libcxx/test/std/strings/string.view/string.view.comparison/opge.string_view.string.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <string>
  10
  11 // template<class charT, class traits, class Allocator>
  12 //   bool operator>=(const basic_string<charT,traits,Allocator>& lhs,
  13 //                   basic_string_view<charT,traits> rhs);
  14 //   bool operator>=(basic_string_view<charT,traits> lhs,
  15 //            const basic_string<charT,traits,Allocator>&  rhs);
  16
  17 #include <string_view>
  18 #include <cassert>
  19
  20 #include "test_macros.h"
  21
  22 template <class S>
  23 void
  24 test(const S& lhs, const typename S::value_type* rhs, bool x, bool y)
  25 {
  26     assert((lhs >= rhs) == x);
  27     assert((rhs >= lhs) == y);
  28 }
  29
  30 int main(int, char**)
  31 {
  32     {
  33     typedef std::string_view S;
  34     test(S(""), "", true, true);
  35     test(S(""), "abcde", false, true);
  36     test(S(""), "abcdefghij", false, true);
  37     test(S(""), "abcdefghijklmnopqrst", false, true);
  38     test(S("abcde"), "", true, false);
  39     test(S("abcde"), "abcde", true, true);
  40     test(S("abcde"), "abcdefghij", false, true);
  41     test(S("abcde"), "abcdefghijklmnopqrst", false, true);
  42     test(S("abcdefghij"), "", true, false);
  43     test(S("abcdefghij"), "abcde", true, false);
  44     test(S("abcdefghij"), "abcdefghij", true, true);
  45     test(S("abcdefghij"), "abcdefghijklmnopqrst", false, true);
  46     test(S("abcdefghijklmnopqrst"), "", true, false);
  47     test(S("abcdefghijklmnopqrst"), "abcde", true, false);
  48     test(S("abcdefghijklmnopqrst"), "abcdefghij", true, false);
  49     test(S("abcdefghijklmnopqrst"), "abcdefghijklmnopqrst", true, true);
  50     }
  51
  52   return 0;
  53 }