1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===//
2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//
3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant//                     The LLVM Compiler Infrastructure
4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//
5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open
6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details.
7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//
8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===//
9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// test <ctime>
11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <ctime>
13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <type_traits>
14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef NULL
16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error NULL not defined
17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef CLOCKS_PER_SEC
20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error CLOCKS_PER_SEC not defined
21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main()
24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{
25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    std::clock_t c = 0;
26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    std::size_t s = 0;
27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    std::time_t t = 0;
28bfdae2062a086dbfeb47774afcf429402cb39c57Eric Fiselier    std::tm tm = {};
29a9ea11398d4e7c756f664d0ae364f1849ab5adecEric Fiselier    ((void)c); // Prevent unused warning
30a9ea11398d4e7c756f664d0ae364f1849ab5adecEric Fiselier    ((void)s); // Prevent unused warning
31a9ea11398d4e7c756f664d0ae364f1849ab5adecEric Fiselier    ((void)t); // Prevent unused warning
32a9ea11398d4e7c756f664d0ae364f1849ab5adecEric Fiselier    ((void)tm); // Prevent unused warning
33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::clock()), std::clock_t>::value), "");
34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::difftime(t,t)), double>::value), "");
35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::mktime(&tm)), std::time_t>::value), "");
36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::time(&t)), std::time_t>::value), "");
37323ade3e7080de24c659f714404592818a78ca76Ed Schouten#ifndef _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::asctime(&tm)), char*>::value), "");
39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::ctime(&t)), char*>::value), "");
40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::gmtime(&t)), std::tm*>::value), "");
41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::localtime(&t)), std::tm*>::value), "");
42323ade3e7080de24c659f714404592818a78ca76Ed Schouten#endif
43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    char* c1 = 0;
44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    const char* c2 = 0;
45a9ea11398d4e7c756f664d0ae364f1849ab5adecEric Fiselier    ((void)c1); // Prevent unused warning
46a9ea11398d4e7c756f664d0ae364f1849ab5adecEric Fiselier    ((void)c2); // Prevent unused warning
47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::strftime(c1,s,c2,&tm)), std::size_t>::value), "");
48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}
49