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//===----------------------------------------------------------------------===//
//
// 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_set
// iterator erase(const_iterator first, const_iterator last)
#include <unordered_set>
#include <cassert>
#include "min_allocator.h"
int main()
{
{
typedef std::unordered_set<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);
C::iterator k = c.erase(i, i);
assert(k == i);
assert(c.size() == 4);
assert(c.count(1) == 1);
assert(c.count(2) == 1);
assert(c.count(3) == 1);
assert(c.count(4) == 1);
k = c.erase(i, j);
assert(c.size() == 3);
assert(c.count(1) == 1);
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 TEST_STD_VER >= 11
{
typedef std::unordered_set<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);
C::iterator k = c.erase(i, i);
assert(k == i);
assert(c.size() == 4);
assert(c.count(1) == 1);
assert(c.count(2) == 1);
assert(c.count(3) == 1);
assert(c.count(4) == 1);
k = c.erase(i, j);
assert(c.size() == 3);
assert(c.count(1) == 1);
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
}
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