logical_and.pass.cpp revision 9738cafa4f5c5ce19cd674e7e8c38376eaac8abe 
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// logical_and
13
14#include <functional>
15#include <type_traits>
16#include <cassert>
17
18int main()
19{
20    typedef std::logical_and<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, 0));
25    assert(!f(0, 36));
26    assert(!f(0, 0));
27#if _LIBCPP_STD_VER > 11
28    typedef std::logical_and<> F2;
29    const F2 f2 = F2();
30    assert( f2(36, 36));
31    assert( f2(36, 36L));
32    assert( f2(36L, 36));
33    assert(!f2(36, 0));
34    assert(!f2(0, 36));
35    assert( f2(36, 36L));
36    assert(!f2(36, 0L));
37    assert(!f2(0, 36L));
38    assert( f2(36L, 36));
39    assert(!f2(36L, 0));
40    assert(!f2(0L, 36));
41
42    constexpr bool foo = std::logical_and<int> () (36, 36);
43    static_assert ( foo, "" );
44
45    constexpr bool bar = std::logical_and<> () (36.0, 36);
46    static_assert ( bar, "" );
47#endif
48}
49