65 lines
1.3 KiB
C++
65 lines
1.3 KiB
C++
// { dg-do run }
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// Avoid use of non-overridable new/delete operators in shared
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// { dg-options "-static" { target *-*-mingw* } }
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// Test __cxa_vec routines
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// Copyright (C) 2000-2020 Free Software Foundation, Inc.
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// Contributed by Nathan Sidwell 7 Apr 2000 <nathan@nathan@codesourcery.com>
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#include <cxxabi.h>
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#include <stdio.h>
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#include <new>
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#include <stdlib.h>
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#include <setjmp.h>
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// Allocate enough padding to hold an array cookie.
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#ifdef __ARM_EABI__
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static const size_t padding = 8;
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#else
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static const size_t padding = (sizeof (std::size_t));
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#endif
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// our pseudo ctors and dtors
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static abi::__cxa_cdtor_return_type ctor (void *x)
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{
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abort ();
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}
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static abi::__cxa_cdtor_return_type dtor (void *x)
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{
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abort ();
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}
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// allocate an array whose size causes an overflow during multiplication
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void test1 ()
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{
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static const std::size_t large_size =
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std::size_t(1) << (sizeof(std::size_t) * 8 - 2);
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try
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{
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abi::__cxa_vec_new (large_size, 8, 0, ctor, dtor);
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abort ();
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}
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catch (std::bad_alloc &)
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{
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}
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}
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// allocate an array whose size causes an overflow during addition
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void test2 ()
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{
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try
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{
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abi::__cxa_vec_new (std::size_t(-1) / 4, 4, padding, ctor, dtor);
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abort ();
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}
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catch (std::bad_alloc &)
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{
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}
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}
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int main ()
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{
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test1 ();
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test2 ();
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}
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