4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <unordered_map>
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// template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
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// class Alloc = allocator<pair<const Key, T>>>
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// class unordered_multimap
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// size_type bucket_size(size_type n) const
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#ifdef _LIBCPP_DEBUG
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#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::exit(0))
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#endif
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#include <unordered_map>
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#include <string>
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#include <cassert>
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#include "../../min_allocator.h"
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int main()
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{
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{
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typedef std::unordered_multimap<int, std::string> C;
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typedef std::pair<int, std::string> P;
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P a[] =
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{
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P(1, "one"),
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P(2, "two"),
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P(3, "three"),
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P(4, "four"),
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P(1, "four"),
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P(2, "four"),
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};
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const C c(std::begin(a), std::end(a));
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assert(c.bucket_count() >= 7);
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assert(c.bucket_size(0) == 0);
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assert(c.bucket_size(1) == 2);
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assert(c.bucket_size(2) == 2);
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assert(c.bucket_size(3) == 1);
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assert(c.bucket_size(4) == 1);
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assert(c.bucket_size(5) == 0);
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assert(c.bucket_size(6) == 0);
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}
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#if __cplusplus >= 201103L
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{
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typedef std::unordered_multimap<int, std::string, std::hash<int>, std::equal_to<int>,
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min_allocator<std::pair<const int, std::string>>> C;
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typedef std::pair<int, std::string> P;
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P a[] =
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{
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P(1, "one"),
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P(2, "two"),
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P(3, "three"),
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P(4, "four"),
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P(1, "four"),
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P(2, "four"),
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};
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const C c(std::begin(a), std::end(a));
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assert(c.bucket_count() >= 7);
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assert(c.bucket_size(0) == 0);
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assert(c.bucket_size(1) == 2);
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assert(c.bucket_size(2) == 2);
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assert(c.bucket_size(3) == 1);
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assert(c.bucket_size(4) == 1);
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assert(c.bucket_size(5) == 0);
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assert(c.bucket_size(6) == 0);
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}
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#endif
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#if _LIBCPP_DEBUG_LEVEL >= 1
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{
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typedef std::unordered_multimap<int, std::string> C;
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C c;
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C::size_type i = c.bucket_size(3);
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assert(false);
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}
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#endif
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}
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