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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [libstdc++-v3/] [testsuite/] [21_strings/] [char_traits/] [requirements/] [wchar_t/] [1.cc] - Rev 424
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// 1999-06-03 bkoz // Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2009 // 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/>. // 21.1.1 Characher traits requirements #include <string> #include <testsuite_hooks.h> void test02(void) { bool test __attribute__((unused)) = true; const std::wstring str_01(L"zuma beach"); const std::wstring str_02(L"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(wchar_t c, wchar_t d) // assigns c = d; wchar_t c1 = L'z'; wchar_t c2 = L'u'; VERIFY( c1 != c2 ); std::char_traits<wchar_t>::assign(c1,c2); VERIFY( c1 == L'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. wchar_t array1[] = {L'z', L'u', L'm', L'a', L' ', L'b', L'e', L'a', L'c', L'h', 0}; const wchar_t str_lit1[] = L"montara and ocean beach"; const wchar_t str_lit2[] = L"boracay, philippines"; const int len1 = sizeof(str_lit1)/sizeof(wchar_t); const int len2 = sizeof(str_lit2)/sizeof(wchar_t); wchar_t array2[len1 + len2 - 1]; // two terminating chars std::char_traits<wchar_t>::copy(array2, str_lit2, len2); VERIFY( str_lit1[0] == 'm' ); c1 = array2[0]; c2 = str_lit1[0]; wchar_t c3 = array2[1]; wchar_t c4 = str_lit1[1]; std::char_traits<wchar_t>::move(array2, str_lit1, 0); VERIFY( array2[0] == c1 ); VERIFY( str_lit1[0] == c2 ); std::char_traits<wchar_t>::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<wchar_t>::move(array2, str_lit1, 2); VERIFY( array2[0] == c2 ); VERIFY( str_lit1[0] == c2 ); VERIFY( array2[1] == c4 ); VERIFY( str_lit1[1] == c4 ); wchar_t* pc1 = array1 + 1; c1 = pc1[0]; c2 = array1[0]; VERIFY( c1 != c2 ); wchar_t* pc2 = std::char_traits<wchar_t>::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]; wchar_t* pc3 = pc1; pc2 = std::char_traits<wchar_t>::move(array1, pc1, 10); c3 = pc1[0]; c4 = array1[0]; VERIFY( c1 != c3 ); // underlying wchar_t 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() { test02(); return 0; }
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