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libcxxabi/test/test_aux_runtime_op_array_n...

40 lines
1.3 KiB
C++

//===-------------------------- test_aux_runtime_op_array_new.cpp ---------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: libcxxabi-no-exceptions
#include <iostream>
#include <cxxabi.h>
// If the expression passed to operator new[] would result in an overflow, the
// allocation function is not called, and a std::bad_array_new_length exception
// is thrown instead (5.3.4p7).
bool bad_array_new_length_test() {
try {
// We test this directly because Clang does not currently codegen the
// correct call to __cxa_bad_array_new_length, so this test would result
// in passing -1 to ::operator new[], which would then throw a
// std::bad_alloc, causing the test to fail.
__cxxabiv1::__cxa_throw_bad_array_new_length();
} catch ( const std::bad_array_new_length &banl ) {
return true;
}
return false;
}
int main() {
int ret_val = 0;
if ( !bad_array_new_length_test ()) {
std::cerr << "Bad array new length test failed!" << std::endl;
ret_val = 1;
}
return ret_val;
}