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53 lines
1.4 KiB
C++
53 lines
1.4 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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// <map>
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// template <class Key, class T, class Compare = less<Key>,
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// class Allocator = allocator<pair<const Key, T>>>
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// class map
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// https://bugs.llvm.org/show_bug.cgi?id=16538
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// https://bugs.llvm.org/show_bug.cgi?id=16549
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#include <map>
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#include <utility>
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#include <cassert>
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struct Key {
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template <typename T> Key(const T&) {}
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bool operator< (const Key&) const { return false; }
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};
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int main()
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{
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typedef std::map<Key, int> MapT;
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typedef MapT::iterator Iter;
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typedef std::pair<Iter, bool> IterBool;
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{
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MapT m_empty;
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MapT m_contains;
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m_contains[Key(0)] = 42;
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Iter it = m_empty.find(Key(0));
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assert(it == m_empty.end());
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it = m_contains.find(Key(0));
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assert(it != m_contains.end());
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}
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{
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MapT map;
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IterBool result = map.insert(std::make_pair(Key(0), 42));
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assert(result.second);
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assert(result.first->second == 42);
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IterBool result2 = map.insert(std::make_pair(Key(0), 43));
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assert(!result2.second);
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assert(map[Key(0)] == 42);
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}
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}
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