1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
10
11 // <functional>
12
13 // modulus
14
15 #include <functional>
16 #include <type_traits>
17 #include <cassert>
18
19 #include "test_macros.h"
20
main(int,char **)21 int main(int, char**)
22 {
23 typedef std::modulus<int> F;
24 const F f = F();
25 #if TEST_STD_VER <= 17
26 static_assert((std::is_same<int, F::first_argument_type>::value), "" );
27 static_assert((std::is_same<int, F::second_argument_type>::value), "" );
28 static_assert((std::is_same<int, F::result_type>::value), "" );
29 #endif
30 assert(f(36, 8) == 4);
31 #if TEST_STD_VER > 11
32 typedef std::modulus<> F2;
33 const F2 f2 = F2();
34 assert(f2(36, 8) == 4);
35 assert(f2(36L, 8) == 4);
36 assert(f2(36, 8L) == 4);
37
38 constexpr int foo = std::modulus<int> () (3, 2);
39 static_assert ( foo == 1, "" );
40
41 constexpr int bar = std::modulus<> () (3L, 2);
42 static_assert ( bar == 1, "" );
43 #endif
44
45 return 0;
46 }
47