//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// <list>
// void remove(const value_type& value); // pre-c++20
// size_type remove(const value_type& value); // c++20 and later
#include <list>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
struct S {
S(int i) : i_(new int(i)) {}
S(const S &rhs) : i_(new int(*rhs.i_)) {}
S &operator=(const S &rhs) {
*i_ = *rhs.i_;
return *this;
}
~S() {
delete i_;
i_ = NULL;
}
bool operator==(const S &rhs) const { return *i_ == *rhs.i_; }
int get() const { return *i_; }
int *i_;
};
int main(int, char**) {
{
int a1[] = {1, 2, 3, 4};
int a2[] = {1, 2, 4};
typedef std::list<int> L;
L c(a1, a1 + 4);
#if TEST_STD_VER > 17
assert(c.remove(3) == 1);
ASSERT_SAME_TYPE(L::size_type, decltype(c.remove(3)));
#else
ASSERT_SAME_TYPE(void, decltype(c.remove(3)));
c.remove(3);
#endif
assert(c == std::list<int>(a2, a2 + 3));
}
{ // LWG issue #526
int a1[] = {1, 2, 1, 3, 5, 8, 11};
int a2[] = {2, 3, 5, 8, 11};
std::list<int> c(a1, a1 + 7);
c.remove(c.front());
assert(c == std::list<int>(a2, a2 + 5));
}
{
int a1[] = {1, 2, 1, 3, 5, 8, 11, 1};
int a2[] = {2, 3, 5, 8, 11};
std::list<S> c;
for (int *ip = a1; ip < a1 + 8; ++ip)
c.push_back(S(*ip));
#if TEST_STD_VER > 17
assert(c.remove(c.front()) == 3);
#else
c.remove(c.front());
#endif
std::list<S>::const_iterator it = c.begin();
for (int *ip = a2; ip < a2 + 5; ++ip, ++it) {
assert(it != c.end());
assert(*ip == it->get());
}
assert(it == c.end());
}
{
typedef no_default_allocator<int> Alloc;
typedef std::list<int, Alloc> List;
int a1[] = {1, 2, 3, 4};
int a2[] = {1, 2, 4};
List c(a1, a1 + 4, Alloc::create());
#if TEST_STD_VER > 17
assert(c.remove(3) == 1);
#else
c.remove(3);
#endif
assert(c == List(a2, a2 + 3, Alloc::create()));
}
#if TEST_STD_VER >= 11
{
int a1[] = {1, 2, 3, 4};
int a2[] = {1, 2, 4};
std::list<int, min_allocator<int>> c(a1, a1 + 4);
#if TEST_STD_VER > 17
assert(c.remove(3) == 1);
#else
c.remove(3);
#endif
assert((c == std::list<int, min_allocator<int>>(a2, a2 + 3)));
}
#endif
return 0;
}