tested_elsewhere.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#include <ctime>
11#include <type_traits>
12
13#ifndef NULL
14#error NULL not defined
15#endif
16
17#ifndef CLOCKS_PER_SEC
18#error CLOCKS_PER_SEC not defined
19#endif
20
21int main()
22{
23    std::clock_t c = 0;
24    std::size_t s = 0;
25    std::time_t t = 0;
26    std::tm tm = {0};
27    char str[3];
28    static_assert((std::is_same<decltype(std::clock()), std::clock_t>::value), "");
29    static_assert((std::is_same<decltype(std::difftime(t,t)), double>::value), "");
30    static_assert((std::is_same<decltype(std::mktime(&tm)), std::time_t>::value), "");
31    static_assert((std::is_same<decltype(std::time(&t)), std::time_t>::value), "");
32    static_assert((std::is_same<decltype(std::asctime(&tm)), char*>::value), "");
33    static_assert((std::is_same<decltype(std::ctime(&t)), char*>::value), "");
34    static_assert((std::is_same<decltype(std::gmtime(&t)), std::tm*>::value), "");
35    static_assert((std::is_same<decltype(std::localtime(&t)), std::tm*>::value), "");
36    static_assert((std::is_same<decltype(std::strftime(str,s,"",&tm)), std::size_t>::value), "");
37}
38