b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
69 lines
1.8 KiB
C++
69 lines
1.8 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_map
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// mapped_type& operator[](const key_type& k);
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#include <unordered_map>
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#include <string>
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#include <cassert>
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#include "../../../MoveOnly.h"
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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(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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C c(a, a + sizeof(a)/sizeof(a[0]));
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assert(c.size() == 4);
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c[1] = "ONE";
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assert(c.at(1) == "ONE");
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c[11] = "eleven";
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assert(c.size() == 5);
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assert(c.at(11) == "eleven");
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}
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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{
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typedef std::unordered_map<MoveOnly, 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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C c(a, a + sizeof(a)/sizeof(a[0]));
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assert(c.size() == 4);
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c[1] = "ONE";
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assert(c.at(1) == "ONE");
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c[11] = "eleven";
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assert(c.size() == 5);
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assert(c.at(11) == "eleven");
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}
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#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
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}
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