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 "asan_testing.h"
16#include <deque>
17#include <cassert>
18
19#include "test_macros.h"
20#include "min_allocator.h"
21
22template <class C>
23C make(int size, int start = 0) {
24 const int b = 4096 / sizeof(int);
25 int init = 0;
26 if (start > 0) {
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 test(int size) {
43 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2046, 2047, 2048, 2049};
44 const int N = sizeof(rng) / sizeof(rng[0]);
45 for (int j = 0; j < N; ++j) {
46 C c = make<C>(size, rng[j]);
47 typename C::const_iterator it = c.begin();
48 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
49 for (int i = 0; i < size; ++i, ++it)
50 assert(*it == i);
51 }
52}
53
54int main(int, char**) {
55 {
56 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2046, 2047, 2048, 2049, 4094, 4095, 4096};
57 const int N = sizeof(rng) / sizeof(rng[0]);
58 for (int j = 0; j < N; ++j)
59 test<std::deque<int> >(size: rng[j]);
60 }
61#if TEST_STD_VER >= 11
62 {
63 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2046, 2047, 2048, 2049, 4094, 4095, 4096};
64 const int N = sizeof(rng) / sizeof(rng[0]);
65 for (int j = 0; j < N; ++j)
66 test<std::deque<int, min_allocator<int>> >(rng[j]);
67 }
68#endif
69
70 return 0;
71}
72

source code of libcxx/test/std/containers/sequences/deque/deque.modifiers/push_back.pass.cpp