1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <deque> 11 12// void pop_front() 13 14#include <deque> 15#include <cassert> 16 17#include "min_allocator.h" 18 19template <class C> 20C 21make(int size, int start = 0 ) 22{ 23 const int b = 4096 / sizeof(int); 24 int init = 0; 25 if (start > 0) 26 { 27 init = (start+1) / b + ((start+1) % b != 0); 28 init *= b; 29 --init; 30 } 31 C c(init, 0); 32 for (int i = 0; i < init-start; ++i) 33 c.pop_back(); 34 for (int i = 0; i < size; ++i) 35 c.push_back(i); 36 for (int i = 0; i < start; ++i) 37 c.pop_front(); 38 return c; 39}; 40 41template <class C> 42void 43test(C& c1) 44{ 45 typedef typename C::iterator I; 46 std::size_t c1_osize = c1.size(); 47 c1.pop_front(); 48 assert(c1.size() == c1_osize - 1); 49 assert(distance(c1.begin(), c1.end()) == c1.size()); 50 I i = c1.begin(); 51 for (int j = 1; j < c1.size(); ++j, ++i) 52 assert(*i == j); 53} 54 55template <class C> 56void 57testN(int start, int N) 58{ 59 if (N != 0) 60 { 61 C c1 = make<C>(N, start); 62 test(c1); 63 } 64} 65 66int main() 67{ 68 { 69 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049}; 70 const int N = sizeof(rng)/sizeof(rng[0]); 71 for (int i = 0; i < N; ++i) 72 for (int j = 0; j < N; ++j) 73 testN<std::deque<int> >(rng[i], rng[j]); 74 } 75#if __cplusplus >= 201103L 76 { 77 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049}; 78 const int N = sizeof(rng)/sizeof(rng[0]); 79 for (int i = 0; i < N; ++i) 80 for (int j = 0; j < N; ++j) 81 testN<std::deque<int, min_allocator<int>> >(rng[i], rng[j]); 82 } 83#endif 84} 85