23.vector.cons.stdcxx-294.cpp

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#include <assert.h>
#include <vector>
 
int main()
{
    static const int a[] = { 1, 2, 3, 4, 5 };
    std::vector<int> v (a, a + sizeof a / sizeof *a);
 
    v.insert (v.begin () + 2, 2, -1);
 
    static const int b[] = { 1, 2, -1, -1, 3, 4, 5 };
 
    const int pass = v == std::vector<int>(b, b + sizeof b / sizeof *b);
 
    assert (pass);
 
    return 1 - pass;
}