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 // test underflow_error 11 12 #include <stdexcept> 13 #include <type_traits> 14 #include <cstring> 15 #include <string> 16 #include <cassert> 17 18 int main() 19 { 20 static_assert((std::is_base_of<std::runtime_error, std::underflow_error>::value), 21 "std::is_base_of<std::runtime_error, std::underflow_error>::value"); 22 static_assert(std::is_polymorphic<std::underflow_error>::value, 23 "std::is_polymorphic<std::underflow_error>::value"); 24 { 25 const char* msg = "underflow_error message"; 26 std::underflow_error e(msg); 27 assert(std::strcmp(e.what(), msg) == 0); 28 std::underflow_error e2(e); 29 assert(std::strcmp(e2.what(), msg) == 0); 30 e2 = e; 31 assert(std::strcmp(e2.what(), msg) == 0); 32 } 33 { 34 std::string msg("another underflow_error message"); 35 std::underflow_error e(msg); 36 assert(e.what() == msg); 37 std::underflow_error e2(e); 38 assert(e2.what() == msg); 39 e2 = e; 40 assert(e2.what() == msg); 41 } 42 } 43
