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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stof.cc')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stof.cc | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stof.cc b/gcc-4.4.3/libstdc++-v3/testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stof.cc new file mode 100644 index 000000000..ffc0867b5 --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stof.cc @@ -0,0 +1,139 @@ +// { dg-options "-std=gnu++0x" } +// 2008-06-15 Paolo Carlini <paolo.carlini@oracle.com> + +// Copyright (C) 2008, 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/>. + +// 21.4 Numeric Conversions [string.conversions] + +#include <string> +#include <limits> +#include <stdexcept> +#include <testsuite_hooks.h> + +void +test01() +{ +#ifdef _GLIBCXX_USE_C99 + + 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; +} |