(req, res);
+
+    ASSERT_EQUAL("1", res.body);
+  }
+
+  {
+    request req;
+    response res;
+
+    req.url = "/get_only";
+    app.handle(req, res);
+
+    ASSERT_EQUAL("get", res.body);
+  }
+
+  {
+    request req;
+    response res;
+
+    req.url = "/get_only";
+    req.method = "POST"_method;
+    app.handle(req, res);
+
+    ASSERT_NOTEQUAL("get", res.body);
+  }
 }
 
-TEST(Crow, handler_with_response)
-{
-    SimpleApp app;
-    CROW_ROUTE(app, "/")([](const crow::request&, crow::response&)
-    {
-    });
-}
+TEST(Crow, server_handling_error_request) {
+  static char buf[2048];
+  SimpleApp app;
+  CROW_ROUTE(app, "/")([] { return "A"; });
+  Server<SimpleApp> server(&app, LOCALHOST_ADDRESS, 45451);
+  auto _ = async(launch::async, [&] { server.run(); });
+  std::string sendmsg = "POX";
+  asio::io_service is;
+  {
+    asio::ip::tcp::socket c(is);
+    c.connect(asio::ip::tcp::endpoint(
+        asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
 
-TEST(Crow, http_method)
-{
-    SimpleApp app;
+    c.send(asio::buffer(sendmsg));
 
-    CROW_ROUTE(app, "/")
-        .methods("POST"_method, "GET"_method)
-    ([](const request& req){
-        if (req.method == "GET"_method)
-            return "2";
-        else
-            return "1";
-    });
-
-    CROW_ROUTE(app, "/get_only")
-        .methods("GET"_method)
-    ([](const request& /*req*/){
-        return "get";
-    });
-    CROW_ROUTE(app, "/post_only")
-        .methods("POST"_method)
-    ([](const request& /*req*/){
-        return "post";
-    });
-
-
-    // cannot have multiple handlers for the same url
-    //CROW_ROUTE(app, "/")
-    //.methods("GET"_method)
-    //([]{ return "2"; });
-
-    {
-        request req;
-        response res;
-
-        req.url = "/";
-        app.handle(req, res);
-
-        ASSERT_EQUAL("2", res.body);
+    try {
+      c.receive(asio::buffer(buf, 2048));
+      fail();
+    } catch (std::exception& e) {
+      // std::cerr << e.what() << std::endl;
     }
-    {
-        request req;
-        response res;
+  }
+  server.stop();
+}
 
-        req.url = "/";
-        req.method = "POST"_method;
-        app.handle(req, res);
+TEST(Crow, multi_server) {
+  static char buf[2048];
+  SimpleApp app1, app2;
+  CROW_ROUTE(app1, "/").methods("GET"_method,
+                                "POST"_method)([] { return "A"; });
+  CROW_ROUTE(app2, "/").methods("GET"_method,
+                                "POST"_method)([] { return "B"; });
 
-        ASSERT_EQUAL("1", res.body);
+  Server<SimpleApp> server1(&app1, LOCALHOST_ADDRESS, 45451);
+  Server<SimpleApp> server2(&app2, LOCALHOST_ADDRESS, 45452);
+
+  auto _ = async(launch::async, [&] { server1.run(); });
+  auto _2 = async(launch::async, [&] { server2.run(); });
+
+  std::string sendmsg =
+      "POST /\r\nContent-Length:3\r\nX-HeaderTest: 123\r\n\r\nA=B\r\n";
+  asio::io_service is;
+  {
+    asio::ip::tcp::socket c(is);
+    c.connect(asio::ip::tcp::endpoint(
+        asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
+
+    c.send(asio::buffer(sendmsg));
+
+    size_t recved = c.receive(asio::buffer(buf, 2048));
+    ASSERT_EQUAL('A', buf[recved - 1]);
+  }
+
+  {
+    asio::ip::tcp::socket c(is);
+    c.connect(asio::ip::tcp::endpoint(
+        asio::ip::address::from_string(LOCALHOST_ADDRESS), 45452));
+
+    for (auto ch : sendmsg) {
+      char buf[1] = {ch};
+      c.send(asio::buffer(buf));
     }
 
-    {
-        request req;
-        response res;
+    size_t recved = c.receive(asio::buffer(buf, 2048));
+    ASSERT_EQUAL('B', buf[recved - 1]);
+  }
 
-        req.url = "/get_only";
-        app.handle(req, res);
+  server1.stop();
+  server2.stop();
+}
 
-        ASSERT_EQUAL("get", res.body);
+TEST(Crow, json_read) {
+  {
+    const char* json_error_tests[] = {
+        "{} 3",
+        "{{}",
+        "{3}",
+        "3.4.5",
+        "+3",
+        "3-2",
+        "00",
+        "03",
+        "1e3e3",
+        "1e+.3",
+        "nll",
+        "f",
+        "t",
+        "{\"x\":3,}",
+        "{\"x\"}",
+        "{\"x\":3   q}",
+        "{\"x\":[3 4]}",
+        "{\"x\":[\"",
+        "{\"x\":[[], 4],\"y\",}",
+        "{\"x\":[3",
+        "{\"x\":[ null, false, true}",
+    };
+    for (auto s : json_error_tests) {
+      auto x = json::load(s);
+      if (x) {
+        fail("should fail to parse ", s);
+        return;
+      }
     }
+  }
 
-    {
-        request req;
-        response res;
+  auto x = json::load(R"({"message":"hello, world"})");
+  if (!x) fail("fail to parse");
+  ASSERT_EQUAL("hello, world", x["message"]);
+  ASSERT_EQUAL(1, x.size());
+  ASSERT_EQUAL(false, x.has("mess"));
+  ASSERT_THROW(x["mess"], std::exception);
+  // TODO returning false is better than exception
+  // ASSERT_THROW(3 == x["message"], std::exception);
+  ASSERT_EQUAL(12, x["message"].size());
 
-        req.url = "/get_only";
-        req.method = "POST"_method;
-        app.handle(req, res);
+  std::string s = R"({"int":3,     "ints"  :[1,2,3,4,5]		})";
+  auto y = json::load(s);
+  ASSERT_EQUAL(3, y["int"]);
+  ASSERT_EQUAL(3.0, y["int"]);
+  ASSERT_NOTEQUAL(3.01, y["int"]);
+  ASSERT_EQUAL(5, y["ints"].size());
+  ASSERT_EQUAL(1, y["ints"][0]);
+  ASSERT_EQUAL(2, y["ints"][1]);
+  ASSERT_EQUAL(3, y["ints"][2]);
+  ASSERT_EQUAL(4, y["ints"][3]);
+  ASSERT_EQUAL(5, y["ints"][4]);
+  ASSERT_EQUAL(1u, y["ints"][0]);
+  ASSERT_EQUAL(1.f, y["ints"][0]);
 
-        ASSERT_NOTEQUAL("get", res.body);
+  int q = (int)y["ints"][1];
+  ASSERT_EQUAL(2, q);
+  q = y["ints"][2].i();
+  ASSERT_EQUAL(3, q);
+
+  std::string s2 = R"({"bools":[true, false], "doubles":[1.2, -3.4]})";
+  auto z = json::load(s2);
+  ASSERT_EQUAL(2, z["bools"].size());
+  ASSERT_EQUAL(2, z["doubles"].size());
+  ASSERT_EQUAL(true, z["bools"][0].b());
+  ASSERT_EQUAL(false, z["bools"][1].b());
+  ASSERT_EQUAL(1.2, z["doubles"][0].d());
+  ASSERT_EQUAL(-3.4, z["doubles"][1].d());
+
+  std::string s3 = R"({"uint64": 18446744073709551615})";
+  auto z1 = json::load(s3);
+  ASSERT_EQUAL(18446744073709551615ull, z1["uint64"].u());
+}
+
+TEST(Crow, json_read_real) {
+  vector<std::string> v{"0.036303908355795146",
+                        "0.18320417789757412",
+                        "0.05319940476190476",
+                        "0.15224702380952382",
+                        "0",
+                        "0.3296201145552561",
+                        "0.47921580188679247",
+                        "0.05873511904761905",
+                        "0.1577827380952381",
+                        "0.4996841307277628",
+                        "0.6425412735849056",
+                        "0.052113095238095236",
+                        "0.12830357142857143",
+                        "0.7871041105121294",
+                        "0.954220013477089",
+                        "0.05869047619047619",
+                        "0.1625",
+                        "0.8144794474393531",
+                        "0.9721613881401617",
+                        "0.1399404761904762",
+                        "0.24470238095238095",
+                        "0.04527459568733154",
+                        "0.2096950808625337",
+                        "0.35267857142857145",
+                        "0.42791666666666667",
+                        "0.855731974393531",
+                        "0.9352467991913747",
+                        "0.3816220238095238",
+                        "0.4282886904761905",
+                        "0.39414167789757415",
+                        "0.5316079851752021",
+                        "0.3809375",
+                        "0.4571279761904762",
+                        "0.03522995283018868",
+                        "0.1915641846361186",
+                        "0.6164136904761904",
+                        "0.7192708333333333",
+                        "0.05675117924528302",
+                        "0.21308541105121293",
+                        "0.7045386904761904",
+                        "0.8016815476190476"};
+  for (auto x : v) {
+    CROW_LOG_DEBUG << x;
+    ASSERT_EQUAL(json::load(x).d(), boost::lexical_cast<double>(x));
+  }
+
+  auto ret = json::load(
+      R"---({"balloons":[{"mode":"ellipse","left":0.036303908355795146,"right":0.18320417789757412,"top":0.05319940476190476,"bottom":0.15224702380952382,"index":"0"},{"mode":"ellipse","left":0.3296201145552561,"right":0.47921580188679247,"top":0.05873511904761905,"bottom":0.1577827380952381,"index":"1"},{"mode":"ellipse","left":0.4996841307277628,"right":0.6425412735849056,"top":0.052113095238095236,"bottom":0.12830357142857143,"index":"2"},{"mode":"ellipse","left":0.7871041105121294,"right":0.954220013477089,"top":0.05869047619047619,"bottom":0.1625,"index":"3"},{"mode":"ellipse","left":0.8144794474393531,"right":0.9721613881401617,"top":0.1399404761904762,"bottom":0.24470238095238095,"index":"4"},{"mode":"ellipse","left":0.04527459568733154,"right":0.2096950808625337,"top":0.35267857142857145,"bottom":0.42791666666666667,"index":"5"},{"mode":"ellipse","left":0.855731974393531,"right":0.9352467991913747,"top":0.3816220238095238,"bottom":0.4282886904761905,"index":"6"},{"mode":"ellipse","left":0.39414167789757415,"right":0.5316079851752021,"top":0.3809375,"bottom":0.4571279761904762,"index":"7"},{"mode":"ellipse","left":0.03522995283018868,"right":0.1915641846361186,"top":0.6164136904761904,"bottom":0.7192708333333333,"index":"8"},{"mode":"ellipse","left":0.05675117924528302,"right":0.21308541105121293,"top":0.7045386904761904,"bottom":0.8016815476190476,"index":"9"}]})---");
+  ASSERT_TRUE(ret);
+}
+
+TEST(Crow, json_read_unescaping) {
+  {
+    auto x = json::load(R"({"data":"\ud55c\n\t\r"})");
+    if (!x) {
+      fail("fail to parse");
+      return;
     }
-
+    ASSERT_EQUAL(6, x["data"].size());
+    ASSERT_EQUAL("한\n\t\r", x["data"]);
+  }
+  {
+    // multiple r_string instance
+    auto x = json::load(R"({"data":"\ud55c\n\t\r"})");
+    auto a = x["data"].s();
+    auto b = x["data"].s();
+    ASSERT_EQUAL(6, a.size());
+    ASSERT_EQUAL(6, b.size());
+    ASSERT_EQUAL(6, x["data"].size());
+  }
 }
 
-TEST(Crow, server_handling_error_request)
-{
-    static char buf[2048];
-    SimpleApp app;
-    CROW_ROUTE(app, "/")([]{return "A";});
-    Server<SimpleApp> server(&app, LOCALHOST_ADDRESS, 45451);
-    auto _ = async(launch::async, [&]{server.run();});
-    std::string sendmsg = "POX";
-    asio::io_service is;
-    {
-        asio::ip::tcp::socket c(is);
-        c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
+TEST(Crow, json_write) {
+  json::wvalue x;
+  x["message"] = "hello world";
+  ASSERT_EQUAL(R"({"message":"hello world"})", json::dump(x));
+  x["message"] = std::string("string value");
+  ASSERT_EQUAL(R"({"message":"string value"})", json::dump(x));
+  x["message"]["x"] = 3;
+  ASSERT_EQUAL(R"({"message":{"x":3}})", json::dump(x));
+  x["message"]["y"] = 5;
+  ASSERT_TRUE(R"({"message":{"x":3,"y":5}})" == json::dump(x) ||
+              R"({"message":{"y":5,"x":3}})" == json::dump(x));
+  x["message"] = 5.5;
+  ASSERT_EQUAL(R"({"message":5.5})", json::dump(x));
 
+  json::wvalue y;
+  y["scores"][0] = 1;
+  y["scores"][1] = "king";
+  y["scores"][2] = 3.5;
+  ASSERT_EQUAL(R"({"scores":[1,"king",3.5]})", json::dump(y));
 
-        c.send(asio::buffer(sendmsg));
+  y["scores"][2][0] = "real";
+  y["scores"][2][1] = false;
+  y["scores"][2][2] = true;
+  ASSERT_EQUAL(R"({"scores":[1,"king",["real",false,true]]})", json::dump(y));
 
-        try
-        {
-            c.receive(asio::buffer(buf, 2048));
-            fail();
-        }
-        catch(std::exception& e)
-        {
-            //std::cerr << e.what() << std::endl;
-        }
-    }
-    server.stop();
+  y["scores"]["a"]["b"]["c"] = nullptr;
+  ASSERT_EQUAL(R"({"scores":{"a":{"b":{"c":null}}}})", json::dump(y));
+
+  y["scores"] = std::vector<int>{1, 2, 3};
+  ASSERT_EQUAL(R"({"scores":[1,2,3]})", json::dump(y));
 }
 
-TEST(Crow, multi_server)
-{
-    static char buf[2048];
-    SimpleApp app1, app2;
-    CROW_ROUTE(app1, "/").methods("GET"_method, "POST"_method)([]{return "A";});
-    CROW_ROUTE(app2, "/").methods("GET"_method, "POST"_method)([]{return "B";});
-
-    Server<SimpleApp> server1(&app1, LOCALHOST_ADDRESS, 45451);
-    Server<SimpleApp> server2(&app2, LOCALHOST_ADDRESS, 45452);
-
-    auto _ = async(launch::async, [&]{server1.run();});
-    auto _2 = async(launch::async, [&]{server2.run();});
-
-    std::string sendmsg = "POST /\r\nContent-Length:3\r\nX-HeaderTest: 123\r\n\r\nA=B\r\n";
-    asio::io_service is;
-    {
-        asio::ip::tcp::socket c(is);
-        c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
-
-        c.send(asio::buffer(sendmsg));
-
-        size_t recved = c.receive(asio::buffer(buf, 2048));
-        ASSERT_EQUAL('A', buf[recved-1]);
-    }
-
-    {
-        asio::ip::tcp::socket c(is);
-        c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45452));
-
-        for(auto ch:sendmsg)
-        {
-            char buf[1] = {ch};
-            c.send(asio::buffer(buf));
-        }
-
-        size_t recved = c.receive(asio::buffer(buf, 2048));
-        ASSERT_EQUAL('B', buf[recved-1]);
-    }
-
-    server1.stop();
-    server2.stop();
+TEST(Crow, template_basic) {
+  auto t = crow::mustache::compile(R"---(attack of {{name}})---");
+  crow::mustache::context ctx;
+  ctx["name"] = "killer tomatoes";
+  auto result = t.render(ctx);
+  ASSERT_EQUAL("attack of killer tomatoes", result);
+  // crow::mustache::load("basic.mustache");
 }
 
-TEST(Crow, json_read)
-{
-	{
-        const char* json_error_tests[] =
-        {
-            "{} 3", "{{}", "{3}",
-            "3.4.5", "+3", "3-2", "00", "03", "1e3e3", "1e+.3",
-            "nll", "f", "t",
-            "{\"x\":3,}",
-            "{\"x\"}",
-            "{\"x\":3   q}",
-            "{\"x\":[3 4]}",
-            "{\"x\":[\"",
-            "{\"x\":[[], 4],\"y\",}",
-            "{\"x\":[3",
-            "{\"x\":[ null, false, true}",
-        };
-        for(auto s:json_error_tests)
-        {
-            auto x = json::load(s);
-            if (x)
-            {
-                fail("should fail to parse ", s);
-                return;
-            }
-        }
-	}
-
-    auto x = json::load(R"({"message":"hello, world"})");
-    if (!x)
-        fail("fail to parse");
-    ASSERT_EQUAL("hello, world", x["message"]);
-    ASSERT_EQUAL(1, x.size());
-    ASSERT_EQUAL(false, x.has("mess"));
-    ASSERT_THROW(x["mess"], std::exception);
-    // TODO returning false is better than exception
-    //ASSERT_THROW(3 == x["message"], std::exception);
-    ASSERT_EQUAL(12, x["message"].size());
-
-    std::string s = R"({"int":3,     "ints"  :[1,2,3,4,5]		})";
-    auto y = json::load(s);
-    ASSERT_EQUAL(3, y["int"]);
-    ASSERT_EQUAL(3.0, y["int"]);
-    ASSERT_NOTEQUAL(3.01, y["int"]);
-	ASSERT_EQUAL(5, y["ints"].size());
-	ASSERT_EQUAL(1, y["ints"][0]);
-	ASSERT_EQUAL(2, y["ints"][1]);
-	ASSERT_EQUAL(3, y["ints"][2]);
-	ASSERT_EQUAL(4, y["ints"][3]);
-	ASSERT_EQUAL(5, y["ints"][4]);
-	ASSERT_EQUAL(1u, y["ints"][0]);
-	ASSERT_EQUAL(1.f, y["ints"][0]);
-
-	int q = (int)y["ints"][1];
-	ASSERT_EQUAL(2, q);
-	q = y["ints"][2].i();
-	ASSERT_EQUAL(3, q);
-
-    std::string s2 = R"({"bools":[true, false], "doubles":[1.2, -3.4]})";
-    auto z = json::load(s2);
-    ASSERT_EQUAL(2, z["bools"].size());
-    ASSERT_EQUAL(2, z["doubles"].size());
-    ASSERT_EQUAL(true, z["bools"][0].b());
-    ASSERT_EQUAL(false, z["bools"][1].b());
-    ASSERT_EQUAL(1.2, z["doubles"][0].d());
-    ASSERT_EQUAL(-3.4, z["doubles"][1].d());
-
-    std::string s3 = R"({"uint64": 18446744073709551615})";
-    auto z1 = json::load(s3);
-    ASSERT_EQUAL(18446744073709551615ull, z1["uint64"].u());
+TEST(Crow, template_load) {
+  crow::mustache::set_base(".");
+  ofstream("test.mustache") << R"---(attack of {{name}})---";
+  auto t = crow::mustache::load("test.mustache");
+  crow::mustache::context ctx;
+  ctx["name"] = "killer tomatoes";
+  auto result = t.render(ctx);
+  ASSERT_EQUAL("attack of killer tomatoes", result);
+  unlink("test.mustache");
 }
 
-TEST(Crow, json_read_real)
-{
-    vector<std::string> v{"0.036303908355795146", "0.18320417789757412",
-    "0.05319940476190476", "0.15224702380952382", "0", "0.3296201145552561",
-    "0.47921580188679247", "0.05873511904761905", "0.1577827380952381",
-    "0.4996841307277628", "0.6425412735849056", "0.052113095238095236",
-    "0.12830357142857143", "0.7871041105121294", "0.954220013477089",
-    "0.05869047619047619", "0.1625", "0.8144794474393531",
-    "0.9721613881401617", "0.1399404761904762", "0.24470238095238095",
-    "0.04527459568733154", "0.2096950808625337", "0.35267857142857145",
-    "0.42791666666666667", "0.855731974393531", "0.9352467991913747",
-    "0.3816220238095238", "0.4282886904761905", "0.39414167789757415",
-    "0.5316079851752021", "0.3809375", "0.4571279761904762",
-    "0.03522995283018868", "0.1915641846361186", "0.6164136904761904",
-    "0.7192708333333333", "0.05675117924528302", "0.21308541105121293",
-    "0.7045386904761904", "0.8016815476190476"};
-    for(auto x:v)
-    {
-        CROW_LOG_DEBUG << x;
-        ASSERT_EQUAL(json::load(x).d(), boost::lexical_cast<double>(x));
-    }
-
-    auto ret = json::load(R"---({"balloons":[{"mode":"ellipse","left":0.036303908355795146,"right":0.18320417789757412,"top":0.05319940476190476,"bottom":0.15224702380952382,"index":"0"},{"mode":"ellipse","left":0.3296201145552561,"right":0.47921580188679247,"top":0.05873511904761905,"bottom":0.1577827380952381,"index":"1"},{"mode":"ellipse","left":0.4996841307277628,"right":0.6425412735849056,"top":0.052113095238095236,"bottom":0.12830357142857143,"index":"2"},{"mode":"ellipse","left":0.7871041105121294,"right":0.954220013477089,"top":0.05869047619047619,"bottom":0.1625,"index":"3"},{"mode":"ellipse","left":0.8144794474393531,"right":0.9721613881401617,"top":0.1399404761904762,"bottom":0.24470238095238095,"index":"4"},{"mode":"ellipse","left":0.04527459568733154,"right":0.2096950808625337,"top":0.35267857142857145,"bottom":0.42791666666666667,"index":"5"},{"mode":"ellipse","left":0.855731974393531,"right":0.9352467991913747,"top":0.3816220238095238,"bottom":0.4282886904761905,"index":"6"},{"mode":"ellipse","left":0.39414167789757415,"right":0.5316079851752021,"top":0.3809375,"bottom":0.4571279761904762,"index":"7"},{"mode":"ellipse","left":0.03522995283018868,"right":0.1915641846361186,"top":0.6164136904761904,"bottom":0.7192708333333333,"index":"8"},{"mode":"ellipse","left":0.05675117924528302,"right":0.21308541105121293,"top":0.7045386904761904,"bottom":0.8016815476190476,"index":"9"}]})---");
-    ASSERT_TRUE(ret);
+TEST(Crow, black_magic) {
+  using namespace black_magic;
+  static_assert(
+      std::is_same<void, last_element_type<int, char, void>::type>::value,
+      "last_element_type");
+  static_assert(std::is_same<char, pop_back<int, char, void>::rebind<
+                                       last_element_type>::type>::value,
+                "pop_back");
+  static_assert(
+      std::is_same<int, pop_back<int, char, void>::rebind<pop_back>::rebind<
+                            last_element_type>::type>::value,
+      "pop_back");
 }
 
-TEST(Crow, json_read_unescaping)
-{
-    {
-        auto x = json::load(R"({"data":"\ud55c\n\t\r"})");
-        if (!x)
-        {
-            fail("fail to parse");
-            return;
-        }
-        ASSERT_EQUAL(6, x["data"].size());
-        ASSERT_EQUAL("한\n\t\r", x["data"]);
-    }
-    {
-        // multiple r_string instance
-        auto x = json::load(R"({"data":"\ud55c\n\t\r"})");
-        auto a = x["data"].s();
-        auto b = x["data"].s();
-        ASSERT_EQUAL(6, a.size());
-        ASSERT_EQUAL(6, b.size());
-        ASSERT_EQUAL(6, x["data"].size());
-    }
-}
+struct NullMiddleware {
+  struct context {};
 
-TEST(Crow, json_write)
-{
-    json::wvalue x;
-    x["message"] = "hello world";
-    ASSERT_EQUAL(R"({"message":"hello world"})", json::dump(x));
-    x["message"] = std::string("string value");
-    ASSERT_EQUAL(R"({"message":"string value"})", json::dump(x));
-    x["message"]["x"] = 3;
-    ASSERT_EQUAL(R"({"message":{"x":3}})", json::dump(x));
-    x["message"]["y"] = 5;
-    ASSERT_TRUE(R"({"message":{"x":3,"y":5}})" == json::dump(x) || R"({"message":{"y":5,"x":3}})" == json::dump(x));
-    x["message"] = 5.5;
-    ASSERT_EQUAL(R"({"message":5.5})", json::dump(x));
+  template <typename AllContext>
+  void before_handle(request&, response&, context&, AllContext&) {}
 
-    json::wvalue y;
-    y["scores"][0] = 1;
-    y["scores"][1] = "king";
-    y["scores"][2] = 3.5;
-    ASSERT_EQUAL(R"({"scores":[1,"king",3.5]})", json::dump(y));
-
-    y["scores"][2][0] = "real";
-    y["scores"][2][1] = false;
-    y["scores"][2][2] = true;
-    ASSERT_EQUAL(R"({"scores":[1,"king",["real",false,true]]})", json::dump(y));
-
-    y["scores"]["a"]["b"]["c"] = nullptr;
-    ASSERT_EQUAL(R"({"scores":{"a":{"b":{"c":null}}}})", json::dump(y));
-
-    y["scores"] = std::vector<int>{1,2,3};
-    ASSERT_EQUAL(R"({"scores":[1,2,3]})", json::dump(y));
-
-}
-
-TEST(Crow, template_basic)
-{
-    auto t = crow::mustache::compile(R"---(attack of {{name}})---");
-    crow::mustache::context ctx;
-    ctx["name"] = "killer tomatoes";
-    auto result = t.render(ctx);
-    ASSERT_EQUAL("attack of killer tomatoes", result);
-    //crow::mustache::load("basic.mustache");
-}
-
-TEST(Crow, template_load)
-{
-    crow::mustache::set_base(".");
-    ofstream("test.mustache") << R"---(attack of {{name}})---";
-    auto t = crow::mustache::load("test.mustache");
-    crow::mustache::context ctx;
-    ctx["name"] = "killer tomatoes";
-    auto result = t.render(ctx);
-    ASSERT_EQUAL("attack of killer tomatoes", result);
-    unlink("test.mustache");
-}
-
-TEST(Crow, black_magic)
-{
-    using namespace black_magic;
-    static_assert(std::is_same<void, last_element_type<int, char, void>::type>::value, "last_element_type");
-    static_assert(std::is_same<char, pop_back<int, char, void>::rebind<last_element_type>::type>::value, "pop_back");
-    static_assert(std::is_same<int, pop_back<int, char, void>::rebind<pop_back>::rebind<last_element_type>::type>::value, "pop_back");
-}
-
-struct NullMiddleware
-{
-    struct context {};
-
-    template <typename AllContext>
-    void before_handle(request&, response&, context&, AllContext&)
-    {}
-
-    template <typename AllContext>
-    void after_handle(request&, response&, context&, AllContext&)
-    {}
+  template <typename AllContext>
+  void after_handle(request&, response&, context&, AllContext&) {}
 };
 
-struct NullSimpleMiddleware
-{
-    struct context {};
+struct NullSimpleMiddleware {
+  struct context {};
 
-    void before_handle(request& /*req*/, response& /*res*/, context& /*ctx*/)
-    {}
+  void before_handle(request& /*req*/, response& /*res*/, context& /*ctx*/) {}
 
-    void after_handle(request& /*req*/, response& /*res*/, context& /*ctx*/)
-    {}
+  void after_handle(request& /*req*/, response& /*res*/, context& /*ctx*/) {}
 };
 
-
-TEST(Crow, middleware_simple)
-{
-    App<NullMiddleware, NullSimpleMiddleware> app;
-    decltype(app)::server_t server(&app, LOCALHOST_ADDRESS, 45451);
-    CROW_ROUTE(app, "/")([&](const crow::request& req)
-    {
-        app.get_context<NullMiddleware>(req);
-        app.get_context<NullSimpleMiddleware>(req);
-        return "";
-    });
+TEST(Crow, middleware_simple) {
+  App<NullMiddleware, NullSimpleMiddleware> app;
+  decltype(app)::server_t server(&app, LOCALHOST_ADDRESS, 45451);
+  CROW_ROUTE(app, "/")
+  ([&](const crow::request& req) {
+    app.get_context<NullMiddleware>(req);
+    app.get_context<NullSimpleMiddleware>(req);
+    return "";
+  });
 }
 
-struct IntSettingMiddleware
-{
-    struct context { int val; };
+struct IntSettingMiddleware {
+  struct context {
+    int val;
+  };
 
-    template <typename AllContext>
-    void before_handle(request&, response&, context& ctx, AllContext& )
-    {
-        ctx.val = 1;
-    }
+  template <typename AllContext>
+  void before_handle(request&, response&, context& ctx, AllContext&) {
+    ctx.val = 1;
+  }
 
-    template <typename AllContext>
-    void after_handle(request&, response&, context& ctx, AllContext& )
-    {
-        ctx.val = 2;
-    }
+  template <typename AllContext>
+  void after_handle(request&, response&, context& ctx, AllContext&) {
+    ctx.val = 2;
+  }
 };
 
 std::vector<std::string> test_middleware_context_vector;
 
-struct FirstMW
-{
-    struct context
-    {
-        std::vector<string> v;
-    };
+struct FirstMW {
+  struct context {
+    std::vector<string> v;
+  };
 
-    void before_handle(request& /*req*/, response& /*res*/, context& ctx)
-    {
-        ctx.v.push_back("1 before");
-    }
+  void before_handle(request& /*req*/, response& /*res*/, context& ctx) {
+    ctx.v.push_back("1 before");
+  }
 
-    void after_handle(request& /*req*/, response& /*res*/, context& ctx)
-    {
-        ctx.v.push_back("1 after");
-        test_middleware_context_vector = ctx.v;
-    }
+  void after_handle(request& /*req*/, response& /*res*/, context& ctx) {
+    ctx.v.push_back("1 after");
+    test_middleware_context_vector = ctx.v;
+  }
 };
 
-struct SecondMW
-{
-    struct context {};
-    template <typename AllContext>
-    void before_handle(request& req, response& res, context&, AllContext& all_ctx)
-    {
-        all_ctx.template get<FirstMW>().v.push_back("2 before");
-        if (req.url == "/break")
-            res.end();
-    }
+struct SecondMW {
+  struct context {};
+  template <typename AllContext>
+  void before_handle(request& req, response& res, context&,
+                     AllContext& all_ctx) {
+    all_ctx.template get<FirstMW>().v.push_back("2 before");
+    if (req.url == "/break") res.end();
+  }
 
-    template <typename AllContext>
-    void after_handle(request&, response&, context&, AllContext& all_ctx)
-    {
-        all_ctx.template get<FirstMW>().v.push_back("2 after");
-    }
+  template <typename AllContext>
+  void after_handle(request&, response&, context&, AllContext& all_ctx) {
+    all_ctx.template get<FirstMW>().v.push_back("2 after");
+  }
 };
 
-struct ThirdMW
-{
-    struct context {};
-    template <typename AllContext>
-    void before_handle(request&, response&, context&, AllContext& all_ctx)
-    {
-        all_ctx.template get<FirstMW>().v.push_back("3 before");
-    }
+struct ThirdMW {
+  struct context {};
+  template <typename AllContext>
+  void before_handle(request&, response&, context&, AllContext& all_ctx) {
+    all_ctx.template get<FirstMW>().v.push_back("3 before");
+  }
 
-    template <typename AllContext>
-    void after_handle(request&, response&, context&, AllContext& all_ctx)
-    {
-        all_ctx.template get<FirstMW>().v.push_back("3 after");
-    }
+  template <typename AllContext>
+  void after_handle(request&, response&, context&, AllContext& all_ctx) {
+    all_ctx.template get<FirstMW>().v.push_back("3 after");
+  }
 };
 
-TEST(Crow, middleware_context)
-{
+TEST(Crow, middleware_context) {
+  static char buf[2048];
+  // SecondMW depends on FirstMW (it uses all_ctx.get<FirstMW>)
+  // so it leads to compile error if we remove FirstMW from definition
+  // App<IntSettingMiddleware, SecondMW> app;
+  // or change the order of FirstMW and SecondMW
+  // App<IntSettingMiddleware, SecondMW, FirstMW> app;
 
-    static char buf[2048];
-    // SecondMW depends on FirstMW (it uses all_ctx.get<FirstMW>)
-    // so it leads to compile error if we remove FirstMW from definition
-    // App<IntSettingMiddleware, SecondMW> app;
-    // or change the order of FirstMW and SecondMW
-    // App<IntSettingMiddleware, SecondMW, FirstMW> app;
+  App<IntSettingMiddleware, FirstMW, SecondMW, ThirdMW> app;
 
-    App<IntSettingMiddleware, FirstMW, SecondMW, ThirdMW> app;
-
-    int x{};
-    CROW_ROUTE(app, "/")([&](const request& req){
-        {
-            auto& ctx = app.get_context<IntSettingMiddleware>(req);
-            x = ctx.val;
-        }
-        {
-            auto& ctx = app.get_context<FirstMW>(req);
-            ctx.v.push_back("handle");
-        }
-
-        return "";
-    });
-    CROW_ROUTE(app, "/break")([&](const request& req){
-        {
-            auto& ctx = app.get_context<FirstMW>(req);
-            ctx.v.push_back("handle");
-        }
-
-        return "";
-    });
-
-    decltype(app)::server_t server(&app, LOCALHOST_ADDRESS, 45451);
-    auto _ = async(launch::async, [&]{server.run();});
-    std::string sendmsg = "GET /\r\n\r\n";
-    asio::io_service is;
+  int x{};
+  CROW_ROUTE(app, "/")
+  ([&](const request& req) {
     {
-        asio::ip::tcp::socket c(is);
-        c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
-
-
-        c.send(asio::buffer(sendmsg));
-
-        c.receive(asio::buffer(buf, 2048));
-        c.close();
+      auto& ctx = app.get_context<IntSettingMiddleware>(req);
+      x = ctx.val;
     }
     {
-        auto& out = test_middleware_context_vector;
-        ASSERT_EQUAL(1, x);
-        ASSERT_EQUAL(7, out.size());
-        ASSERT_EQUAL("1 before", out[0]);
-        ASSERT_EQUAL("2 before", out[1]);
-        ASSERT_EQUAL("3 before", out[2]);
-        ASSERT_EQUAL("handle", out[3]);
-        ASSERT_EQUAL("3 after", out[4]);
-        ASSERT_EQUAL("2 after", out[5]);
-        ASSERT_EQUAL("1 after", out[6]);
+      auto& ctx = app.get_context<FirstMW>(req);
+      ctx.v.push_back("handle");
     }
-    std::string sendmsg2 = "GET /break\r\n\r\n";
-    {
-        asio::ip::tcp::socket c(is);
-        c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
 
-        c.send(asio::buffer(sendmsg2));
-
-        c.receive(asio::buffer(buf, 2048));
-        c.close();
-    }
+    return "";
+  });
+  CROW_ROUTE(app, "/break")
+  ([&](const request& req) {
     {
-        auto& out = test_middleware_context_vector;
-        ASSERT_EQUAL(4, out.size());
-        ASSERT_EQUAL("1 before", out[0]);
-        ASSERT_EQUAL("2 before", out[1]);
-        ASSERT_EQUAL("2 after", out[2]);
-        ASSERT_EQUAL("1 after", out[3]);
+      auto& ctx = app.get_context<FirstMW>(req);
+      ctx.v.push_back("handle");
     }
-    server.stop();
+
+    return "";
+  });
+
+  decltype(app)::server_t server(&app, LOCALHOST_ADDRESS, 45451);
+  auto _ = async(launch::async, [&] { server.run(); });
+  std::string sendmsg = "GET /\r\n\r\n";
+  asio::io_service is;
+  {
+    asio::ip::tcp::socket c(is);
+    c.connect(asio::ip::tcp::endpoint(
+        asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
+
+    c.send(asio::buffer(sendmsg));
+
+    c.receive(asio::buffer(buf, 2048));
+    c.close();
+  }
+  {
+    auto& out = test_middleware_context_vector;
+    ASSERT_EQUAL(1, x);
+    ASSERT_EQUAL(7, out.size());
+    ASSERT_EQUAL("1 before", out[0]);
+    ASSERT_EQUAL("2 before", out[1]);
+    ASSERT_EQUAL("3 before", out[2]);
+    ASSERT_EQUAL("handle", out[3]);
+    ASSERT_EQUAL("3 after", out[4]);
+    ASSERT_EQUAL("2 after", out[5]);
+    ASSERT_EQUAL("1 after", out[6]);
+  }
+  std::string sendmsg2 = "GET /break\r\n\r\n";
+  {
+    asio::ip::tcp::socket c(is);
+    c.connect(asio::ip::tcp::endpoint(
+        asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
+
+    c.send(asio::buffer(sendmsg2));
+
+    c.receive(asio::buffer(buf, 2048));
+    c.close();
+  }
+  {
+    auto& out = test_middleware_context_vector;
+    ASSERT_EQUAL(4, out.size());
+    ASSERT_EQUAL("1 before", out[0]);
+    ASSERT_EQUAL("2 before", out[1]);
+    ASSERT_EQUAL("2 after", out[2]);
+    ASSERT_EQUAL("1 after", out[3]);
+  }
+  server.stop();
 }
 
-TEST(Crow, middleware_cookieparser)
-{
-    static char buf[2048];
+TEST(Crow, middleware_cookieparser) {
+  static char buf[2048];
 
-    App<CookieParser> app;
+  App<CookieParser> app;
 
-    std::string value1;
-    std::string value2;
+  std::string value1;
+  std::string value2;
 
-    CROW_ROUTE(app, "/")([&](const request& req){
-        {
-            auto& ctx = app.get_context<CookieParser>(req);
-            value1 = ctx.get_cookie("key1");
-            value2 = ctx.get_cookie("key2");
+  CROW_ROUTE(app, "/")
+  ([&](const request& req) {
+    {
+      auto& ctx = app.get_context<CookieParser>(req);
+      value1 = ctx.get_cookie("key1");
+      value2 = ctx.get_cookie("key2");
+    }
+
+    return "";
+  });
+
+  decltype(app)::server_t server(&app, LOCALHOST_ADDRESS, 45451);
+  auto _ = async(launch::async, [&] { server.run(); });
+  std::string sendmsg =
+      "GET /\r\nCookie: key1=value1; key2=\"val\\\"ue2\"\r\n\r\n";
+  asio::io_service is;
+  {
+    asio::ip::tcp::socket c(is);
+    c.connect(asio::ip::tcp::endpoint(
+        asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
+
+    c.send(asio::buffer(sendmsg));
+
+    c.receive(asio::buffer(buf, 2048));
+    c.close();
+  }
+  {
+    ASSERT_EQUAL("value1", value1);
+    ASSERT_EQUAL("val\"ue2", value2);
+  }
+  server.stop();
+}
+
+TEST(Crow, bug_quick_repeated_request) {
+  static char buf[2048];
+
+  SimpleApp app;
+
+  CROW_ROUTE(app, "/")([&] { return "hello"; });
+
+  decltype(app)::server_t server(&app, LOCALHOST_ADDRESS, 45451);
+  auto _ = async(launch::async, [&] { server.run(); });
+  std::string sendmsg = "GET / HTTP/1.1\r\nHost: localhost\r\n\r\n";
+  asio::io_service is;
+  {
+    std::vector<std::future<void>> v;
+    for (int i = 0; i < 5; i++) {
+      v.push_back(async(launch::async, [&] {
+        asio::ip::tcp::socket c(is);
+        c.connect(asio::ip::tcp::endpoint(
+            asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
+
+        for (int j = 0; j < 5; j++) {
+          c.send(asio::buffer(sendmsg));
+
+          size_t received = c.receive(asio::buffer(buf, 2048));
+          ASSERT_EQUAL("hello",
+                       std::string(buf + received - 5, buf + received));
         }
-
-        return "";
-    });
-
-    decltype(app)::server_t server(&app, LOCALHOST_ADDRESS, 45451);
-    auto _ = async(launch::async, [&]{server.run();});
-    std::string sendmsg = "GET /\r\nCookie: key1=value1; key2=\"val\\\"ue2\"\r\n\r\n";
-    asio::io_service is;
-    {
-        asio::ip::tcp::socket c(is);
-        c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
-
-        c.send(asio::buffer(sendmsg));
-
-        c.receive(asio::buffer(buf, 2048));
         c.close();
+      }));
     }
-    {
-        ASSERT_EQUAL("value1", value1);
-        ASSERT_EQUAL("val\"ue2", value2);
-    }
-    server.stop();
+  }
+  server.stop();
 }
 
-TEST(Crow, bug_quick_repeated_request)
-{
-    static char buf[2048];
+TEST(Crow, simple_url_params) {
+  static char buf[2048];
 
-    SimpleApp app;
+  SimpleApp app;
 
-    CROW_ROUTE(app, "/")([&]{
-        return "hello";
-    });
+  query_string last_url_params;
 
-    decltype(app)::server_t server(&app, LOCALHOST_ADDRESS, 45451);
-    auto _ = async(launch::async, [&]{server.run();});
-    std::string sendmsg = "GET / HTTP/1.1\r\nHost: localhost\r\n\r\n";
-    asio::io_service is;
-    {
-        std::vector<std::future<void>> v;
-        for(int i = 0; i < 5; i++)
-        {
-            v.push_back(async(launch::async,
-                [&]
-                {
-                    asio::ip::tcp::socket c(is);
-                    c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
+  CROW_ROUTE(app, "/params")
+  ([&last_url_params](const crow::request& req) {
+    last_url_params = std::move(req.url_params);
+    return "OK";
+  });
 
-                    for(int j = 0; j < 5; j ++)
-                    {
-                        c.send(asio::buffer(sendmsg));
+  /// params?h=1&foo=bar&lol&count[]=1&count[]=4&pew=5.2
 
-                        size_t received = c.receive(asio::buffer(buf, 2048));
-                        ASSERT_EQUAL("hello", std::string(buf + received - 5, buf + received));
-                    }
-                    c.close();
-                }));
-        }
-    }
-    server.stop();
+  decltype(app)::server_t server(&app, LOCALHOST_ADDRESS, 45451);
+  auto _ = async(launch::async, [&] { server.run(); });
+  asio::io_service is;
+  std::string sendmsg;
+
+  // check empty params
+  sendmsg = "GET /params\r\n\r\n";
+  {
+    asio::ip::tcp::socket c(is);
+    c.connect(asio::ip::tcp::endpoint(
+        asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
+    c.send(asio::buffer(sendmsg));
+    c.receive(asio::buffer(buf, 2048));
+    c.close();
+
+    stringstream ss;
+    ss << last_url_params;
+
+    ASSERT_EQUAL("[  ]", ss.str());
+  }
+  // check single presence
+  sendmsg = "GET /params?foobar\r\n\r\n";
+  {
+    asio::ip::tcp::socket c(is);
+    c.connect(asio::ip::tcp::endpoint(
+        asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
+    c.send(asio::buffer(sendmsg));
+    c.receive(asio::buffer(buf, 2048));
+    c.close();
+
+    ASSERT_TRUE(last_url_params.get("missing") == nullptr);
+    ASSERT_TRUE(last_url_params.get("foobar") != nullptr);
+    ASSERT_TRUE(last_url_params.get_list("missing").empty());
+  }
+  // check multiple presence
+  sendmsg = "GET /params?foo&bar&baz\r\n\r\n";
+  {
+    asio::ip::tcp::socket c(is);
+    c.connect(asio::ip::tcp::endpoint(
+        asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
+    c.send(asio::buffer(sendmsg));
+    c.receive(asio::buffer(buf, 2048));
+    c.close();
+
+    ASSERT_TRUE(last_url_params.get("missing") == nullptr);
+    ASSERT_TRUE(last_url_params.get("foo") != nullptr);
+    ASSERT_TRUE(last_url_params.get("bar") != nullptr);
+    ASSERT_TRUE(last_url_params.get("baz") != nullptr);
+  }
+  // check single value
+  sendmsg = "GET /params?hello=world\r\n\r\n";
+  {
+    asio::ip::tcp::socket c(is);
+    c.connect(asio::ip::tcp::endpoint(
+        asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
+    c.send(asio::buffer(sendmsg));
+    c.receive(asio::buffer(buf, 2048));
+    c.close();
+
+    ASSERT_EQUAL(string(last_url_params.get("hello")), "world");
+  }
+  // check multiple value
+  sendmsg = "GET /params?hello=world&left=right&up=down\r\n\r\n";
+  {
+    asio::ip::tcp::socket c(is);
+    c.connect(asio::ip::tcp::endpoint(
+        asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
+    c.send(asio::buffer(sendmsg));
+    c.receive(asio::buffer(buf, 2048));
+    c.close();
+
+    ASSERT_EQUAL(string(last_url_params.get("hello")), "world");
+    ASSERT_EQUAL(string(last_url_params.get("left")), "right");
+    ASSERT_EQUAL(string(last_url_params.get("up")), "down");
+  }
+  // check multiple value, multiple types
+  sendmsg = "GET /params?int=100&double=123.45&boolean=1\r\n\r\n";
+  {
+    asio::ip::tcp::socket c(is);
+    c.connect(asio::ip::tcp::endpoint(
+        asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
+    c.send(asio::buffer(sendmsg));
+    c.receive(asio::buffer(buf, 2048));
+    c.close();
+
+    ASSERT_EQUAL(boost::lexical_cast<int>(last_url_params.get("int")), 100);
+    ASSERT_EQUAL(boost::lexical_cast<double>(last_url_params.get("double")),
+                 123.45);
+    ASSERT_EQUAL(boost::lexical_cast<bool>(last_url_params.get("boolean")),
+                 true);
+  }
+  // check single array value
+  sendmsg = "GET /params?tmnt[]=leonardo\r\n\r\n";
+  {
+    asio::ip::tcp::socket c(is);
+
+    c.connect(asio::ip::tcp::endpoint(
+        asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
+    c.send(asio::buffer(sendmsg));
+    c.receive(asio::buffer(buf, 2048));
+    c.close();
+
+    ASSERT_TRUE(last_url_params.get("tmnt") == nullptr);
+    ASSERT_EQUAL(last_url_params.get_list("tmnt").size(), 1);
+    ASSERT_EQUAL(string(last_url_params.get_list("tmnt")[0]), "leonardo");
+  }
+  // check multiple array value
+  sendmsg =
+      "GET /params?tmnt[]=leonardo&tmnt[]=donatello&tmnt[]=raphael\r\n\r\n";
+  {
+    asio::ip::tcp::socket c(is);
+
+    c.connect(asio::ip::tcp::endpoint(
+        asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
+    c.send(asio::buffer(sendmsg));
+    c.receive(asio::buffer(buf, 2048));
+    c.close();
+
+    ASSERT_EQUAL(last_url_params.get_list("tmnt").size(), 3);
+    ASSERT_EQUAL(string(last_url_params.get_list("tmnt")[0]), "leonardo");
+    ASSERT_EQUAL(string(last_url_params.get_list("tmnt")[1]), "donatello");
+    ASSERT_EQUAL(string(last_url_params.get_list("tmnt")[2]), "raphael");
+  }
+  server.stop();
 }
 
-TEST(Crow, simple_url_params)
-{
-    static char buf[2048];
+TEST(Crow, route_dynamic) {
+  SimpleApp app;
+  int x = 1;
+  app.route_dynamic("/")([&] {
+    x = 2;
+    return "";
+  });
 
-    SimpleApp app;
+  app.route_dynamic("/set4")([&](const request&) {
+    x = 4;
+    return "";
+  });
+  app.route_dynamic("/set5")([&](const request&, response& res) {
+    x = 5;
+    res.end();
+  });
 
-    query_string last_url_params;
+  app.route_dynamic("/set_int/<int>")([&](int y) {
+    x = y;
+    return "";
+  });
 
-    CROW_ROUTE(app, "/params")
-    ([&last_url_params](const crow::request& req){
-        last_url_params = std::move(req.url_params);
-        return "OK";
-    });
+  try {
+    app.route_dynamic("/invalid_test/<double>/<path>")([]() { return ""; });
+    fail();
+  } catch (std::exception&) {
+  }
 
-    ///params?h=1&foo=bar&lol&count[]=1&count[]=4&pew=5.2
+  // app is in an invalid state when route_dynamic throws an exception.
+  try {
+    app.validate();
+    fail();
+  } catch (std::exception&) {
+  }
 
-    decltype(app)::server_t server(&app, LOCALHOST_ADDRESS, 45451);
-    auto _ = async(launch::async, [&]{server.run();});
-    asio::io_service is;
-    std::string sendmsg;
-
-    // check empty params
-    sendmsg = "GET /params\r\n\r\n";
-    {
-        asio::ip::tcp::socket c(is);
-        c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
-        c.send(asio::buffer(sendmsg));
-        c.receive(asio::buffer(buf, 2048));
-        c.close();
-
-        stringstream ss;
-        ss << last_url_params;
-
-        ASSERT_EQUAL("[  ]", ss.str());
-    }
-    // check single presence
-    sendmsg = "GET /params?foobar\r\n\r\n";
-    {
-        asio::ip::tcp::socket c(is);
-        c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
-        c.send(asio::buffer(sendmsg));
-        c.receive(asio::buffer(buf, 2048));
-        c.close();
-
-        ASSERT_TRUE(last_url_params.get("missing") == nullptr);
-        ASSERT_TRUE(last_url_params.get("foobar") != nullptr);
-        ASSERT_TRUE(last_url_params.get_list("missing").empty());
-    }
-    // check multiple presence
-    sendmsg = "GET /params?foo&bar&baz\r\n\r\n";
-    {
-        asio::ip::tcp::socket c(is);
-        c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
-        c.send(asio::buffer(sendmsg));
-        c.receive(asio::buffer(buf, 2048));
-        c.close();
-
-        ASSERT_TRUE(last_url_params.get("missing") == nullptr);
-        ASSERT_TRUE(last_url_params.get("foo") != nullptr);
-        ASSERT_TRUE(last_url_params.get("bar") != nullptr);
-        ASSERT_TRUE(last_url_params.get("baz") != nullptr);
-    }
-    // check single value
-    sendmsg = "GET /params?hello=world\r\n\r\n";
-    {
-        asio::ip::tcp::socket c(is);
-        c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
-        c.send(asio::buffer(sendmsg));
-        c.receive(asio::buffer(buf, 2048));
-        c.close();
-
-        ASSERT_EQUAL(string(last_url_params.get("hello")), "world");
-    }
-    // check multiple value
-    sendmsg = "GET /params?hello=world&left=right&up=down\r\n\r\n";
-    {
-        asio::ip::tcp::socket c(is);
-        c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
-        c.send(asio::buffer(sendmsg));
-        c.receive(asio::buffer(buf, 2048));
-        c.close();
-
-        ASSERT_EQUAL(string(last_url_params.get("hello")), "world");
-        ASSERT_EQUAL(string(last_url_params.get("left")), "right");
-        ASSERT_EQUAL(string(last_url_params.get("up")),  "down");
-    }
-    // check multiple value, multiple types
-    sendmsg = "GET /params?int=100&double=123.45&boolean=1\r\n\r\n";
-    {
-        asio::ip::tcp::socket c(is);
-        c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
-        c.send(asio::buffer(sendmsg));
-        c.receive(asio::buffer(buf, 2048));
-        c.close();
-
-        ASSERT_EQUAL(boost::lexical_cast<int>(last_url_params.get("int")), 100);
-        ASSERT_EQUAL(boost::lexical_cast<double>(last_url_params.get("double")), 123.45);
-        ASSERT_EQUAL(boost::lexical_cast<bool>(last_url_params.get("boolean")), true);
-    }
-    // check single array value
-    sendmsg = "GET /params?tmnt[]=leonardo\r\n\r\n";
-    {
-        asio::ip::tcp::socket c(is);
-
-        c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
-        c.send(asio::buffer(sendmsg));
-        c.receive(asio::buffer(buf, 2048));
-        c.close();
-
-        ASSERT_TRUE(last_url_params.get("tmnt") == nullptr);
-        ASSERT_EQUAL(last_url_params.get_list("tmnt").size(), 1);
-        ASSERT_EQUAL(string(last_url_params.get_list("tmnt")[0]), "leonardo");
-    }
-    // check multiple array value
-    sendmsg = "GET /params?tmnt[]=leonardo&tmnt[]=donatello&tmnt[]=raphael\r\n\r\n";
-    {
-        asio::ip::tcp::socket c(is);
-
-        c.connect(asio::ip::tcp::endpoint(asio::ip::address::from_string(LOCALHOST_ADDRESS), 45451));
-        c.send(asio::buffer(sendmsg));
-        c.receive(asio::buffer(buf, 2048));
-        c.close();
-
-        ASSERT_EQUAL(last_url_params.get_list("tmnt").size(), 3);
-        ASSERT_EQUAL(string(last_url_params.get_list("tmnt")[0]), "leonardo");
-        ASSERT_EQUAL(string(last_url_params.get_list("tmnt")[1]), "donatello");
-        ASSERT_EQUAL(string(last_url_params.get_list("tmnt")[2]), "raphael");
-    }
-    server.stop();
-}
-
-TEST(Crow, route_dynamic)
-{
-    SimpleApp app;
-    int x = 1;
-    app.route_dynamic("/")
-    ([&]{
-        x = 2;
-        return "";
-    });
-
-    app.route_dynamic("/set4")
-    ([&](const request&){
-        x = 4;
-        return "";
-    });
-    app.route_dynamic("/set5")
-    ([&](const request&, response& res){
-        x = 5;
-        res.end();
-    });
-
-    app.route_dynamic("/set_int/<int>")
-    ([&](int y){
-        x = y;
-        return "";
-    });
-
-    try
-    {
-        app.route_dynamic("/invalid_test/<double>/<path>")
-        ([](){
-            return "";
-        });
-        fail();
-    }
-    catch(std::exception&)
-    {
-    }
-
-    // app is in an invalid state when route_dynamic throws an exception.
-    try
-    {
-        app.validate();
-        fail();
-    }
-    catch(std::exception&)
-    {
-    }
-
-    {
-        request req;
-        response res;
-        req.url = "/";
-        app.handle(req, res);
-        ASSERT_EQUAL(x, 2);
-    }
-    {
-        request req;
-        response res;
-        req.url = "/set_int/42";
-        app.handle(req, res);
-        ASSERT_EQUAL(x, 42);
-    }
-    {
-        request req;
-        response res;
-        req.url = "/set5";
-        app.handle(req, res);
-        ASSERT_EQUAL(x, 5);
-    }
-    {
-        request req;
-        response res;
-        req.url = "/set4";
-        app.handle(req, res);
-        ASSERT_EQUAL(x, 4);
-    }
+  {
+    request req;
+    response res;
+    req.url = "/";
+    app.handle(req, res);
+    ASSERT_EQUAL(x, 2);
+  }
+  {
+    request req;
+    response res;
+    req.url = "/set_int/42";
+    app.handle(req, res);
+    ASSERT_EQUAL(x, 42);
+  }
+  {
+    request req;
+    response res;
+    req.url = "/set5";
+    app.handle(req, res);
+    ASSERT_EQUAL(x, 5);
+  }
+  {
+    request req;
+    response res;
+    req.url = "/set4";
+    app.handle(req, res);
+    ASSERT_EQUAL(x, 4);
+  }
 }