(разн.) ← Предыдущая | Текущая версия (разн.) | Следующая → (разн.)
Demonstrating standard new throwing bad_alloc when memory cannot be allocated
#include <iostream>
using std::cerr;
using std::cout;
using std::endl;
#include <new>
using std::bad_alloc;
int main()
{
double *ptr[ 50 ];
try
{
for ( int i = 0; i < 50; i++ )
{
ptr[ i ] = new double[ 50000000 ];
cout << "Allocated 50000000 doubles in ptr[ " << i << " ]\n";
}
}catch ( bad_alloc &memoryAllocationException )
{
cerr << "Exception occurred: " << memoryAllocationException.what() << endl;
}
return 0;
}Allocated 50000000 doubles in ptr[ 0 ]
Allocated 50000000 doubles in ptr[ 1 ]
Allocated 50000000 doubles in ptr[ 2 ]
Allocated 50000000 doubles in ptr[ 3 ]
Allocated 50000000 doubles in ptr[ 4 ]
Exception occurred: St9bad_alloc
