23.bitset.cons.stdcxx-297.cpp

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#include <cassert>
#include <new>
#include <bitset>
#include <string>
#include <cstddef>
#include <string.h>
 
int main ()
{
    typedef std::bitset<128> BitSet;
    const std::size_t size = sizeof (BitSet);
 
    char buf [size + 4];
    memset (buf, '\xff', sizeof (buf));
 
    const std::basic_string<int> s;
    BitSet* btest = new (buf) BitSet (s);
 
    for (std::size_t i = size; i < sizeof (buf); ++i)
        assert ('\xff' == buf [i]);
 
    btest->~BitSet ();
 
    return 0;
}