libstdc++-v3/testsuite/28_regex/match_results/102667.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-timeout-factor 2 }
   3
   4 #include <regex>
   5 #include <testsuite_hooks.h>
   6
   7 void
   8 test01()
   9 {
  10   std::cmatch sm;
  11   VERIFY( sm.empty() );
  12   VERIFY( sm.size() == 0 );
  13   VERIFY( sm.begin() == sm.end() );  // PR libstdc++/83600
  14
  15   bool matched = std::regex_match("a", sm, std::regex("b"));
  16   VERIFY( ! matched );
  17   VERIFY( sm.ready() );
  18   VERIFY( sm.empty() );
  19   VERIFY( sm.size() == 0 );
  20   VERIFY( sm.begin() == sm.end() ); // PR libstdc++/102667
  21
  22   matched = std::regex_match("a", sm, std::regex("a"));
  23   VERIFY( matched );
  24   VERIFY( sm.ready() );
  25   VERIFY( ! sm.empty() );
  26   VERIFY( sm.size() == 1 );
  27   VERIFY( (sm.end() - sm.begin()) == 1 );
  28
  29   matched = std::regex_search("abcd", sm, std::regex("(b)(c)"));
  30   VERIFY( matched );
  31   VERIFY( sm.ready() );
  32   VERIFY( ! sm.empty() );
  33   VERIFY( sm.size() == 3 );
  34   VERIFY( (sm.end() - sm.begin()) == 3 );
  35 }
  36
  37 int main()
  38 {
  39   test01();
  40 }