48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
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//===----------------------------------------------------------------------===//
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//
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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
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//
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// This file is distributed under the University of Illinois Open Source
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// License. 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_map
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// float load_factor() const
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#include <unordered_map>
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#include <string>
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#include <cassert>
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int main()
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{
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{
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typedef std::unordered_map<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(10, "ten"),
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P(20, "twenty"),
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P(30, "thirty"),
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P(40, "fourty"),
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P(50, "fifty"),
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P(60, "sixty"),
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P(70, "seventy"),
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P(80, "eighty"),
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};
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const C c(std::begin(a), std::end(a));
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assert(c.load_factor() == (float)c.size() / c.bucket_count());
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}
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{
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typedef std::unordered_map<int, std::string> C;
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typedef std::pair<int, std::string> P;
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const C c;
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assert(c.load_factor() == 0);
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}
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}
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