libcxx/test/std/containers/sequences/vector/vector.cons/assign_size_value.pass.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.
//
//===----------------------------------------------------------------------===//

// <vector>

// void assign(size_type n, const_reference v);

#include <vector>
#include <algorithm>
#include <cassert>
#include <iostream>

#include "min_allocator.h"
#include "asan_testing.h"

bool is6(int x) { return x == 6; }

template <typename Vec>
void test ( Vec &v )
{
    v.assign(5, 6);
    assert(v.size() == 5);
    assert(is_contiguous_container_asan_correct(v)); 
    assert(std::all_of(v.begin(), v.end(), is6));
}

int main()
{
    {
    typedef std::vector<int> V;
    V d1;
    V d2;
    d2.reserve(10);  // no reallocation during assign.
    test(d1);
    test(d2);
    }

#if __cplusplus >= 201103L
    {
    typedef std::vector<int, min_allocator<int>> V;
    V d1;
    V d2;
    d2.reserve(10);  // no reallocation during assign.
    test(d1);
    test(d2);
    }
#endif
}