ceph/src/boost/libs/core/test/sv_compare_test.cpp

   1 // Copyright 2021 Peter Dimov
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // https://www.boost.org/LICENSE_1_0.txt
   4
   5 #include <boost/core/detail/string_view.hpp>
   6 #include <boost/core/lightweight_test.hpp>
   7 #include <stdexcept>
   8 #include <cstddef>
   9
  10 int main()
  11 {
  12     std::size_t const npos = boost::core::string_view::npos;
  13
  14     {
  15         boost::core::string_view sv1( "" );
  16         boost::core::string_view sv2( "" );
  17
  18         BOOST_TEST_EQ( sv1.compare( sv2 ), 0 );
  19
  20         BOOST_TEST_EQ( sv1.compare( 0, 0, sv2 ), 0 );
  21         BOOST_TEST_EQ( sv1.compare( 0, 1, sv2 ), 0 );
  22
  23         BOOST_TEST_THROWS( sv1.compare( 1, 0, sv2 ), std::out_of_range );
  24         BOOST_TEST_THROWS( sv1.compare( 1, 1, sv2 ), std::out_of_range );
  25         BOOST_TEST_THROWS( sv1.compare( 1, npos, sv2 ), std::out_of_range );
  26
  27         BOOST_TEST_EQ( sv1.compare( 0, 0, sv2, 0, 0 ), 0 );
  28         BOOST_TEST_EQ( sv1.compare( 0, 1, sv2, 0, 1 ), 0 );
  29
  30         BOOST_TEST_THROWS( sv1.compare( 1, 0, sv2, 0, 0 ), std::out_of_range );
  31         BOOST_TEST_THROWS( sv1.compare( 1, 1, sv2, 0, 1 ), std::out_of_range );
  32
  33         BOOST_TEST_THROWS( sv1.compare( 0, 0, sv2, 1, 0 ), std::out_of_range );
  34         BOOST_TEST_THROWS( sv1.compare( 0, 1, sv2, 1, 1 ), std::out_of_range );
  35
  36         BOOST_TEST_EQ( sv1.compare( "" ), 0 );
  37         BOOST_TEST_LT( sv1.compare( "1" ), 0 );
  38
  39         BOOST_TEST_EQ( sv1.compare( 0, 0, "" ), 0 );
  40         BOOST_TEST_LT( sv1.compare( 0, 0, "1" ), 0 );
  41
  42         BOOST_TEST_EQ( sv1.compare( 0, 1, "" ), 0 );
  43         BOOST_TEST_LT( sv1.compare( 0, 1, "1" ), 0 );
  44
  45         BOOST_TEST_THROWS( sv1.compare( 1, 0, "" ), std::out_of_range );
  46         BOOST_TEST_THROWS( sv1.compare( 1, 1, "1" ), std::out_of_range );
  47
  48         BOOST_TEST_EQ( sv1.compare( 0, 0, "", 0 ), 0 );
  49         BOOST_TEST_EQ( sv1.compare( 0, 0, "1", 0 ), 0 );
  50         BOOST_TEST_LT( sv1.compare( 0, 0, "1", 1 ), 0 );
  51
  52         BOOST_TEST_EQ( sv1.compare( 0, 1, "", 0 ), 0 );
  53         BOOST_TEST_EQ( sv1.compare( 0, 1, "1", 0 ), 0 );
  54         BOOST_TEST_LT( sv1.compare( 0, 1, "1", 1 ), 0 );
  55
  56         BOOST_TEST_THROWS( sv1.compare( 1, 0, "", 0 ), std::out_of_range );
  57         BOOST_TEST_THROWS( sv1.compare( 1, 1, "1", 0 ), std::out_of_range );
  58         BOOST_TEST_THROWS( sv1.compare( 1, 1, "1", 1 ), std::out_of_range );
  59     }
  60
  61     {
  62         boost::core::string_view sv1( "123412345" );
  63         boost::core::string_view sv2( "1234" );
  64
  65         BOOST_TEST_GT( sv1.compare( sv2 ), 0 );
  66
  67         BOOST_TEST_LT( sv1.compare( 0, 3, sv2 ), 0 );
  68         BOOST_TEST_EQ( sv1.compare( 0, 4, sv2 ), 0 );
  69         BOOST_TEST_GT( sv1.compare( 0, 5, sv2 ), 0 );
  70         BOOST_TEST_GT( sv1.compare( 0, npos, sv2 ), 0 );
  71
  72         BOOST_TEST_LT( sv1.compare( 1, 0, sv2 ), 0 );
  73         BOOST_TEST_GT( sv1.compare( 1, 1, sv2 ), 0 );
  74
  75         BOOST_TEST_LT( sv1.compare( 4, 3, sv2 ), 0 );
  76         BOOST_TEST_EQ( sv1.compare( 4, 4, sv2 ), 0 );
  77         BOOST_TEST_GT( sv1.compare( 4, 5, sv2 ), 0 );
  78
  79         BOOST_TEST_LT( sv1.compare( 9, 0, sv2 ), 0 );
  80         BOOST_TEST_LT( sv1.compare( 9, 1, sv2 ), 0 );
  81
  82         BOOST_TEST_THROWS( sv1.compare( 10, 0, sv2 ), std::out_of_range );
  83         BOOST_TEST_THROWS( sv1.compare( 10, 1, sv2 ), std::out_of_range );
  84
  85         BOOST_TEST_GT( sv1.compare( 0, 3, sv2, 0, 2 ), 0 );
  86         BOOST_TEST_EQ( sv1.compare( 0, 3, sv2, 0, 3 ), 0 );
  87         BOOST_TEST_LT( sv1.compare( 0, 3, sv2, 0, 4 ), 0 );
  88         BOOST_TEST_LT( sv1.compare( 0, 3, sv2, 0, 5 ), 0 );
  89
  90         BOOST_TEST_GT( sv1.compare( 0, 4, sv2, 0, 3 ), 0 );
  91         BOOST_TEST_EQ( sv1.compare( 0, 4, sv2, 0, 4 ), 0 );
  92         BOOST_TEST_EQ( sv1.compare( 0, 4, sv2, 0, 5 ), 0 );
  93
  94         BOOST_TEST_LT( sv1.compare( 5, 2, sv2, 1, npos ), 0 );
  95         BOOST_TEST_EQ( sv1.compare( 5, 3, sv2, 1, npos ), 0 );
  96         BOOST_TEST_GT( sv1.compare( 5, 4, sv2, 1, npos ), 0 );
  97
  98         BOOST_TEST_EQ( sv1.compare( 9, 0, sv2, 0, 0 ), 0 );
  99         BOOST_TEST_LT( sv1.compare( 9, 1, sv2, 0, 1 ), 0 );
 100
 101         BOOST_TEST_THROWS( sv1.compare( 10, 0, sv2, 0, 0 ), std::out_of_range );
 102         BOOST_TEST_THROWS( sv1.compare( 10, 1, sv2, 0, 1 ), std::out_of_range );
 103
 104         BOOST_TEST_EQ( sv1.compare( 0, 0, sv2, 4, 0 ), 0 );
 105         BOOST_TEST_GT( sv1.compare( 0, 1, sv2, 4, 1 ), 0 );
 106
 107         BOOST_TEST_THROWS( sv1.compare( 0, 0, sv2, 5, 0 ), std::out_of_range );
 108         BOOST_TEST_THROWS( sv1.compare( 0, 1, sv2, 5, 1 ), std::out_of_range );
 109
 110         BOOST_TEST_GT( sv1.compare( "" ), 0 );
 111         BOOST_TEST_GT( sv1.compare( "12341234" ), 0 );
 112         BOOST_TEST_GT( sv1.compare( "123412344" ), 0 );
 113         BOOST_TEST_EQ( sv1.compare( "123412345" ), 0 );
 114         BOOST_TEST_LT( sv1.compare( "123412346" ), 0 );
 115         BOOST_TEST_LT( sv1.compare( "1234123456" ), 0 );
 116
 117         BOOST_TEST_GT( sv1.compare( 4, 3, "" ), 0 );
 118         BOOST_TEST_GT( sv1.compare( 4, 3, "1" ), 0 );
 119         BOOST_TEST_GT( sv1.compare( 4, 3, "12" ), 0 );
 120         BOOST_TEST_GT( sv1.compare( 4, 3, "122" ), 0 );
 121         BOOST_TEST_EQ( sv1.compare( 4, 3, "123" ), 0 );
 122         BOOST_TEST_LT( sv1.compare( 4, 3, "124" ), 0 );
 123         BOOST_TEST_LT( sv1.compare( 4, 3, "1234" ), 0 );
 124
 125         BOOST_TEST_EQ( sv1.compare( 9, 0, "" ), 0 );
 126         BOOST_TEST_LT( sv1.compare( 9, 1, "1" ), 0 );
 127
 128         BOOST_TEST_THROWS( sv1.compare( 10, 0, "" ), std::out_of_range );
 129         BOOST_TEST_THROWS( sv1.compare( 10, 1, "1" ), std::out_of_range );
 130
 131         BOOST_TEST_GT( sv1.compare( 4, npos, "123456", 4 ), 0 );
 132         BOOST_TEST_EQ( sv1.compare( 4, npos, "123456", 5 ), 0 );
 133         BOOST_TEST_LT( sv1.compare( 4, npos, "123456", 6 ), 0 );
 134
 135         BOOST_TEST_EQ( sv1.compare( 9, npos, "", 0 ), 0 );
 136         BOOST_TEST_EQ( sv1.compare( 9, npos, "1", 0 ), 0 );
 137         BOOST_TEST_LT( sv1.compare( 9, npos, "1", 1 ), 0 );
 138
 139         BOOST_TEST_THROWS( sv1.compare( 10, npos, "", 0 ), std::out_of_range );
 140         BOOST_TEST_THROWS( sv1.compare( 10, npos, "1", 0 ), std::out_of_range );
 141         BOOST_TEST_THROWS( sv1.compare( 10, npos, "1", 1 ), std::out_of_range );
 142     }
 143
 144     return boost::report_errors();
 145 }