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 // UNSUPPORTED: libcxxabi-no-exceptions 11 12 #include <iostream> 13 #include <cxxabi.h> 14 15 // If the expression passed to operator new[] would result in an overflow, the 16 // allocation function is not called, and a std::bad_array_new_length exception 17 // is thrown instead (5.3.4p7). 18 bool bad_array_new_length_test() { 19 try { 20 // We test this directly because Clang does not currently codegen the 21 // correct call to __cxa_bad_array_new_length, so this test would result 22 // in passing -1 to ::operator new[], which would then throw a 23 // std::bad_alloc, causing the test to fail. 24 __cxxabiv1::__cxa_throw_bad_array_new_length(); 25 } catch ( const std::bad_array_new_length &banl ) { 26 return true; 27 } 28 return false; 29 } 30 31 int main() { 32 int ret_val = 0; 33 34 if ( !bad_array_new_length_test ()) { 35 std::cerr << "Bad array new length test failed!" << std::endl; 36 ret_val = 1; 37 } 38 39 return ret_val; 40 } 41
