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 // iterator insert (const_iterator p, const value_type& v); 13 14 #include <deque> 15 #include <cassert> 16 17 #include "min_allocator.h" 18 19 template <class C> 20 C 21 make(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 41 template <class C> 42 void 43 test(int P, C& c1, int x) 44 { 45 typedef typename C::iterator I; 46 typedef typename C::const_iterator CI; 47 std::size_t c1_osize = c1.size(); 48 CI i = c1.insert(c1.begin() + P, x); 49 assert(i == c1.begin() + P); 50 assert(c1.size() == c1_osize + 1); 51 assert(distance(c1.begin(), c1.end()) == c1.size()); 52 i = c1.begin(); 53 for (int j = 0; j < P; ++j, ++i) 54 assert(*i == j); 55 assert(*i == x); 56 ++i; 57 for (int j = P; j < c1_osize; ++j, ++i) 58 assert(*i == j); 59 } 60 61 template <class C> 62 void 63 testN(int start, int N) 64 { 65 typedef typename C::iterator I; 66 typedef typename C::const_iterator CI; 67 for (int i = 0; i <= 3; ++i) 68 { 69 if (0 <= i && i <= N) 70 { 71 C c1 = make<C>(N, start); 72 test(i, c1, -10); 73 } 74 } 75 for (int i = N/2-1; i <= N/2+1; ++i) 76 { 77 if (0 <= i && i <= N) 78 { 79 C c1 = make<C>(N, start); 80 test(i, c1, -10); 81 } 82 } 83 for (int i = N - 3; i <= N; ++i) 84 { 85 if (0 <= i && i <= N) 86 { 87 C c1 = make<C>(N, start); 88 test(i, c1, -10); 89 } 90 } 91 } 92 93 template <class C> 94 void 95 self_reference_test() 96 { 97 typedef typename C::const_iterator CI; 98 for (int i = 0; i < 20; ++i) 99 { 100 for (int j = 0; j < 20; ++j) 101 { 102 C c = make<C>(20); 103 CI it = c.cbegin() + i; 104 CI jt = c.cbegin() + j; 105 c.insert(it, *jt); 106 assert(c.size() == 21); 107 assert(distance(c.begin(), c.end()) == c.size()); 108 it = c.cbegin(); 109 for (int k = 0; k < i; ++k, ++it) 110 assert(*it == k); 111 assert(*it == j); 112 ++it; 113 for (int k = i; k < 20; ++k, ++it) 114 assert(*it == k); 115 } 116 } 117 } 118 119 int main() 120 { 121 { 122 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049}; 123 const int N = sizeof(rng)/sizeof(rng[0]); 124 for (int i = 0; i < N; ++i) 125 for (int j = 0; j < N; ++j) 126 testN<std::deque<int> >(rng[i], rng[j]); 127 self_reference_test<std::deque<int> >(); 128 } 129 #if __cplusplus >= 201103L 130 { 131 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049}; 132 const int N = sizeof(rng)/sizeof(rng[0]); 133 for (int i = 0; i < N; ++i) 134 for (int j = 0; j < N; ++j) 135 testN<std::deque<int, min_allocator<int>> >(rng[i], rng[j]); 136 self_reference_test<std::deque<int, min_allocator<int>> >(); 137 } 138 #endif 139 } 140
