bc8d3f97eb
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe 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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// <map>
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// class multimap
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// size_type erase(const key_type& k);
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#include <map>
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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::multimap<int, double> M;
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typedef std::pair<int, double> P;
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typedef M::size_type I;
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P ar[] =
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{
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P(1, 1),
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P(1, 1.5),
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P(1, 2),
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P(2, 1),
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P(2, 1.5),
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P(2, 2),
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P(3, 1),
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P(3, 1.5),
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P(3, 2),
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};
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M m(ar, ar + sizeof(ar)/sizeof(ar[0]));
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assert(m.size() == 9);
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I i = m.erase(2);
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assert(m.size() == 6);
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assert(i == 3);
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assert(next(m.begin(), 0)->first == 1);
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assert(next(m.begin(), 0)->second == 1);
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assert(next(m.begin(), 1)->first == 1);
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assert(next(m.begin(), 1)->second == 1.5);
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assert(next(m.begin(), 2)->first == 1);
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assert(next(m.begin(), 2)->second == 2);
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assert(next(m.begin(), 3)->first == 3);
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assert(next(m.begin(), 3)->second == 1);
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assert(next(m.begin(), 4)->first == 3);
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assert(next(m.begin(), 4)->second == 1.5);
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assert(next(m.begin(), 5)->first == 3);
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assert(next(m.begin(), 5)->second == 2);
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i = m.erase(2);
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assert(m.size() == 6);
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assert(i == 0);
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assert(next(m.begin(), 0)->first == 1);
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assert(next(m.begin(), 0)->second == 1);
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assert(next(m.begin(), 1)->first == 1);
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assert(next(m.begin(), 1)->second == 1.5);
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assert(next(m.begin(), 2)->first == 1);
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assert(next(m.begin(), 2)->second == 2);
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assert(next(m.begin(), 3)->first == 3);
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assert(next(m.begin(), 3)->second == 1);
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assert(next(m.begin(), 4)->first == 3);
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assert(next(m.begin(), 4)->second == 1.5);
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assert(next(m.begin(), 5)->first == 3);
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assert(next(m.begin(), 5)->second == 2);
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i = m.erase(3);
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assert(m.size() == 3);
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assert(next(m.begin(), 0)->first == 1);
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assert(next(m.begin(), 0)->second == 1);
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assert(next(m.begin(), 1)->first == 1);
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assert(next(m.begin(), 1)->second == 1.5);
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assert(next(m.begin(), 2)->first == 1);
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assert(next(m.begin(), 2)->second == 2);
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i = m.erase(1);
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assert(m.size() == 0);
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assert(i == 3);
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}
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}
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