equal_to.pass.cpp revision ff46409221ea91df3c5413ba06eed2f6ba963444 
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// equal_to
13
14#include <functional>
15#include <type_traits>
16#include <cassert>
17
18int main()
19{
20    typedef std::equal_to<int> F;
21    const F f = F();
22    static_assert((std::is_base_of<std::binary_function<int, int, bool>, F>::value), "");
23    assert(f(36, 36));
24    assert(!f(36, 6));
25#if _LIBCPP_STD_VER > 11
26    typedef std::equal_to<> F2;
27    const F2 f2 = F2();
28    assert(f2(36, 36));
29    assert(!f2(36, 6));
30    assert(f2(36, 36.0));
31    assert(f2(36.0, 36L));
32#endif
33}
34