include more problematic regexes

Author: cmazakas

test/issue232.cpp

@@ -10,10 +10,28 @@ void tester( char const (&str)[ N0 ] )
    std::vector<char> s(N, '\0');
    std::memcpy(s.data(), str, N);
    boost::regex rx(s.begin(), s.end());
-   boost::match_results<std::string::const_iterator> what;
-   std::string where(15, 'H');
-   bool match = boost::regex_match(where, what, rx, boost::match_default | boost::match_partial | boost::match_any | boost::match_perl);
-   (void) match;
+
+   std::vector<std::string> wheres;
+   wheres.push_back(std::string(15, 'H'));
+   wheres.push_back("");
+   wheres.push_back("                         ");
+
+   // Perl-style matching
+   for (auto const& where : wheres) {
+      boost::match_results<std::string::const_iterator> what;
+      bool match = boost::regex_match(where, what, rx, boost::match_default | boost::match_partial | boost::match_any | boost::match_perl);
+      (void) match;
+   }
+
+   // POSIX-style matching
+   for (auto const& where : wheres) {
+      try {
+         boost::match_results<std::string::const_iterator> what;
+         bool match = boost::regex_match(where, what, rx, boost::match_default | boost::match_partial | boost::match_any | boost::match_posix);
+         (void) match;
+      } catch(...) {}
+   }
+
 }
 
 int main()
@@ -22,9 +40,13 @@ int main()
    // we keep a simple human-readable version
    char const str1[] = "(Y(*COMMIT)|\\K\\D|.)+";
    char const str2[] = "(Y(*COMMIT){||\\K\\D|||||||||\\K|||ss|||||.|\232*(?(50)\027\0204657|H)\020}\031\000.* 6.'?-i)+[L??.\000\000\000\004\000\000\000\000?..<[\000\024R]*+";
+   char const str3[] = "(Y(*COMMIT)\xFF\x80|\\L\\K||||||||||.|||||\x84|||||\x00\x00\x10||||||.*  .'?-i)[L??...-i)[L??...[\x00\x14R]*+";
+   char const str4[] = "(Y(*COMMIT)\x96||.*  .*  .\\K|||\x9F||||\x9C|.|||||\x84\x99|||\x01\x00\x00\x00|||'?-i#PL\x00\x01.\x86??OMMIT)?...[\x00\x14R]*+";
 
    tester(str1);
    tester(str2);
+   tester(str3);
+   tester(str4);
 
    // prove that we catch certain impossible scenarios