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//===----------------------------------------------------------------------===//
//
// 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 && !stdlib=libc++
// <vector>
// template <class... Args> iterator emplace(const_iterator pos, Args&&... args);
#include <vector>
#include <cassert>
#include "test_macros.h"
#include "test_allocator.h"
#include "min_allocator.h"
#include "asan_testing.h"
class A
{
int i_;
double d_;
A(const A&);
A& operator=(const A&);
public:
TEST_CONSTEXPR_CXX14 A(int i, double d)
: i_(i), d_(d) {}
TEST_CONSTEXPR_CXX14 A(A&& a)
: i_(a.i_),
d_(a.d_)
{
a.i_ = 0;
a.d_ = 0;
}
TEST_CONSTEXPR_CXX14 A& operator=(A&& a)
{
i_ = a.i_;
d_ = a.d_;
a.i_ = 0;
a.d_ = 0;
return *this;
}
TEST_CONSTEXPR_CXX14 int geti() const {return i_;}
TEST_CONSTEXPR_CXX14 double getd() const {return d_;}
};
TEST_CONSTEXPR_CXX20 bool tests()
{
{
std::vector<A> c;
std::vector<A>::iterator i = c.emplace(c.cbegin(), 2, 3.5);
assert(i == c.begin());
assert(c.size() == 1);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(is_contiguous_container_asan_correct(c));
i = c.emplace(c.cend(), 3, 4.5);
assert(i == c.end()-1);
assert(c.size() == 2);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(c.back().geti() == 3);
assert(c.back().getd() == 4.5);
assert(is_contiguous_container_asan_correct(c));
i = c.emplace(c.cbegin()+1, 4, 6.5);
assert(i == c.begin()+1);
assert(c.size() == 3);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(c[1].geti() == 4);
assert(c[1].getd() == 6.5);
assert(c.back().geti() == 3);
assert(c.back().getd() == 4.5);
assert(is_contiguous_container_asan_correct(c));
}
{
std::vector<A, limited_allocator<A, 7> > c;
std::vector<A, limited_allocator<A, 7> >::iterator i = c.emplace(c.cbegin(), 2, 3.5);
assert(i == c.begin());
assert(c.size() == 1);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(is_contiguous_container_asan_correct(c));
i = c.emplace(c.cend(), 3, 4.5);
assert(i == c.end()-1);
assert(c.size() == 2);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(c.back().geti() == 3);
assert(c.back().getd() == 4.5);
assert(is_contiguous_container_asan_correct(c));
i = c.emplace(c.cbegin()+1, 4, 6.5);
assert(i == c.begin()+1);
assert(c.size() == 3);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(c[1].geti() == 4);
assert(c[1].getd() == 6.5);
assert(c.back().geti() == 3);
assert(c.back().getd() == 4.5);
assert(is_contiguous_container_asan_correct(c));
}
{
std::vector<A, min_allocator<A> > c;
std::vector<A, min_allocator<A> >::iterator i = c.emplace(c.cbegin(), 2, 3.5);
assert(i == c.begin());
assert(c.size() == 1);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
i = c.emplace(c.cend(), 3, 4.5);
assert(i == c.end()-1);
assert(c.size() == 2);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(c.back().geti() == 3);
assert(c.back().getd() == 4.5);
i = c.emplace(c.cbegin()+1, 4, 6.5);
assert(i == c.begin()+1);
assert(c.size() == 3);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(c[1].geti() == 4);
assert(c[1].getd() == 6.5);
assert(c.back().geti() == 3);
assert(c.back().getd() == 4.5);
}
return true;
}
int main(int, char**)
{
tests();
#if TEST_STD_VER > 17
static_assert(tests());
#endif
return 0;
}
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