cxx/test/containers/unord/unord.multiset/load_factor.pass.cpp
2010-05-11 21:36:01 +00:00

47 lines
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. 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
// float load_factor() const
#include <unordered_set>
#include <cassert>
int main()
{
{
typedef std::unordered_multiset<int> C;
typedef int P;
P a[] =
{
P(10),
P(20),
P(30),
P(40),
P(50),
P(60),
P(70),
P(80)
};
const C c(std::begin(a), std::end(a));
assert(c.load_factor() == (float)c.size() / c.bucket_count());
}
{
typedef std::unordered_multiset<int> C;
typedef int P;
const C c;
assert(c.load_factor() == 0);
}
}