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1 //===-------------------------- test_aux_runtime_op_array_new.cpp ---------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8
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173
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9 // UNSUPPORTED: no-exceptions
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150
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10
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11 #include <iostream>
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12 #include <cxxabi.h>
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13
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14 // If the expression passed to operator new[] would result in an overflow, the
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15 // allocation function is not called, and a std::bad_array_new_length exception
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16 // is thrown instead (5.3.4p7).
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17 bool bad_array_new_length_test() {
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18 try {
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19 // We test this directly because Clang does not currently codegen the
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20 // correct call to __cxa_bad_array_new_length, so this test would result
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21 // in passing -1 to ::operator new[], which would then throw a
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22 // std::bad_alloc, causing the test to fail.
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23 __cxxabiv1::__cxa_throw_bad_array_new_length();
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24 } catch ( const std::bad_array_new_length &banl ) {
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25 return true;
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26 }
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27 return false;
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28 }
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29
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30 int main() {
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31 int ret_val = 0;
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32
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33 if ( !bad_array_new_length_test ()) {
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34 std::cerr << "Bad array new length test failed!" << std::endl;
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35 ret_val = 1;
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36 }
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37
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38 return ret_val;
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39 }
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