forked from OSchip/llvm-project
85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
//===--------------------------- test_vector2.cpp -------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: no-exceptions
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#include "cxxabi.h"
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#include <iostream>
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#include <cstdlib>
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void my_terminate () { exit ( 0 ); }
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// Wrapper routines
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void *my_alloc2 ( size_t sz ) {
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void *p = std::malloc ( sz );
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// std::printf ( "Allocated %ld bytes at %lx\n", sz, (unsigned long) p );
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return p;
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}
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void my_dealloc2 ( void *p ) {
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// std::printf ( "Freeing %lx\n", (unsigned long) p );
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std::free ( p );
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}
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void my_dealloc3 ( void *p, size_t ) {
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// std::printf ( "Freeing %lx (size %ld)\n", (unsigned long) p, sz );
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std::free ( p );
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}
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void my_construct ( void *) {
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// std::printf ( "Constructing %lx\n", (unsigned long) p );
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}
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void my_destruct ( void *) {
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// std::printf ( "Destructing %lx\n", (unsigned long) p );
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}
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int gCounter;
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void count_construct ( void * ) { ++gCounter; }
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void count_destruct ( void * ) { --gCounter; }
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int gConstructorCounter;
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int gConstructorThrowTarget;
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int gDestructorCounter;
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int gDestructorThrowTarget;
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void throw_construct ( void * ) { if ( gConstructorCounter == gConstructorThrowTarget ) throw 1; ++gConstructorCounter; }
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void throw_destruct ( void * ) { if ( ++gDestructorCounter == gDestructorThrowTarget ) throw 2; }
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struct vec_on_stack {
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void *storage;
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vec_on_stack () : storage ( __cxxabiv1::__cxa_vec_new ( 10, 40, 8, throw_construct, throw_destruct )) {}
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~vec_on_stack () { __cxxabiv1::__cxa_vec_delete ( storage, 40, 8, throw_destruct ); }
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};
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// Make sure the constructors and destructors are matched
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void test_exception_in_destructor ( ) {
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// Try throwing from a destructor while unwinding the stack -- should abort
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gConstructorCounter = gDestructorCounter = 0;
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gConstructorThrowTarget = -1;
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gDestructorThrowTarget = 5;
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try {
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vec_on_stack v;
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throw 3;
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}
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catch ( int i ) {}
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std::cerr << "should never get here" << std::endl;
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}
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int main () {
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std::set_terminate ( my_terminate );
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test_exception_in_destructor ();
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return 1; // we failed if we get here
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}
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