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// test <time.h>
11
12#include <time.h>
13#include <type_traits>
14
15#ifndef NULL
16#error NULL not defined
17#endif
18
19#ifndef CLOCKS_PER_SEC
20#error CLOCKS_PER_SEC not defined
21#endif
22
23int main()
24{
25    clock_t c = 0; ((void)c);
26    size_t s = 0;
27    time_t t = 0;
28    tm tmv = {};
29    static_assert((std::is_same<decltype(clock()), clock_t>::value), "");
30    static_assert((std::is_same<decltype(difftime(t,t)), double>::value), "");
31    static_assert((std::is_same<decltype(mktime(&tmv)), time_t>::value), "");
32    static_assert((std::is_same<decltype(time(&t)), time_t>::value), "");
33    static_assert((std::is_same<decltype(asctime(&tmv)), char*>::value), "");
34    static_assert((std::is_same<decltype(ctime(&t)), char*>::value), "");
35    static_assert((std::is_same<decltype(gmtime(&t)), tm*>::value), "");
36    static_assert((std::is_same<decltype(localtime(&t)), tm*>::value), "");
37    char* c1 = 0;
38    const char* c2 = 0;
39    static_assert((std::is_same<decltype(strftime(c1,s,c2,&tmv)), size_t>::value), "");
40}
41