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 resize(size_type n, const value_type& v);
12
13 #include "asan_testing.h"
14 #include <deque>
15 #include <algorithm>
16 #include <iterator>
17 #include <cassert>
18 #include <cstddef>
19
20 #include "test_macros.h"
21 #include "min_allocator.h"
22
23 template <class C>
24 C
make(int size,int start=0)25 make(int size, int start = 0 )
26 {
27 const int b = 4096 / sizeof(int);
28 int init = 0;
29 if (start > 0)
30 {
31 init = (start+1) / b + ((start+1) % b != 0);
32 init *= b;
33 --init;
34 }
35 C c(init, 0);
36 for (int i = 0; i < init-start; ++i)
37 c.pop_back();
38 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
39 for (int i = 0; i < size; ++i)
40 c.push_back(i);
41 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
42 for (int i = 0; i < start; ++i)
43 c.pop_front();
44 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c));
45 return c;
46 }
47
48 template <class C>
49 void
test(C & c1,int size,int x)50 test(C& c1, int size, int x)
51 {
52 typedef typename C::const_iterator CI;
53 typename C::size_type c1_osize = c1.size();
54 c1.resize(size, x);
55 assert(c1.size() == static_cast<std::size_t>(size));
56 assert(static_cast<std::size_t>(std::distance(c1.begin(), c1.end())) == c1.size());
57 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(c1));
58 CI i = c1.begin();
59 for (int j = 0; static_cast<std::size_t>(j) < std::min(c1_osize, c1.size()); ++j, ++i)
60 assert(*i == j);
61 for (std::size_t j = c1_osize; j < c1.size(); ++j, ++i)
62 assert(*i == x);
63 }
64
65 template <class C>
66 void
testN(int start,int N,int M)67 testN(int start, int N, int M)
68 {
69 C c1 = make<C>(N, start);
70 test(c1, M, -10);
71 }
72
main(int,char **)73 int main(int, char**)
74 {
75 {
76 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049};
77 const int N = sizeof(rng)/sizeof(rng[0]);
78 for (int i = 0; i < N; ++i)
79 for (int j = 0; j < N; ++j)
80 for (int k = 0; k < N; ++k)
81 testN<std::deque<int> >(rng[i], rng[j], rng[k]);
82 }
83 #if TEST_STD_VER >= 11
84 {
85 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049};
86 const int N = sizeof(rng)/sizeof(rng[0]);
87 for (int i = 0; i < N; ++i)
88 for (int j = 0; j < N; ++j)
89 for (int k = 0; k < N; ++k)
90 testN<std::deque<int, min_allocator<int>>>(rng[i], rng[j], rng[k]);
91 }
92 {
93 int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049};
94 const int N = sizeof(rng)/sizeof(rng[0]);
95 for (int i = 0; i < N; ++i)
96 for (int j = 0; j < N; ++j)
97 for (int k = 0; k < N; ++k)
98 testN<std::deque<int, safe_allocator<int>>>(rng[i], rng[j], rng[k]);
99 }
100 #endif
101
102 return 0;
103 }
104