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 // <algorithm> 11 12 // template<LessThanComparable T> 13 // const T& 14 // max(const T& a, const T& b); 15 16 #include <algorithm> 17 #include <cassert> 18 19 #include "test_macros.h" 20 21 template <class T> 22 void 23 test(const T& a, const T& b, const T& x) 24 { 25 assert(&std::max(a, b) == &x); 26 } 27 28 int main() 29 { 30 { 31 int x = 0; 32 int y = 0; 33 test(x, y, x); 34 test(y, x, y); 35 } 36 { 37 int x = 0; 38 int y = 1; 39 test(x, y, y); 40 test(y, x, y); 41 } 42 { 43 int x = 1; 44 int y = 0; 45 test(x, y, x); 46 test(y, x, x); 47 } 48 #if TEST_STD_VER >= 14 49 { 50 constexpr int x = 1; 51 constexpr int y = 0; 52 static_assert(std::max(x, y) == x, "" ); 53 static_assert(std::max(y, x) == x, "" ); 54 } 55 #endif 56 } 57
