b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
49 lines
1.3 KiB
C++
49 lines
1.3 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_set>
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// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
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// class Alloc = allocator<Value>>
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// class unordered_set
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// pair<iterator, bool> insert(const value_type& x);
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#include <unordered_set>
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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_set<double> C;
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typedef std::pair<C::iterator, bool> R;
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typedef C::value_type P;
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C c;
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R r = c.insert(P(3.5));
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assert(c.size() == 1);
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assert(*r.first == 3.5);
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assert(r.second);
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r = c.insert(P(3.5));
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assert(c.size() == 1);
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assert(*r.first == 3.5);
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assert(!r.second);
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r = c.insert(P(4.5));
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assert(c.size() == 2);
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assert(*r.first == 4.5);
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assert(r.second);
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r = c.insert(P(5.5));
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assert(c.size() == 3);
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assert(*r.first == 5.5);
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assert(r.second);
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}
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}
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