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// 1999-05-11 bkoz
// Copyright (C) 1999-2015 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/>.
// 21.3.3 string capacity
#include <string>
#include <cstring>
#include <testsuite_hooks.h>
template<typename T>
struct A { };
template<typename T>
bool
operator==(const A<T>&, const A<T>&) { return true; }
template<typename T>
bool
operator<(const A<T>&, const A<T>&) { return true; }
struct B { };
// char_traits specialization
namespace std
{
template<>
struct char_traits<A<B> >
{
typedef A<B> char_type;
// Unsigned as wint_t in unsigned.
typedef unsigned long int_type;
typedef streampos pos_type;
typedef streamoff off_type;
typedef mbstate_t state_type;
static void
assign(char_type& __c1, const char_type& __c2)
{ __c1 = __c2; }
static bool
eq(const char_type& __c1, const char_type& __c2)
{ return __c1 == __c2; }
static bool
lt(const char_type& __c1, const char_type& __c2)
{ return __c1 < __c2; }
static int
compare(const char_type* __s1, const char_type* __s2, size_t __n)
{
for (size_t __i = 0; __i < __n; ++__i)
if (!eq(__s1[__i], __s2[__i]))
return lt(__s1[__i], __s2[__i]) ? -1 : 1;
return 0;
}
static size_t
length(const char_type* __s)
{
const char_type* __p = __s;
while (__p)
++__p;
return (__p - __s);
}
static const char_type*
find(const char_type* __s, size_t __n, const char_type& __a)
{
for (const char_type* __p = __s; size_t(__p - __s) < __n; ++__p)
if (*__p == __a) return __p;
return 0;
}
static char_type*
move(char_type* __s1, const char_type* __s2, size_t __n)
{ return (char_type*) memmove(__s1, __s2, __n * sizeof(char_type)); }
static char_type*
copy(char_type* __s1, const char_type* __s2, size_t __n)
{ return (char_type*) memcpy(__s1, __s2, __n * sizeof(char_type)); }
static char_type*
assign(char_type* __s, size_t __n, char_type __a)
{
for (char_type* __p = __s; __p < __s + __n; ++__p)
assign(*__p, __a);
return __s;
}
static char_type
to_char_type(const int_type&)
{ return char_type(); }
static int_type
to_int_type(const char_type&) { return int_type(); }
static bool
eq_int_type(const int_type& __c1, const int_type& __c2)
{ return __c1 == __c2; }
static int_type
eof() { return static_cast<int_type>(-1); }
static int_type
not_eof(const int_type& __c)
{ return eq_int_type(__c, eof()) ? int_type(0) : __c; }
};
} // namespace std
void test01()
{
bool test __attribute__((unused)) = true;
// non POD types : resize, capacity, reserve
std::basic_string< A<B> > str02;
typedef std::basic_string< A<B> >::size_type size_type_o;
size_type_o sz03;
size_type_o sz04;
sz03 = str02.capacity();
str02.reserve(100);
sz04 = str02.capacity();
VERIFY( sz04 >= sz03 );
VERIFY( sz04 >= 100 );
str02.reserve();
sz03 = str02.capacity();
#if _GLIBCXX_USE_CXX11_ABI
VERIFY( sz03 < 100);
#else
VERIFY( sz03 == 0 );
#endif
sz03 = str02.size() + 5;
str02.resize(sz03);
sz04 = str02.size();
VERIFY( sz03 == sz04 );
sz03 = str02.size() - 5;
str02.resize(sz03);
sz04 = str02.size();
VERIFY( sz03 == sz04 );
A<B> inst_obj;
std::basic_string<A<B> > str07(30, inst_obj);
std::basic_string<A<B> > str08 = str07;
str07 = str08 + str07;
VERIFY( str07.capacity() >= str07.size() );
VERIFY( str08.capacity() >= str08.size() );
// non-POD types: size, length, max_size, clear(), empty()
bool b01 = str02.empty();
VERIFY( b01 == true );
sz03 = str02.size();
sz04 = str02.length();
VERIFY( sz03 == sz04 );
str02.c_str();
sz03 = str02.size();
sz04 = str02.length();
VERIFY( sz03 == sz04 );
sz03 = str02.max_size();
VERIFY( sz03 >= sz04 );
sz03 = str02.size();
str02.clear();
b01 = str02.empty();
VERIFY( b01 == true );
sz04 = str02.size();
VERIFY( sz03 >= sz04 );
}
#if !__GXX_WEAK__
// Explicitly instantiate for systems with no COMDAT or weak support.
template
const std::basic_string< A<B> >::size_type
std::basic_string< A<B> >::_Rep::_S_max_size;
template
const A<B>
std::basic_string< A<B> >::_Rep::_S_terminal;
#endif
int main()
{
test01();
return 0;
}
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