1 // { dg-options "-std=gnu++0x" }
2 // { dg-require-cstdint "" }
4 // Copyright (C) 2008 Free Software Foundation
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 2, or (at your option)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING. If not, write to the Free
19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22 // 20.8.3 Class template duration [time.duration]
25 #include <type_traits>
26 #include <testsuite_hooks.h>
31 type_emulator() : i(T(0)) { }
32 type_emulator(T j) : i(j) { }
33 type_emulator(const type_emulator& e) : i(e.i) { }
35 type_emulator& operator*=(type_emulator a)
36 { i *= a.i; return *this; }
38 type_emulator& operator+=(type_emulator a)
39 { i += a.i; return *this; }
41 operator T () { return i; }
46 bool operator==(type_emulator<T> a, type_emulator<T> b)
47 { return a.i == b.i; }
50 bool operator<(type_emulator<T> a, type_emulator<T> b)
54 type_emulator<T> operator+(type_emulator<T> a, type_emulator<T> b)
58 type_emulator<T> operator*(type_emulator<T> a, type_emulator<T> b)
63 template<typename T, typename U>
64 struct common_type<type_emulator<T>, U>
65 { typedef typename common_type<T,U>::type type; };
67 template<typename T, typename U>
68 struct common_type<U, type_emulator<T>>
69 { typedef typename common_type<U,T>::type type; };
71 template<typename T, typename U>
72 struct common_type<type_emulator<T>, type_emulator<U>>
73 { typedef typename common_type<T,U>::type type; };
78 struct treat_as_floating_point<type_emulator<T>>
79 : is_floating_point<T>
84 typedef type_emulator<int> int_emulator;
85 typedef type_emulator<double> dbl_emulator;
87 // 20.8.3.1 duration constructors [time.duration.cons]
91 bool test __attribute__((unused)) = true;
92 using namespace std::chrono;
95 duration<int> d0_copy(d0);
96 VERIFY(d0_copy.count() == d0.count());
98 duration<int, std::milli> d1(5);
99 duration<int, std::micro> d1_copy(d1);
100 VERIFY(d1.count() * 1000 == d1_copy.count());
102 duration<double, std::micro> d2(8.0);
103 duration<double, std::milli> d2_copy(d2);
104 VERIFY(d2.count() == d2_copy.count() * 1000.0);
106 duration<int_emulator, std::milli> d3(5);
107 duration<int_emulator, std::micro> d3_copy(d3);
108 VERIFY(d3.count() * 1000 == d3_copy.count());
110 duration<dbl_emulator, std::micro> d4(5.0);
111 duration<dbl_emulator, std::milli> d4_copy(d4);
112 VERIFY(d4.count() == d4_copy.count() * dbl_emulator(1000.0));