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// { dg-options "-std=gnu++11" }
// { dg-require-string-conversions "" }
// 2008-06-15 Paolo Carlini <paolo.carlini@oracle.com>
// Copyright (C) 2008-2016 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/>.
// 21.4 Numeric Conversions [string.conversions]
#include <string>
#include <limits>
#include <stdexcept>
#include <testsuite_hooks.h>
void
test01()
{
#if _GLIBCXX_USE_C99_WCHAR
bool test __attribute__((unused)) = false;
using namespace std;
try
{
wstring one;
stof(one);
}
catch(std::invalid_argument)
{
test = true;
}
catch(...)
{
}
VERIFY( test );
test = false;
try
{
wstring one(L"a");
stof(one);
}
catch(std::invalid_argument)
{
test = true;
}
catch(...)
{
}
VERIFY( test );
float f1 = 0.0f;
size_t idx1 = 0;
try
{
wstring one(L"2.0a");
f1 = stof(one, &idx1);
}
catch(...)
{
test = false;
}
VERIFY( test );
VERIFY( f1 == 2.0f );
VERIFY( idx1 == 3 );
test = false;
try
{
wstring one(L"1e");
one.append(2 * numeric_limits<float>::max_exponent10, L'9');
f1 = stof(one);
}
catch(std::out_of_range)
{
test = true;
}
catch(...)
{
}
VERIFY( test );
VERIFY( f1 == 2.0f );
try
{
long double ld0 = numeric_limits<float>::max() / 100.0;
wstring one(to_wstring(ld0));
stof(one);
}
catch(...)
{
test = false;
}
VERIFY( test );
if ((numeric_limits<long double>::max() / 10000.0L)
> numeric_limits<float>::max())
{
test = false;
f1 = -1.0f;
try
{
long double ld1 = numeric_limits<float>::max();
ld1 *= 100.0;
wstring one(to_wstring(ld1));
f1 = stof(one);
}
catch(std::out_of_range)
{
test = true;
}
catch(...)
{
}
VERIFY( test );
VERIFY( f1 == -1.0f );
}
#endif
}
int main()
{
test01();
return 0;
}
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