logical_not.pass.cpp (1078B)
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_not 13 14 #include <functional> 15 #include <type_traits> 16 #include <cassert> 17 18 #include "test_macros.h" 19 20 int main() 21 { 22 typedef std::logical_not<int> F; 23 const F f = F(); 24 static_assert((std::is_same<F::argument_type, int>::value), "" ); 25 static_assert((std::is_same<F::result_type, bool>::value), "" ); 26 assert(!f(36)); 27 assert(f(0)); 28 #if TEST_STD_VER > 11 29 typedef std::logical_not<> F2; 30 const F2 f2 = F2(); 31 assert(!f2(36)); 32 assert( f2(0)); 33 assert(!f2(36L)); 34 assert( f2(0L)); 35 36 constexpr bool foo = std::logical_not<int> () (36); 37 static_assert ( !foo, "" ); 38 39 constexpr bool bar = std::logical_not<> () (36); 40 static_assert ( !bar, "" ); 41 #endif 42 }