1//===-------------------------- test_aux_runtime_op_array_new.cpp ---------===// 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#include <iostream> 11#include <cxxabi.h> 12 13// If the expression passed to operator new[] would result in an overflow, the 14// allocation function is not called, and a std::bad_array_new_length exception 15// is thrown instead (5.3.4p7). 16bool bad_array_new_length_test() { 17 try { 18 // We test this directly because Clang does not currently codegen the 19 // correct call to __cxa_bad_array_new_length, so this test would result 20 // in passing -1 to ::operator new[], which would then throw a 21 // std::bad_alloc, causing the test to fail. 22 __cxxabiv1::__cxa_throw_bad_array_new_length(); 23 } catch ( const std::bad_array_new_length &banl ) { 24 return true; 25 } 26 return false; 27} 28 29int main(int argc, char *argv []) { 30 int ret_val = 0; 31 32 if ( !bad_array_new_length_test ()) { 33 std::cerr << "Bad array new length test failed!" << std::endl; 34 ret_val = 1; 35 } 36 37 return ret_val; 38} 39