// { dg-options "-std=gnu++17" } // Copyright (C) 2013-2019 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 // . // basic_string_view find namespace operations_find_1 { void test01() { typedef gdb::string_view::size_type csize_type; typedef gdb::string_view::const_reference cref; typedef gdb::string_view::reference ref; 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(const string_view&, size_type pos = 0) const; csz01 = str01.find(str01); VERIFY( csz01 == 0 ); csz01 = str01.find(str01, 4); VERIFY( csz01 == npos ); csz01 = str01.find(str02, 0); VERIFY( csz01 == 0 ); csz01 = str01.find(str02, 3); VERIFY( csz01 == npos ); csz01 = str01.find(str03, 0); VERIFY( csz01 == 8 ); csz01 = str01.find(str03, 3); VERIFY( csz01 == 8 ); csz01 = str01.find(str03, 12); VERIFY( csz01 == npos ); // An empty string_view consists of no characters // therefore it should be found at every point in a string_view, // except beyond the end csz01 = str01.find(str04, 0); VERIFY( csz01 == 0 ); csz01 = str01.find(str04, 5); VERIFY( csz01 == 5 ); csz01 = str01.find(str04, str01.size()); VERIFY( csz01 == str01.size() ); csz01 = str01.find(str04, str01.size()+1); VERIFY( csz01 == npos ); // size_type find(const char* s, size_type pos, size_type n) const; csz01 = str01.find(str_lit01, 0, 3); VERIFY( csz01 == 0 ); csz01 = str01.find(str_lit01, 3, 0); VERIFY( csz01 == 3 ); // size_type find(const char* s, size_type pos = 0) const; csz01 = str01.find(str_lit01); VERIFY( csz01 == 0 ); csz01 = str01.find(str_lit01, 3); VERIFY( csz01 == npos ); // size_type find(char c, size_type pos = 0) const; csz01 = str01.find('z'); csz02 = str01.size() - 1; VERIFY( csz01 == csz02 ); csz01 = str01.find('/'); VERIFY( csz01 == npos ); } #ifndef GDB_STRING_VIEW constexpr bool test02() { typedef std::string_view::size_type csize_type; typedef std::string_view::const_reference cref; typedef std::string_view::reference ref; 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(const string_view&, size_type pos = 0) const; csz01 = str01.find(str01); VERIFY( csz01 == 0 ); csz01 = str01.find(str01, 4); VERIFY( csz01 == npos ); csz01 = str01.find(str02, 0); VERIFY( csz01 == 0 ); csz01 = str01.find(str02, 3); VERIFY( csz01 == npos ); csz01 = str01.find(str03, 0); VERIFY( csz01 == 8 ); csz01 = str01.find(str03, 3); VERIFY( csz01 == 8 ); csz01 = str01.find(str03, 12); VERIFY( csz01 == npos ); // An empty string_view consists of no characters // therefore it should be found at every point in a string_view, // except beyond the end csz01 = str01.find(str04, 0); VERIFY( csz01 == 0 ); csz01 = str01.find(str04, 5); VERIFY( csz01 == 5 ); csz01 = str01.find(str04, str01.size()); VERIFY( csz01 == str01.size() ); csz01 = str01.find(str04, str01.size()+1); VERIFY( csz01 == npos ); // size_type find(const char* s, size_type pos, size_type n) const; csz01 = str01.find(str_lit01, 0, 3); VERIFY( csz01 == 0 ); csz01 = str01.find(str_lit01, 3, 0); VERIFY( csz01 == 3 ); // size_type find(const char* s, size_type pos = 0) const; csz01 = str01.find(str_lit01); VERIFY( csz01 == 0 ); csz01 = str01.find(str_lit01, 3); VERIFY( csz01 == npos ); // size_type find(char c, size_type pos = 0) const; csz01 = str01.find('z'); csz02 = str01.size() - 1; VERIFY( csz01 == csz02 ); csz01 = str01.find('/'); VERIFY( csz01 == npos ); return true; } #endif int main() { test01(); #ifndef GDB_STRING_VIEW static_assert( test02() ); #endif return 0; } } // namespace operations_find_1