7a6b7cedcb
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@184635 91177308-0d34-0410-b5e6-96231b3b80d8
95 lines
2.4 KiB
C++
95 lines
2.4 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <unordered_set>
|
|
|
|
// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
|
|
// class Alloc = allocator<Value>>
|
|
// class unordered_multiset
|
|
|
|
// iterator erase(const_iterator first, const_iterator last)
|
|
|
|
#include <unordered_set>
|
|
#include <cassert>
|
|
|
|
#include "../../min_allocator.h"
|
|
|
|
int main()
|
|
{
|
|
{
|
|
typedef std::unordered_multiset<int> C;
|
|
typedef int P;
|
|
P a[] =
|
|
{
|
|
P(1),
|
|
P(2),
|
|
P(3),
|
|
P(4),
|
|
P(1),
|
|
P(2)
|
|
};
|
|
C c(a, a + sizeof(a)/sizeof(a[0]));
|
|
C::const_iterator i = c.find(2);
|
|
C::const_iterator j = next(i, 2);
|
|
C::iterator k = c.erase(i, i);
|
|
assert(k == i);
|
|
assert(c.size() == 6);
|
|
assert(c.count(1) == 2);
|
|
assert(c.count(2) == 2);
|
|
assert(c.count(3) == 1);
|
|
assert(c.count(4) == 1);
|
|
|
|
k = c.erase(i, j);
|
|
assert(c.size() == 4);
|
|
assert(c.count(1) == 2);
|
|
assert(c.count(3) == 1);
|
|
assert(c.count(4) == 1);
|
|
|
|
k = c.erase(c.cbegin(), c.cend());
|
|
assert(c.size() == 0);
|
|
assert(k == c.end());
|
|
}
|
|
#if __cplusplus >= 201103L
|
|
{
|
|
typedef std::unordered_multiset<int, std::hash<int>,
|
|
std::equal_to<int>, min_allocator<int>> C;
|
|
typedef int P;
|
|
P a[] =
|
|
{
|
|
P(1),
|
|
P(2),
|
|
P(3),
|
|
P(4),
|
|
P(1),
|
|
P(2)
|
|
};
|
|
C c(a, a + sizeof(a)/sizeof(a[0]));
|
|
C::const_iterator i = c.find(2);
|
|
C::const_iterator j = next(i, 2);
|
|
C::iterator k = c.erase(i, i);
|
|
assert(k == i);
|
|
assert(c.size() == 6);
|
|
assert(c.count(1) == 2);
|
|
assert(c.count(2) == 2);
|
|
assert(c.count(3) == 1);
|
|
assert(c.count(4) == 1);
|
|
|
|
k = c.erase(i, j);
|
|
assert(c.size() == 4);
|
|
assert(c.count(1) == 2);
|
|
assert(c.count(3) == 1);
|
|
assert(c.count(4) == 1);
|
|
|
|
k = c.erase(c.cbegin(), c.cend());
|
|
assert(c.size() == 0);
|
|
assert(k == c.end());
|
|
}
|
|
#endif
|
|
}
|