1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <deque> 10 11 // void push_back(const value_type& v); 12 // void pop_back(); 13 // void pop_front(); 14 15 #include <deque> 16 #include <cassert> 17 18 #include "test_macros.h" 19 #include "min_allocator.h" 20 21 template <class C> 22 C 23 make(int size, int start = 0 ) 24 { 25 const int b = 4096 / sizeof(int); 26 int init = 0; 27 if (start > 0) 28 { 29 init = (start+1) / b + ((start+1) % b != 0); 30 init *= b; 31 --init; 32 } 33 C c(init, 0); 34 for (int i = 0; i < init-start; ++i) 35 c.pop_back(); 36 for (int i = 0; i < size; ++i) 37 c.push_back(i); 38 for (int i = 0; i < start; ++i) 39 c.pop_front(); 40 return c; 41 } 42 43 template <class C> 44 void test(int size) 45 { 46 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2046, 2047, 2048, 2049}; 47 const int N = sizeof(rng)/sizeof(rng[0]); 48 for (int j = 0; j < N; ++j) 49 { 50 C c = make<C>(size, rng[j]); 51 typename C::const_iterator it = c.begin(); 52 for (int i = 0; i < size; ++i, ++it) 53 assert(*it == i); 54 } 55 } 56 57 int main(int, char**) 58 { 59 { 60 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2046, 2047, 2048, 2049, 4094, 4095, 4096}; 61 const int N = sizeof(rng)/sizeof(rng[0]); 62 for (int j = 0; j < N; ++j) 63 test<std::deque<int> >(rng[j]); 64 } 65 #if TEST_STD_VER >= 11 66 { 67 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2046, 2047, 2048, 2049, 4094, 4095, 4096}; 68 const int N = sizeof(rng)/sizeof(rng[0]); 69 for (int j = 0; j < N; ++j) 70 test<std::deque<int, min_allocator<int>> >(rng[j]); 71 } 72 #endif 73 74 return 0; 75 } 76