| // { dg-options "-std=gnu++17" } |
| |
| // Copyright (C) 2013-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // basic_string_view find_first_of |
| |
| namespace operations_find_2 { |
| |
| static void |
| test02 () |
| { |
| typedef gdb::string_view::size_type csize_type; |
| csize_type npos = gdb::string_view::npos; |
| csize_type csz01, csz02; |
| |
| const char str_lit01[] = "mave"; |
| const gdb::string_view str01("mavericks, santa cruz"); |
| gdb::string_view str02(str_lit01); |
| gdb::string_view str03("s, s"); |
| gdb::string_view str04; |
| |
| // size_type find_first_of(const string_view&, size_type pos = 0) const; |
| gdb::string_view str05("xena rulez"); |
| csz01 = str01.find_first_of(str01); |
| VERIFY( csz01 == 0 ); |
| csz01 = str01.find_first_of(str01, 4); |
| VERIFY( csz01 == 4 ); |
| csz01 = str01.find_first_of(str02, 0); |
| VERIFY( csz01 == 0 ); |
| csz01 = str01.find_first_of(str02, 3); |
| VERIFY( csz01 == 3 ); |
| csz01 = str01.find_first_of(str03, 0); |
| VERIFY( csz01 == 8 ); |
| csz01 = str01.find_first_of(str03, 3); |
| VERIFY( csz01 == 8 ); |
| csz01 = str01.find_first_of(str03, 12); |
| VERIFY( csz01 == 16 ); |
| csz01 = str01.find_first_of(str05, 0); |
| VERIFY( csz01 == 1 ); |
| csz01 = str01.find_first_of(str05, 4); |
| VERIFY( csz01 == 4 ); |
| |
| // An empty string_view consists of no characters |
| // therefore it should be found at every point in a string_view, |
| // except beyond the end |
| // However, str1.find_first_of(str2,pos) finds the first character in |
| // str1 (starting at pos) that exists in str2, which is none for empty str2 |
| csz01 = str01.find_first_of(str04, 0); |
| VERIFY( csz01 == npos ); |
| csz01 = str01.find_first_of(str04, 5); |
| VERIFY( csz01 == npos ); |
| |
| // size_type find_first_of(const char* s, size_type pos, size_type n) const; |
| csz01 = str01.find_first_of(str_lit01, 0, 3); |
| VERIFY( csz01 == 0 ); |
| csz01 = str01.find_first_of(str_lit01, 3, 0); |
| VERIFY( csz01 == npos ); |
| |
| // size_type find_first_of(const char* s, size_type pos = 0) const; |
| csz01 = str01.find_first_of(str_lit01); |
| VERIFY( csz01 == 0 ); |
| csz01 = str01.find_first_of(str_lit01, 3); |
| VERIFY( csz01 == 3 ); |
| |
| // size_type find_first_of(char c, size_type pos = 0) const; |
| csz01 = str01.find_first_of('z'); |
| csz02 = str01.size() - 1; |
| VERIFY( csz01 == csz02 ); |
| } |
| |
| #ifndef GDB_STRING_VIEW |
| constexpr bool |
| test03() |
| { |
| typedef std::string_view::size_type csize_type; |
| csize_type npos = std::string_view::npos; |
| csize_type csz01 = 0, csz02 = 0; |
| |
| const char str_lit01[] = "mave"; |
| const std::string_view str01("mavericks, santa cruz"); |
| std::string_view str02(str_lit01); |
| std::string_view str03("s, s"); |
| std::string_view str04; |
| |
| #undef VERIFY |
| #define VERIFY(x) if(!(x)) return false |
| |
| // size_type find_first_of(const string_view&, size_type pos = 0) const; |
| std::string_view str05("xena rulez"); |
| csz01 = str01.find_first_of(str01); |
| VERIFY( csz01 == 0 ); |
| csz01 = str01.find_first_of(str01, 4); |
| VERIFY( csz01 == 4 ); |
| csz01 = str01.find_first_of(str02, 0); |
| VERIFY( csz01 == 0 ); |
| csz01 = str01.find_first_of(str02, 3); |
| VERIFY( csz01 == 3 ); |
| csz01 = str01.find_first_of(str03, 0); |
| VERIFY( csz01 == 8 ); |
| csz01 = str01.find_first_of(str03, 3); |
| VERIFY( csz01 == 8 ); |
| csz01 = str01.find_first_of(str03, 12); |
| VERIFY( csz01 == 16 ); |
| csz01 = str01.find_first_of(str05, 0); |
| VERIFY( csz01 == 1 ); |
| csz01 = str01.find_first_of(str05, 4); |
| VERIFY( csz01 == 4 ); |
| |
| // An empty string_view consists of no characters |
| // therefore it should be found at every point in a string_view, |
| // except beyond the end |
| // However, str1.find_first_of(str2,pos) finds the first character in |
| // str1 (starting at pos) that exists in str2, which is none for empty str2 |
| csz01 = str01.find_first_of(str04, 0); |
| VERIFY( csz01 == npos ); |
| csz01 = str01.find_first_of(str04, 5); |
| VERIFY( csz01 == npos ); |
| |
| // size_type find_first_of(const char* s, size_type pos, size_type n) const; |
| csz01 = str01.find_first_of(str_lit01, 0, 3); |
| VERIFY( csz01 == 0 ); |
| csz01 = str01.find_first_of(str_lit01, 3, 0); |
| VERIFY( csz01 == npos ); |
| |
| // size_type find_first_of(const char* s, size_type pos = 0) const; |
| csz01 = str01.find_first_of(str_lit01); |
| VERIFY( csz01 == 0 ); |
| csz01 = str01.find_first_of(str_lit01, 3); |
| VERIFY( csz01 == 3 ); |
| |
| // size_type find_first_of(char c, size_type pos = 0) const; |
| csz01 = str01.find_first_of('z'); |
| csz02 = str01.size() - 1; |
| VERIFY( csz01 == csz02 ); |
| |
| return true; |
| } |
| #endif |
| |
| static int |
| main () |
| { |
| test02(); |
| #ifndef GDB_STRING_VIEW |
| static_assert( test03() ); |
| #endif |
| |
| return 0; |
| } |
| |
| } // namespace operations_find_2 { |