libstdc++-v3/testsuite/28_regex/algorithms/regex_search/ecma/greedy.cc

   1 // { dg-options "-std=gnu++11" }
   2
   3 //
   4 // 2013-09-14  Tim Shen <timshen91@gmail.com>
   5 //
   6 // Copyright (C) 2013-2016 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13 //
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18 //
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 // 28.11.3 regex_search
  24 // Tests ECMAScript greedy and ungreedy quantifiers.
  25
  26 #include <regex>
  27 #include <testsuite_hooks.h>
  28 #include <testsuite_regex.h>
  29
  30 using namespace __gnu_test;
  31 using namespace std;
  32
  33 void
  34 test01()
  35 {
  36   bool test __attribute__((unused)) = true;
  37
  38   cmatch m;
  39 #define TEST(i, s) VERIFY(m[i].matched && string(m[i].first, m[i].second) == s)
  40   VERIFY(regex_search_debug("aaaa", m, regex("a*")));
  41   TEST(0, "aaaa");
  42   VERIFY(regex_search_debug("aaaa", m, regex("a*?")));
  43   TEST(0, "");
  44   VERIFY(regex_search_debug("aaaa", m, regex("a+")));
  45   TEST(0, "aaaa");
  46   VERIFY(regex_search_debug("aaaa", m, regex("a+?")));
  47   TEST(0, "a");
  48   VERIFY(regex_search_debug("a", m, regex("a?")));
  49   TEST(0, "a");
  50   VERIFY(regex_search_debug("a", m, regex("a??")));
  51   TEST(0, "");
  52   VERIFY(regex_search_debug("", m, regex("a??")));
  53   TEST(0, "");
  54   VERIFY(regex_search_debug("aaaa", m, regex("(a+)(a+)")));
  55   TEST(1, "aaa");
  56   TEST(2, "a");
  57   VERIFY(regex_search_debug("aaaa", m, regex("(a+)(a+?)")));
  58   TEST(1, "aaa");
  59   TEST(2, "a");
  60   VERIFY(regex_search_debug("aaaa", m, regex("(a+?)(a+)")));
  61   TEST(1, "a");
  62   TEST(2, "aaa");
  63   VERIFY(regex_search_debug("aaaa", m, regex("(a+?)(a+?)")));
  64   TEST(1, "a");
  65   TEST(2, "a");
  66 }
  67
  68 int
  69 main()
  70 {
  71   test01();
  72   return 0;
  73 }