swap.pass.cpp
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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
//
//===----------------------------------------------------------------------===//
// <vector>
// vector<bool>
// void swap(vector& x);
#include <vector>
#include <cassert>
#include "test_macros.h"
#include "test_allocator.h"
#include "min_allocator.h"
int main(int, char**)
{
{
std::vector<bool> v1(100);
std::vector<bool> v2(200);
v1.swap(v2);
assert(v1.size() == 200);
assert(v1.capacity() >= 200);
assert(v2.size() == 100);
assert(v2.capacity() >= 100);
}
{
typedef test_allocator<bool> A;
std::vector<bool, A> v1(100, true, A(1, 1));
std::vector<bool, A> v2(200, false, A(1, 2));
swap(v1, v2);
assert(v1.size() == 200);
assert(v1.capacity() >= 200);
assert(v2.size() == 100);
assert(v2.capacity() >= 100);
assert(v1.get_allocator().get_id() == 1);
assert(v2.get_allocator().get_id() == 2);
}
{
typedef other_allocator<bool> A;
std::vector<bool, A> v1(100, true, A(1));
std::vector<bool, A> v2(200, false, A(2));
swap(v1, v2);
assert(v1.size() == 200);
assert(v1.capacity() >= 200);
assert(v2.size() == 100);
assert(v2.capacity() >= 100);
assert(v1.get_allocator() == A(2));
assert(v2.get_allocator() == A(1));
}
{
std::vector<bool> v(2);
std::vector<bool>::reference r1 = v[0];
std::vector<bool>::reference r2 = v[1];
r1 = true;
using std::swap;
swap(r1, r2);
assert(v[0] == false);
assert(v[1] == true);
}
#if TEST_STD_VER >= 11
{
std::vector<bool, min_allocator<bool>> v1(100);
std::vector<bool, min_allocator<bool>> v2(200);
v1.swap(v2);
assert(v1.size() == 200);
assert(v1.capacity() >= 200);
assert(v2.size() == 100);
assert(v2.capacity() >= 100);
}
{
typedef min_allocator<bool> A;
std::vector<bool, A> v1(100, true, A());
std::vector<bool, A> v2(200, false, A());
swap(v1, v2);
assert(v1.size() == 200);
assert(v1.capacity() >= 200);
assert(v2.size() == 100);
assert(v2.capacity() >= 100);
assert(v1.get_allocator() == A());
assert(v2.get_allocator() == A());
}
{
std::vector<bool, min_allocator<bool>> v(2);
std::vector<bool, min_allocator<bool>>::reference r1 = v[0];
std::vector<bool, min_allocator<bool>>::reference r2 = v[1];
r1 = true;
using std::swap;
swap(r1, r2);
assert(v[0] == false);
assert(v[1] == true);
}
#endif
return 0;
}