| // 1999-06-03 bkoz |
| |
| // Copyright (C) 1999, 2000, 2001, 2003, 2004 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 2, 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 COPYING. If not, write to the Free |
| // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| // USA. |
| |
| // 21.1.1 Characher traits requirements |
| |
| #include <string> |
| #include <testsuite_hooks.h> |
| |
| void test01(void) |
| { |
| bool test __attribute__((unused)) = true; |
| const std::string str_01("zuma beach"); |
| const std::string str_02("montara and ocean beach"); |
| |
| // 21.1.1 character traits requirements |
| |
| // Key for decoding what function signatures really mean: |
| // X == char_traits<_CharT> |
| // [c,d] == _CharT |
| // [p,q] == const _CharT* |
| // s == _CharT* |
| // [n,i,j] == size_t |
| // f == X::int_type |
| // pos == X::pos_type |
| // state == X::state_type |
| |
| // void X::assign(char c, char d) |
| // assigns c = d; |
| char c1 = 'z'; |
| char c2 = 'u'; |
| VERIFY( c1 != c2 ); |
| std::char_traits<char>::assign(c1,c2); |
| VERIFY( c1 == 'u' ); |
| |
| // char* X::move(char* s, const char* p, size_t n) |
| // for each i in [0,n) performs X::assign(s[i], p[i]). Copies |
| // correctly even where p is in [s, s + n), and yields s. |
| char array1[] = {'z', 'u', 'm', 'a', ' ', 'b', 'e', 'a', 'c', 'h', 0}; |
| const char str_lit1[] = "montara and ocean beach"; |
| int len = sizeof(str_lit1) + sizeof(array1) - 1; // two terminating chars |
| char array2[len]; |
| std::char_traits<char>::copy(array2, "boracay, philippines", len); |
| |
| VERIFY( str_lit1[0] == 'm' ); |
| c1 = array2[0]; |
| c2 = str_lit1[0]; |
| char c3 = array2[1]; |
| char c4 = str_lit1[1]; |
| std::char_traits<char>::move(array2, str_lit1, 0); |
| VERIFY( array2[0] == c1 ); |
| VERIFY( str_lit1[0] == c2 ); |
| std::char_traits<char>::move(array2, str_lit1, 1); |
| VERIFY( array2[0] == c2 ); |
| VERIFY( str_lit1[0] == c2 ); |
| VERIFY( array2[1] == c3 ); |
| VERIFY( str_lit1[1] == c4 ); |
| std::char_traits<char>::move(array2, str_lit1, 2); |
| VERIFY( array2[0] == c2 ); |
| VERIFY( str_lit1[0] == c2 ); |
| VERIFY( array2[1] == c4 ); |
| VERIFY( str_lit1[1] == c4 ); |
| |
| char* pc1 = array1 + 1; |
| c1 = pc1[0]; |
| c2 = array1[0]; |
| VERIFY( c1 != c2 ); |
| char* pc2 = std::char_traits<char>::move(array1, pc1, 0); |
| c3 = pc1[0]; |
| c4 = array1[0]; |
| VERIFY( c1 == c3 ); |
| VERIFY( c2 == c4 ); |
| VERIFY( pc2 == array1 ); |
| |
| c1 = pc1[0]; |
| c2 = array1[0]; |
| char* pc3 = pc1; |
| pc2 = std::char_traits<char>::move(array1, pc1, 10); |
| c3 = pc1[0]; |
| c4 = array1[0]; |
| VERIFY( c1 != c3 ); // underlying char array changed. |
| VERIFY( c4 != c3 ); |
| VERIFY( pc2 == array1 ); |
| VERIFY( pc3 == pc1 ); // but pointers o-tay |
| c1 = *(str_01.data()); |
| c2 = array1[0]; |
| VERIFY( c1 != c2 ); |
| } |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |