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 // <string> 11 12 // bool empty() const noexcept; 13 14 #include <string> 15 #include <cassert> 16 17 #include "test_macros.h" 18 #include "min_allocator.h" 19 20 template <class S> 21 void 22 test(const S& s) 23 { 24 ASSERT_NOEXCEPT(s.empty()); 25 assert(s.empty() == (s.size() == 0)); 26 } 27 28 int main() 29 { 30 { 31 typedef std::string S; 32 test(S()); 33 test(S("123")); 34 test(S("12345678901234567890123456789012345678901234567890")); 35 } 36 #if TEST_STD_VER >= 11 37 { 38 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; 39 test(S()); 40 test(S("123")); 41 test(S("12345678901234567890123456789012345678901234567890")); 42 } 43 #endif 44 } 45
