blob: 7d6656a18674628143486dff5823dd940f371abd [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// 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
// void reserve(size_type n);
#include <unordered_set>
#include <cassert>
#include "min_allocator.h"
template <class C>
void test(const C& c)
{
assert(c.size() == 4);
assert(c.count(1) == 1);
assert(c.count(2) == 1);
assert(c.count(3) == 1);
assert(c.count(4) == 1);
}
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]));
test(c);
assert(c.bucket_count() >= 5);
c.reserve(3);
assert(c.bucket_count() == 5);
test(c);
c.max_load_factor(2);
c.reserve(3);
assert(c.bucket_count() >= 2);
test(c);
c.reserve(31);
assert(c.bucket_count() >= 16);
test(c);
}
#if __cplusplus >= 201103L
{
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]));
test(c);
assert(c.bucket_count() >= 5);
c.reserve(3);
assert(c.bucket_count() == 5);
test(c);
c.max_load_factor(2);
c.reserve(3);
assert(c.bucket_count() >= 2);
test(c);
c.reserve(31);
assert(c.bucket_count() >= 16);
test(c);
}
#endif
}