// // Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019 // // Distributed under the Boost Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) // #include "td/telegram/MessageEntity.h" #include "td/utils/common.h" #include "td/utils/format.h" #include "td/utils/logging.h" #include "td/utils/Slice.h" #include "td/utils/tests.h" #include "td/utils/utf8.h" #include REGISTER_TESTS(message_entities); static void check_mention(const td::string &str, const td::vector &expected) { auto result_slice = td::find_mentions(str); td::vector result; for (auto &it : result_slice) { result.push_back(it.str()); } if (result != expected) { LOG(FATAL) << td::tag("text", str) << td::tag("got", td::format::as_array(result)) << td::tag("expected", td::format::as_array(expected)); } } TEST(MessageEntities, mention) { check_mention("@mention", {"@mention"}); check_mention("@mention ", {"@mention"}); check_mention(" @mention", {"@mention"}); check_mention(" @mention ", {"@mention"}); check_mention("@abc @xyz @abc @xyz @xxx@yyy @ttt", {}); check_mention("@abcde @xyzxy @abcde @xyzxy @xxxxx@yyyyy @ttttt", {"@abcde", "@xyzxy", "@abcde", "@xyzxy", "@xxxxx", "@ttttt"}); check_mention("no@mention", {}); check_mention("@n", {}); check_mention("@abcdefghijklmnopqrstuvwxyz123456", {"@abcdefghijklmnopqrstuvwxyz123456"}); check_mention("@abcdefghijklmnopqrstuvwxyz1234567", {}); check_mention("нет@mention", {}); check_mention("@ya @gif @wiki @vid @bing @pic @bold @imdb @coub @like @vote @giff @cap ya cap @y @yar @bingg @bin", {"@gif", "@wiki", "@vid", "@bing", "@pic", "@bold", "@imdb", "@coub", "@like", "@vote", "@bingg"}); }; static void check_bot_command(const td::string &str, const td::vector &expected) { auto result_slice = td::find_bot_commands(str); td::vector result; for (auto &it : result_slice) { result.push_back(it.str()); } if (result != expected) { LOG(FATAL) << td::tag("text", str) << td::tag("got", td::format::as_array(result)) << td::tag("expected", td::format::as_array(expected)); } } TEST(MessageEntities, bot_command) { // 1..64@3..32 check_bot_command("/abc", {"/abc"}); check_bot_command(" /abc", {"/abc"}); check_bot_command("/abc ", {"/abc"}); check_bot_command(" /abc ", {"/abc"}); check_bot_command("/a@abc", {"/a@abc"}); check_bot_command("/a@b", {}); check_bot_command("/@bfdsa", {}); check_bot_command("/test/", {}); } static void check_hashtag(const td::string &str, const td::vector &expected) { auto result_slice = td::find_hashtags(str); td::vector result; for (auto &it : result_slice) { result.push_back(it.str()); } if (result != expected) { LOG(FATAL) << td::tag("text", str) << td::tag("got", td::format::as_array(result)) << td::tag("expected", td::format::as_array(expected)); } } TEST(MessageEntities, hashtag) { check_hashtag("", {}); check_hashtag("#", {}); check_hashtag("##", {}); check_hashtag("###", {}); check_hashtag("#a", {"#a"}); check_hashtag(" #a", {"#a"}); check_hashtag("#a ", {"#a"}); check_hashtag(" #я ", {"#я"}); check_hashtag(" я#a ", {}); check_hashtag(" #a# ", {}); check_hashtag(" #123 ", {}); check_hashtag(" #123a ", {"#123a"}); check_hashtag(" #a123 ", {"#a123"}); check_hashtag(" #123a# ", {}); check_hashtag(" #" + td::string(300, '1'), {}); check_hashtag(" #" + td::string(256, '1'), {}); check_hashtag(" #" + td::string(256, '1') + "a ", {}); check_hashtag(" #" + td::string(255, '1') + "a", {"#" + td::string(255, '1') + "a"}); check_hashtag(" #" + td::string(255, '1') + "Я", {"#" + td::string(255, '1') + "Я"}); check_hashtag(" #" + td::string(255, '1') + "a" + td::string(255, 'b') + "# ", {}); check_hashtag("#a#b #c #d", {"#c", "#d"}); check_hashtag("#test", {"#test"}); check_hashtag(u8"\U0001F604\U0001F604\U0001F604\U0001F604 \U0001F604\U0001F604\U0001F604#" + td::string(200, '1') + "ООО" + td::string(200, '2'), {"#" + td::string(200, '1') + "ООО" + td::string(53, '2')}); check_hashtag(u8"#a\u2122", {"#a"}); } static void check_cashtag(const td::string &str, const td::vector &expected) { auto result_slice = td::find_cashtags(str); td::vector result; for (auto &it : result_slice) { result.push_back(it.str()); } if (result != expected) { LOG(FATAL) << td::tag("text", str) << td::tag("got", td::format::as_array(result)) << td::tag("expected", td::format::as_array(expected)); } } TEST(MessageEntities, cashtag) { check_cashtag("", {}); check_cashtag("$", {}); check_cashtag("$$", {}); check_cashtag("$$$", {}); check_cashtag("$a", {}); check_cashtag(" $a", {}); check_cashtag("$a ", {}); check_cashtag(" $я ", {}); check_cashtag("$ab", {}); check_cashtag("$abc", {}); check_cashtag("$", {}); check_cashtag("$A", {}); check_cashtag("$AB", {}); check_cashtag("$АBC", {}); check_cashtag("$АВС", {}); check_cashtag("$ABC", {"$ABC"}); check_cashtag("$ABCD", {"$ABCD"}); check_cashtag("$ABCDE", {"$ABCDE"}); check_cashtag("$ABCDEF", {"$ABCDEF"}); check_cashtag("$ABCDEFG", {"$ABCDEFG"}); check_cashtag("$ABCDEFGH", {"$ABCDEFGH"}); check_cashtag("$ABCDEFGHJ", {}); check_cashtag("$ABCDEFGH1", {}); check_cashtag(" $XYZ", {"$XYZ"}); check_cashtag("$XYZ ", {"$XYZ"}); check_cashtag(" $XYZ ", {"$XYZ"}); check_cashtag(" $$XYZ ", {}); check_cashtag(" $XYZ$ ", {}); check_cashtag(" $ABC1 ", {}); check_cashtag(" $1ABC ", {}); check_cashtag(" 1$ABC ", {}); check_cashtag(" А$ABC ", {}); check_cashtag("$ABC$DEF $GHI $KLM", {"$GHI", "$KLM"}); check_cashtag("$TEST", {"$TEST"}); check_cashtag(u8"$ABC\u2122", {"$ABC"}); check_cashtag(u8"\u2122$ABC", {"$ABC"}); check_cashtag(u8"\u2122$ABC\u2122", {"$ABC"}); } static void check_is_email_address(const td::string &str, bool expected) { bool result = td::is_email_address(str); LOG_IF(FATAL, result != expected) << "Expected " << expected << " as result of is_email_address(" << str << ")"; } TEST(MessageEntities, is_email_address) { check_is_email_address("telegram.org", false); check_is_email_address("security@telegram.org", true); check_is_email_address("security.telegram.org", false); check_is_email_address("", false); check_is_email_address("@", false); check_is_email_address("A@a.a.a.ab", true); check_is_email_address("A@a.ab", true); check_is_email_address("Test@aa.aa.aa.aa", true); check_is_email_address("Test@test.abd", true); check_is_email_address("a@a.a.a.ab", true); check_is_email_address("test@test.abd", true); check_is_email_address("test@test.com", true); check_is_email_address("test.abd", false); check_is_email_address("a.ab", false); check_is_email_address("a.bc@d.ef", true); td::vector bad_userdatas = {"", "a.a.a.a.a.a.a.a.a.a.a.a", "+.+.+.+.+.+", "*.a.a", "a.*.a", "a.a.*", "a.a.", "a.a.abcdefghijklmnopqrstuvwxyz0123456789", "a.abcdefghijklmnopqrstuvwxyz0.a", "abcdefghijklmnopqrstuvwxyz0.a.a"}; td::vector good_userdatas = {"a.a.a.a.a.a.a.a.a.a.a", "a+a+a+a+a+a+a+a+a+a+a", "+.+.+.+.+._", "aozAQZ0-5-9_+-aozAQZ0-5-9_.aozAQZ0-5-9_.-._.+-", "a.a.a", "a.a.abcdefghijklmnopqrstuvwxyz012345678", "a.abcdefghijklmnopqrstuvwxyz.a", "a..a", "abcdefghijklmnopqrstuvwxyz.a.a", ".a.a"}; td::vector bad_domains = {"", ".", "abc", "localhost", "a.a.a.a.a.a.a.ab", ".......", "a.a.a.a.a.a+ab", "a+a.a.a.a.a.ab", "a.a.a.a.a.a.a", "a.a.a.a.a.a.abcdefg", "a.a.a.a.a.a.ab0yz", "a.a.a.a.a.a.ab9yz", "a.a.a.a.a.a.ab-yz", "a.a.a.a.a.a.ab_yz", "a.a.a.a.a.a.ab*yz", ".ab", ".a.ab", "a..ab", "a.a.a..a.ab", ".a.a.a.a.ab", "abcdefghijklmnopqrstuvwxyz01234.ab", "ab0cd.abd.aA*sd.0.9.0-9.ABOYZ", "ab*cd.abd.aAasd.0.9.0-9.ABOYZ", "ab0cd.abd.aAasd.0.9.0*9.ABOYZ", "*b0cd.ab_d.aA-sd.0.9.0-9.ABOYZ", "ab0c*.ab_d.aA-sd.0.9.0-9.ABOYZ", "ab0cd.ab_d.aA-sd.0.9.0-*.ABOYZ", "ab0cd.ab_d.aA-sd.0.9.*-9.ABOYZ", "-b0cd.ab_d.aA-sd.0.9.0-9.ABOYZ", "ab0c-.ab_d.aA-sd.0.9.0-9.ABOYZ", "ab0cd.ab_d.aA-sd.-.9.0-9.ABOYZ", "ab0cd.ab_d.aA-sd.0.9.--9.ABOYZ", "ab0cd.ab_d.aA-sd.0.9.0--.ABOYZ", "_b0cd.ab_d.aA-sd.0.9.0-9.ABOYZ", "ab0c_.ab_d.aA-sd.0.9.0-9.ABOYZ", "ab0cd.ab_d.aA-sd._.9.0-9.ABOYZ", "ab0cd.ab_d.aA-sd.0.9._-9.ABOYZ", "ab0cd.ab_d.aA-sd.0.9.0-_.ABOYZ", "-.ab_d.aA-sd.0.9.0-9.ABOYZ", "ab0cd.ab_d.-.0.9.0-9.ABOYZ", "ab0cd.ab_d.aA-sd.0.9.-.ABOYZ", "_.ab_d.aA-sd.0.9.0-9.ABOYZ", "ab0cd.ab_d._.0.9.0-9.ABOYZ", "ab0cd.ab_d.aA-sd.0.9._.ABOYZ"}; td::vector good_domains = {"a.a.a.a.a.a.ab", "a.a.a.a.a.a.abcdef", "a.a.a.a.a.a.aboyz", "a.a.a.a.a.a.ABOYZ", "a.a.a.a.a.a.AbOyZ", "abcdefghijklmnopqrstuvwxyz0123.ab", "ab0cd.ab_d.aA-sd.0.9.0-9.ABOYZ", "A.Z.aA-sd.a.z.0-9.ABOYZ"}; for (auto &userdata : bad_userdatas) { for (auto &domain : bad_domains) { check_is_email_address(userdata + '@' + domain, false); check_is_email_address(userdata + domain, false); } for (auto &domain : good_domains) { check_is_email_address(userdata + '@' + domain, false); check_is_email_address(userdata + domain, false); } } for (auto &userdata : good_userdatas) { for (auto &domain : bad_domains) { check_is_email_address(userdata + '@' + domain, false); check_is_email_address(userdata + domain, false); } for (auto &domain : good_domains) { check_is_email_address(userdata + '@' + domain, true); check_is_email_address(userdata + domain, false); } } } static void check_url(const td::string &str, const td::vector &expected_urls, td::vector expected_email_addresses = {}) { auto result_slice = td::find_urls(str); td::vector result_urls; td::vector result_email_addresses; for (auto &it : result_slice) { if (!it.second) { result_urls.push_back(it.first.str()); } else { result_email_addresses.push_back(it.first.str()); } } if (result_urls != expected_urls) { LOG(FATAL) << td::tag("text", str) << td::tag("got", td::format::as_array(result_urls)) << td::tag("expected", td::format::as_array(expected_urls)); } if (result_email_addresses != expected_email_addresses) { LOG(FATAL) << td::tag("text", str) << td::tag("got", td::format::as_array(result_email_addresses)) << td::tag("expected", td::format::as_array(expected_email_addresses)); } } TEST(MessageEntities, url) { check_url("telegram.org", {"telegram.org"}); check_url("(telegram.org)", {"telegram.org"}); check_url("\ntelegram.org)", {"telegram.org"}); check_url(" telegram.org)", {"telegram.org"}); check_url(".telegram.org)", {}); check_url("()telegram.org/?q=()", {"telegram.org/?q=()"}); check_url("\"telegram.org\"", {"telegram.org"}); check_url(" telegram. org. www. com... telegram.org... ...google.com...", {"telegram.org"}); check_url(" telegram.org ", {"telegram.org"}); check_url("Такой сайт: http://www.google.com или такой telegram.org ", {"http://www.google.com", "telegram.org"}); check_url(" telegram.org. ", {"telegram.org"}); check_url("http://google,.com", {}); check_url("http://telegram.org/?asd=123#123.", {"http://telegram.org/?asd=123#123"}); check_url("[http://google.com](test)", {"http://google.com"}); check_url("", {}); check_url(".", {}); check_url("http://@google.com", {}); check_url("http://@goog.com", {}); // TODO: server fix check_url("http://@@google.com", {"http://@@google.com"}); check_url("http://a@google.com", {"http://a@google.com"}); check_url("http://test@google.com", {"http://test@google.com"}); check_url("google.com:᪉᪉᪉᪉᪉", {"google.com"}); check_url("https://telegram.org", {"https://telegram.org"}); check_url("http://telegram.org", {"http://telegram.org"}); check_url("ftp://telegram.org", {"ftp://telegram.org"}); check_url("ftps://telegram.org", {}); check_url("sftp://telegram.org", {"sftp://telegram.org"}); check_url("hTtPs://telegram.org", {"hTtPs://telegram.org"}); check_url("HTTP://telegram.org", {"HTTP://telegram.org"}); check_url("аHTTP://telegram.org", {"HTTP://telegram.org"}); check_url("sHTTP://telegram.org", {}); check_url("://telegram.org", {}); check_url("google.com:᪀᪀", {"google.com"}); check_url( "http://" "abcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkab" "cdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcd" "efghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdef" "ghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefgh" "ijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghij" "kabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijka" "bcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabc" "defghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijkabcdefghijk.com", {}); check_url("http://  .com", {}); check_url("URL:     .com", {}); check_url("URL: .com", {}); check_url(".com", {}); check_url("http://  .", {}); check_url("http://.", {}); check_url("http://.com", {}); check_url("http:// .", {}); check_url(",ahttp://google.com", {"http://google.com"}); check_url(".ahttp://google.com", {}); check_url("http://1.0", {}); check_url("http://a.0", {}); check_url("http://a.a", {}); check_url("google.com:1#ab c", {"google.com:1#ab"}); check_url("google.com:1#", {"google.com:1"}); check_url("google.com:1#1", {"google.com:1#1"}); check_url("google.com:00000001/abs", {"google.com:00000001/abs"}); check_url("google.com:000000065535/abs", {"google.com:000000065535/abs"}); check_url("google.com:000000065536/abs", {"google.com"}); check_url("google.com:000000080/abs", {"google.com:000000080/abs"}); check_url("google.com:0000000/abs", {"google.com"}); check_url("google.com:0/abs", {"google.com"}); check_url("google.com:/abs", {"google.com"}); check_url("google.com:65535", {"google.com:65535"}); check_url("google.com:65536", {"google.com"}); check_url("google.com:99999", {"google.com"}); check_url("google.com:100000", {"google.com"}); check_url("127.001", {}); check_url("127.0.0.1", {"127.0.0.1"}); check_url("127.0.0.01", {}); check_url("127.0.0.256", {}); check_url("127.0.0.300", {}); check_url("127.0.0.1000", {}); check_url("127.0.0.260", {}); check_url("1.0", {}); check_url("www.🤙.tk", {"www.🤙.tk"}); check_url("a.ab", {}); check_url("test.abd", {}); check_url("ТеСт.Москва", {}); check_url("ТеСт.МоСкВΑ", {}); check_url("ТеСт.МоСкВа", {"ТеСт.МоСкВа"}); check_url("ТеСт.МоСкВач", {}); check_url("http://ÀТеСт.МоСкВач", {"http://ÀТеСт.МоСкВач"}); check_url("ÀÁ.com. ÀÁ.com.", {"ÀÁ.com", "ÀÁ.com"}); check_url("ÀÁ.com,ÀÁ.com.", {"ÀÁ.com", "ÀÁ.com"}); check_url("teiegram.org", {}); check_url("http://test.google.com/?q=abc()}[]def", {"http://test.google.com/?q=abc()"}); check_url("http://test.google.com/?q=abc([{)]}def", {"http://test.google.com/?q=abc([{)]}def"}); check_url("http://test.google.com/?q=abc(){}]def", {"http://test.google.com/?q=abc(){}"}); check_url("http://test.google.com/?q=abc){}[]def", {"http://test.google.com/?q=abc"}); check_url("http://test.google.com/?q=abc(){}[]def", {"http://test.google.com/?q=abc(){}[]def"}); check_url("http://test-.google.com", {}); check_url("http://test_.google.com", {"http://test_.google.com"}); check_url("http://google_.com", {}); check_url("http://google._com_", {}); check_url("http://[2001:4860:0:2001::68]/", {}); // TODO check_url("test.abd", {}); check_url("/.b/..a @.....@/. a.ba", {"a.ba"}); check_url("bbbbbbbbbbbbbb.@.@", {}); check_url("http://google.com/", {"http://google.com/"}); check_url("http://google.com?", {"http://google.com"}); check_url("http://google.com#", {"http://google.com"}); check_url("http://google.com##", {"http://google.com##"}); check_url("http://google.com/?", {"http://google.com/"}); check_url("https://www.google.com/ab,", {"https://www.google.com/ab"}); check_url("@.", {}); check_url( "a.b.google.com dfsknnfs gsdfgsg http://códuia.de/ dffdg,\" 12)(cpia.de/())(\" http://гришка.рф/ sdufhdf " "http://xn--80afpi2a3c.xn--p1ai/ I have a good time.Thanks, guys!\n\n(hdfughidufhgdis)go#ogle.com гришка.рф " "hsighsdf gi почта.рф\n\n✪df.ws/123 " "xn--80afpi2a3c.xn--p1ai\n\nhttp://foo.com/blah_blah\nhttp://foo.com/blah_blah/\n(Something like " "http://foo.com/blah_blah)\nhttp://foo.com/blah_blah_(wikipedi8989a_Вася)\n(Something like " "http://foo.com/blah_blah_(Стакан_007))\nhttp://foo.com/blah_blah.\nhttp://foo.com/blah_blah/.\n\n\nhttp://foo.com/blah_blah,\nhttp://" "www.example.com/wpstyle/?p=364.\nhttp://✪df.ws/123\nrdar://1234\nrdar:/1234\nhttp://" "userid:password@example.com:8080\nhttp://userid@example.com\nhttp://userid@example.com:8080\nhttp://" "userid:password@example.com\nhttp://example.com:8080 " "x-yojimbo-item://6303E4C1-xxxx-45A6-AB9D-3A908F59AE0E\nmessage://" "%3c330e7f8409726r6a4ba78dkf1fd71420c1bf6ff@mail.gmail.com%3e\nhttp://➡️.ws/䨹\nwww.➡️.ws/" "䨹\nhttp://example.com\nJust a www.example.com " "link.\n\n➡️.ws/" "䨹\n\nabcdefghijklmnopqrstuvwxyz0123456789qwe_sdfsdf.aweawe-sdfs.com\nwww.🤙.tk:1\ngoogle.com:" "᪉᪉᪉᪉\ngoogle." "com:᪀᪀\nhttp://  .com\nURL:     .com\nURL: " ".com\n\ngoogle.com?qwe\ngoogle.com#qwe\ngoogle.com/?\ngoogle.com/#\ngoogle.com?\ngoogle.com#\n", {"a.b.google.com", "http://códuia.de/", "cpia.de/()", "http://гришка.рф/", "http://xn--80afpi2a3c.xn--p1ai/", "гришка.рф", "почта.рф", "✪df.ws/123", "xn--80afpi2a3c.xn--p1ai", "http://foo.com/blah_blah", "http://foo.com/blah_blah/", "http://foo.com/blah_blah", "http://foo.com/blah_blah_(wikipedi8989a_Вася)", "http://foo.com/blah_blah_(Стакан_007)", "http://foo.com/blah_blah", "http://foo.com/blah_blah/", "http://foo.com/blah_blah", "http://foo.com/blah_blah", "http://www.example.com/wpstyle/?p=364", "http://✪df.ws/123", "http://userid:password@example.com:8080", "http://userid@example.com", "http://userid@example.com:8080", "http://userid:password@example.com", "http://example.com:8080", "http://➡️.ws/䨹", "www.➡️.ws/䨹", "http://example.com", "www.example.com", "➡️.ws/䨹", "abcdefghijklmnopqrstuvwxyz0123456789qwe_sdfsdf.aweawe-sdfs.com", "www.🤙.tk:1", "google.com", "google.com", "google.com?qwe", "google.com#qwe", "google.com/", "google.com/#", "google.com", "google.com"}); check_url("https://t.…", {}); check_url("('http://telegram.org/a-b/?br=ie&lang=en',)", {"http://telegram.org/a-b/?br=ie&lang=en"}); check_url("https://ai.telegram.org/bot%20bot/test-...", {"https://ai.telegram.org/bot%20bot/test-"}); check_url("a.bc@c.com", {}, {"a.bc@c.com"}); check_url("https://a.bc@c.com", {"https://a.bc@c.com"}); check_url("https://a.de[bc@c.com", {"https://a.de"}, {"bc@c.com"}); check_url("https://a.de/bc@c.com", {"https://a.de/bc@c.com"}); check_url("https://a.de]bc@c.com", {"https://a.de"}, {"bc@c.com"}); check_url("https://a.de{bc@c.com", {"https://a.de"}, {"bc@c.com"}); check_url("https://a.de}bc@c.com", {"https://a.de"}, {"bc@c.com"}); check_url("https://a.de(bc@c.com", {"https://a.de"}, {"bc@c.com"}); check_url("https://a.de)bc@c.com", {"https://a.de"}, {"bc@c.com"}); check_url("https://a.de\\bc@c.com", {"https://a.de\\bc@c.com"}); check_url("https://a.de'bc@c.com", {"https://a.de"}, {"bc@c.com"}); check_url("https://a.de`bc@c.com", {"https://a.de"}, {"bc@c.com"}); check_url("https://a.bc:de.fg@c.com", {"https://a.bc:de.fg@c.com"}); check_url("https://a:h.bc:de.fg@c.com", {"https://a:h.bc:de.fg@c.com"}); check_url("https://abc@c.com", {"https://abc@c.com"}); check_url("https://de[bc@c.com", {}, {"bc@c.com"}); check_url("https://de/bc@c.com", {}); check_url("https://de]bc@c.com", {}, {"bc@c.com"}); check_url("https://de{bc@c.com", {}, {"bc@c.com"}); check_url("https://de}bc@c.com", {}, {"bc@c.com"}); check_url("https://de(bc@c.com", {}, {"bc@c.com"}); check_url("https://de)bc@c.com", {}, {"bc@c.com"}); check_url("https://de\\bc@c.com", {"https://de\\bc@c.com"}); check_url("https://de'bc@c.com", {}, {"bc@c.com"}); check_url("https://de`bc@c.com", {}, {"bc@c.com"}); check_url("https://bc:defg@c.com", {"https://bc:defg@c.com"}); check_url("https://a:hbc:defg@c.com", {"https://a:hbc:defg@c.com"}); check_url("https://a.bc@test.com:cd.com", {"https://a.bc@test.com", "cd.com"}); check_url("telegram.Org", {}); check_url("telegram.ORG", {"telegram.ORG"}); check_url("a.b.c.com.a.b.c", {}); check_url("File '/usr/views.py'", {}); // TODO server fix check_url("@views.py'", {}); // TODO server fix check_url("#views.py'", {}); // TODO server fix check_url("/views.py'", {}); // TODO server fix check_url(".views.py", {}); check_url("'views.py'", {"views.py"}); check_url("bug.http://test.com/test/+#", {}); // TODO {"http://test.com/test/+#"} check_url("//AB.C.D.E.F.GH//", {}); check_url("", {"http://www.ics.uci.edu/pub/ietf/uri/historical.html#WARNING"}); check_url("Look :test@example.com", {":test@example.com"}, {}); // TODO {}, {"test@example.com"} check_url("Look mailto:test@example.com", {}, {"test@example.com"}); check_url("http://test.com#a", {"http://test.com#a"}); check_url("http://test.com#", {"http://test.com"}); check_url("http://test.com?#", {"http://test.com?#"}); check_url("http://test.com/?#", {"http://test.com/?#"}); check_url("https://t.me/abcdef…", {"https://t.me/abcdef"}); check_url("https://t.me…", {"https://t.me"}); check_url("https://t.m…", {}); check_url("https://t.…", {}); check_url("https://t…", {}); check_url("👉http://ab.com/cdefgh-1IJ", {"http://ab.com/cdefgh-1IJ"}); check_url("...👉http://ab.com/cdefgh-1IJ", {}); // TODO } static void check_fix_formatted_text(td::string str, td::vector entities, const td::string &expected_str, const td::vector &expected_entities, bool allow_empty, bool skip_new_entities, bool skip_bot_commands, bool for_draft) { ASSERT_TRUE( td::fix_formatted_text(str, entities, allow_empty, skip_new_entities, skip_bot_commands, for_draft).is_ok()); ASSERT_STREQ(expected_str, str); ASSERT_EQ(expected_entities, entities); } static void check_fix_formatted_text(td::string str, td::vector entities, bool allow_empty, bool skip_new_entities, bool skip_bot_commands, bool for_draft) { ASSERT_TRUE( fix_formatted_text(str, entities, allow_empty, skip_new_entities, skip_bot_commands, for_draft).is_error()); } TEST(MessageEntities, fix_formatted_text) { td::string str; td::string fixed_str; for (auto i = 0; i <= 32; i++) { str += static_cast(i); if (i != 13) { if (i != 10) { fixed_str += ' '; } else { fixed_str += str.back(); } } } check_fix_formatted_text(str, {}, "", {}, true, true, true, true); check_fix_formatted_text(str, {}, "", {}, true, true, false, true); check_fix_formatted_text(str, {}, "", {}, true, false, true, true); check_fix_formatted_text(str, {}, "", {}, true, false, false, true); check_fix_formatted_text(str, {}, "", {}, true, false, false, false); check_fix_formatted_text(str, {}, false, false, false, false); check_fix_formatted_text(str, {}, false, false, false, true); str += "a \r\n "; fixed_str += "a \n "; for (td::int32 i = 33; i <= 35; i++) { td::vector entities; entities.emplace_back(td::MessageEntity::Type::Bold, 0, i); td::vector fixed_entities; if (i != 33) { fixed_entities = entities; fixed_entities.back().length = i - 1; } check_fix_formatted_text(str, entities, fixed_str, fixed_entities, true, false, false, true); td::string expected_str; if (i != 33) { fixed_entities = entities; fixed_entities.back().length = 33; expected_str = fixed_str.substr(0, 33); } else { fixed_entities.clear(); expected_str = "a"; } check_fix_formatted_text(str, entities, expected_str, fixed_entities, false, false, false, false); } str = "👉 👉 "; for (int i = 0; i < 10; i++) { td::vector entities; entities.emplace_back(td::MessageEntity::Type::Bold, i, 1); if (i != 2 && i != 5 && i != 6) { check_fix_formatted_text(str, entities, true, true, true, true); check_fix_formatted_text(str, entities, false, false, false, false); } else { check_fix_formatted_text(str, entities, str, {}, true, true, true, true); check_fix_formatted_text(str, entities, str.substr(0, str.size() - 2), {}, false, false, false, false); } } str = " /test @abaca #ORD $ABC telegram.org "; for (auto for_draft : {false, true}) { td::int32 shift = for_draft ? 2 : 0; td::string expected_str = for_draft ? str : str.substr(2, str.size() - 3); for (auto skip_new_entities : {false, true}) { for (auto skip_bot_commands : {false, true}) { td::vector entities; if (!skip_new_entities) { if (!skip_bot_commands) { entities.emplace_back(td::MessageEntity::Type::BotCommand, shift, 5); } entities.emplace_back(td::MessageEntity::Type::Mention, shift + 6, 6); entities.emplace_back(td::MessageEntity::Type::Hashtag, shift + 13, 4); entities.emplace_back(td::MessageEntity::Type::Cashtag, shift + 18, 4); entities.emplace_back(td::MessageEntity::Type::Url, shift + 24, 12); } check_fix_formatted_text(str, {}, expected_str, entities, true, skip_new_entities, skip_bot_commands, for_draft); check_fix_formatted_text(str, {}, expected_str, entities, false, skip_new_entities, skip_bot_commands, for_draft); } } } str = "aba \r\n caba "; for (td::int32 length = 1; length <= 3; length++) { for (td::int32 offset = 0; static_cast(offset + length) <= str.size(); offset++) { for (auto type : {td::MessageEntity::Type::Bold, td::MessageEntity::Type::Url, td::MessageEntity::Type::TextUrl, td::MessageEntity::Type::MentionName}) { for (auto for_draft : {false, true}) { fixed_str = for_draft ? "aba \n caba " : "aba \n caba"; auto fixed_length = offset <= 4 && offset + length >= 5 ? length - 1 : length; auto fixed_offset = offset >= 5 ? offset - 1 : offset; if (static_cast(fixed_offset) >= fixed_str.size()) { fixed_length = 0; } while (static_cast(fixed_offset + fixed_length) > fixed_str.size()) { fixed_length--; } td::vector entities; entities.emplace_back(type, offset, length); td::vector fixed_entities; if (fixed_length > 0) { for (auto i = 0; i < length; i++) { if (str[offset + i] != '\r' && str[offset + i] != '\n' && (str[offset + i] != ' ' || type == td::MessageEntity::Type::TextUrl || type == td::MessageEntity::Type::MentionName)) { fixed_entities.emplace_back(type, fixed_offset, fixed_length); break; } } } check_fix_formatted_text(str, entities, fixed_str, fixed_entities, true, false, false, for_draft); } } } } str = "aba caba"; for (td::int32 length = -10; length <= 10; length++) { for (td::int32 offset = -10; offset <= 10; offset++) { td::vector entities; entities.emplace_back(td::MessageEntity::Type::Bold, offset, length); td::vector fixed_entities; if (length > 0 && offset >= 0 && static_cast(length + offset) > str.size()) { check_fix_formatted_text(str, entities, true, false, false, false); check_fix_formatted_text(str, entities, false, false, false, true); continue; } if (length > 0 && offset >= 0 && (length >= 2 || offset != 3)) { fixed_entities.emplace_back(td::MessageEntity::Type::Bold, offset, length); } check_fix_formatted_text(str, entities, str, fixed_entities, true, false, false, false); check_fix_formatted_text(str, entities, str, fixed_entities, false, false, false, true); } } str = "aba caba"; for (td::int32 length = 1; length <= 7; length++) { for (td::int32 offset = 0; offset <= 8 - length; offset++) { for (td::int32 length2 = 1; length2 <= 7; length2++) { for (td::int32 offset2 = 0; offset2 <= 8 - length2; offset2++) { if (offset != offset2) { td::vector entities; entities.emplace_back(td::MessageEntity::Type::TextUrl, offset, length); entities.emplace_back(td::MessageEntity::Type::TextUrl, offset2, length2); td::vector fixed_entities = entities; std::sort(fixed_entities.begin(), fixed_entities.end()); if (fixed_entities[0].offset + fixed_entities[0].length > fixed_entities[1].offset) { fixed_entities.pop_back(); } check_fix_formatted_text(str, entities, str, fixed_entities, false, false, false, false); } } } } } for (auto text : {" \n ➡️ ➡️ ➡️ ➡️ \n ", "\n\n\nab cd ef gh "}) { str = text; td::vector entities; td::vector fixed_entities; auto length = td::narrow_cast(td::utf8_utf16_length(str)); for (int i = 0; i < 10; i++) { if ((i + 1) * 3 + 2 <= length) { entities.emplace_back(td::MessageEntity::Type::Bold, (i + 1) * 3, 2); } if ((i + 2) * 3 <= length) { entities.emplace_back(td::MessageEntity::Type::Italic, (i + 1) * 3 + 2, 1); } if (i < 4) { fixed_entities.emplace_back(td::MessageEntity::Type::Bold, i * 3, 2); } } check_fix_formatted_text(str, entities, td::utf8_utf16_substr(str, 3, 11), fixed_entities, false, false, false, false); } } static void check_parse_html(td::string text, const td::string &result, const td::vector &entities) { auto r_entities = td::parse_html(text); ASSERT_TRUE(r_entities.is_ok()); ASSERT_EQ(entities, r_entities.ok()); ASSERT_STREQ(result, text); } static void check_parse_html(td::string text, td::Slice error_message) { auto r_entities = td::parse_html(text); ASSERT_TRUE(r_entities.is_error()); ASSERT_EQ(400, r_entities.error().code()); ASSERT_STREQ(error_message, r_entities.error().message()); } TEST(MessageEntities, parse_html) { td::string invalid_surrogate_pair_error_message = "Text contains invalid Unicode characters after decoding HTML entities, check for unmatched surrogate code units"; check_parse_html("�", invalid_surrogate_pair_error_message); check_parse_html("�", invalid_surrogate_pair_error_message); check_parse_html("�", invalid_surrogate_pair_error_message); check_parse_html("🏟 🏟<", "Unsupported start tag \"abac\" at byte offset 13"); check_parse_html("🏟 🏟<", "Unsupported start tag \"abac\" at byte offset 13"); check_parse_html("🏟 🏟<", "Empty attribute name in the tag \"i\" at byte offset 13"); check_parse_html("🏟 🏟<", "Expected equal sign in declaration of an attribute of the tag \"i\" at byte offset 13"); check_parse_html("🏟 🏟<", "Unclosed start tag at byte offset 13"); check_parse_html("🏟 🏟<", "Unclosed start tag at byte offset 13"); check_parse_html("🏟 🏟<aa", "Unmatched end tag at byte offset 17, expected \"\", found \"\""); check_parse_html("", "", {}); check_parse_html("➡️ ➡️", "➡️ ➡️", {}); check_parse_html("<>&"«»�", "<>&\"«»�", {}); check_parse_html("➡️ ➡️➡️ ➡️", "➡️ ➡️➡️ ➡️", {{td::MessageEntity::Type::Italic, 5, 5}}); check_parse_html("➡️ ➡️➡️ ➡️", "➡️ ➡️➡️ ➡️", {{td::MessageEntity::Type::Italic, 5, 5}}); check_parse_html("➡️ ➡️➡️ ➡️", "➡️ ➡️➡️ ➡️", {{td::MessageEntity::Type::Bold, 5, 5}}); check_parse_html("➡️ ➡️➡️ ➡️", "➡️ ➡️➡️ ➡️", {{td::MessageEntity::Type::Bold, 5, 5}}); check_parse_html("➡️ ➡️➡️ ➡️", "➡️ ➡️➡️ ➡️", {{td::MessageEntity::Type::Underline, 5, 5}}); check_parse_html("➡️ ➡️➡️ ➡️", "➡️ ➡️➡️ ➡️", {{td::MessageEntity::Type::Underline, 5, 5}}); check_parse_html("➡️ ➡️➡️ ➡️", "➡️ ➡️➡️ ➡️", {{td::MessageEntity::Type::Strikethrough, 5, 5}}); check_parse_html("➡️ ➡️➡️ ➡️", "➡️ ➡️➡️ ➡️", {{td::MessageEntity::Type::Strikethrough, 5, 5}}); check_parse_html("➡️ ➡️➡️ ➡️", "➡️ ➡️➡️ ➡️", {{td::MessageEntity::Type::Strikethrough, 5, 5}}); check_parse_html("➡️ ➡️➡️ ➡️➡️ ➡️", "➡️ ➡️➡️ ➡️➡️ ➡️", {{td::MessageEntity::Type::Italic, 5, 5}, {td::MessageEntity::Type::Bold, 10, 5}}); check_parse_html("🏟 🏟🏟 <🏟", "🏟 🏟🏟 <🏟", {{td::MessageEntity::Type::Italic, 5, 6}}); check_parse_html("🏟 🏟🏟 ><🏟", "🏟 🏟🏟 ><🏟", {{td::MessageEntity::Type::Italic, 5, 7}, {td::MessageEntity::Type::Bold, 9, 3}}); check_parse_html("🏟 🏟<a", "🏟 🏟a", "🏟 🏟a", "🏟 🏟a", "🏟 🏟a", "🏟 🏟🏟 🏟<", "🏟 🏟<🏟 🏟<", {{td::MessageEntity::Type::Italic, 6, 6}}); check_parse_html("🏟 🏟<a", "🏟 🏟a", "🏟 🏟", "🏟 🏟<", {}); check_parse_html(" ", " ", {{td::MessageEntity::Type::Code, 0, 1}, {td::MessageEntity::Type::Bold, 0, 1}, {td::MessageEntity::Type::Italic, 0, 1}, {td::MessageEntity::Type::Code, 1, 1}, {td::MessageEntity::Type::Bold, 1, 1}, {td::MessageEntity::Type::Italic, 1, 1}}); check_parse_html(" ", " ", {{td::MessageEntity::Type::Italic, 0, 3}, {td::MessageEntity::Type::Bold, 0, 1}, {td::MessageEntity::Type::Code, 2, 1}}); check_parse_html(" ", " ", {{td::MessageEntity::Type::TextUrl, 0, 1, "http://telegram.org/"}}); check_parse_html(" ", " ", {{td::MessageEntity::Type::TextUrl, 0, 1, "http://telegram.org/"}}); check_parse_html(" ", " ", {{td::MessageEntity::Type::TextUrl, 0, 1, "http://telegram.org/"}}); check_parse_html(" ", " ", {{td::MessageEntity::Type::TextUrl, 0, 1, "http://telegram.org/?<"}}); check_parse_html(" ", " ", {}); check_parse_html("telegram.org ", "telegram.org ", {}); check_parse_html("telegram.org", "telegram.org", {{td::MessageEntity::Type::TextUrl, 0, 12, "http://telegram.org/"}}); check_parse_html("https://telegram.org/asdsa?asdasdwe#12e3we", "https://telegram.org/asdsa?asdasdwe#12e3we", {{td::MessageEntity::Type::TextUrl, 0, 42, "https://telegram.org/asdsa?asdasdwe#12e3we"}}); check_parse_html("🏟 🏟<
🏟 🏟<", "🏟 🏟<🏟 🏟<",
                   {{td::MessageEntity::Type::Pre, 6, 6}});
  check_parse_html("🏟 🏟<🏟 🏟<", "🏟 🏟<🏟 🏟<",
                   {{td::MessageEntity::Type::Code, 6, 6}});
  check_parse_html("🏟 🏟<
🏟 🏟<", "🏟 🏟<🏟 🏟<",
                   {{td::MessageEntity::Type::Pre, 6, 6}, {td::MessageEntity::Type::Code, 6, 6}});
  check_parse_html("🏟 🏟<
🏟 🏟<", "🏟 🏟<🏟 🏟<",
                   {{td::MessageEntity::Type::Pre, 6, 6}, {td::MessageEntity::Type::Code, 6, 6}});
  check_parse_html("🏟 🏟<
🏟 🏟<", "🏟 🏟<🏟 🏟<",
                   {{td::MessageEntity::Type::PreCode, 6, 6, "fift"}});
  check_parse_html("🏟 🏟<
🏟 🏟<", "🏟 🏟<🏟 🏟<",
                   {{td::MessageEntity::Type::PreCode, 6, 6, "fift"}});
  check_parse_html("🏟 🏟<
🏟 🏟< ", "🏟 🏟<🏟 🏟< ",
                   {{td::MessageEntity::Type::Pre, 6, 7}, {td::MessageEntity::Type::Code, 6, 6}});
  check_parse_html("🏟 🏟<
 🏟 🏟<", "🏟 🏟< 🏟 🏟<",
                   {{td::MessageEntity::Type::Pre, 6, 7}, {td::MessageEntity::Type::Code, 7, 6}});
}

static void check_parse_markdown(td::string text, const td::string &result,
                                 const td::vector &entities) {
  auto r_entities = td::parse_markdown_v2(text);
  ASSERT_TRUE(r_entities.is_ok());
  ASSERT_EQ(entities, r_entities.ok());
  ASSERT_STREQ(result, text);
}

static void check_parse_markdown(td::string text, td::Slice error_message) {
  auto r_entities = td::parse_markdown_v2(text);
  ASSERT_TRUE(r_entities.is_error());
  ASSERT_EQ(400, r_entities.error().code());
  ASSERT_STREQ(error_message, r_entities.error().message());
}

TEST(MessageEntities, parse_markdown) {
  td::Slice reserved_characters("]()>#+=|{}.!");
  td::Slice begin_characters("_*[~`");
  for (char c = 1; c < 126; c++) {
    if (begin_characters.find(c) != td::Slice::npos) {
      continue;
    }

    td::string text(1, c);
    if (reserved_characters.find(c) == td::Slice::npos) {
      check_parse_markdown(text, text, {});
    } else {
      check_parse_markdown(
          text, PSLICE() << "Character '" << c << "' is reserved and must be escaped with the preceding '\\'");

      td::string escaped_text = "\\" + text;
      check_parse_markdown(escaped_text, text, {});
    }
  }

  check_parse_markdown("🏟 🏟_abacaba", "Can't find end of Italic entity at byte offset 9");
  check_parse_markdown("🏟 🏟_abac * asd ", "Can't find end of Bold entity at byte offset 15");
  check_parse_markdown("🏟 🏟_abac * asd _", "Can't find end of Italic entity at byte offset 21");
  check_parse_markdown("🏟 🏟`", "Can't find end of Code entity at byte offset 9");
  check_parse_markdown("🏟 🏟```", "Can't find end of Pre entity at byte offset 9");
  check_parse_markdown("🏟 🏟```a", "Can't find end of Pre entity at byte offset 9");
  check_parse_markdown("🏟 🏟```a ", "Can't find end of PreCode entity at byte offset 9");
  check_parse_markdown("🏟 🏟__🏟 🏟_", "Can't find end of Italic entity at byte offset 20");
  check_parse_markdown("🏟 🏟_🏟 🏟__", "Can't find end of Underline entity at byte offset 19");
  check_parse_markdown("🏟 🏟```🏟 🏟`", "Can't find end of Code entity at byte offset 21");
  check_parse_markdown("🏟 🏟```🏟 🏟_", "Can't find end of PreCode entity at byte offset 9");
  check_parse_markdown("🏟 🏟```🏟 🏟\\`", "Can't find end of PreCode entity at byte offset 9");
  check_parse_markdown("[telegram\\.org](asd\\)", "Can't find end of a URL at byte offset 16");
  check_parse_markdown("[telegram\\.org](", "Can't find end of a URL at byte offset 16");
  check_parse_markdown("[telegram\\.org](asd", "Can't find end of a URL at byte offset 16");
  check_parse_markdown("🏟 🏟__🏟 _🏟___", "Can't find end of Italic entity at byte offset 23");
  check_parse_markdown("🏟 🏟__", "Can't find end of Underline entity at byte offset 9");

  check_parse_markdown("", "", {});
  check_parse_markdown("\\\\", "\\", {});
  check_parse_markdown("\\\\\\", "\\\\", {});
  check_parse_markdown("\\\\\\\\\\_\\*\\`", "\\\\_*`", {});
  check_parse_markdown("➡️ ➡️", "➡️ ➡️", {});
  check_parse_markdown("🏟 🏟``", "🏟 🏟", {});
  check_parse_markdown("🏟 🏟_abac \\* asd _", "🏟 🏟abac * asd ", {{td::MessageEntity::Type::Italic, 5, 11}});
  check_parse_markdown("🏟 \\.🏟_🏟\\. 🏟_", "🏟 .🏟🏟. 🏟", {{td::MessageEntity::Type::Italic, 6, 6}});
  check_parse_markdown("\\\\\\a\\b\\c\\d\\e\\f\\1\\2\\3\\4\\➡️\\", "\\abcdef1234\\➡️\\", {});
  check_parse_markdown("➡️ ➡️_➡️ ➡️_", "➡️ ➡️➡️ ➡️",
                       {{td::MessageEntity::Type::Italic, 5, 5}});
  check_parse_markdown("➡️ ➡️_➡️ ➡️_*➡️ ➡️*", "➡️ ➡️➡️ ➡️➡️ ➡️",
                       {{td::MessageEntity::Type::Italic, 5, 5}, {td::MessageEntity::Type::Bold, 10, 5}});
  check_parse_markdown("🏟 🏟_🏟 \\.🏟_", "🏟 🏟🏟 .🏟", {{td::MessageEntity::Type::Italic, 5, 6}});
  check_parse_markdown("🏟 🏟_🏟 *🏟*_", "🏟 🏟🏟 🏟",
                       {{td::MessageEntity::Type::Italic, 5, 5}, {td::MessageEntity::Type::Bold, 8, 2}});
  check_parse_markdown("🏟 🏟_🏟 __🏟___", "🏟 🏟🏟 🏟",
                       {{td::MessageEntity::Type::Italic, 5, 5}, {td::MessageEntity::Type::Underline, 8, 2}});
  check_parse_markdown("🏟 🏟__🏟 _🏟_ __", "🏟 🏟🏟 🏟 ",
                       {{td::MessageEntity::Type::Underline, 5, 6}, {td::MessageEntity::Type::Italic, 8, 2}});
  check_parse_markdown("🏟 🏟__🏟 _🏟_\\___", "🏟 🏟🏟 🏟_",
                       {{td::MessageEntity::Type::Underline, 5, 6}, {td::MessageEntity::Type::Italic, 8, 2}});
  check_parse_markdown("🏟 🏟`🏟 🏟```", "🏟 🏟🏟 🏟", {{td::MessageEntity::Type::Code, 5, 5}});
  check_parse_markdown("🏟 🏟```🏟 🏟```", "🏟 🏟 🏟",
                       {{td::MessageEntity::Type::PreCode, 5, 3, "🏟"}});
  check_parse_markdown("🏟 🏟```🏟\n🏟```", "🏟 🏟🏟",
                       {{td::MessageEntity::Type::PreCode, 5, 2, "🏟"}});
  check_parse_markdown("🏟 🏟```🏟\r🏟```", "🏟 🏟🏟",
                       {{td::MessageEntity::Type::PreCode, 5, 2, "🏟"}});
  check_parse_markdown("🏟 🏟```🏟\n\r🏟```", "🏟 🏟🏟",
                       {{td::MessageEntity::Type::PreCode, 5, 2, "🏟"}});
  check_parse_markdown("🏟 🏟```🏟\r\n🏟```", "🏟 🏟🏟",
                       {{td::MessageEntity::Type::PreCode, 5, 2, "🏟"}});
  check_parse_markdown("🏟 🏟```🏟\n\n🏟```", "🏟 🏟\n🏟",
                       {{td::MessageEntity::Type::PreCode, 5, 3, "🏟"}});
  check_parse_markdown("🏟 🏟```🏟\r\r🏟```", "🏟 🏟\r🏟",
                       {{td::MessageEntity::Type::PreCode, 5, 3, "🏟"}});
  check_parse_markdown("🏟 🏟```🏟 \\\\\\`🏟```", "🏟 🏟 \\`🏟",
                       {{td::MessageEntity::Type::PreCode, 5, 5, "🏟"}});
  check_parse_markdown("🏟 🏟**", "🏟 🏟", {});
  check_parse_markdown("🏟 🏟``", "🏟 🏟", {});
  check_parse_markdown("🏟 🏟``````", "🏟 🏟", {});
  check_parse_markdown("🏟 🏟____", "🏟 🏟", {});
  check_parse_markdown("`_* *_`__*` `*__", "_* *_ ",
                       {{td::MessageEntity::Type::Code, 0, 5},
                        {td::MessageEntity::Type::Code, 5, 1},
                        {td::MessageEntity::Type::Bold, 5, 1},
                        {td::MessageEntity::Type::Underline, 5, 1}});
  check_parse_markdown("_* * ` `_", "   ",
                       {{td::MessageEntity::Type::Italic, 0, 3},
                        {td::MessageEntity::Type::Bold, 0, 1},
                        {td::MessageEntity::Type::Code, 2, 1}});
  check_parse_markdown("[](telegram.org)", "", {});
  check_parse_markdown("[ ](telegram.org)", " ", {{td::MessageEntity::Type::TextUrl, 0, 1, "http://telegram.org/"}});
  check_parse_markdown("[ ](as)", " ", {});
  check_parse_markdown("[telegram\\.org]", "telegram.org",
                       {{td::MessageEntity::Type::TextUrl, 0, 12, "http://telegram.org/"}});
  check_parse_markdown("[telegram\\.org]a", "telegram.orga",
                       {{td::MessageEntity::Type::TextUrl, 0, 12, "http://telegram.org/"}});
  check_parse_markdown("[telegram\\.org](telegram.dog)", "telegram.org",
                       {{td::MessageEntity::Type::TextUrl, 0, 12, "http://telegram.dog/"}});
  check_parse_markdown("[telegram\\.org](https://telegram.dog?)", "telegram.org",
                       {{td::MessageEntity::Type::TextUrl, 0, 12, "https://telegram.dog/?"}});
  check_parse_markdown("[telegram\\.org](https://telegram.dog?\\\\\\()", "telegram.org",
                       {{td::MessageEntity::Type::TextUrl, 0, 12, "https://telegram.dog/?\\("}});
  check_parse_markdown("[telegram\\.org]()", "telegram.org", {});
  check_parse_markdown("[telegram\\.org](asdasd)", "telegram.org", {});
  check_parse_markdown("[telegram\\.org](tg:user?id=123456)", "telegram.org", {{0, 12, td::UserId(123456)}});
}