libcxx/test/std/containers/sequences/vector/vector.modifiers/erase_iter_iter.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>

// iterator erase(const_iterator first, const_iterator last);

#include <vector>
#include <iterator>
#include <cassert>

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

int main()
{
    int a1[] = {1, 2, 3};
    {
        std::vector<int> l1(a1, a1+3);
        assert(is_contiguous_container_asan_correct(l1)); 
        std::vector<int>::iterator i = l1.erase(l1.cbegin(), l1.cbegin());
        assert(l1.size() == 3);
        assert(distance(l1.cbegin(), l1.cend()) == 3);
        assert(i == l1.begin());
        assert(is_contiguous_container_asan_correct(l1)); 
    }
    {
        std::vector<int> l1(a1, a1+3);
        assert(is_contiguous_container_asan_correct(l1)); 
        std::vector<int>::iterator i = l1.erase(l1.cbegin(), next(l1.cbegin()));
        assert(l1.size() == 2);
        assert(distance(l1.cbegin(), l1.cend()) == 2);
        assert(i == l1.begin());
        assert(l1 == std::vector<int>(a1+1, a1+3));
        assert(is_contiguous_container_asan_correct(l1)); 
    }
    {
        std::vector<int> l1(a1, a1+3);
        assert(is_contiguous_container_asan_correct(l1)); 
        std::vector<int>::iterator i = l1.erase(l1.cbegin(), next(l1.cbegin(), 2));
        assert(l1.size() == 1);
        assert(distance(l1.cbegin(), l1.cend()) == 1);
        assert(i == l1.begin());
        assert(l1 == std::vector<int>(a1+2, a1+3));
        assert(is_contiguous_container_asan_correct(l1)); 
    }
    {
        std::vector<int> l1(a1, a1+3);
        assert(is_contiguous_container_asan_correct(l1)); 
        std::vector<int>::iterator i = l1.erase(l1.cbegin(), next(l1.cbegin(), 3));
        assert(l1.size() == 0);
        assert(distance(l1.cbegin(), l1.cend()) == 0);
        assert(i == l1.begin());
        assert(is_contiguous_container_asan_correct(l1)); 
    }
    {
        std::vector<std::vector<int> > outer(2, std::vector<int>(1));
        assert(is_contiguous_container_asan_correct(outer)); 
        assert(is_contiguous_container_asan_correct(outer[0])); 
        assert(is_contiguous_container_asan_correct(outer[1])); 
        outer.erase(outer.begin(), outer.begin());
        assert(outer.size() == 2);
        assert(outer[0].size() == 1);
        assert(outer[1].size() == 1);
        assert(is_contiguous_container_asan_correct(outer)); 
        assert(is_contiguous_container_asan_correct(outer[0])); 
        assert(is_contiguous_container_asan_correct(outer[1])); 
    }
#if __cplusplus >= 201103L
    {
        std::vector<int, min_allocator<int>> l1(a1, a1+3);
        assert(is_contiguous_container_asan_correct(l1)); 
        std::vector<int, min_allocator<int>>::iterator i = l1.erase(l1.cbegin(), l1.cbegin());
        assert(l1.size() == 3);
        assert(distance(l1.cbegin(), l1.cend()) == 3);
        assert(i == l1.begin());
        assert(is_contiguous_container_asan_correct(l1)); 
    }
    {
        std::vector<int, min_allocator<int>> l1(a1, a1+3);
        assert(is_contiguous_container_asan_correct(l1)); 
        std::vector<int, min_allocator<int>>::iterator i = l1.erase(l1.cbegin(), next(l1.cbegin()));
        assert(l1.size() == 2);
        assert(distance(l1.cbegin(), l1.cend()) == 2);
        assert(i == l1.begin());
        assert((l1 == std::vector<int, min_allocator<int>>(a1+1, a1+3)));
        assert(is_contiguous_container_asan_correct(l1)); 
    }
    {
        std::vector<int, min_allocator<int>> l1(a1, a1+3);
        assert(is_contiguous_container_asan_correct(l1)); 
        std::vector<int, min_allocator<int>>::iterator i = l1.erase(l1.cbegin(), next(l1.cbegin(), 2));
        assert(l1.size() == 1);
        assert(distance(l1.cbegin(), l1.cend()) == 1);
        assert(i == l1.begin());
        assert((l1 == std::vector<int, min_allocator<int>>(a1+2, a1+3)));
        assert(is_contiguous_container_asan_correct(l1)); 
    }
    {
        std::vector<int, min_allocator<int>> l1(a1, a1+3);
        assert(is_contiguous_container_asan_correct(l1)); 
        std::vector<int, min_allocator<int>>::iterator i = l1.erase(l1.cbegin(), next(l1.cbegin(), 3));
        assert(l1.size() == 0);
        assert(distance(l1.cbegin(), l1.cend()) == 0);
        assert(i == l1.begin());
        assert(is_contiguous_container_asan_correct(l1)); 
    }
    {
        std::vector<std::vector<int, min_allocator<int>>, min_allocator<std::vector<int, min_allocator<int>>>> outer(2, std::vector<int, min_allocator<int>>(1));
        assert(is_contiguous_container_asan_correct(outer)); 
        assert(is_contiguous_container_asan_correct(outer[0])); 
        assert(is_contiguous_container_asan_correct(outer[1])); 
        outer.erase(outer.begin(), outer.begin());
        assert(outer.size() == 2);
        assert(outer[0].size() == 1);
        assert(outer[1].size() == 1);
        assert(is_contiguous_container_asan_correct(outer)); 
        assert(is_contiguous_container_asan_correct(outer[0])); 
        assert(is_contiguous_container_asan_correct(outer[1])); 
    }
#endif
}