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 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
10 
11 // <chrono>
12 // class day;
13 
14 // constexpr bool operator==(const day& x, const day& y) noexcept;
15 //   Returns: unsigned{x} == unsigned{y}.
16 // constexpr bool operator<(const day& x, const day& y) noexcept;
17 //   Returns: unsigned{x} < unsigned{y}.
18 
19 
20 #include <chrono>
21 #include <type_traits>
22 #include <cassert>
23 
24 #include "test_macros.h"
25 #include "test_comparisons.h"
26 
main()27 int main()
28 {
29     using day = std::chrono::day;
30 
31     AssertComparisons6AreNoexcept<day>();
32     AssertComparisons6ReturnBool<day>();
33 
34     static_assert(testComparisons6Values<day>(0U, 0U), "");
35     static_assert(testComparisons6Values<day>(0U, 1U), "");
36 
37 //  Some 'ok' values as well
38     static_assert(testComparisons6Values<day>( 5U,  5U), "");
39     static_assert(testComparisons6Values<day>( 5U, 10U), "");
40 
41     for (unsigned i = 1; i < 10; ++i)
42         for (unsigned j = 1; j < 10; ++j)
43             assert(testComparisons6Values<day>(i, j));
44 }
45