Line data    Source code

       1             : // Copyright (c) 2015-2022  Made to Order Software Corp.  All Rights Reserved
       2             : //
       3             : // https://snapwebsites.org/project/csspp
       4             : // contact@m2osw.com
       5             : //
       6             : // This program is free software; you can redistribute it and/or modify
       7             : // it under the terms of the GNU General Public License as published by
       8             : // the Free Software Foundation; either version 2 of the License, or
       9             : // (at your option) any later version.
      10             : //
      11             : // This program is distributed in the hope that it will be useful,
      12             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14             : // GNU General Public License for more details.
      15             : //
      16             : // You should have received a copy of the GNU General Public License along
      17             : // with this program; if not, write to the Free Software Foundation, Inc.,
      18             : // 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
      19             : 
      20             : /** \file
      21             :  * \brief Test the nth_child.cpp file.
      22             :  *
      23             :  * This test runs a battery of tests agains the nth_child.cpp
      24             :  * implementation to ensure full coverage.
      25             :  */
      26             : 
      27             : // csspp
      28             : //
      29             : #include    "csspp/nth_child.h"
      30             : 
      31             : 
      32             : // self
      33             : //
      34             : #include    "catch_main.h"
      35             : 
      36             : 
      37             : // C++
      38             : //
      39             : #include    <sstream>
      40             : 
      41             : 
      42             : // last include
      43             : //
      44             : #include    <snapdev/poison.h>
      45             : 
      46             : 
      47             : 
      48             : 
      49             : namespace
      50             : {
      51             : 
      52             : 
      53             : } // no name namespace
      54             : 
      55             : 
      56           1 : CATCH_TEST_CASE("Nth child", "[nth-child] [constructors]")
      57             : {
      58             :     {
      59           1 :         csspp::nth_child a((4LL << 32) + 3);
      60           1 :         CATCH_REQUIRE(a.get_a() == 3);
      61           1 :         CATCH_REQUIRE(a.get_b() == 4);
      62           1 :         CATCH_REQUIRE(a.get_nth() == ((4LL << 32) + 3));
      63           1 :         CATCH_REQUIRE(a.get_error() == "");
      64           1 :         CATCH_REQUIRE(a.to_string() == "3n+4");
      65           1 :     }
      66             : 
      67             :     {
      68           1 :         csspp::nth_child a(3, 4);
      69           1 :         CATCH_REQUIRE(a.get_a() == 3);
      70           1 :         CATCH_REQUIRE(a.get_b() == 4);
      71           1 :         CATCH_REQUIRE(a.get_nth() == ((4LL << 32) + 3));
      72           1 :         CATCH_REQUIRE(a.get_error() == "");
      73           1 :         CATCH_REQUIRE(a.to_string() == "3n+4");
      74           1 :     }
      75             : 
      76             :     {
      77           3 :         csspp::nth_child a("3n+4");
      78           1 :         CATCH_REQUIRE(a.get_a() == 3);
      79           1 :         CATCH_REQUIRE(a.get_b() == 4);
      80           1 :         CATCH_REQUIRE(a.get_nth() == ((4LL << 32) + 3));
      81           1 :         CATCH_REQUIRE(a.get_error() == "");
      82           1 :         CATCH_REQUIRE(a.to_string() == "3n+4");
      83           1 :     }
      84             : 
      85             :     // no error left over
      86           1 :     VERIFY_ERRORS("");
      87           1 : }
      88             : 
      89           1 : CATCH_TEST_CASE("Simple nth child", "[nth-child] [basics]")
      90             : {
      91             :     {
      92           1 :         csspp::nth_child a(-3, 9);
      93           1 :         CATCH_REQUIRE(a.get_a() == -3);
      94           1 :         CATCH_REQUIRE(a.get_b() == 9);
      95           1 :         CATCH_REQUIRE(a.get_nth() == ((9LL << 32) + 0xFFFFFFFD));
      96           1 :         CATCH_REQUIRE(a.get_error() == "");
      97           1 :         CATCH_REQUIRE(a.to_string() == "-3n+9");
      98             : 
      99             :         // special cases
     100           1 :         a.parse("odd");
     101           1 :         CATCH_REQUIRE(a.get_a() == 2);
     102           1 :         CATCH_REQUIRE(a.get_b() == 1);
     103           1 :         CATCH_REQUIRE(a.get_nth() == ((1LL << 32) + 2));
     104           1 :         CATCH_REQUIRE(a.get_error() == "");
     105           1 :         CATCH_REQUIRE(a.to_string() == "odd");
     106             : 
     107           1 :         a.parse("even");
     108           1 :         CATCH_REQUIRE(a.get_a() == 2);
     109           1 :         CATCH_REQUIRE(a.get_b() == 0);
     110           1 :         CATCH_REQUIRE(a.get_nth() == ((0LL << 32) + 2));
     111           1 :         CATCH_REQUIRE(a.get_error() == "");
     112           1 :         CATCH_REQUIRE(a.to_string() == "2n");
     113           1 :     }
     114             : 
     115             :     {
     116           1 :         csspp::nth_child a(3, 4);
     117           1 :         CATCH_REQUIRE(a.get_a() == 3);
     118           1 :         CATCH_REQUIRE(a.get_b() == 4);
     119           1 :         CATCH_REQUIRE(a.get_nth() == ((4LL << 32) + 3));
     120           1 :         CATCH_REQUIRE(a.get_error() == "");
     121           1 :         CATCH_REQUIRE(a.to_string() == "3n+4");
     122             : 
     123           1 :         std::string expected;
     124         202 :         for(int i(-100); i <= 100; ++i)
     125             :         {
     126       40602 :             for(int j(-100); j <= 100; ++j)
     127             :             {
     128       40401 :                 a.set_a(i);
     129       40401 :                 a.set_b(j);
     130             : 
     131       40401 :                 CATCH_REQUIRE(a.get_a() == i);
     132       40401 :                 CATCH_REQUIRE(a.get_b() == j);
     133       40401 :                 CATCH_REQUIRE(a.get_nth() == ((static_cast<csspp::integer_t>(j) << 32) + (i & 0xFFFFFFFF)));
     134       40401 :                 CATCH_REQUIRE(a.get_error() == "");
     135       40401 :                 if(i == 2 && j == 1)
     136             :                 {
     137           1 :                     expected = "odd";
     138             :                 }
     139       40400 :                 else if(i == 0)
     140             :                 {
     141         201 :                     expected = std::to_string(j);
     142             :                 }
     143       40199 :                 else if(j == 0)
     144             :                 {
     145         200 :                     expected = std::to_string(i) + "n";
     146             :                 }
     147             :                 else
     148             :                 {
     149       39999 :                     expected = std::to_string(i) + "n" + (j >= 0 ? "+" : "") + std::to_string(j);
     150             :                 }
     151       40401 :                 CATCH_REQUIRE(a.to_string() == expected);
     152             : 
     153             :                 // try all combos with spaces
     154     2626065 :                 for(int k(0); k < (1 << 6); ++k)
     155             :                 {
     156     5171328 :                     a.parse(
     157     5171328 :                               std::string((k & (1 << 0)) ? " " : "")
     158     7756992 :                             + (i >= 0 ? (rand() % 5 == 0 ? "+" : "") : "-")
     159     7756992 :                             + ((k & (1 << 1)) ? " " : "")
     160    10342656 :                             + std::to_string(abs(i))
     161     7756992 :                             + ((k & (1 << 2)) ? " " : "")  // this one should be illegal, we may enforce it later
     162     7756992 :                             + "n"
     163     7756992 :                             + ((k & (1 << 3)) ? " " : "")
     164     7756992 :                             + (j >= 0 ? "+" : "-")
     165     7756992 :                             + ((k & (1 << 4)) ? " " : "")
     166    10342656 :                             + std::to_string(abs(j))
     167     7756992 :                             + ((k & (1 << 5)) ? " " : "")
     168             :                         );
     169             : 
     170     2585664 :                     CATCH_REQUIRE(a.get_a() == i);
     171     2585664 :                     CATCH_REQUIRE(a.get_b() == j);
     172     2585664 :                     CATCH_REQUIRE(a.get_nth() == ((static_cast<csspp::integer_t>(j) << 32) + (i & 0xFFFFFFFF)));
     173     2585664 :                     CATCH_REQUIRE(a.get_error() == "");
     174     2585664 :                     CATCH_REQUIRE(a.to_string() == expected);
     175             :                 }
     176             : 
     177       40401 :                 if(i == 0)
     178             :                 {
     179        1809 :                     for(int k(0); k < (1 << 3); ++k)
     180             :                     {
     181        3216 :                         a.parse(
     182        3216 :                                   std::string((k & (1 << 0)) ? " " : "")
     183        4824 :                                 + (j >= 0 ? (rand() % 5 <= 2 ? "+" : "") : "-")
     184        4824 :                                 + ((k & (1 << 1)) ? " " : "")
     185        6432 :                                 + std::to_string(abs(j))
     186        4824 :                                 + ((k & (1 << 2)) ? " " : "")
     187             :                             );
     188             : 
     189        1608 :                         CATCH_REQUIRE(a.get_a() == i);
     190        1608 :                         CATCH_REQUIRE(a.get_b() == j);
     191        1608 :                         CATCH_REQUIRE(a.get_nth() == ((static_cast<csspp::integer_t>(j) << 32) + (i & 0xFFFFFFFF)));
     192        1608 :                         CATCH_REQUIRE(a.get_error() == "");
     193        1608 :                         CATCH_REQUIRE(a.to_string() == expected);
     194             :                     }
     195             :                 }
     196             :             }
     197             :         }
     198           1 :     }
     199             : 
     200             :     // no error left over
     201           1 :     VERIFY_ERRORS("");
     202           1 : }
     203             : 
     204           1 : CATCH_TEST_CASE("Invalid nth child", "[nth-child] [invalid]")
     205             : {
     206             :     {
     207           1 :         csspp::nth_child a(5, 3);
     208           1 :         CATCH_REQUIRE(a.get_a() == 5);
     209           1 :         CATCH_REQUIRE(a.get_b() == 3);
     210           1 :         CATCH_REQUIRE(a.get_nth() == ((3LL << 32) + 5));
     211           1 :         CATCH_REQUIRE(a.get_error() == "");
     212           1 :         CATCH_REQUIRE(a.to_string() == "5n+3");
     213             : 
     214           1 :         CATCH_REQUIRE_FALSE(a.parse("random"));
     215           1 :         CATCH_REQUIRE(a.get_error() == "In an An+B expression, we expect an optional signed followed by a number or 'even' or 'odd'.");
     216             : 
     217           1 :         CATCH_REQUIRE_FALSE(a.parse("electric"));
     218           1 :         CATCH_REQUIRE(a.get_error() == "In an An+B expression, we expect an optional signed followed by a number or 'even' or 'odd'.");
     219             : 
     220           1 :         CATCH_REQUIRE_FALSE(a.parse("even3"));
     221           1 :         CATCH_REQUIRE(a.get_error() == "'even' cannot be followed by anything else in an An+B expression.");
     222             : 
     223           1 :         CATCH_REQUIRE_FALSE(a.parse("odor"));
     224           1 :         CATCH_REQUIRE(a.get_error() == "In an An+B expression, we expect an optional signed followed by a number or 'even' or 'odd'.");
     225             : 
     226           1 :         CATCH_REQUIRE_FALSE(a.parse("odd+3"));
     227           1 :         CATCH_REQUIRE(a.get_error() == "'odd' cannot be followed by anything else in an An+B expression.");
     228             : 
     229           1 :         CATCH_REQUIRE_FALSE(a.parse("++5"));
     230           1 :         CATCH_REQUIRE(a.get_error() == "In an An+B expression, we expect an optional signed followed by a number or 'even' or 'odd'.");
     231             : 
     232           1 :         CATCH_REQUIRE_FALSE(a.parse("--5"));
     233           1 :         CATCH_REQUIRE(a.get_error() == "In an An+B expression, we expect an optional signed followed by a number or 'even' or 'odd'.");
     234             : 
     235           1 :         CATCH_REQUIRE_FALSE(a.parse("5+3"));
     236           1 :         CATCH_REQUIRE(a.get_error() == "The first number has to be followed by the 'n' character.");
     237             : 
     238           1 :         CATCH_REQUIRE_FALSE(a.parse("5n3"));
     239           1 :         CATCH_REQUIRE(a.get_error() == "A sign (+ or -) is expected between the 'An' and the 'B' parts in 'An+B'.");
     240             : 
     241           1 :         CATCH_REQUIRE_FALSE(a.parse("5n+odd"));
     242           1 :         CATCH_REQUIRE(a.get_error() == "The value B must be a valid integer in 'An+B'.");
     243             : 
     244           1 :         CATCH_REQUIRE_FALSE(a.parse("5n+even"));
     245           1 :         CATCH_REQUIRE(a.get_error() == "The value B must be a valid integer in 'An+B'.");
     246             : 
     247           1 :         CATCH_REQUIRE_FALSE(a.parse("5n++"));
     248           1 :         CATCH_REQUIRE(a.get_error() == "The value B must be a valid integer in 'An+B'.");
     249             : 
     250           1 :         CATCH_REQUIRE_FALSE(a.parse("5n-+"));
     251           1 :         CATCH_REQUIRE(a.get_error() == "The value B must be a valid integer in 'An+B'.");
     252             : 
     253           1 :         CATCH_REQUIRE_FALSE(a.parse("5n+-"));
     254           1 :         CATCH_REQUIRE(a.get_error() == "The value B must be a valid integer in 'An+B'.");
     255             : 
     256           1 :         CATCH_REQUIRE_FALSE(a.parse("5n--"));
     257           1 :         CATCH_REQUIRE(a.get_error() == "The value B must be a valid integer in 'An+B'.");
     258             : 
     259           1 :         CATCH_REQUIRE_FALSE(a.parse("5n-3odd"));
     260           1 :         CATCH_REQUIRE(a.get_error() == "An 'An+B' expression cannot be followed by anything else.");
     261             : 
     262           1 :         CATCH_REQUIRE_FALSE(a.parse("5n-3even"));
     263           1 :         CATCH_REQUIRE(a.get_error() == "An 'An+B' expression cannot be followed by anything else.");
     264             : 
     265           1 :         CATCH_REQUIRE_FALSE(a.parse("5n-3+"));
     266           1 :         CATCH_REQUIRE(a.get_error() == "An 'An+B' expression cannot be followed by anything else.");
     267             : 
     268           1 :         CATCH_REQUIRE_FALSE(a.parse("5n-3-"));
     269           1 :         CATCH_REQUIRE(a.get_error() == "An 'An+B' expression cannot be followed by anything else.");
     270             : 
     271           1 :         CATCH_REQUIRE_FALSE(a.parse("5n-3 3"));
     272           1 :         CATCH_REQUIRE(a.get_error() == "An 'An+B' expression cannot be followed by anything else.");
     273             : 
     274           1 :         CATCH_REQUIRE_FALSE(a.parse("5n-3n"));
     275           1 :         CATCH_REQUIRE(a.get_error() == "An 'An+B' expression cannot be followed by anything else.");
     276           1 :     }
     277             : 
     278             :     // no error left over
     279           1 :     VERIFY_ERRORS("");
     280           1 : }
     281             : 
     282             : // vim: ts=4 sw=4 et