Some fixes. Closes #9, #10

14 files changed, 80 insertions, 193 deletions

diff --git a/README.md b/README.md
index a09a64e..1569ea4 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
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 C++ library for Telegram bot API.

 

diff --git a/include/tgbot/Api.h b/include/tgbot/Api.h
index 0d32252..0f3c097 100644
--- a/include/tgbot/Api.h
+++ b/include/tgbot/Api.h
@@ -59,7 +59,7 @@ public:
 
 	/**
 	 * Use this method to send text messages.
-	 * @param chatId Unique identifier for the message recipient — User or GroupChat id.
+	 * @param chatId Unique identifier for the target chat.
 	 * @param text Text of the message to be sent.
 	 * @param disableWebPagePreview Optional. Disables link previews for links in this message.
 	 * @param replyToMessageId Optional. If the message is a reply, ID of the original message.
@@ -70,7 +70,7 @@ public:
 
 	/**
 	 * Use this method to forward messages of any kind.
-	 * @param chatId Unique identifier for the message recipient — User or GroupChat id.
+	 * @param chatId Unique identifier for the target chat.
 	 * @param fromChatId Unique identifier for the chat where the original message was sent — User or GroupChat id.
 	 * @param messageId Unique message identifier.
 	 * @return On success, the sent message is returned.
@@ -79,7 +79,7 @@ public:
 
 	/**
 	 * Use this method to send photos.
-	 * @param chatId Unique identifier for the message recipient — User or GroupChat id.
+	 * @param chatId Unique identifier for the target chat.
 	 * @param photo Photo to send.
 	 * @param caption Optional. Photo caption.
 	 * @param replyToMessageId Optional. If the message is a reply, ID of the original message.
@@ -90,8 +90,8 @@ public:
 
 	/**
 	 * Use this method to send photos.
-	 * @param chatId Unique identifier for the message recipient — User or GroupChat id.
-	 * @param photoId Id of the photo that is already on the Telegram servers.
+	 * @param chatId Unique identifier for the target chat.
+	 * @param photo Photo to send. Id of the photo that is already on the Telegram servers.
 	 * @param caption Optional. Photo caption.
 	 * @param replyToMessageId Optional. If the message is a reply, ID of the original message.
 	 * @param replyMarkup Optional. Additional interface options. An object for a custom reply keyboard, instructions to hide keyboard or to force a reply from the user.
@@ -101,7 +101,7 @@ public:
 
 	/**
 	 * Use this method to send audio files, if you want Telegram clients to display the file as a playable voice message. For this to work, your audio must be in an .ogg file encoded with OPUS (other formats may be sent as Document).
-	 * @param chatId Unique identifier for the message recipient — User or GroupChat id.
+	 * @param chatId Unique identifier for the target chat.
 	 * @param audio Audio to send.
 	 * @param duration Duration of sent audio in seconds.
 	 * @param replyToMessageId Optional. If the message is a reply, ID of the original message.
@@ -112,8 +112,8 @@ public:
 
 	/**
 	 * Use this method to send audio files, if you want Telegram clients to display the file as a playable voice message. For this to work, your audio must be in an .ogg file encoded with OPUS (other formats may be sent as Document).
-	 * @param chatId Unique identifier for the message recipient — User or GroupChat id.
-	 * @param audioId Id of the audio that is already on the Telegram servers.
+	 * @param chatId Unique identifier for the target chat.
+	 * @param audio Id of the audio that is already on the Telegram servers.
 	 * @param duration Duration of sent audio in seconds.
 	 * @param replyToMessageId Optional. If the message is a reply, ID of the original message.
 	 * @param replyMarkup Optional. Additional interface options. An object for a custom reply keyboard, instructions to hide keyboard or to force a reply from the user.
@@ -123,7 +123,7 @@ public:
 
 	/**
 	 * Use this method to send general files.
-	 * @param chatId Unique identifier for the message recipient — User or GroupChat id.
+	 * @param chatId Unique identifier for the target chat.
 	 * @param document Document to send.
 	 * @param replyToMessageId Optional. If the message is a reply, ID of the original message.
 	 * @param replyMarkup Optional. Additional interface options. An object for a custom reply keyboard, instructions to hide keyboard or to force a reply from the user.
@@ -133,8 +133,8 @@ public:
 
 	/**
 	 * Use this method to send general files.
-	 * @param chatId Unique identifier for the message recipient — User or GroupChat id.
-	 * @param documentId Id of the document that is already on the Telegram servers.
+	 * @param chatId Unique identifier for the target chat.
+	 * @param document Id of the document that is already on the Telegram servers.
 	 * @param replyToMessageId Optional. If the message is a reply, ID of the original message.
 	 * @param replyMarkup Optional. Additional interface options. An object for a custom reply keyboard, instructions to hide keyboard or to force a reply from the user.
 	 * @return On success, the sent message is returned.
@@ -143,7 +143,7 @@ public:
 
 	/**
 	 * Use this method to send .webp stickers.
-	 * @param chatId Unique identifier for the message recipient — User or GroupChat id.
+	 * @param chatId Unique identifier for the target chat.
 	 * @param sticker Sticker to send.
 	 * @param replyToMessageId Optional. If the message is a reply, ID of the original message.
 	 * @param replyMarkup Optional. Additional interface options. An object for a custom reply keyboard, instructions to hide keyboard or to force a reply from the user.
@@ -153,8 +153,8 @@ public:
 
 	/**
 	 * Use this method to send .webp stickers.
-	 * @param chatId Unique identifier for the message recipient — User or GroupChat id.
-	 * @param stickerId Id of the sticker that is already on the Telegram servers.
+	 * @param chatId Unique identifier for the target chat.
+	 * @param sticker Id of the sticker that is already on the Telegram servers.
 	 * @param replyToMessageId Optional. If the message is a reply, ID of the original message.
 	 * @param replyMarkup Optional. Additional interface options. A object for a custom reply keyboard, instructions to hide keyboard or to force a reply from the user.
 	 * @return On success, the sent message is returned.
@@ -163,7 +163,7 @@ public:
 
 	/**
 	 * Use this method to send video files, Telegram clients support mp4 videos (other formats may be sent as Document).
-	 * @param chatId Unique identifier for the message recipient — User or GroupChat id.
+	 * @param chatId Unique identifier for the target chat.
 	 * @param video Video to send.
 	 * @param replyToMessageId Optional. If the message is a reply, ID of the original message.
 	 * @param replyMarkup Optional. Additional interface options. An object for a custom reply keyboard, instructions to hide keyboard or to force a reply from the user.
@@ -173,8 +173,8 @@ public:
 
 	/**
 	 * Use this method to send video files, Telegram clients support mp4 videos (other formats may be sent as Document).
-	 * @param chatId Unique identifier for the message recipient — User or GroupChat id.
-	 * @param videoId Id of the video that is already on the Telegram servers.
+	 * @param chatId Unique identifier for the target chat.
+	 * @param video Id of the video that is already on the Telegram servers.
 	 * @param replyToMessageId Optional. If the message is a reply, ID of the original message.
 	 * @param replyMarkup Optional. Additional interface options. A object for a custom reply keyboard, instructions to hide keyboard or to force a reply from the user.
 	 * @return On success, the sent message is returned.
@@ -183,7 +183,7 @@ public:
 
 	/**
 	 * Use this method to send point on the map.
-	 * @param chatId Unique identifier for the message recipient — User or GroupChat id.
+	 * @param chatId Unique identifier for the target chat.
 	 * @param latitude Latitude of location.
 	 * @param longitude Longitude of location.
 	 * @param replyToMessageId Optional. If the message is a reply, ID of the original message.
@@ -196,7 +196,7 @@ public:
 	 * Use this method when you need to tell the user that something is happening on the bot's side. The status is set for 5 seconds or less (when a message arrives from your bot, Telegram clients clear its typing status).
 	 * Example: The ImageBot needs some time to process a request and upload the image. Instead of sending a text message along the lines of “Retrieving image, please wait…”, the bot may use sendChatAction with action = upload_photo. The user will see a “sending photo” status for the bot.
 	 * We only recommend using this method when a response from the bot will take a noticeable amount of time to arrive.
-	 * @param chatId Unique identifier for the message recipient — User or GroupChat id.
+	 * @param chatId Unique identifier for the target chat.
 	 * @param action Type of action to broadcast. Choose one, depending on what the user is about to receive: typing for text messages, upload_photo for photos, record_video or upload_video for videos, record_audio or upload_audio for audio files, upload_document for general files, find_location for location data.
 	 */
 	void sendChatAction(int32_t chatId, const std::string& action) const;
diff --git a/include/tgbot/TgTypeParser.h b/include/tgbot/TgTypeParser.h
index 2da9685..670e35e 100644
--- a/include/tgbot/TgTypeParser.h
+++ b/include/tgbot/TgTypeParser.h
@@ -30,7 +30,6 @@
 
 #include "tgbot/types/User.h"
 #include "tgbot/types/Chat.h"
-#include "tgbot/types/GroupChat.h"
 #include "tgbot/types/Message.h"
 #include "tgbot/types/PhotoSize.h"
 #include "tgbot/types/Audio.h"
@@ -63,8 +62,6 @@ public:
 	std::string parseChat(const Chat::Ptr& object) const;
 	User::Ptr parseJsonAndGetUser(const boost::property_tree::ptree& data) const;
 	std::string parseUser(const User::Ptr& object) const;
-	GroupChat::Ptr parseJsonAndGetGroupChat(const boost::property_tree::ptree& data) const;
-	std::string parseGroupChat(const GroupChat::Ptr& object) const;
 	Message::Ptr parseJsonAndGetMessage(const boost::property_tree::ptree& data) const;
 	std::string parseMessage(const Message::Ptr& object) const;
 	PhotoSize::Ptr parseJsonAndGetPhotoSize(const boost::property_tree::ptree& data) const;
@@ -91,8 +88,6 @@ public:
 	std::string parseReplyKeyboardHide(const ReplyKeyboardHide::Ptr& object) const;
 	ForceReply::Ptr parseJsonAndGetForceReply(const boost::property_tree::ptree& data) const;
 	std::string parseForceReply(const ForceReply::Ptr& object) const;
-	GenericChat::Ptr parseJsonAndGetGenericChat(const boost::property_tree::ptree& data) const;
-	std::string parseGenericChat(const GenericChat::Ptr& object) const;
 	GenericReply::Ptr parseJsonAndGetGenericReply(const boost::property_tree::ptree& data) const;
 	std::string parseGenericReply(const GenericReply::Ptr& object) const;
 
diff --git a/include/tgbot/net/HttpParser.h b/include/tgbot/net/HttpParser.h
index 83068fb..ec4c077 100644
--- a/include/tgbot/net/HttpParser.h
+++ b/include/tgbot/net/HttpParser.h
@@ -25,6 +25,7 @@
 
 #include <string>
 #include <map>
+#include <vector>
 
 #include "tgbot/net/Url.h"
 #include "tgbot/net/HttpReqArg.h"
diff --git a/include/tgbot/net/HttpServer.h b/include/tgbot/net/HttpServer.h
index 888c0a8..164bd2b 100644
--- a/include/tgbot/net/HttpServer.h
+++ b/include/tgbot/net/HttpServer.h
@@ -80,7 +80,7 @@ protected:
 			data.reserve(10240);
 			socket->async_receive(data, [this]() {
 				std::map<std::string, std::string> headers;
-				std::string body = HttpParser::parseResponse(data, headers);
+				std::string body = HttpParser::getInstance().parseResponse(data, headers);
 				socket->async_send(_handler(body, headers));
 			});
 		}
diff --git a/include/tgbot/types/Chat.h b/include/tgbot/types/Chat.h
index d05155c..9a109e7 100644
--- a/include/tgbot/types/Chat.h
+++ b/include/tgbot/types/Chat.h
@@ -26,25 +26,33 @@
 #include <string>
 #include <memory>
 
-#include "tgbot/types/GenericChat.h"
-
 namespace TgBot {
 
 /**
  * This object represents a Telegram Chat
  * @ingroup types
  */
-class Chat : public GenericChat {
+class Chat {
 
 public:
     typedef std::shared_ptr<Chat> Ptr;
 
     /**
-     * Type of chat : can be either
-     * "private", "group", "supergroup,
-     * or "channel"
+     * Enum of possible types of a chat.
+     */
+    enum class Type {
+        Private, Group, Supergroup, Channel
+    };
+
+    /**
+     * Unique identifier for this chat, not exceeding 1e13 by absolute value
+     */
+	int64_t id;
+
+    /**
+     * Type of chat: can be either "private", "group", "supergroup, or "channel".
      */
-    std::string type;
+    Type type;
 
     /**
      * Optional. Title for channels and group chat
diff --git a/include/tgbot/types/GenericChat.h b/include/tgbot/types/GenericChat.h
deleted file mode 100644
index 2d91281..0000000
--- a/include/tgbot/types/GenericChat.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright (c) 2015 Oleg Morozenkov
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#ifndef TGBOT_CPP_GENERICCHAT_H
-#define TGBOT_CPP_GENERICCHAT_H
-
-#include <memory>
-
-namespace TgBot {
-
-/**
- * This abstract class is base of everything to which you can send a message.
- * @ingroup types
- */
-class GenericChat {
-
-public:
-	typedef std::shared_ptr<GenericChat> Ptr;
-
-	virtual ~GenericChat() { }
-
-	/**
-	 * Unique identifier for this user, bot	 or group chat
-	 */
-	int32_t id;
-};
-
-}
-
-#endif //TGBOT_CPP_GENERICCHAT_H
diff --git a/include/tgbot/types/GroupChat.h b/include/tgbot/types/GroupChat.h
deleted file mode 100644
index fedb7f0..0000000
--- a/include/tgbot/types/GroupChat.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright (c) 2015 Oleg Morozenkov
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#ifndef TGBOT_CPP_GROUPCHAT_H
-#define TGBOT_CPP_GROUPCHAT_H
-
-#include <string>
-#include <memory>
-
-#include "tgbot/types/GenericChat.h"
-
-namespace TgBot {
-
-/**
- * This object represents a group chat.
- * @ingroup types
- */
-class GroupChat : public GenericChat {
-
-public:
-	typedef std::shared_ptr<GroupChat> Ptr;
-
-	/**
-	 * Group name.
-	 */
-	std::string title;
-};
-
-}
-
-#endif //TGBOT_CPP_GROUPCHAT_H
diff --git a/include/tgbot/types/Message.h b/include/tgbot/types/Message.h
index 4185052..daedf03 100644
--- a/include/tgbot/types/Message.h
+++ b/include/tgbot/types/Message.h
@@ -29,7 +29,6 @@
 
 #include "tgbot/types/Chat.h"
 #include "tgbot/types/User.h"
-#include "tgbot/types/GenericChat.h"
 #include "tgbot/types/Message.h"
 #include "tgbot/types/Audio.h"
 #include "tgbot/types/Document.h"
@@ -56,7 +55,7 @@ public:
 	int32_t messageId;
 
 	/**
-	 * Sender.
+	 * Optional. Sender, can be empty for messages sent to channels.
 	 */
 	User::Ptr from;
 
@@ -66,9 +65,9 @@ public:
 	int32_t date;
 
 	/**
-	 * Chat.
+	 * Conversation the message belongs to.
 	 */
-    Chat::Ptr chat;
+	Chat::Ptr chat;
 
 	/**
 	 * Optional. For forwarded messages, sender of the original message.
diff --git a/include/tgbot/types/User.h b/include/tgbot/types/User.h
index 99c7d12..420d355 100644
--- a/include/tgbot/types/User.h
+++ b/include/tgbot/types/User.h
@@ -26,20 +26,23 @@
 #include <string>
 #include <memory>
 
-#include "tgbot/types/GenericChat.h"
-
 namespace TgBot {
 
 /**
  * This object represents a Telegram user or bot.
  * @ingroup types
  */
-class User : public GenericChat {
+class User  {
 
 public:
 	typedef std::shared_ptr<User> Ptr;
 
 	/**
+	 * Unique identifier for this user or bot.
+	 */
+	int32_t id;
+
+	/**
 	 * User‘s or bot’s first name.
 	 */
 	std::string firstName;
diff --git a/src/TgTypeParser.cpp b/src/TgTypeParser.cpp
index df80ca7..d84e2a1 100644
--- a/src/TgTypeParser.cpp
+++ b/src/TgTypeParser.cpp
@@ -35,7 +35,16 @@ TgTypeParser& TgTypeParser::getInstance() {
 Chat::Ptr TgTypeParser::parseJsonAndGetChat(const ptree& data) const {
 	Chat::Ptr result(new Chat);
 	result->id = data.get<int32_t>("id");
-	result->type = data.get<string>("type");
+	string type = data.get<string>("type");
+	if (type == "private") {
+		result->type = Chat::Type::Private;
+	} else if (type == "group") {
+		result->type = Chat::Type::Group;
+	} else if (type == "supergroup") {
+		result->type = Chat::Type::Supergroup;
+	} else if (type == "channel") {
+		result->type = Chat::Type::Channel;
+	}
 	result->title = data.get("title", "");
 	result->username = data.get("username", "");
 	result->firstName = data.get<string>("first_name");
@@ -51,7 +60,15 @@ string TgTypeParser::parseChat(const Chat::Ptr& object) const {
 	string result;
 	result += '{';
 	appendToJson(result, "id", object->id);
-	appendToJson(result, "type", object->type);
+	if (object->type == Chat::Type::Private) {
+		appendToJson(result, "type", "private");
+	} else if (object->type == Chat::Type::Group) {
+		appendToJson(result, "type", "group");
+	} else if (object->type == Chat::Type::Supergroup) {
+		appendToJson(result, "type", "supergroup");
+	} else if (object->type == Chat::Type::Channel) {
+		appendToJson(result, "type", "channel");
+	}
 	appendToJson(result, "title", object->title);
 	appendToJson(result, "username", object->username);
 	appendToJson(result, "first_name", object->firstName);
@@ -85,32 +102,12 @@ string TgTypeParser::parseUser(const User::Ptr& object) const {
 	return result;
 }
 
-GroupChat::Ptr TgTypeParser::parseJsonAndGetGroupChat(const ptree& data) const {
-	GroupChat::Ptr result(new GroupChat);
-	result->id = data.get<int32_t>("id");
-	result->title = data.get<string>("title");
-	return result;
-}
-
-string TgTypeParser::parseGroupChat(const GroupChat::Ptr& object) const {
-	if (!object) {
-		return "";
-	}
-	string result;
-	result += '{';
-	appendToJson(result, "id", object->id);
-	appendToJson(result, "title", object->title);
-	result.erase(result.length() - 1);
-	result += '}';
-	return result;
-}
-
 Message::Ptr TgTypeParser::parseJsonAndGetMessage(const ptree& data) const {
 	Message::Ptr result(new Message);
 	result->messageId = data.get<int32_t>("message_id");
-	result->from = parseJsonAndGetUser(data.find("from")->second);
+	result->from = tryParseJson<User>(&TgTypeParser::parseJsonAndGetUser, data, "from");
 	result->date = data.get<int32_t>("date");
-	result->chat = tryParseJson<Chat>(&TgTypeParser::parseJsonAndGetChat, data, "chat");
+	result->chat = parseJsonAndGetChat(data.find("chat")->second);
 	result->forwardFrom = tryParseJson<User>(&TgTypeParser::parseJsonAndGetUser, data, "forward_from");
 	result->forwardDate = data.get("forward_date", 0);
 	result->replyToMessage = tryParseJson<Message>(&TgTypeParser::parseJsonAndGetMessage, data, "reply_to_message");
@@ -459,25 +456,6 @@ std::string TgTypeParser::parseForceReply(const ForceReply::Ptr& object) const {
 	return result;
 }
 
-GenericChat::Ptr TgTypeParser::parseJsonAndGetGenericChat(const ptree& data) const {
-	if (data.find("first_name") == data.not_found()) {
-		return static_pointer_cast<GenericChat>(parseJsonAndGetGroupChat(data));
-	} else {
-		return static_pointer_cast<GenericChat>(parseJsonAndGetUser(data));
-	}
-}
-
-string TgTypeParser::parseGenericChat(const GenericChat::Ptr& object) const {
-	if (!object) {
-		return "";
-	}
-	if (dynamic_pointer_cast<User>(object) == nullptr) {
-		return parseGroupChat(static_pointer_cast<GroupChat>(object));
-	} else {
-		return parseUser(static_pointer_cast<User>(object));
-	}
-}
-
 GenericReply::Ptr TgTypeParser::parseJsonAndGetGenericReply(const boost::property_tree::ptree& data) const {
 	if (data.find("force_reply") != data.not_found()) {
 		return static_pointer_cast<GenericReply>(parseJsonAndGetForceReply(data));
diff --git a/test/tgbot/net/HttpParser.cpp b/test/tgbot/net/HttpParser.cpp
index 362a13f..236eb90 100644
--- a/test/tgbot/net/HttpParser.cpp
+++ b/test/tgbot/net/HttpParser.cpp
@@ -42,7 +42,7 @@ BOOST_AUTO_TEST_CASE(generateRequest) {
 		"Content-Length: 49\r\n"
 		"\r\n"
 		"email=test%40example.com&text=Hello%2c%20world%21";
-	BOOST_CHECK_MESSAGE(t == e, diff(t, e));
+	BOOST_CHECK_MESSAGE(t == e, diffS(t, e));
 }
 
 BOOST_AUTO_TEST_CASE(generateMultipartFormData) {
@@ -59,14 +59,14 @@ BOOST_AUTO_TEST_CASE(generateMultipartFormData) {
 		"Content-Type: text/plain\r\n"
 		"\r\n"
 		"Hello, world!\r\n";
-	BOOST_CHECK_MESSAGE(t == e, diff(t, e));
+	BOOST_CHECK_MESSAGE(t == e, diffS(t, e));
 }
 
 BOOST_AUTO_TEST_CASE(generateWwwFormUrlencoded) {
 	vector<HttpReqArg> args = { HttpReqArg("email", "test@example.com"), HttpReqArg("text", "Hello, world!") };
 	string t = HttpParser::getInstance().generateWwwFormUrlencoded(args);
 	string e = "email=test%40example.com&text=Hello%2c%20world%21";
-	BOOST_CHECK_MESSAGE(t == e, diff(t, e));
+	BOOST_CHECK_MESSAGE(t == e, diffS(t, e));
 }
 
 BOOST_AUTO_TEST_CASE(generateResponse) {
@@ -77,7 +77,7 @@ BOOST_AUTO_TEST_CASE(generateResponse) {
 		"Content-Length: 8\r\n"
 		"\r\n"
 		"testdata";
-	BOOST_CHECK_MESSAGE(t == e, diff(t, e));
+	BOOST_CHECK_MESSAGE(t == e, diffS(t, e));
 }
 
 BOOST_AUTO_TEST_CASE(parseRequest) {
@@ -103,7 +103,7 @@ BOOST_AUTO_TEST_CASE(parseRequest) {
 	};
 	string e = "testdata";
 
-	BOOST_CHECK_MESSAGE(t == e, diff(t, e));
+	BOOST_CHECK_MESSAGE(t == e, diffS(t, e));
 	BOOST_CHECK_MESSAGE(tHeaders == eHeaders, diff(tHeaders, eHeaders, [](const pair<const string, string>& item) -> string {
 		return item.first + '=' + item.second;
 	}));
@@ -127,7 +127,7 @@ BOOST_AUTO_TEST_CASE(parseResponse) {
 	};
 	string e = "testdata";
 
-	BOOST_CHECK_MESSAGE(t == e, diff(t, e));
+	BOOST_CHECK_MESSAGE(t == e, diffS(t, e));
 	BOOST_CHECK_MESSAGE(tHeaders == eHeaders, diff(tHeaders, eHeaders, [](const pair<const string, string>& item) -> string {
 		return item.first + '=' + item.second;
 	}));
diff --git a/test/tgbot/tools/StringTools.cpp b/test/tgbot/tools/StringTools.cpp
index 11f85af..86eb147 100644
--- a/test/tgbot/tools/StringTools.cpp
+++ b/test/tgbot/tools/StringTools.cpp
@@ -51,13 +51,13 @@ BOOST_AUTO_TEST_CASE(split) {
 BOOST_AUTO_TEST_CASE(urlEncode) {
 	string t = StringTools::urlEncode("`1234567890-qwertyuiop[]\\asdfghjkl;'zxcvbnm,./~!@#$%^&*()_+QWERTYUIOP{}|ASDFGHJKL:ZXCVBNM<>? ");
 	string e = "%601234567890-qwertyuiop%5b%5d%5casdfghjkl%3b%27zxcvbnm%2c.%2f~%21%40%23%24%25%5e%26%2a%28%29_%2bQWERTYUIOP%7b%7d%7cASDFGHJKL%3aZXCVBNM%3c%3e%3f%20";
-	BOOST_CHECK_MESSAGE(t == e, diff(t, e));
+	BOOST_CHECK_MESSAGE(t == e, diffS(t, e));
 }
 
 BOOST_AUTO_TEST_CASE(urlDecode) {
 	string t = StringTools::urlDecode("%601234567890-qwertyuiop%5b%5d%5casdfghjkl%3b%27zxcvbnm%2c.%2f~%21%40%23%24%25%5e%26%2a%28%29_%2bQWERTYUIOP%7b%7d%7cASDFGHJKL%3aZXCVBNM%3c%3e%3f%20");
 	string e = "`1234567890-qwertyuiop[]\\asdfghjkl;'zxcvbnm,./~!@#$%^&*()_+QWERTYUIOP{}|ASDFGHJKL:ZXCVBNM<>? ";
-	BOOST_CHECK_MESSAGE(t == e, diff(t, e));
+	BOOST_CHECK_MESSAGE(t == e, diffS(t, e));
 }
 
 BOOST_AUTO_TEST_SUITE_END()
diff --git a/test/utils.h b/test/utils.h
index 31f9e25..abd2f07 100644
--- a/test/utils.h
+++ b/test/utils.h
@@ -29,7 +29,7 @@
 
 #include <boost/lexical_cast.hpp>
 
-std::string diff(const std::string& test, const std::string& expected) {
+std::string diffS(const std::string& test, const std::string& expected) {
 	std::vector<std::string> v1, v2;
 	std::istringstream ss1(test);
 	std::istringstream ss2(expected);
@@ -45,9 +45,10 @@ std::string diff(const std::string& test, const std::string& expected) {
 			v2.push_back(s2);
 		}
 	} while (r1 || r2);
-	diff(v1, v2, [](const std::string& item) -> std::string {
-		return std::string(item);
-	});
+	return "";
+	//return diff(v1, v2, [](const std::string& item) {
+		//return item;
+	//});
 }
 
 template<typename T>