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libcxx initial import

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
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Howard Hinnant
2010-05-11 19:42:16 +00:00
commit bc8d3f97eb
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50
test/containers/unord/unord.set/equal_range_const.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>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_set
// pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
#include <unordered_set>
#include <cassert>
int main()
{
{
typedef std::unordered_set<int> C;
typedef C::const_iterator I;
typedef int P;
P a[] =
{
P(10),
P(20),
P(30),
P(40),
P(50),
P(50),
P(50),
P(60),
P(70),
P(80)
};
const C c(std::begin(a), std::end(a));
std::pair<I, I> r = c.equal_range(30);
assert(std::distance(r.first, r.second) == 1);
assert(*r.first == 30);
r = c.equal_range(5);
assert(std::distance(r.first, r.second) == 0);
r = c.equal_range(50);
assert(std::distance(r.first, r.second) == 1);
assert(*r.first == 50);
}
}