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libcxx/test/std/containers/sequences/list/list.ops/remove.pass.cpp

84 lines
2.0 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <list>
// void remove(const value_type& value);
#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 a1[] = {1, 2, 3, 4};
int a2[] = {1, 2, 4};
std::list<int> c(a1, a1 + 4);
c.remove(3);
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));
c.remove(c.front());
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());
c.remove(3);
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);
c.remove(3);
assert((c == std::list<int, min_allocator<int>>(a2, a2 + 3)));
}
#endif
}