libstdc++-v3/testsuite/experimental/string_view/operations/find/char/2.cc

   1 // { dg-options "-std=gnu++1y" }
   2
   3 // Copyright (C) 2013 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // basic_string_view find_first_of
  21
  22 #include <experimental/string_view>
  23 #include <testsuite_hooks.h>
  24
  25 bool
  26 test02()
  27 {
  28   bool test [[gnu::unused]] = true;
  29
  30   typedef std::experimental::string_view::size_type csize_type;
  31   csize_type npos = std::experimental::string_view::npos;
  32   csize_type csz01, csz02;
  33
  34   const char str_lit01[] = "mave";
  35   const std::experimental::string_view str01("mavericks, santa cruz");
  36   std::experimental::string_view str02(str_lit01);
  37   std::experimental::string_view str03("s, s");
  38   std::experimental::string_view str04;
  39
  40   // size_type find_first_of(const string_view&, size_type pos = 0) const;
  41   std::experimental::string_view str05("xena rulez");
  42   csz01 = str01.find_first_of(str01);
  43   VERIFY( csz01 == 0 );
  44   csz01 = str01.find_first_of(str01, 4);
  45   VERIFY( csz01 == 4 );
  46   csz01 = str01.find_first_of(str02, 0);
  47   VERIFY( csz01 == 0 );
  48   csz01 = str01.find_first_of(str02, 3);
  49   VERIFY( csz01 == 3 );
  50   csz01 = str01.find_first_of(str03, 0);
  51   VERIFY( csz01 == 8 );
  52   csz01 = str01.find_first_of(str03, 3);
  53   VERIFY( csz01 == 8 );
  54   csz01 = str01.find_first_of(str03, 12);
  55   VERIFY( csz01 == 16 );
  56   csz01 = str01.find_first_of(str05, 0);
  57   VERIFY( csz01 == 1 );
  58   csz01 = str01.find_first_of(str05, 4);
  59   VERIFY( csz01 == 4 );
  60
  61   // An empty string_view consists of no characters
  62   // therefore it should be found at every point in a string_view,
  63   // except beyond the end
  64   // However, str1.find_first_of(str2,pos) finds the first character in
  65   // str1 (starting at pos) that exists in str2, which is none for empty str2
  66   csz01 = str01.find_first_of(str04, 0);
  67   VERIFY( csz01 == npos );
  68   csz01 = str01.find_first_of(str04, 5);
  69   VERIFY( csz01 == npos );
  70
  71   // size_type find_first_of(const char* s, size_type pos, size_type n) const;
  72   csz01 = str01.find_first_of(str_lit01, 0, 3);
  73   VERIFY( csz01 == 0 );
  74   csz01 = str01.find_first_of(str_lit01, 3, 0);
  75   VERIFY( csz01 == npos );
  76
  77   // size_type find_first_of(const char* s, size_type pos = 0) const;
  78   csz01 = str01.find_first_of(str_lit01);
  79   VERIFY( csz01 == 0 );
  80   csz01 = str01.find_first_of(str_lit01, 3);
  81   VERIFY( csz01 == 3 );
  82
  83   // size_type find_first_of(char c, size_type pos = 0) const;
  84   csz01 = str01.find_first_of('z');
  85   csz02 = str01.size() - 1;
  86   VERIFY( csz01 == csz02 );
  87
  88   return test;
  89 }
  90
  91 int
  92 main()
  93 {
  94   test02();
  95
  96   return 0;
  97 }