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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libstdc++-v3/] [testsuite/] [20_util/] [duration/] [cons/] [2.cc] - Rev 749
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// { dg-options "-std=gnu++0x" } // { dg-require-cstdint "" } // Copyright (C) 2008, 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/>. // 20.8.3 Class template duration [time.duration] #include <chrono> #include <type_traits> #include <testsuite_hooks.h> template<typename T> struct type_emulator { type_emulator() : i(T(0)) { } type_emulator(T j) : i(j) { } type_emulator(const type_emulator& e) : i(e.i) { } type_emulator& operator*=(type_emulator a) { i *= a.i; return *this; } type_emulator& operator+=(type_emulator a) { i += a.i; return *this; } operator T () { return i; } T i; }; template<typename T> bool operator==(type_emulator<T> a, type_emulator<T> b) { return a.i == b.i; } template<typename T> bool operator<(type_emulator<T> a, type_emulator<T> b) { return a.i < b.i; } template<typename T> type_emulator<T> operator+(type_emulator<T> a, type_emulator<T> b) { return a += b; } template<typename T> type_emulator<T> operator*(type_emulator<T> a, type_emulator<T> b) { return a *= b; } namespace std { template<typename T, typename U> struct common_type<type_emulator<T>, U> { typedef typename common_type<T,U>::type type; }; template<typename T, typename U> struct common_type<U, type_emulator<T>> { typedef typename common_type<U,T>::type type; }; template<typename T, typename U> struct common_type<type_emulator<T>, type_emulator<U>> { typedef typename common_type<T,U>::type type; }; namespace chrono { template<typename T> struct treat_as_floating_point<type_emulator<T>> : is_floating_point<T> { }; } } typedef type_emulator<int> int_emulator; typedef type_emulator<double> dbl_emulator; // 20.8.3.1 duration constructors [time.duration.cons] void test01() { bool test __attribute__((unused)) = true; using namespace std::chrono; duration<int> d0(3); duration<int> d0_copy(d0); VERIFY(d0_copy.count() == d0.count()); duration<int, std::milli> d1(5); duration<int, std::micro> d1_copy(d1); VERIFY(d1.count() * 1000 == d1_copy.count()); duration<double, std::micro> d2(8.0); duration<double, std::milli> d2_copy(d2); VERIFY(d2.count() == d2_copy.count() * 1000.0); duration<int_emulator, std::milli> d3(5); duration<int_emulator, std::micro> d3_copy(d3); VERIFY(d3.count() * 1000 == d3_copy.count()); duration<dbl_emulator, std::micro> d4(5.0); duration<dbl_emulator, std::milli> d4_copy(d4); VERIFY(d4.count() == d4_copy.count() * dbl_emulator(1000.0)); } int main() { test01(); return 0; }
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