greater.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// greater 13 14#include <functional> 15#include <type_traits> 16#include <cassert> 17 18int main() 19{ 20 typedef std::greater<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 assert(!f(6, 36)); 26#if _LIBCPP_STD_VER > 11 27 typedef std::greater<> F2; 28 const F2 f2 = F2(); 29 assert(!f2(36, 36)); 30 assert(f2(36, 6)); 31 assert(!f2(6, 36)); 32 assert( f2(36, 6.0)); 33 assert( f2(36.0, 6)); 34 assert(!f2(6, 36.0)); 35 assert(!f2(6.0, 36)); 36#endif 37} 38