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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <forward_list>
// void erase_after(const_iterator first, const_iterator last);
#include <forward_list>
#include <cassert>
int main()
{
{
typedef int T;
typedef std::forward_list<T> C;
const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
C c(std::begin(t), std::end(t));
c.erase_after(next(c.cbefore_begin(), 4), next(c.cbefore_begin(), 4));
assert(distance(c.begin(), c.end()) == 10);
assert(*next(c.begin(), 0) == 0);
assert(*next(c.begin(), 1) == 1);
assert(*next(c.begin(), 2) == 2);
assert(*next(c.begin(), 3) == 3);
assert(*next(c.begin(), 4) == 4);
assert(*next(c.begin(), 5) == 5);
assert(*next(c.begin(), 6) == 6);
assert(*next(c.begin(), 7) == 7);
assert(*next(c.begin(), 8) == 8);
assert(*next(c.begin(), 9) == 9);
c.erase_after(next(c.cbefore_begin(), 2), next(c.cbefore_begin(), 5));
assert(distance(c.begin(), c.end()) == 8);
assert(*next(c.begin(), 0) == 0);
assert(*next(c.begin(), 1) == 1);
assert(*next(c.begin(), 2) == 4);
assert(*next(c.begin(), 3) == 5);
assert(*next(c.begin(), 4) == 6);
assert(*next(c.begin(), 5) == 7);
assert(*next(c.begin(), 6) == 8);
assert(*next(c.begin(), 7) == 9);
c.erase_after(next(c.cbefore_begin(), 2), next(c.cbefore_begin(), 3));
assert(distance(c.begin(), c.end()) == 8);
assert(*next(c.begin(), 0) == 0);
assert(*next(c.begin(), 1) == 1);
assert(*next(c.begin(), 2) == 4);
assert(*next(c.begin(), 3) == 5);
assert(*next(c.begin(), 4) == 6);
assert(*next(c.begin(), 5) == 7);
assert(*next(c.begin(), 6) == 8);
assert(*next(c.begin(), 7) == 9);
c.erase_after(next(c.cbefore_begin(), 5), next(c.cbefore_begin(), 9));
assert(distance(c.begin(), c.end()) == 5);
assert(*next(c.begin(), 0) == 0);
assert(*next(c.begin(), 1) == 1);
assert(*next(c.begin(), 2) == 4);
assert(*next(c.begin(), 3) == 5);
assert(*next(c.begin(), 4) == 6);
c.erase_after(next(c.cbefore_begin(), 0), next(c.cbefore_begin(), 2));
assert(distance(c.begin(), c.end()) == 4);
assert(*next(c.begin(), 0) == 1);
assert(*next(c.begin(), 1) == 4);
assert(*next(c.begin(), 2) == 5);
assert(*next(c.begin(), 3) == 6);
c.erase_after(next(c.cbefore_begin(), 0), next(c.cbefore_begin(), 5));
assert(distance(c.begin(), c.end()) == 0);
}
}
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