llvm/libcxx/test/std/containers/sequences/vector/vector.cons/assign_initializer_list.pass.cpp

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// UNSUPPORTED: c++03

// <vector>

// void assign(initializer_list<value_type> il);

#include <vector>
#include <cassert>

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

template <typename Vec>
TEST_CONSTEXPR_CXX20 void test(Vec &v)
{
    v.assign({3, 4, 5, 6});
    assert(v.size() == 4);
    assert(is_contiguous_container_asan_correct(v));
    assert(v[0] == 3);
    assert(v[1] == 4);
    assert(v[2] == 5);
    assert(v[3] == 6);
}

TEST_CONSTEXPR_CXX20 bool tests() {
    {
    typedef std::vector<int> V;
    V d1;
    V d2;
    d2.reserve(10);  // no reallocation during assign.
    test(d1);
    test(d2);
    }
    {
    typedef std::vector<int, min_allocator<int>> V;
    V d1;
    V d2;
    d2.reserve(10);  // no reallocation during assign.
    test(d1);
    test(d2);
    }

    return true;
}

int main(int, char**)
{
    tests();
#if TEST_STD_VER > 17
    static_assert(tests());
#endif
    return 0;
}