diff options
Diffstat (limited to 'libstdc++-v3/testsuite/26_numerics/complex/inserters_extractors/wchar_t')
-rw-r--r-- | libstdc++-v3/testsuite/26_numerics/complex/inserters_extractors/wchar_t/1.cc | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/26_numerics/complex/inserters_extractors/wchar_t/1.cc b/libstdc++-v3/testsuite/26_numerics/complex/inserters_extractors/wchar_t/1.cc new file mode 100644 index 000000000..8b23aec19 --- /dev/null +++ b/libstdc++-v3/testsuite/26_numerics/complex/inserters_extractors/wchar_t/1.cc @@ -0,0 +1,136 @@ +// Copyright (C) 2007, 2009 Free Software Foundation +// +// 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/>. + + +#include <iostream> +#include <string> +#include <sstream> +#include <complex> +#include <testsuite_hooks.h> +#include <cmath> + +template<typename R> +inline bool flteq(R x, R y) +{ + if (x == R(0)) return y == R(0); + else return std::fabs(x-y) < 1e-6*std::fabs(x); +} + +template<typename R> +int +test_good(std::wstring str, R x, R y) +{ + bool test __attribute__((unused)) = true; + std::complex<R> z; + wchar_t ch; + std::wistringstream iss(str); + iss >> z >> ch; + VERIFY( iss.good() ); + VERIFY( flteq(z.real(), x) ); + VERIFY( flteq(z.imag(), y) ); + VERIFY( ch == L'#' ); + return 0; +} + +template<typename R> +int +test_fail(std::wstring str) +{ + bool test __attribute__((unused)) = true; + std::complex<R> z; + std::wistringstream iss(str); + iss >> z; + VERIFY( iss.fail() && !iss.bad() ); + return 0; +} + +template<typename R> +int +testall() +{ + test_good<R>(L"(-1.1,3.7)#", -1.1, 3.7); + test_good<R>(L"( .7e6 , \n-3.1)#", .7e6, -3.1); + test_good<R>(L"(\t0,-1)#", 0.0, -1.0); + test_good<R>(L"(-3.14)#", -3.14, 0.0); + test_good<R>(L"-.1#", -.1, 0.0); + test_good<R>(L" ( -2.7e3 )#", -2.7e3, 0.0); + test_good<R>(L" -.1#", -.1, 0.0); + test_fail<R>(L"(a,1)"); + test_fail<R>(L"(,1)"); + test_fail<R>(L"(1,a)"); + test_fail<R>(L"(1, )"); + test_fail<R>(L"|1,1)"); + test_fail<R>(L"(1|1)"); + test_fail<R>(L"(1,1|"); + return 0; +} + +// libstdc++/2970 +void test01() +{ + using namespace std; + bool test __attribute__((unused)) = true; + + complex<float> cf01(-1.1, -333.2); + wstringstream ss; + ss << cf01; + wstring str = ss.str(); + VERIFY( str == L"(-1.1,-333.2)" ); +} + +// libstdc++/2985 +struct gnu_char_traits : public std::char_traits<wchar_t> +{ }; + +typedef std::basic_ostringstream<wchar_t, gnu_char_traits> gnu_sstream; +template class std::basic_string<wchar_t, gnu_char_traits, + std::allocator<wchar_t> >; + +void test02() +{ + bool test __attribute__((unused)) = true; + + // Construct locale with specialized facets. + typedef gnu_sstream::__num_put_type numput_type; + typedef gnu_sstream::__num_get_type numget_type; + std::locale loc_c = std::locale::classic(); + std::locale loc_1(loc_c, new numput_type); + std::locale loc_2(loc_1, new numget_type); + VERIFY( std::has_facet<numput_type>(loc_2) ); + VERIFY( std::has_facet<numget_type>(loc_2) ); + + gnu_sstream sstr; + sstr.imbue(loc_2); + + + std::complex<double> x(3, 4); + sstr << x; + VERIFY( sstr.str() == L"(3,4)" ); +} + +int +main() +{ + testall<float>(); + testall<double>(); + testall<long double>(); + + test01(); + test02(); + + return 0; +} |