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libcxx_old/test/std/containers/sequences/vector.bool/emplace.pass.cpp

70 lines
1.8 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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++98, c++03, c++11
// <vector>
// vector<bool>
// template <class... Args> iterator emplace(const_iterator pos, Args&&... args);
#include <vector>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
int main(int, char**)
{
{
typedef std::vector<bool> C;
C c;
C::iterator i = c.emplace(c.cbegin());
assert(i == c.begin());
assert(c.size() == 1);
assert(c.front() == false);
i = c.emplace(c.cend(), true);
assert(i == c.end()-1);
assert(c.size() == 2);
assert(c.front() == false);
assert(c.back() == true);
i = c.emplace(c.cbegin()+1, true);
assert(i == c.begin()+1);
assert(c.size() == 3);
assert(c.front() == false);
assert(c[1] == true);
assert(c.back() == true);
}
{
typedef std::vector<bool, min_allocator<bool>> C;
C c;
C::iterator i = c.emplace(c.cbegin());
assert(i == c.begin());
assert(c.size() == 1);
assert(c.front() == false);
i = c.emplace(c.cend(), true);
assert(i == c.end()-1);
assert(c.size() == 2);
assert(c.front() == false);
assert(c.back() == true);
i = c.emplace(c.cbegin()+1, true);
assert(i == c.begin()+1);
assert(c.size() == 3);
assert(c.size() == 3);
assert(c.front() == false);
assert(c[1] == true);
assert(c.back() == true);
}
return 0;
}