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 // <functional>
11
12 // greater_equal
13
14 #include <functional>
15 #include <type_traits>
16 #include <cassert>
17
18 #include "test_macros.h"
19 #include "pointer_comparison_test_helper.hpp"
20
main()21 int main()
22 {
23 typedef std::greater_equal<int> F;
24 const F f = F();
25 static_assert((std::is_same<int, F::first_argument_type>::value), "" );
26 static_assert((std::is_same<int, F::second_argument_type>::value), "" );
27 static_assert((std::is_same<bool, F::result_type>::value), "" );
28 assert(f(36, 36));
29 assert(f(36, 6));
30 assert(!f(6, 36));
31 {
32 // test total ordering of int* for greater_equal<int*> and
33 // greater_equal<void>.
34 do_pointer_comparison_test<int, std::greater_equal>();
35 }
36 #if TEST_STD_VER > 11
37 typedef std::greater_equal<> F2;
38 const F2 f2 = F2();
39 assert(f2(36, 36));
40 assert(f2(36, 6));
41 assert(!f2(6, 36));
42 assert( f2(36, 6.0));
43 assert( f2(36.0, 6));
44 assert(!f2(6, 36.0));
45 assert(!f2(6.0, 36));
46
47 constexpr bool foo = std::greater_equal<int> () (36, 36);
48 static_assert ( foo, "" );
49
50 constexpr bool bar = std::greater_equal<> () (36.0, 36);
51 static_assert ( bar, "" );
52 #endif
53 }
54