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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libstdc++-v3/] [testsuite/] [21_strings/] [basic_string/] [numeric_conversions/] [char/] [stof.cc] - Rev 742
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// { dg-options "-std=gnu++0x" } // { dg-require-string-conversions "" } // 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() { bool test __attribute__((unused)) = false; using namespace std; try { string one; stof(one); } catch(std::invalid_argument) { test = true; } catch(...) { } VERIFY( test ); test = false; try { string one("a"); stof(one); } catch(std::invalid_argument) { test = true; } catch(...) { } VERIFY( test ); float f1 = 0.0f; size_t idx1 = 0; try { string one("2.0a"); f1 = stof(one, &idx1); } catch(...) { test = false; } VERIFY( test ); VERIFY( f1 == 2.0f ); VERIFY( idx1 == 3 ); test = false; try { string one("1e"); one.append(2 * numeric_limits<float>::max_exponent10, '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; string one(to_string(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; string one(to_string(ld1)); f1 = stof(one); } catch(std::out_of_range) { test = true; } catch(...) { } VERIFY( test ); VERIFY( f1 == -1.0f ); } } int main() { test01(); return 0; }