rc1/test/std/containers/sequences/list/list.modifiers/insert_iter_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.
//
//===----------------------------------------------------------------------===//

// <list>

// iterator insert(const_iterator position, const value_type& x);

// UNSUPPORTED: asan, msan

#if _LIBCPP_DEBUG >= 1
#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::exit(0))
#endif

#include <list>
#include <cstdlib>
#include <cassert>

#include "min_allocator.h"

int throw_next = 0xFFFF;
int count = 0;

void* operator new(std::size_t s) throw(std::bad_alloc)
{
    if (throw_next == 0)
        throw std::bad_alloc();
    --throw_next;
    ++count;
    return std::malloc(s);
}

void  operator delete(void* p) throw()
{
    --count;
    std::free(p);
}

int main()
{
    {
    int a1[] = {1, 2, 3};
    int a2[] = {1, 4, 2, 3};
    std::list<int> l1(a1, a1+3);
    std::list<int>::iterator i = l1.insert(next(l1.cbegin()), 4);
    assert(i == next(l1.begin()));
    assert(l1.size() == 4);
    assert(distance(l1.begin(), l1.end()) == 4);
    assert(l1 == std::list<int>(a2, a2+4));
    throw_next = 0;
    int save_count = count;
    try
    {
        i = l1.insert(i, 5);
        assert(false);
    }
    catch (...)
    {
    }
    throw_next = 0xFFFF;
    assert(save_count == count);
    assert(l1 == std::list<int>(a2, a2+4));
    }
#if _LIBCPP_DEBUG >= 1
    {
        std::list<int> v1(3);
        std::list<int> v2(3);
        int i = 4;
        v1.insert(v2.begin(), i);
        assert(false);
    }
#endif
#if __cplusplus >= 201103L
    {
    int a1[] = {1, 2, 3};
    int a2[] = {1, 4, 2, 3};
    std::list<int, min_allocator<int>> l1(a1, a1+3);
    std::list<int, min_allocator<int>>::iterator i = l1.insert(next(l1.cbegin()), 4);
    assert(i == next(l1.begin()));
    assert(l1.size() == 4);
    assert(distance(l1.begin(), l1.end()) == 4);
    assert((l1 == std::list<int, min_allocator<int>>(a2, a2+4)));
    throw_next = 0;
    int save_count = count;
    try
    {
        i = l1.insert(i, 5);
        assert(false);
    }
    catch (...)
    {
    }
    throw_next = 0xFFFF;
    assert(save_count == count);
    assert((l1 == std::list<int, min_allocator<int>>(a2, a2+4)));
    }
#if _LIBCPP_DEBUG >= 1
    {
        std::list<int, min_allocator<int>> v1(3);
        std::list<int, min_allocator<int>> v2(3);
        int i = 4;
        v1.insert(v2.begin(), i);
        assert(false);
    }
#endif
#endif
}