26.valarray.unary.stdcxx-314.cpp

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#include <cassert>
#include <cstdlib>
#include <cstring>
#include <new>
#include <valarray>
 
 
void* operator new (std::size_t s) throw (std::bad_alloc)
{
    return std::memset (std::malloc (s), 0x55, s);
}
 
void operator delete (void *ptr) throw ()
{
    std::free (ptr);
}
 
 
struct S {
    const S* const self;
    S (): self (this) { }
    S (const S &s): self (this) { assert (&s == s.self); }
    ~S () { assert (this == self); }
 
    S operator+ () const { assert (this == self); return *this; }
    S operator- () const { assert (this == self); return *this; }
    S operator~ () const { assert (this == self); return *this; }
    bool operator! () const { assert (this == self); return false; }
 
void operator= (const S &s) { assert (this == self && &s == s.self); }
};
 
int main ()
{
    const std::valarray<S> a (2);
 
    +a;
    -a;
    ~a;
    !a;
}