sources/cxx-stl/gabi++/tests/test_vector2.cpp

//===--------------------------- test_vector2.cpp -------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "cxxabi.h"

#include <stdio.h>
#include <cstdlib>

void my_terminate () { exit ( 0 ); }

//  Wrapper routines
void *my_alloc2 ( size_t sz ) {
    void *p = std::malloc ( sz );
//  std::printf ( "Allocated %ld bytes at %lx\n", sz, (unsigned long) p );  
    return p;
    }
    
void my_dealloc2 ( void *p ) {
//  std::printf ( "Freeing %lx\n", (unsigned long) p ); 
    std::free ( p ); 
    }

void my_dealloc3 ( void *p, size_t   sz   ) {
//  std::printf ( "Freeing %lx (size %ld)\n", (unsigned long) p, sz );  
    std::free ( p ); 
    }

#ifdef __arm__
#define CTOR_RETURN_TYPE void*
#define CTOR_RETURN(x) return x
#else
#define CTOR_RETURN_TYPE void
#define CTOR_RETURN(x) return
#endif

CTOR_RETURN_TYPE my_construct ( void *p ) {
//     printf ( "Constructing %p\n", p );
    CTOR_RETURN(p);
    }

CTOR_RETURN_TYPE my_destruct  ( void *p ) {
//     printf ( "Destructing  %p\n", p );
    CTOR_RETURN(p);
    }

int gCounter;
CTOR_RETURN_TYPE count_construct ( void *p ) { ++gCounter; CTOR_RETURN(p); }
CTOR_RETURN_TYPE count_destruct  ( void *p ) { --gCounter; CTOR_RETURN(p); }


int gConstructorCounter;
int gConstructorThrowTarget;
int gDestructorCounter;
int gDestructorThrowTarget;
CTOR_RETURN_TYPE throw_construct ( void *p ) {
    if ( gConstructorCounter == gConstructorThrowTarget )
      throw 1;
    ++gConstructorCounter;
  CTOR_RETURN(p);
}

CTOR_RETURN_TYPE throw_destruct ( void *p ) {
  if ( ++gDestructorCounter == gDestructorThrowTarget )
    throw 2;
  CTOR_RETURN(p);
}

struct vec_on_stack {
    void *storage;
    vec_on_stack () : storage ( __cxxabiv1::__cxa_vec_new    (            10, 40, 8, throw_construct, throw_destruct )) {}
    ~vec_on_stack () {          __cxxabiv1::__cxa_vec_delete ( storage,       40, 8,                  throw_destruct );  }
    };


//  Make sure the constructors and destructors are matched
void test_exception_in_destructor ( ) {

//  Try throwing from a destructor while unwinding the stack -- should abort
    gConstructorCounter = gDestructorCounter = 0;
    gConstructorThrowTarget = -1;
    gDestructorThrowTarget  = 5;
    try {
        vec_on_stack v;
        throw 3;
        }
    catch ( int i ) {}

    fprintf(stderr, "should never get here\n");
    }



int main ( int argc, char *argv [] ) {
    std::set_terminate ( my_terminate );
    test_exception_in_destructor ();
    return 1;       // we failed if we get here
    }