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4415f7a5 | 1 | // { dg-options "-std=gnu++11" } |
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2 | // { dg-require-cstdint "" } |
3 | ||
818ab71a | 4 | // Copyright (C) 2008-2016 Free Software Foundation, Inc. |
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5 | // |
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 | |
748086b7 | 9 | // Free Software Foundation; either version 3, or (at your option) |
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10 | // any later version. |
11 | ||
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. | |
16 | ||
17 | // You should have received a copy of the GNU General Public License along | |
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18 | // with this library; see the file COPYING3. If not see |
19 | // <http://www.gnu.org/licenses/>. | |
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20 | |
21 | // 20.8.3 Class template duration [time.duration] | |
22 | ||
23 | #include <chrono> | |
24 | #include <type_traits> | |
25 | #include <testsuite_hooks.h> | |
26 | ||
27 | template<typename T> | |
28 | struct type_emulator | |
29 | { | |
30 | type_emulator() : i(T(0)) { } | |
31 | type_emulator(T j) : i(j) { } | |
32 | type_emulator(const type_emulator& e) : i(e.i) { } | |
33 | ||
34 | type_emulator& operator*=(type_emulator a) | |
35 | { i *= a.i; return *this; } | |
36 | ||
37 | type_emulator& operator+=(type_emulator a) | |
38 | { i += a.i; return *this; } | |
39 | ||
40 | operator T () { return i; } | |
41 | T i; | |
42 | }; | |
43 | ||
44 | template<typename T> | |
45 | bool operator==(type_emulator<T> a, type_emulator<T> b) | |
46 | { return a.i == b.i; } | |
47 | ||
48 | template<typename T> | |
49 | bool operator<(type_emulator<T> a, type_emulator<T> b) | |
50 | { return a.i < b.i; } | |
51 | ||
52 | template<typename T> | |
53 | type_emulator<T> operator+(type_emulator<T> a, type_emulator<T> b) | |
54 | { return a += b; } | |
55 | ||
56 | template<typename T> | |
57 | type_emulator<T> operator*(type_emulator<T> a, type_emulator<T> b) | |
58 | { return a *= b; } | |
59 | ||
60 | namespace std | |
61 | { | |
62 | template<typename T, typename U> | |
63 | struct common_type<type_emulator<T>, U> | |
64 | { typedef typename common_type<T,U>::type type; }; | |
65 | ||
66 | template<typename T, typename U> | |
67 | struct common_type<U, type_emulator<T>> | |
68 | { typedef typename common_type<U,T>::type type; }; | |
69 | ||
70 | template<typename T, typename U> | |
71 | struct common_type<type_emulator<T>, type_emulator<U>> | |
72 | { typedef typename common_type<T,U>::type type; }; | |
73 | ||
74 | namespace chrono | |
75 | { | |
76 | template<typename T> | |
77 | struct treat_as_floating_point<type_emulator<T>> | |
78 | : is_floating_point<T> | |
79 | { }; | |
80 | } | |
81 | } | |
82 | ||
83 | typedef type_emulator<int> int_emulator; | |
84 | typedef type_emulator<double> dbl_emulator; | |
85 | ||
86 | // 20.8.3.1 duration constructors [time.duration.cons] | |
87 | void | |
88 | test01() | |
89 | { | |
90 | bool test __attribute__((unused)) = true; | |
91 | using namespace std::chrono; | |
92 | ||
93 | duration<int> d0(3); | |
94 | duration<int> d0_copy(d0); | |
95 | VERIFY(d0_copy.count() == d0.count()); | |
96 | ||
97 | duration<int, std::milli> d1(5); | |
98 | duration<int, std::micro> d1_copy(d1); | |
99 | VERIFY(d1.count() * 1000 == d1_copy.count()); | |
100 | ||
101 | duration<double, std::micro> d2(8.0); | |
102 | duration<double, std::milli> d2_copy(d2); | |
103 | VERIFY(d2.count() == d2_copy.count() * 1000.0); | |
104 | ||
105 | duration<int_emulator, std::milli> d3(5); | |
106 | duration<int_emulator, std::micro> d3_copy(d3); | |
107 | VERIFY(d3.count() * 1000 == d3_copy.count()); | |
108 | ||
109 | duration<dbl_emulator, std::micro> d4(5.0); | |
110 | duration<dbl_emulator, std::milli> d4_copy(d4); | |
111 | VERIFY(d4.count() == d4_copy.count() * dbl_emulator(1000.0)); | |
112 | } | |
113 | ||
114 | int | |
115 | main() | |
116 | { | |
117 | test01(); | |
118 | return 0; | |
119 | } |