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