git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			276 lines
		
	
	
		
			9.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			276 lines
		
	
	
		
			9.4 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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// class map
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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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#include "min_allocator.h"
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int main()
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{
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    {
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        typedef std::map<int, double> M;
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        typedef std::pair<int, double> P;
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        typedef M::size_type R;
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        P ar[] =
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        {
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            P(1, 1.5),
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            P(2, 2.5),
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            P(3, 3.5),
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            P(4, 4.5),
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            P(5, 5.5),
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            P(6, 6.5),
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            P(7, 7.5),
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            P(8, 8.5),
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        };
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        M m(ar, ar + sizeof(ar)/sizeof(ar[0]));
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        assert(m.size() == 8);
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        R s = m.erase(9);
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        assert(s == 0);
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        assert(m.size() == 8);
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        assert(m.begin()->first == 1);
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        assert(m.begin()->second == 1.5);
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        assert(next(m.begin())->first == 2);
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        assert(next(m.begin())->second == 2.5);
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        assert(next(m.begin(), 2)->first == 3);
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        assert(next(m.begin(), 2)->second == 3.5);
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        assert(next(m.begin(), 3)->first == 4);
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        assert(next(m.begin(), 3)->second == 4.5);
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        assert(next(m.begin(), 4)->first == 5);
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        assert(next(m.begin(), 4)->second == 5.5);
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        assert(next(m.begin(), 5)->first == 6);
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        assert(next(m.begin(), 5)->second == 6.5);
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        assert(next(m.begin(), 6)->first == 7);
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        assert(next(m.begin(), 6)->second == 7.5);
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        assert(next(m.begin(), 7)->first == 8);
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        assert(next(m.begin(), 7)->second == 8.5);
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        s = m.erase(4);
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        assert(m.size() == 7);
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        assert(s == 1);
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        assert(m.begin()->first == 1);
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        assert(m.begin()->second == 1.5);
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        assert(next(m.begin())->first == 2);
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        assert(next(m.begin())->second == 2.5);
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        assert(next(m.begin(), 2)->first == 3);
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        assert(next(m.begin(), 2)->second == 3.5);
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        assert(next(m.begin(), 3)->first == 5);
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        assert(next(m.begin(), 3)->second == 5.5);
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        assert(next(m.begin(), 4)->first == 6);
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        assert(next(m.begin(), 4)->second == 6.5);
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        assert(next(m.begin(), 5)->first == 7);
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        assert(next(m.begin(), 5)->second == 7.5);
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        assert(next(m.begin(), 6)->first == 8);
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        assert(next(m.begin(), 6)->second == 8.5);
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        s = m.erase(1);
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        assert(m.size() == 6);
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        assert(s == 1);
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        assert(m.begin()->first == 2);
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        assert(m.begin()->second == 2.5);
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        assert(next(m.begin())->first == 3);
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        assert(next(m.begin())->second == 3.5);
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        assert(next(m.begin(), 2)->first == 5);
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        assert(next(m.begin(), 2)->second == 5.5);
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        assert(next(m.begin(), 3)->first == 6);
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        assert(next(m.begin(), 3)->second == 6.5);
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        assert(next(m.begin(), 4)->first == 7);
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        assert(next(m.begin(), 4)->second == 7.5);
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        assert(next(m.begin(), 5)->first == 8);
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        assert(next(m.begin(), 5)->second == 8.5);
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        s = m.erase(8);
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        assert(m.size() == 5);
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        assert(s == 1);
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        assert(m.begin()->first == 2);
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        assert(m.begin()->second == 2.5);
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        assert(next(m.begin())->first == 3);
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        assert(next(m.begin())->second == 3.5);
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        assert(next(m.begin(), 2)->first == 5);
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        assert(next(m.begin(), 2)->second == 5.5);
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        assert(next(m.begin(), 3)->first == 6);
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        assert(next(m.begin(), 3)->second == 6.5);
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        assert(next(m.begin(), 4)->first == 7);
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        assert(next(m.begin(), 4)->second == 7.5);
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        s = m.erase(3);
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        assert(m.size() == 4);
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        assert(s == 1);
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        assert(m.begin()->first == 2);
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        assert(m.begin()->second == 2.5);
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        assert(next(m.begin())->first == 5);
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        assert(next(m.begin())->second == 5.5);
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        assert(next(m.begin(), 2)->first == 6);
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        assert(next(m.begin(), 2)->second == 6.5);
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        assert(next(m.begin(), 3)->first == 7);
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        assert(next(m.begin(), 3)->second == 7.5);
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        s = m.erase(6);
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        assert(m.size() == 3);
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        assert(s == 1);
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        assert(m.begin()->first == 2);
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        assert(m.begin()->second == 2.5);
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        assert(next(m.begin())->first == 5);
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        assert(next(m.begin())->second == 5.5);
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        assert(next(m.begin(), 2)->first == 7);
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        assert(next(m.begin(), 2)->second == 7.5);
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        s = m.erase(7);
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        assert(m.size() == 2);
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        assert(s == 1);
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        assert(m.begin()->first == 2);
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        assert(m.begin()->second == 2.5);
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        assert(next(m.begin())->first == 5);
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        assert(next(m.begin())->second == 5.5);
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        s = m.erase(2);
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        assert(m.size() == 1);
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        assert(s == 1);
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        assert(m.begin()->first == 5);
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        assert(m.begin()->second == 5.5);
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        s = m.erase(5);
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        assert(m.size() == 0);
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        assert(s == 1);
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    }
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#if __cplusplus >= 201103L
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    {
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        typedef std::map<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M;
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        typedef std::pair<int, double> P;
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        typedef M::size_type R;
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        P ar[] =
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        {
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            P(1, 1.5),
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            P(2, 2.5),
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            P(3, 3.5),
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            P(4, 4.5),
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            P(5, 5.5),
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            P(6, 6.5),
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            P(7, 7.5),
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            P(8, 8.5),
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        };
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        M m(ar, ar + sizeof(ar)/sizeof(ar[0]));
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        assert(m.size() == 8);
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        R s = m.erase(9);
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        assert(s == 0);
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        assert(m.size() == 8);
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        assert(m.begin()->first == 1);
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        assert(m.begin()->second == 1.5);
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        assert(next(m.begin())->first == 2);
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        assert(next(m.begin())->second == 2.5);
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        assert(next(m.begin(), 2)->first == 3);
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        assert(next(m.begin(), 2)->second == 3.5);
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        assert(next(m.begin(), 3)->first == 4);
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        assert(next(m.begin(), 3)->second == 4.5);
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        assert(next(m.begin(), 4)->first == 5);
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        assert(next(m.begin(), 4)->second == 5.5);
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        assert(next(m.begin(), 5)->first == 6);
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        assert(next(m.begin(), 5)->second == 6.5);
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        assert(next(m.begin(), 6)->first == 7);
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        assert(next(m.begin(), 6)->second == 7.5);
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        assert(next(m.begin(), 7)->first == 8);
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        assert(next(m.begin(), 7)->second == 8.5);
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        s = m.erase(4);
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        assert(m.size() == 7);
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        assert(s == 1);
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        assert(m.begin()->first == 1);
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        assert(m.begin()->second == 1.5);
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        assert(next(m.begin())->first == 2);
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        assert(next(m.begin())->second == 2.5);
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        assert(next(m.begin(), 2)->first == 3);
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        assert(next(m.begin(), 2)->second == 3.5);
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        assert(next(m.begin(), 3)->first == 5);
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        assert(next(m.begin(), 3)->second == 5.5);
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        assert(next(m.begin(), 4)->first == 6);
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        assert(next(m.begin(), 4)->second == 6.5);
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        assert(next(m.begin(), 5)->first == 7);
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        assert(next(m.begin(), 5)->second == 7.5);
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        assert(next(m.begin(), 6)->first == 8);
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        assert(next(m.begin(), 6)->second == 8.5);
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        s = m.erase(1);
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        assert(m.size() == 6);
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        assert(s == 1);
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        assert(m.begin()->first == 2);
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        assert(m.begin()->second == 2.5);
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        assert(next(m.begin())->first == 3);
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        assert(next(m.begin())->second == 3.5);
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        assert(next(m.begin(), 2)->first == 5);
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        assert(next(m.begin(), 2)->second == 5.5);
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        assert(next(m.begin(), 3)->first == 6);
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        assert(next(m.begin(), 3)->second == 6.5);
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        assert(next(m.begin(), 4)->first == 7);
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        assert(next(m.begin(), 4)->second == 7.5);
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        assert(next(m.begin(), 5)->first == 8);
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        assert(next(m.begin(), 5)->second == 8.5);
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        s = m.erase(8);
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        assert(m.size() == 5);
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        assert(s == 1);
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        assert(m.begin()->first == 2);
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        assert(m.begin()->second == 2.5);
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        assert(next(m.begin())->first == 3);
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        assert(next(m.begin())->second == 3.5);
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        assert(next(m.begin(), 2)->first == 5);
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        assert(next(m.begin(), 2)->second == 5.5);
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        assert(next(m.begin(), 3)->first == 6);
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        assert(next(m.begin(), 3)->second == 6.5);
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        assert(next(m.begin(), 4)->first == 7);
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        assert(next(m.begin(), 4)->second == 7.5);
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        s = m.erase(3);
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        assert(m.size() == 4);
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        assert(s == 1);
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        assert(m.begin()->first == 2);
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        assert(m.begin()->second == 2.5);
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        assert(next(m.begin())->first == 5);
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        assert(next(m.begin())->second == 5.5);
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        assert(next(m.begin(), 2)->first == 6);
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        assert(next(m.begin(), 2)->second == 6.5);
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        assert(next(m.begin(), 3)->first == 7);
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        assert(next(m.begin(), 3)->second == 7.5);
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        s = m.erase(6);
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        assert(m.size() == 3);
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        assert(s == 1);
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        assert(m.begin()->first == 2);
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        assert(m.begin()->second == 2.5);
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        assert(next(m.begin())->first == 5);
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        assert(next(m.begin())->second == 5.5);
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        assert(next(m.begin(), 2)->first == 7);
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        assert(next(m.begin(), 2)->second == 7.5);
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        s = m.erase(7);
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        assert(m.size() == 2);
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        assert(s == 1);
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        assert(m.begin()->first == 2);
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        assert(m.begin()->second == 2.5);
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        assert(next(m.begin())->first == 5);
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        assert(next(m.begin())->second == 5.5);
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        s = m.erase(2);
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        assert(m.size() == 1);
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        assert(s == 1);
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        assert(m.begin()->first == 5);
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        assert(m.begin()->second == 5.5);
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        s = m.erase(5);
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        assert(m.size() == 0);
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        assert(s == 1);
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    }
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#endif
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}
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