git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@228711 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			81 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.0 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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// <deque>
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// void push_back(value_type&& v);
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// void pop_back();
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// void pop_front();
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#include <deque>
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#include <cassert>
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#include "MoveOnly.h"
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#include "min_allocator.h"
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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template <class C>
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C
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make(int size, int start = 0 )
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{
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    const int b = 4096 / sizeof(int);
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    int init = 0;
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    if (start > 0)
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    {
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        init = (start+1) / b + ((start+1) % b != 0);
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        init *= b;
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        --init;
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    }
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    C c(init);
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    for (int i = 0; i < init-start; ++i)
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        c.pop_back();
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    for (int i = 0; i < size; ++i)
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        c.push_back(MoveOnly(i));
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    for (int i = 0; i < start; ++i)
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        c.pop_front();
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    return c;
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}
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template <class C>
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void test(int size)
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{
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    int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2046, 2047, 2048, 2049};
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    const int N = sizeof(rng)/sizeof(rng[0]);
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    for (int j = 0; j < N; ++j)
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    {
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        C c = make<C>(size, rng[j]);
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        typename C::const_iterator it = c.begin();
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        for (int i = 0; i < size; ++i, ++it)
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            assert(*it == MoveOnly(i));
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    }
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}
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#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
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int main()
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{
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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    {
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    int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2046, 2047, 2048, 2049, 4094, 4095, 4096};
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    const int N = sizeof(rng)/sizeof(rng[0]);
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    for (int j = 0; j < N; ++j)
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        test<std::deque<MoveOnly> >(rng[j]);
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    }
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#if __cplusplus >= 201103L
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    {
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    int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2046, 2047, 2048, 2049, 4094, 4095, 4096};
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    const int N = sizeof(rng)/sizeof(rng[0]);
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    for (int j = 0; j < N; ++j)
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        test<std::deque<MoveOnly, min_allocator<MoveOnly>> >(rng[j]);
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    }
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#endif
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#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
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}
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