LCOV - code coverage report
Current view: top level - tests - tld_test_emails.cpp (source / functions) Hit Total Coverage
Test: coverage.info Lines: 171 289 59.2 %
Date: 2022-02-19 13:28:04 Functions: 6 8 75.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* TLD library -- test the TLD interface for emails
       2             :  * Copyright (c) 2013-2022  Made to Order Software Corp.  All Rights Reserved
       3             :  *
       4             :  * Permission is hereby granted, free of charge, to any person obtaining a
       5             :  * copy of this software and associated documentation files (the
       6             :  * "Software"), to deal in the Software without restriction, including
       7             :  * without limitation the rights to use, copy, modify, merge, publish,
       8             :  * distribute, sublicense, and/or sell copies of the Software, and to
       9             :  * permit persons to whom the Software is furnished to do so, subject to
      10             :  * the following conditions:
      11             :  *
      12             :  * The above copyright notice and this permission notice shall be included
      13             :  * in all copies or substantial portions of the Software.
      14             :  *
      15             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
      16             :  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
      17             :  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
      18             :  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
      19             :  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
      20             :  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
      21             :  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
      22             :  */
      23             : 
      24             : /** \file
      25             :  * \brief Test the tld_email_list class.
      26             :  *
      27             :  * This file implements various tests to verify that the
      28             :  * tld_email_list functions as expected.
      29             :  */
      30             : 
      31             : #include "libtld/tld.h"
      32             : #include <stdlib.h>
      33             : #include <stdio.h>
      34             : #include <string.h>
      35             : #include <sstream>
      36             : 
      37             : /// The number of errors encountered before exiting.
      38             : int err_count = 0;
      39             : 
      40             : /// Whether to be verbose, turned off by default.
      41             : int verbose = 0;
      42             : 
      43             : 
      44             : /** \brief Print an error.
      45             :  *
      46             :  * This function prints the specified \p msg in stderr and increases
      47             :  * the error counter by one.
      48             :  *
      49             :  * \param[in] msg  The message to be printed.
      50             :  */
      51           0 : void error(const std::string& msg)
      52             : {
      53           0 :     fprintf(stderr, "%s\n", msg.c_str());
      54           0 :     ++err_count;
      55           0 : }
      56             : 
      57             : 
      58             : /// Macro to check that exceptions are raised without having to write the try/catch each time.
      59             : #define EXPECTED_THROW(s, e) \
      60             :     try \
      61             :     { \
      62             :         static_cast<void>(s); \
      63             :         error("error: bad." #s "() of \"\" did not throw an error."); \
      64             :     } \
      65             :     catch(const e&) \
      66             :     { \
      67             :     }
      68             : 
      69             : 
      70             : /** \brief Define a valid email string.
      71             :  *
      72             :  * This structure is used to define a valid email string. The string may
      73             :  * include any number of emails as defined by the \p f_count field. Note
      74             :  * that the count is increased by 1 for each group definition in the list
      75             :  * defined in the \p f_input_email string.
      76             :  *
      77             :  * This structure is used to validate many different types of email
      78             :  * addresses to make sure that our parser works properly.
      79             :  */
      80             : struct valid_email
      81             : {
      82             :     /// The valid emails to be parsed.
      83             :     const char *        f_input_email;
      84             :     /// The number of emails returned on f_input_email was parsed, plus one per group.
      85             :     int                 f_count;
      86             : };
      87             : 
      88             : //const char *        f_group;
      89             : //const char *        f_original_email;
      90             : //const char *        f_fullname;
      91             : //const char *        f_username;
      92             : //const char *        f_domain;
      93             : //const char *        f_email_only;
      94             : //const char *        f_canonicalized_email;
      95             : 
      96             : /// List of results to verify all the fields of the parser output. There is one entry per group and email.
      97             : const tld_email list_of_results[] =
      98             : {
      99             :     { "", "MAILER-DAEMON@mail.exdox.com (Mail Delivery System)",
     100             :       "", "MAILER-DAEMON", "mail.exdox.com", "MAILER-DAEMON@mail.exdox.com", "MAILER-DAEMON@mail.exdox.com" },
     101             : #if 1
     102             :     { "", "alexis@m2osw.com",
     103             :       "", "alexis", "m2osw.com", "alexis@m2osw.com", "alexis@m2osw.com" },
     104             :     { "", "a@m2osw.com",
     105             :       "", "a", "m2osw.com", "a@m2osw.com", "a@m2osw.com" },
     106             :     { "", "b@c.com",
     107             :       "", "b", "c.com", "b@c.com", "b@c.com" },
     108             :     { "", "alexis@m2osw.com",
     109             :       "", "alexis", "m2osw.com", "alexis@m2osw.com", "alexis@m2osw.com" },
     110             :     { "", "\"Wilke, Alexis\" <alexis@m2osw.com>",
     111             :       "Wilke, Alexis", "alexis", "m2osw.com", "alexis@m2osw.com", "\"Wilke, Alexis\" <alexis@m2osw.com>" },
     112             :     { "", "(* Pascal Comments *) \t alexis@m2osw.com\n (Just (kidding) he! he!)",
     113             :       "", "alexis", "m2osw.com", "alexis@m2osw.com", "alexis@m2osw.com" },
     114             :     { "", "(Start-Comment)alexis@ \t [ \t m2osw.com \t ] \n (More (comment) here)",
     115             :       "", "alexis", "m2osw.com", "alexis@m2osw.com", "alexis@m2osw.com" },
     116             :     { "", "(Test with dots in user name) al.ex.is@ \t [ \t m2osw.com \t ] \n (More (comments) there)",
     117             :       "", "al.ex.is", "m2osw.com", "al.ex.is@m2osw.com", "al.ex.is@m2osw.com" },
     118             :     { "", "< (Test with dots in user name) al.ex.is@ \t [ \t m2osw.com \t ] \n (More (comments) there) >",
     119             :       "", "al.ex.is", "m2osw.com", "al.ex.is@m2osw.com", "al.ex.is@m2osw.com" },
     120             :     { "", "(With full name) Alexis Wilke < (Test with dots in user name) al.ex.is@ \t [ \t m2osw.com \t ] \n (More (comments) there) >",
     121             :       "Alexis Wilke", "al.ex.is", "m2osw.com", "al.ex.is@m2osw.com", "Alexis Wilke <al.ex.is@m2osw.com>" },
     122             :     { "This Group", "",
     123             :       "", "", "", "", "" },
     124             :     { "This Group", "(With full name) Alexis Wilke < \n alexis \t @ \t [ \t m2osw.com \t ] \n (Less) >",
     125             :       "Alexis Wilke", "alexis", "m2osw.com", "alexis@m2osw.com", "Alexis Wilke <alexis@m2osw.com>" },
     126             :     { "People", "",
     127             :       "", "", "", "", "" },
     128             :     { "People", "Alexis Wilke <alexis@m2osw.com>",
     129             :       "Alexis Wilke", "alexis", "m2osw.com", "alexis@m2osw.com", "Alexis Wilke <alexis@m2osw.com>" },
     130             :     { "People", "John Smith <john@m2osw.com>",
     131             :       "John Smith", "john", "m2osw.com", "john@m2osw.com", "John Smith <john@m2osw.com>" },
     132             :     { "Lists", "",
     133             :       "", "", "", "", "" },
     134             :     { "Lists", "Contact <contact@m2osw.com>",
     135             :       "Contact", "contact", "m2osw.com", "contact@m2osw.com", "Contact <contact@m2osw.com>" },
     136             :     { "Lists", "Resume <resume@m2osw.com>",
     137             :       "Resume", "resume", "m2osw.com", "resume@m2osw.com", "Resume <resume@m2osw.com>" },
     138             :     { "", "normal@m2osw.com",
     139             :       "", "normal", "m2osw.com", "normal@m2osw.com", "normal@m2osw.com" },
     140             :     { "No-Reply", "",
     141             :       "", "", "", "", "" },
     142             :     { "No-Reply", "no-reply@m2osw.com",
     143             :       "", "no-reply", "m2osw.com", "no-reply@m2osw.com", "no-reply@m2osw.com" },
     144             :     { "", "\"Complex <name> for !a! \\\"USER\\\"\" <user@example.co.uk>",
     145             :       "Complex <name> for !a! \"USER\"", "user", "example.co.uk", "user@example.co.uk", "\"Complex <name> for !a! \\\"USER\\\"\" <user@example.co.uk>" },
     146             :     { "", "(Comment \n New-Line) alexis@m2osw.com",
     147             :       "", "alexis", "m2osw.com", "alexis@m2osw.com", "alexis@m2osw.com" },
     148             :     { "", "(Comment (Sub-Comment (Sub-Sub-Comment (Sub-Sub-Sub-Comment \\) This is still the Sub-Sub-Sub-Comment!!!)))) alexis@m2osw.com",
     149             :       "", "alexis", "m2osw.com", "alexis@m2osw.com", "alexis@m2osw.com" },
     150             :     { "Group with  some sub-comments", "",
     151             :       "", "", "", "", "" },
     152             :     { "Group with  some sub-comments", "alexis@m2osw.com",
     153             :       "", "alexis", "m2osw.com", "alexis@m2osw.com", "alexis@m2osw.com" },
     154             :     // TBD: since the colons get canonicalized to %3A we do not need the '[' and ']' in the canonicalized version
     155             :     { "", "\"Wilke, Alexis\" <\"alexis,wilke\"@[:special:.m2osw.com]>",
     156             :       "Wilke, Alexis", "alexis,wilke", ":special:.m2osw.com", "\"alexis,wilke\"@[:special:.m2osw.com]", "\"Wilke, Alexis\" <\"alexis,wilke\"@%3Aspecial%3A.m2osw.com>" },
     157             :     { "", "alexis@m2osw.com (Simple Comment)",
     158             :       "", "alexis", "m2osw.com", "alexis@m2osw.com", "alexis@m2osw.com" },
     159             : #endif
     160             : 
     161             :     // end list with nulls
     162             :     { nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr }
     163             : };
     164             : 
     165             : /// The list of valid emails used to check the parser out.
     166             : const valid_email list_of_valid_emails[] =
     167             : {
     168             :     { "MAILER-DAEMON@mail.exdox.com (Mail Delivery System)", 1},
     169             : #if 1
     170             :     { "alexis@m2osw.com", 1 },
     171             :     { "a@m2osw.com", 1 },
     172             :     { "b@c.com", 1 },
     173             :     { " \t alexis@m2osw.com\n \t", 1 },
     174             :     { "\"Wilke, Alexis\" <alexis@m2osw.com>", 1 },
     175             :     { " (* Pascal Comments *) \t alexis@m2osw.com\n (Just (kidding) he! he!) \t", 1 },
     176             :     { "(Start-Comment)alexis@ \t [ \t m2osw.com \t ] \n (More (comment) here) \r\n\t", 1 },
     177             :     { "(Test with dots in user name) al.ex.is@ \t [ \t m2osw.com \t ] \n (More (comments) there) \r\n\t", 1 },
     178             :     { "< (Test with dots in user name) al.ex.is@ \t [ \t m2osw.com \t ] \n (More (comments) there) > \r\n\t", 1 },
     179             :     { "(With full name) Alexis Wilke < (Test with dots in user name) al.ex.is@ \t [ \t m2osw.com \t ] \n (More (comments) there) > \r\n\t", 1 },
     180             :     { "  (Now a group:) This Group: (With full name) Alexis Wilke < \n alexis \t @ \t [ \t m2osw.com \t ] \n (Less) >; \r\n\t", 2 },
     181             :     { "People: Alexis Wilke <alexis@m2osw.com>, John Smith <john@m2osw.com>; Lists: Contact <contact@m2osw.com>, Resume <resume@m2osw.com>; normal@m2osw.com, No-Reply: no-reply@m2osw.com;", 9 },
     182             :     { "\"Complex <name> for !a! \\\"USER\\\"\" <user@example.co.uk>", 1 },
     183             :     { "(Comment \n New-Line) alexis@m2osw.com", 1 },
     184             :     { "(Comment (Sub-Comment (Sub-Sub-Comment (Sub-Sub-Sub-Comment \\) This is still the Sub-Sub-Sub-Comment!!!)))) alexis@m2osw.com", 1 },
     185             :     { "Group with (Comment (Sub-Comment (Sub-Sub-Comment (Sub-Sub-Sub-Comment \\) This is still the Sub-Sub-Sub-Comment!!!)))) some sub-comments \t : alexis@m2osw.com;", 2 },
     186             :     { "\"Wilke, Alexis\" <\"alexis,wilke\"@[:special:.m2osw.com]>", 1 },
     187             :     { "alexis@m2osw.com (Simple Comment)", 1 },
     188             : #endif
     189             : 
     190             :     // end of list
     191             :     { nullptr, 0 }
     192             : };
     193             : 
     194             : 
     195             : /** \brief Transform an email string in a C-like string.
     196             :  *
     197             :  * This function transforms the characters in \p e into a set of C-like
     198             :  * escape characters so it can safely be printed in the console.
     199             :  *
     200             :  * For example, the character 0x09 is transformed to the character \\t.
     201             :  *
     202             :  * \param[in] e  The email to be transformed.
     203             :  *
     204             :  * \return The transformed email.
     205             :  */
     206           0 : std::string email_to_vstring(const std::string& e)
     207             : {
     208           0 :     std::string result;
     209           0 :     char buf[3];
     210             : 
     211           0 :     for(const char *s(e.c_str()); *s != '\0'; ++s)
     212             :     {
     213           0 :         if(static_cast<unsigned char>(*s) < ' ')
     214             :         {
     215           0 :             switch(*s)
     216             :             {
     217           0 :             case '\a': result += "\\a"; break;
     218           0 :             case '\b': result += "\\b"; break;
     219           0 :             case '\f': result += "\\f"; break;
     220           0 :             case '\n': result += "\\n"; break;
     221           0 :             case '\r': result += "\\r"; break;
     222           0 :             case '\t': result += "\\t"; break;
     223           0 :             case '\v': result += "\\v"; break;
     224           0 :             default:
     225           0 :                 buf[0] = '^';
     226           0 :                 buf[1] = *s + '@';
     227           0 :                 buf[2] = '\0';
     228           0 :                 result += buf;
     229           0 :                 break;
     230             : 
     231             :            }
     232             :         }
     233           0 :         else if(*s == 0x7F)
     234             :         {
     235           0 :             result += "<DEL>";
     236             :         }
     237           0 :         else if(static_cast<unsigned char>(*s) > 0x80)
     238             :         {
     239             :             static const char *hc = "0123456789ABCDEF";
     240           0 :             result += "\\x";
     241           0 :             buf[0] = hc[*s >> 4];
     242           0 :             buf[1] = hc[*s & 15];
     243           0 :             buf[2] = '\0';
     244           0 :             result += buf;
     245             :         }
     246             :         else
     247             :         {
     248           0 :             result += *s;
     249             :         }
     250             :     }
     251             : 
     252           0 :     return result;
     253             : }
     254             : 
     255             : 
     256           1 : void test_valid_emails()
     257             : {
     258           1 :     const tld_email *results(list_of_results);
     259          20 :     for(const valid_email *v(list_of_valid_emails); v->f_input_email != nullptr; ++v)
     260             :     {
     261          19 :         if(verbose)
     262             :         {
     263           0 :             printf("*** testing email \"%s\", start with C++ test\n", email_to_vstring(v->f_input_email).c_str());
     264           0 :             fflush(stdout);
     265             :         }
     266             : 
     267          19 :         const tld_email * const cresults(results);
     268             : 
     269             :         // C++ test
     270             :         {
     271          38 :             tld_email_list list;
     272          19 :             tld_result r(list.parse(v->f_input_email, 0));
     273          19 :             int max(v->f_count);
     274          19 :             if(r != TLD_RESULT_SUCCESS)
     275             :             {
     276           0 :                 fprintf(stderr, "return value is %d instead of %d with [%s]\n", r, TLD_RESULT_SUCCESS, v->f_input_email);
     277           0 :                 error("error: unexpected return value.");
     278           0 :                 results += max;
     279             :             }
     280          19 :             else if(list.count() != max)
     281             :             {
     282           0 :                 fprintf(stderr, "parse() returned %d as count, expected %d\n", list.count(), max);
     283           0 :                 error("error: unexpected count");
     284           0 :                 results += max;
     285             :             }
     286             :             else
     287             :             {
     288             :                 // test the C++ function first
     289             :                 {
     290          38 :                     tld_email_list::tld_email_t e;
     291          48 :                     for(int i(0); i < max; ++i, ++results)
     292             :                     {
     293          29 :                         if(results->f_group == nullptr)
     294             :                         {
     295           0 :                             error("error: end of results array reached before completion of the test.\n");
     296           0 :                             return;
     297             :                         }
     298             : 
     299          29 :                         if(!list.next(e))
     300             :                         {
     301           0 :                             error("error: next() returned false too soon.");
     302             :                         }
     303          29 :                         if(e.f_group != results->f_group)
     304             :                         {
     305           0 :                             error("error: next() returned the wrong group. Got \"" + e.f_group + "\" instead of \"" + results->f_group + "\".");
     306             :                         }
     307          29 :                         if(e.f_original_email != results->f_original_email)
     308             :                         {
     309           0 :                             error("error: next() returned the wrong original email. Got \"" + e.f_original_email + "\" instead of \"" + results->f_original_email + "\".");
     310             :                         }
     311          29 :                         if(e.f_fullname != results->f_fullname)
     312             :                         {
     313           0 :                             error("error: next() returned the wrong fullname. Got \"" + e.f_fullname + "\" instead of \"" + results->f_fullname + "\".");
     314             :                         }
     315          29 :                         if(e.f_username != results->f_username)
     316             :                         {
     317           0 :                             error("error: next() returned the wrong username. Got \"" + e.f_username + "\" instead of \"" + results->f_username + "\".");
     318             :                         }
     319          29 :                         if(e.f_domain != results->f_domain)
     320             :                         {
     321           0 :                             error("error: next() returned the wrong username. Got \"" + e.f_domain + "\" instead of \"" + results->f_domain + "\".");
     322             :                         }
     323          29 :                         if(e.f_email_only != results->f_email_only)
     324             :                         {
     325           0 :                             error("error: next() returned the wrong email only. Got \"" + e.f_email_only + "\" instead of \"" + results->f_email_only + "\".");
     326             :                         }
     327          29 :                         if(e.f_canonicalized_email != results->f_canonicalized_email)
     328             :                         {
     329           0 :                             error("error: next() returned the wrong canonicalized email. Got \"" + e.f_canonicalized_email + "\" instead of \"" + results->f_canonicalized_email + "\".");
     330             :                         }
     331             :                     }
     332          19 :                     if(list.next(e))
     333             :                     {
     334           0 :                         error("error: next(e) returned the wrong result, it should be false after the whole set of emails were read.");
     335             :                     }
     336             :                 }
     337             :                 // try the C function which also allows us to test the rewind()
     338          19 :                 list.rewind();
     339             :                 {
     340          19 :                     results = cresults;
     341          19 :                     tld_email e;
     342          48 :                     for(int i(0); i < max; ++i, ++results)
     343             :                     {
     344          29 :                         if(!list.next(&e))
     345             :                         {
     346           0 :                             error("error: next() returned false too soon.");
     347             :                         }
     348          29 :                         if(strcmp(e.f_group, results->f_group) != 0)
     349             :                         {
     350           0 :                             error("error: next() returned the wrong group. Got \"" + std::string(e.f_group) + "\" from \"" + results->f_group + "\".");
     351             :                         }
     352          29 :                         if(strcmp(e.f_original_email, results->f_original_email) != 0)
     353             :                         {
     354           0 :                             error("error: next() returned the wrong original email. Got \"" + std::string(e.f_original_email) + "\" instead of \"" + results->f_original_email + "\".");
     355             :                         }
     356          29 :                         if(strcmp(e.f_fullname, results->f_fullname) != 0)
     357             :                         {
     358           0 :                             error("error: next() returned the wrong fullname.");
     359             :                         }
     360          29 :                         if(strcmp(e.f_username, results->f_username) != 0)
     361             :                         {
     362           0 :                             error("error: next() returned the wrong username.");
     363             :                         }
     364          29 :                         if(strcmp(e.f_domain, results->f_domain) != 0)
     365             :                         {
     366           0 :                             error("error: next() returned the wrong username.");
     367             :                         }
     368          29 :                         if(strcmp(e.f_email_only, results->f_email_only) != 0)
     369             :                         {
     370           0 :                             error("error: next() returned the wrong email only.");
     371             :                         }
     372          29 :                         if(strcmp(e.f_canonicalized_email, results->f_canonicalized_email) != 0)
     373             :                         {
     374           0 :                             error("error: next() returned the wrong canonicalized email.");
     375             :                         }
     376             :                     }
     377          19 :                     if(list.next(&e))
     378             :                     {
     379           0 :                         error("error: next(&e) returned the wrong result, it should be false after the whole set of emails were read.");
     380             :                     }
     381             :                 }
     382             :             }
     383             :         }
     384             : 
     385          19 :         if(verbose)
     386             :         {
     387           0 :             printf("*** C test now\n");
     388           0 :             fflush(stdout);
     389             :         }
     390             :         // C test
     391             :         {
     392             :             tld_email_list *list;
     393          19 :             list = tld_email_alloc();
     394          19 :             tld_result r = tld_email_parse(list, v->f_input_email, 0);
     395          19 :             const int max(v->f_count);
     396          19 :             if(r != TLD_RESULT_SUCCESS)
     397             :             {
     398           0 :                 fprintf(stderr, "return value is %d instead of %d for \"%s\"\n", r, TLD_RESULT_SUCCESS, v->f_input_email);
     399           0 :                 error("error: unexpected return value.");
     400             :             }
     401          19 :             else if(tld_email_count(list) != max)
     402             :             {
     403           0 :                 fprintf(stderr, "parse() returned %d as count, expected %d\n", tld_email_count(list), max);
     404           0 :                 error("error: unexpected count");
     405             :             }
     406             :             else
     407             :             {
     408             :                 // test the C++ function first
     409          57 :                 for(int repeat(0); repeat < 2; ++repeat)
     410             :                 {
     411          38 :                     results = cresults;
     412          38 :                     struct tld_email e;
     413          96 :                     for(int i(0); i < max; ++i, ++results)
     414             :                     {
     415          58 :                         if(results->f_group == nullptr)
     416             :                         {
     417           0 :                             error("error: end of results array reached before completion of the test.\n");
     418           0 :                             return;
     419             :                         }
     420             : 
     421          58 :                         if(tld_email_next(list, &e) != 1)
     422             :                         {
     423           0 :                             error("error: next() returned false too soon.");
     424             :                         }
     425          58 :                         if(strcmp(e.f_group, results->f_group) != 0)
     426             :                         {
     427           0 :                             error("error: next() returned the wrong group. Got \"" + std::string(e.f_group) + "\" from \"" + results->f_group + "\".");
     428             :                         }
     429          58 :                         if(strcmp(e.f_original_email, results->f_original_email) != 0)
     430             :                         {
     431           0 :                             error("error: next() returned the wrong original email. Got \"" + std::string(e.f_original_email) + "\" instead of \"" + results->f_original_email + "\".");
     432             :                         }
     433          58 :                         if(strcmp(e.f_fullname, results->f_fullname) != 0)
     434             :                         {
     435           0 :                             error("error: next() returned the wrong fullname.");
     436             :                         }
     437          58 :                         if(strcmp(e.f_username, results->f_username) != 0)
     438             :                         {
     439           0 :                             error("error: next() returned the wrong username.");
     440             :                         }
     441          58 :                         if(strcmp(e.f_domain, results->f_domain) != 0)
     442             :                         {
     443           0 :                             error("error: next() returned the wrong username.");
     444             :                         }
     445          58 :                         if(strcmp(e.f_email_only, results->f_email_only) != 0)
     446             :                         {
     447           0 :                             error("error: next() returned the wrong email only.");
     448             :                         }
     449          58 :                         if(strcmp(e.f_canonicalized_email, results->f_canonicalized_email) != 0)
     450             :                         {
     451           0 :                             error("error: next() returned the wrong canonicalized email.");
     452             :                         }
     453             :                     }
     454          38 :                     if(tld_email_next(list, &e) != 0)
     455             :                     {
     456           0 :                         error("error: next(&e) returned the wrong result, it should be false after the whole set of emails were read.");
     457             :                     }
     458             :                     // try again
     459          38 :                     tld_email_rewind(list);
     460             :                 }
     461             :             }
     462          19 :             tld_email_free(list);
     463             :         }
     464             :     }
     465             : 
     466             :     {
     467             :         // all valid atom characters
     468           1 :         const char valid_chars[] =
     469             :             "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
     470             :             "abcdefghijklmnopqrstuvwxyz"
     471             :             "0123456789"
     472             :             "!#$%&'*+-/=?^_`{|}~" // here there is a NUL
     473             :         ;
     474          82 :         for(size_t i(0); i < sizeof(valid_chars) / sizeof(valid_chars[0]) - 1; ++i)
     475             :         {
     476         162 :             tld_email_list list;
     477         162 :             std::string e("abc");
     478          81 :             e += valid_chars[i];
     479          81 :             e += "def@m2osw.com";
     480          81 :             if(verbose)
     481             :             {
     482           0 :                 printf("*** testing all atom characters with email \"%s\"\n", email_to_vstring(e).c_str());
     483           0 :                 fflush(stdout);
     484             :             }
     485          81 :             tld_result r(list.parse(e, 0));
     486          81 :             if(r != TLD_RESULT_SUCCESS)
     487             :             {
     488           0 :                 fprintf(stderr, "call to list.parse() failed with %d expected %d for email \"%s\" (all valid atom characters)\n", r, TLD_RESULT_SUCCESS, e.c_str());
     489           0 :                 error("error: unexpected return value.");
     490             :             }
     491             :         }
     492             :     }
     493             : 
     494             :     {
     495             :         // all valid quoted characters: " " to "\x7E" except the " and \ characters
     496             :         if(sizeof(int) < 4)
     497             :         {
     498             :             error("error: the ctrl variable needs to be at least 32 bits");
     499             :             return;
     500             :         }
     501           1 :         const int ctrl(1 << '\t');
     502         127 :         for(size_t i(1); i <= 126; ++i)
     503             :         {
     504         126 :             switch(i)
     505             :             {
     506           4 :             case ' ':   // at this point we disallow the space which causes problems with Snap!
     507             :             case '\t':  // at this point we disallow the tab which causes problems with Snap!
     508             :             case '"':
     509             :             case '\\':
     510             :             case 0x7F:  // not included in the loop anyway
     511           4 :                 break;
     512             : 
     513         122 :             default:
     514         122 :                 if(i >= ' ' || (ctrl & (1 << i)) != 0)
     515             :                 {
     516         184 :                     tld_email_list list;
     517         184 :                     std::string e("\"abc");
     518          92 :                     e += static_cast<char>(i);
     519          92 :                     e += "def\"@m2osw.com";
     520          92 :                     if(verbose)
     521             :                     {
     522           0 :                         printf("*** testing all atom characters with email \"%s\"\n", email_to_vstring(e).c_str());
     523           0 :                         fflush(stdout);
     524             :                     }
     525          92 :                     tld_result r(list.parse(e, 0));
     526          92 :                     if(r != TLD_RESULT_SUCCESS)
     527             :                     {
     528           0 :                         fprintf(stderr, "call to list.parse() failed with %d expected %d for email \"%s\" (all valid characters)\n", r, TLD_RESULT_SUCCESS, email_to_vstring(e).c_str());
     529           0 :                         error("error: unexpected return value.");
     530             :                     }
     531          30 :                 }
     532         122 :                 break;
     533             : 
     534             :             }
     535             :         }
     536             :     }
     537             : 
     538             :     {
     539             :         // all valid quoted pair: '\t' and " " to "\x7E"
     540             :         // -- at this time the \t and " " do not work here
     541          95 :         for(size_t i(33); i <= 126; ++i)
     542             :         {
     543         188 :             tld_email_list list;
     544         188 :             std::string e("\"abc\\");
     545          94 :             if(i == 31)
     546             :             {
     547           0 :                 e += static_cast<char>('\t');
     548             :             }
     549             :             else
     550             :             {
     551          94 :                 e += static_cast<char>(i);
     552             :             }
     553          94 :             e += "def\"@m2osw.com";
     554          94 :             if(verbose)
     555             :             {
     556           0 :                 printf("*** testing all atom characters with email \"%s\"\n", email_to_vstring(e).c_str());
     557           0 :                 fflush(stdout);
     558             :             }
     559          94 :             tld_result r(list.parse(e, 0));
     560          94 :             if(r != TLD_RESULT_SUCCESS)
     561             :             {
     562           0 :                 fprintf(stderr, "call to list.parse() failed with %d expected %d for email \"%s\" (all valid quoted pairs)\n", r, TLD_RESULT_SUCCESS, email_to_vstring(e).c_str());
     563           0 :                 error("error: unexpected return value.");
     564             :             }
     565             :         }
     566             :     }
     567             : 
     568             :     {
     569             :         // all valid comment characters: " " to "\x7E" except the " and \ characters
     570             :         if(sizeof(int) < 4)
     571             :         {
     572             :             error("error: the ctrl variable needs to be at least 32 bits");
     573             :             return;
     574             :         }
     575           1 :         const int ctrl((1 << '\t') | (1 << '\r') | (1 << '\n'));
     576         127 :         for(size_t i(1); i <= 126; ++i)
     577             :         {
     578             :             // we skip all the special characters in a comment since
     579             :             // those are already tested somewhere else
     580         126 :             switch(i)
     581             :             {
     582           3 :             case '(': // avoid a sub-comment
     583             :             case ')': // avoid closing the comment mid-way
     584             :             case '\\':  // tested somewhere else
     585             :             case 0x7F:  // not included in the loop anyway
     586           3 :                 break;
     587             : 
     588         123 :             default:
     589         123 :                 if(i >= ' ' || (ctrl & (1 << i)) != 0)
     590             :                 {
     591         190 :                     tld_email_list list;
     592         190 :                     std::string e("(Comment \"");
     593          95 :                     e += static_cast<char>(i);
     594          95 :                     e += "\" char.) alexis@m2osw.com";
     595          95 :                     if(verbose)
     596             :                     {
     597           0 :                         printf("*** testing all atom characters with email \"%s\"\n", email_to_vstring(e).c_str());
     598           0 :                         fflush(stdout);
     599             :                     }
     600          95 :                     tld_result r(list.parse(e, 0));
     601          95 :                     if(r != TLD_RESULT_SUCCESS)
     602             :                     {
     603           0 :                         error("error: unexpected return value.");
     604             :                     }
     605          28 :                 }
     606         123 :                 break;
     607             : 
     608             :             }
     609             :         }
     610             :     }
     611             : 
     612             :     {
     613             :         // all valid domain characters: "!" to "\x7E" except the [, ], and \ characters
     614          95 :         for(size_t i('!'); i <= 126; ++i)
     615             :         {
     616             :             // a dot is valid but we cannot test it between two other dots
     617          94 :             if(i == '[' || i == ']' || i == '\\' || i == '.')
     618             :             {
     619           4 :                 continue;
     620             :             }
     621         180 :             tld_email_list list;
     622         180 :             std::string e("alexis@[ m2osw.");
     623          90 :             e += static_cast<char>(i);
     624          90 :             if(i == '%')
     625             :             {
     626           1 :                 e += "25";
     627             :             }
     628          90 :             e += ".com\t]";
     629          90 :             if(verbose)
     630             :             {
     631           0 :                 printf("*** testing all atom characters with email \"%s\"\n", email_to_vstring(e).c_str());
     632           0 :                 fflush(stdout);
     633             :             }
     634          90 :             tld_result r(list.parse(e, 0));
     635          90 :             if(r != TLD_RESULT_SUCCESS)
     636             :             {
     637           0 :                 error("error: unexpected return value while testing a domain with special character \"" + e + "\"");
     638             :             }
     639             :         }
     640             :     }
     641             : 
     642             :     {
     643           1 :         if(tld_email_list::quote_string("Test quoting a simple comment", '(') != "(Test quoting a simple comment)")
     644             :         {
     645           0 :             error("error: unexpected return value when testing a simple comment quotation");
     646             :         }
     647           1 :         if(tld_email_list::quote_string("Test (quoting) a complex )comment(", '(') != "(Test \\(quoting\\) a complex \\)comment\\()")
     648             :         {
     649           0 :             error("error: unexpected return value when testing a complex comment quotation");
     650             :         }
     651             :     }
     652             : }
     653             : 
     654             : 
     655             : 
     656             : 
     657             : /** \brief Define an invalid email.
     658             :  *
     659             :  * This structure is used to list invalid emails in order to test that such
     660             :  * emails are not accepted by the parser. The structure includes the expected
     661             :  * result as well as a string pointer to the invalid email.
     662             :  */
     663             : struct invalid_email
     664             : {
     665             :     /// The expected reslut, if the call does not return this exact value the test fails
     666             :     tld_result          f_result;
     667             :     /// The pointer to the invalid email to be tested
     668             :     const char *        f_input_email;
     669             : };
     670             : 
     671             : const invalid_email list_of_invalid_emails[] =
     672             : {
     673             :     { TLD_RESULT_NULL, "alexism2osw.com (missing @)" },
     674             :     { TLD_RESULT_INVALID, "doug barbieri@m2osw.com\n \t (space in email address)" },
     675             :     { TLD_RESULT_NO_TLD, "doug_barbieri@m2osw com\n \t (space in email domain)" },
     676             :     { TLD_RESULT_NOT_FOUND, "doug_barbieri@m2osw.com  org    (space in email domain after dot)" },
     677             :     { TLD_RESULT_NOT_FOUND, "<doug_barbieri@m2osw.com  org>  (space in email domain after dot)" },
     678             :     { TLD_RESULT_INVALID, "<doug_barbieri@this sub domain.m2osw.com>  (space in email domain after dot)" },
     679             :     { TLD_RESULT_INVALID, " \v alexis@m2osw.com\n \t (bad control)" },
     680             :     { TLD_RESULT_INVALID, " (* Pascal Comments *) \t alexis@m2osw.com\n (missing closing parenthesis\\)" },
     681             :     { TLD_RESULT_INVALID, "(Start-Comment)alexis@ \t [ \t m2osw.com \t ] \n (extra after domain done) \"more\tdata\" \r\n\t" },
     682             :     { TLD_RESULT_INVALID, "(Test with dots in user name) al.ex.is@ \t(missing closing bracket ]) [ \t m2osw.com \t " },
     683             :     { TLD_RESULT_NULL, "< (Test with dots in user name) al.ex.is@ \t [ \t m2osw.com \t ] \n (Missing >) \r\n\t" },
     684             :     { TLD_RESULT_INVALID, "(Full name with period) Alexis.Wilke < (Test with dots in user name) al.ex.is@ \t [ \t m2osw.com \t ] \n (More (comments) there) > \r\n\t" },
     685             :     { TLD_RESULT_INVALID, "  (Now a group:) This Group: (With full name) Alexis Wilke < \n alexis \t @ \t [ \t m2osw.com \t ] \n (missing ;) > \r\n\t" },
     686             :     { TLD_RESULT_INVALID, "Good Group: alexis@m2osw.com, bad-group: test@example.com;" },
     687             :     { TLD_RESULT_INVALID, "(No Group Name): alexis@m2osw.com;" },
     688             :     { TLD_RESULT_INVALID, " (No Group Name) : alexis@m2osw.com;" },
     689             :     { TLD_RESULT_INVALID, ": alexis@m2osw.com;" },
     690             :     { TLD_RESULT_INVALID, "(Group with CTRL) Group \v Unexpected: alexis@m2osw.com;" },
     691             :     { TLD_RESULT_INVALID, "\"alexis@m2osw.com;" },
     692             :     { TLD_RESULT_INVALID, "\"alexis@m2osw.com;\v\"" },
     693             :     { TLD_RESULT_NO_TLD, "alexis@m2osw.com, valid@group.com; alexis@m2osw.com, invalid@group" },
     694             :     { TLD_RESULT_NO_TLD, "alexis@m2osw.com, valid@group.com; alexis@m2osw.com, invalid@group;" },
     695             :     { TLD_RESULT_NOT_FOUND, "alexis@m2osw.com, valid@group.com; alexis@m2osw.com, invalid@unknown.tld" },
     696             :     { TLD_RESULT_NOT_FOUND, "alexis@m2osw.com, valid@group.com; alexis@m2osw.com, invalid@unknown.tld;" },
     697             :     { TLD_RESULT_INVALID, "\"Alexis Wilke\\" },  // \ followed by NUL
     698             :     { TLD_RESULT_INVALID, "(Comment with \\\\ followed by NUL: \\" },
     699             :     { TLD_RESULT_INVALID, "(Test Errors Once Done) \"Wilke, Alexis\" <alexis@m2osw.com> \"Bad\"" },
     700             :     { TLD_RESULT_INVALID, "(Comment with CTRL \b) \"Wilke, Alexis\" <alexis@m2osw.com>" },
     701             :     { TLD_RESULT_INVALID, "[m2osw.com]" }, // missing user name
     702             :     { TLD_RESULT_INVALID, "good@[bad-slash\\.com]" },
     703             :     { TLD_RESULT_INVALID, "good@[bad[reopen.com]" },
     704             :     { TLD_RESULT_INVALID, "good@[bad-duplicate.com] more.net" }, // two domains
     705             :     { TLD_RESULT_INVALID, "(Test Errors Once Done) \"Wilke, Alexis\" <alexis@m2osw.com> [Bad]" },
     706             :     { TLD_RESULT_INVALID, "(Test Errors Once Done) alexis@start[Bad]" },
     707             :     { TLD_RESULT_INVALID, "(Test Errors Once Done) alexis@[first][Bad]" },
     708             :     { TLD_RESULT_INVALID, "(Test Errors Once Done) alexis@[control:\v]" },
     709             :     { TLD_RESULT_NULL, "(Test Errors Once Done) alexis@[ spaces BAD]" },
     710             :     { TLD_RESULT_NULL, "(Wind Domain...) alexis@[    ]" },
     711             :     { TLD_RESULT_NULL, "(More Spaces Test) alexis@[no-left-trim no-right-trim]" },
     712             :     { TLD_RESULT_NULL, "(Dot Dot Dot Domain) alexis@[ . . . ]" },
     713             :     { TLD_RESULT_INVALID, "(Dot Only Domain) alexis@[ . ]" },
     714             :     { TLD_RESULT_INVALID, "(Spurious Angle) alexis>@m2osw.com" },
     715             :     { TLD_RESULT_INVALID, "(Spurious Angle) alexis@m2osw.com>" },
     716             :     { TLD_RESULT_INVALID, "(Double Angle) <alexis@m2osw.com>>" },
     717             :     { TLD_RESULT_NULL, "(Missing domain) <alexis@>" },
     718             :     { TLD_RESULT_NULL, "(Missing domain) alexis@" },
     719             :     { TLD_RESULT_INVALID, "(2 domains) <alexis@[m2osw.com]bad>" },
     720             :     { TLD_RESULT_INVALID, "(Double @) <alexis@m2osw.com> @" },
     721             :     { TLD_RESULT_INVALID, "(Double @) alexis@m2osw.com@" },
     722             :     { TLD_RESULT_INVALID, "(Extra Chars) <alexis@m2osw.com> bad" },
     723             :     { TLD_RESULT_NULL, "(Empty username within brackets) <@m2osw.com>" },
     724             :     { TLD_RESULT_NULL, "(Empty User Name) @m2osw.com" },
     725             :     { TLD_RESULT_INVALID, "(Cannot start with a dot) .alexis@m2osw.com" },
     726             :     { TLD_RESULT_INVALID, "(Cannot start with a dot) <.alexis@m2osw.com>" },
     727             :     { TLD_RESULT_INVALID, "(Cannot end with a dot) alexis.@m2osw.com" },
     728             :     { TLD_RESULT_INVALID, "(Cannot end with a dot) <alexis.@m2osw.com>" },
     729             :     { TLD_RESULT_INVALID, "(Cannot include double dots) ale..xis@m2osw.com" },
     730             :     { TLD_RESULT_NOT_FOUND, "(End domain with dot not considered valid!) alexis@m2osw.com." },
     731             :     { TLD_RESULT_INVALID, "(End domain with dot not considered valid!) <alexis@m2osw.com.>" },
     732             :     { TLD_RESULT_NULL, "(Bad Emails) alexis,m2osw.com" },
     733             :     { TLD_RESULT_INVALID, "(Bad Char) alexis@m2osw\001com" },
     734             :     { TLD_RESULT_NOT_FOUND, "(Bad Extension) alexis@m2osw.comm" },
     735             :     { TLD_RESULT_INVALID, "(Bad Extension) alexis@m2osw.ar" },
     736             :     { TLD_RESULT_INVALID, "(Bad Extension) alexis@m2osw.nom.ar" },
     737             :     { TLD_RESULT_NO_TLD, "(Bad Extension) alexis@m2osw" },
     738             :     { TLD_RESULT_INVALID, "(Bad Extension) alexis@[m2osw..com]" },
     739             : 
     740             :     // end of list
     741             :     { TLD_RESULT_SUCCESS, nullptr }
     742             : };
     743             : 
     744           1 : void test_invalid_emails()
     745             : {
     746          67 :     for(const invalid_email *v(list_of_invalid_emails); v->f_input_email != nullptr; ++v)
     747             :     {
     748          66 :         if(verbose)
     749             :         {
     750           0 :             printf("+++ testing email \"%s\"\n", email_to_vstring(v->f_input_email).c_str());
     751             :         }
     752             : 
     753             :         // C++ test
     754             :         {
     755         132 :             tld_email_list list;
     756          66 :             tld_result r(list.parse(v->f_input_email, 0));
     757          66 :             if(r != v->f_result)
     758             :             {
     759           0 :                 std::stringstream ss;
     760           0 :                 ss << "error: unexpected return value. Got " << static_cast<int>(r) << ", expected " << static_cast<int>(v->f_result) << " for \"" << v->f_input_email << "\" (C++)";
     761           0 :                 error(ss.str());
     762             :             }
     763             :         }
     764             : 
     765             :         // C test
     766             :         {
     767             :             tld_email_list *list;
     768          66 :             list = tld_email_alloc();
     769          66 :             tld_result r = tld_email_parse(list, v->f_input_email, 0);
     770          66 :             if(r != v->f_result)
     771             :             {
     772           0 :                 std::stringstream ss;
     773           0 :                 ss << "error: unexpected return value. Got " << static_cast<int>(r) << ", expected " << static_cast<int>(v->f_result) << " for \"" << v->f_input_email << "\" (C)";
     774           0 :                 error(ss.str());
     775             :             }
     776          66 :             tld_email_free(list);
     777          66 :             list = nullptr;
     778             :         }
     779             :     }
     780           1 : }
     781             : 
     782             : 
     783           6 : void contract_furfilled(tld_email_list::tld_email_t & e)
     784             : {
     785          12 :     if(!e.f_group.empty()
     786           6 :     || !e.f_original_email.empty()
     787           6 :     || !e.f_fullname.empty()
     788           6 :     || !e.f_username.empty()
     789           6 :     || !e.f_domain.empty()
     790           6 :     || !e.f_email_only.empty()
     791          12 :     || !e.f_canonicalized_email.empty())
     792             :     {
     793           0 :         error("error: one of the structure parameters was modified on error!");
     794             :     }
     795           6 : }
     796             : 
     797             : 
     798           1 : void test_direct_email()
     799             : {
     800           2 :     tld_email_list::tld_email_t email;
     801             : 
     802             :     ////////////// EMAILS
     803             :     // missing closing \"
     804           2 :     EXPECTED_THROW(email.parse("\"blah alexis@m2osw.com"), std::logic_error);
     805           1 :     contract_furfilled(email);
     806             : 
     807             :     // missing closing )
     808           2 :     EXPECTED_THROW(email.parse("(comment alexis@m2osw.com"), std::logic_error);
     809           1 :     contract_furfilled(email);
     810             : 
     811             :     // use of \ at the end of the comment
     812           2 :     EXPECTED_THROW(email.parse("(comment\\"), std::logic_error);
     813           1 :     contract_furfilled(email);
     814             : 
     815             :     // missing closing ]
     816           2 :     EXPECTED_THROW(email.parse("alexis@[m2osw.com"), std::logic_error);
     817           1 :     contract_furfilled(email);
     818             : 
     819             :     ////////////// GROUP
     820             :     // missing closing )
     821           2 :     EXPECTED_THROW(email.parse_group("Group (comment"), std::logic_error);
     822           1 :     contract_furfilled(email);
     823             : 
     824             :     // use of \ at the end of the comment
     825           2 :     EXPECTED_THROW(email.parse_group("Group (comment \\"), std::logic_error);
     826           1 :     contract_furfilled(email);
     827           1 : }
     828             : 
     829             : 
     830             : 
     831             : /** \brief Structure used to define a set of fields to test.
     832             :  *
     833             :  * This structure is used in this test to define a list of fields
     834             :  * to test against the library.
     835             :  */
     836             : struct email_field_types
     837             : {
     838             :     const char *            f_field;
     839             :     tld_email_field_type    f_type;
     840             : };
     841             : 
     842             : /** \var email_field_types::f_field
     843             :  * \brief The name of the field to be tested.
     844             :  */
     845             : /** \var email_field_types::f_type
     846             :  * \brief The type we expect the library to return for that field.
     847             :  */
     848             : 
     849             : const email_field_types list_of_email_field_types[] =
     850             : {
     851             :     // make sure case does not have side effects
     852             :     { "to", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST },
     853             :     { "To", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST },
     854             :     { "tO", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST },
     855             :     { "TO", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST },
     856             : 
     857             :     // check all fields that are expected to include emails
     858             :     { "from", TLD_EMAIL_FIELD_TYPE_MAILBOX_LIST },
     859             :     { "resent-from", TLD_EMAIL_FIELD_TYPE_MAILBOX_LIST },
     860             :     { "sender", TLD_EMAIL_FIELD_TYPE_MAILBOX },
     861             :     { "resent-sender", TLD_EMAIL_FIELD_TYPE_MAILBOX },
     862             :     { "to", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST },
     863             :     { "cc", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST },
     864             :     { "reply-to", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST },
     865             :     { "resent-to", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST },
     866             :     { "resent-cc", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST },
     867             :     { "bcc", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST_OPT },
     868             :     { "resent-bcc", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST_OPT },
     869             : 
     870             :     // check all fields with a colon
     871             :     { "from: someone", TLD_EMAIL_FIELD_TYPE_MAILBOX_LIST },
     872             :     { "resent-from: someone", TLD_EMAIL_FIELD_TYPE_MAILBOX_LIST },
     873             :     { "sender: someone", TLD_EMAIL_FIELD_TYPE_MAILBOX },
     874             :     { "resent-sender: someone", TLD_EMAIL_FIELD_TYPE_MAILBOX },
     875             :     { "to: someone", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST },
     876             :     { "cc: someone", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST },
     877             :     { "reply-to: someone", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST },
     878             :     { "resent-to: someone", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST },
     879             :     { "resent-cc: someone", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST },
     880             :     { "bcc: someone", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST_OPT },
     881             :     { "resent-bcc: someone", TLD_EMAIL_FIELD_TYPE_ADDRESS_LIST_OPT },
     882             : 
     883             :     // check other fields
     884             :     { "message-id", TLD_EMAIL_FIELD_TYPE_UNKNOWN },
     885             :     { "date", TLD_EMAIL_FIELD_TYPE_UNKNOWN },
     886             :     { "subject", TLD_EMAIL_FIELD_TYPE_UNKNOWN },
     887             :     { "x-extension", TLD_EMAIL_FIELD_TYPE_UNKNOWN },
     888             : 
     889             :     // check other fields with a colon
     890             :     { "message-id: something", TLD_EMAIL_FIELD_TYPE_UNKNOWN },
     891             :     { "date: something", TLD_EMAIL_FIELD_TYPE_UNKNOWN },
     892             :     { "subject: something", TLD_EMAIL_FIELD_TYPE_UNKNOWN },
     893             :     { "x-extension: something", TLD_EMAIL_FIELD_TYPE_UNKNOWN },
     894             : 
     895             :     // check for invalid field names
     896             :     { "s\xfc\x62ject", TLD_EMAIL_FIELD_TYPE_INVALID },
     897             :     { "subj\xe9\x63t", TLD_EMAIL_FIELD_TYPE_INVALID },
     898             :     { "-bad-dash", TLD_EMAIL_FIELD_TYPE_INVALID },
     899             :     { "0bad-digit", TLD_EMAIL_FIELD_TYPE_INVALID },
     900             :     { "1bad-digit", TLD_EMAIL_FIELD_TYPE_INVALID },
     901             :     { "2bad-digit", TLD_EMAIL_FIELD_TYPE_INVALID },
     902             :     { "3bad-digit", TLD_EMAIL_FIELD_TYPE_INVALID },
     903             :     { "4bad-digit", TLD_EMAIL_FIELD_TYPE_INVALID },
     904             :     { "5bad-digit", TLD_EMAIL_FIELD_TYPE_INVALID },
     905             :     { "6bad-digit", TLD_EMAIL_FIELD_TYPE_INVALID },
     906             :     { "7bad-digit", TLD_EMAIL_FIELD_TYPE_INVALID },
     907             :     { "8bad-digit", TLD_EMAIL_FIELD_TYPE_INVALID },
     908             :     { "9bad-digit", TLD_EMAIL_FIELD_TYPE_INVALID },
     909             :     { "" /*empty*/, TLD_EMAIL_FIELD_TYPE_INVALID },
     910             : };
     911             : 
     912           1 : void test_email_field_types()
     913             : {
     914          49 :     for(size_t i(0); i < sizeof(list_of_email_field_types) / sizeof(list_of_email_field_types[0]); ++i)
     915             :     {
     916          48 :         tld_email_field_type type(tld_email_list::email_field_type(list_of_email_field_types[i].f_field));
     917          48 :         if(type != list_of_email_field_types[i].f_type)
     918             :         {
     919           0 :             std::stringstream ss;
     920           0 :             ss << "error: email type mismatch for \"" << list_of_email_field_types[i].f_field
     921           0 :                 << "\", expected " << static_cast<int>(list_of_email_field_types[i].f_type)
     922           0 :                 << ", got " << static_cast<int>(type) << " instead.";
     923           0 :             error(ss.str());
     924             :         }
     925             :     }
     926           1 : }
     927             : 
     928             : 
     929             : 
     930           1 : int main(int argc, char *argv[])
     931             : {
     932           1 :     printf("testing tld emails version %s\n", tld_version());
     933             : 
     934           1 :     if(argc > 1)
     935             :     {
     936           0 :         if(strcmp(argv[1], "-v") == 0)
     937             :         {
     938           0 :             verbose = 1;
     939             :         }
     940             :     }
     941             : 
     942             :     /* Call all the tests, one by one.
     943             :      *
     944             :      * Failures are "recorded" in the err_count global variable
     945             :      * and the process stops with an error message and exit(1)
     946             :      * if err_count is not zero.
     947             :      *
     948             :      * Exceptions that should not occur are expected to also
     949             :      * be caught and reported as errors.
     950             :      */
     951             :     try
     952             :     {
     953           1 :         test_valid_emails();
     954           1 :         test_invalid_emails();
     955           1 :         test_direct_email();
     956           1 :         test_email_field_types();
     957             :     }
     958           0 :     catch(const invalid_domain&)
     959             :     {
     960           0 :         error("error: caught an exception when all emails are expected to be valid.");
     961             :     }
     962             : 
     963           1 :     if(err_count)
     964             :     {
     965           0 :         fprintf(stderr, "%d error%s occured.\n",
     966           0 :                     err_count, err_count != 1 ? "s" : "");
     967             :     }
     968           1 :     exit(err_count ? 1 : 0);
     969             : }
     970             : 
     971             : /* vim: ts=4 sw=4 et
     972             :  */

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