2000-04-21 22:33:34 +02:00
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// 1999-06-03 bkoz
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2000-05-09 03:15:14 +02:00
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// Copyright (C) 1999, 2000 Free Software Foundation, Inc.
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2000-04-21 22:33:34 +02:00
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// 21.1 Characher traits
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#include <string>
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2000-08-14 21:59:26 +02:00
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#include <debug_assert.h>
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int test01(void)
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{
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bool test = true;
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const std::string str_01("zuma beach");
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const std::string str_02("montara and ocean beach");
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// 21.1.1 character traits requirements
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// Key for decoding what function signatures really mean:
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// X == char_traits<_CharT>
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// [c,d] == _CharT
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// [p,q] == const _CharT*
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// s == _CharT*
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// [n,i,j] == size_t
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// f == X::int_type
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// pos == X::pos_type
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// state == X::state_type
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// void X::assign(char c, char d)
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// assigns c = d;
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char c1 = 'z';
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char c2 = 'u';
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VERIFY( c1 != c2 );
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std::char_traits<char>::assign(c1,c2);
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VERIFY( c1 == 'u' );
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// char* X::move(char* s, const char* p, size_t n)
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// for each i in [0,n) performs X::assign(s[i], p[i]). Copies
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// correctly even where p is in [s, s + n), and yields s.
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char array1[] = {'z', 'u', 'm', 'a', ' ', 'b', 'e', 'a', 'c', 'h', 0};
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const char str_lit1[] = "montara and ocean beach";
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int len = sizeof(str_lit1) + sizeof(array1) - 1; // two terminating chars
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char array2[len];
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VERIFY( str_lit1[0] == 'm' );
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c1 = array2[0];
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c2 = str_lit1[0];
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char c3 = array2[1];
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char c4 = str_lit1[1];
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std::char_traits<char>::move(array2, str_lit1, 0);
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VERIFY( array2[0] == c1 );
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VERIFY( str_lit1[0] == c2 );
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std::char_traits<char>::move(array2, str_lit1, 1);
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VERIFY( array2[0] == c2 );
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VERIFY( str_lit1[0] == c2 );
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VERIFY( array2[1] == c3 );
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VERIFY( str_lit1[1] == c4 );
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std::char_traits<char>::move(array2, str_lit1, 2);
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VERIFY( array2[0] == c2 );
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VERIFY( str_lit1[0] == c2 );
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VERIFY( array2[1] == c4 );
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VERIFY( str_lit1[1] == c4 );
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char* pc1 = array1 + 1;
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c1 = pc1[0];
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c2 = array1[0];
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VERIFY( c1 != c2 );
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char* pc2 = std::char_traits<char>::move(array1, pc1, 0);
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c3 = pc1[0];
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c4 = array1[0];
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VERIFY( c1 == c3 );
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VERIFY( c2 == c4 );
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VERIFY( pc2 == array1 );
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c1 = pc1[0];
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c2 = array1[0];
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char* pc3 = pc1;
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pc2 = std::char_traits<char>::move(array1, pc1, 10);
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c3 = pc1[0];
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c4 = array1[0];
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VERIFY( c1 != c3 ); // underlying char array changed.
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VERIFY( c4 != c3 );
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VERIFY( pc2 == array1 );
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VERIFY( pc3 == pc1 ); // but pointers o-tay
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c1 = *(str_01.data());
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c2 = array1[0];
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VERIFY( c1 != c2 );
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2000-04-21 22:33:34 +02:00
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2000-05-09 03:15:14 +02:00
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#ifdef DEBUG_ASSERT
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assert(test);
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#endif
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return test;
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}
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2000-05-10 22:23:27 +02:00
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#if _GLIBCPP_USE_WCHAR_T
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int test02(void)
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{
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bool test = true;
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const std::wstring str_01(L"zuma beach");
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const std::wstring str_02(L"montara and ocean beach");
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// 21.1.1 character traits requirements
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// Key for decoding what function signatures really mean:
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// X == char_traits<_CharT>
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// [c,d] == _CharT
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// [p,q] == const _CharT*
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// s == _CharT*
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// [n,i,j] == size_t
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// f == X::int_type
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// pos == X::pos_type
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// state == X::state_type
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// void X::assign(wchar_t c, wchar_t d)
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// assigns c = d;
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wchar_t c1 = L'z';
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wchar_t c2 = L'u';
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VERIFY( c1 != c2 );
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std::char_traits<wchar_t>::assign(c1,c2);
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VERIFY( c1 == L'u' );
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// char* X::move(char* s, const char* p, size_t n)
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// for each i in [0,n) performs X::assign(s[i], p[i]). Copies
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// correctly even where p is in [s, s + n), and yields s.
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wchar_t array1[] = {L'z', L'u', L'm', L'a', L' ', L'b', L'e', L'a', L'c', L'h', 0};
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const wchar_t str_lit1[] = L"montara and ocean beach";
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int len = sizeof(str_lit1) + sizeof(array1) - 1; // two terminating chars
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wchar_t array2[len];
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VERIFY( str_lit1[0] == 'm' );
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c1 = array2[0];
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c2 = str_lit1[0];
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wchar_t c3 = array2[1];
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wchar_t c4 = str_lit1[1];
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std::char_traits<wchar_t>::move(array2, str_lit1, 0);
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VERIFY( array2[0] == c1 );
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VERIFY( str_lit1[0] == c2 );
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std::char_traits<wchar_t>::move(array2, str_lit1, 1);
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VERIFY( array2[0] == c2 );
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VERIFY( str_lit1[0] == c2 );
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VERIFY( array2[1] == c3 );
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VERIFY( str_lit1[1] == c4 );
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std::char_traits<wchar_t>::move(array2, str_lit1, 2);
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VERIFY( array2[0] == c2 );
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VERIFY( str_lit1[0] == c2 );
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VERIFY( array2[1] == c4 );
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VERIFY( str_lit1[1] == c4 );
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wchar_t* pc1 = array1 + 1;
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c1 = pc1[0];
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c2 = array1[0];
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VERIFY( c1 != c2 );
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wchar_t* pc2 = std::char_traits<wchar_t>::move(array1, pc1, 0);
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c3 = pc1[0];
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c4 = array1[0];
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VERIFY( c1 == c3 );
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VERIFY( c2 == c4 );
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VERIFY( pc2 == array1 );
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c1 = pc1[0];
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c2 = array1[0];
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wchar_t* pc3 = pc1;
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pc2 = std::char_traits<wchar_t>::move(array1, pc1, 10);
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c3 = pc1[0];
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c4 = array1[0];
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VERIFY( c1 != c3 ); // underlying wchar_t array changed.
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VERIFY( c4 != c3 );
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VERIFY( pc2 == array1 );
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VERIFY( pc3 == pc1 ); // but pointers o-tay
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c1 = *(str_01.data());
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c2 = array1[0];
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VERIFY( c1 != c2 );
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2000-04-21 22:33:34 +02:00
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#ifdef DEBUG_ASSERT
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assert(test);
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#endif
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return test;
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}
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#endif //_GLIBCPP_USE_WCHAR_T
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int main()
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{
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test01();
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#if _GLIBCPP_USE_WCHAR_T
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test02();
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#endif
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}
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