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// <vector>
10
11// vector(const vector& v);
12
13#include <vector>
14#include <cassert>
15
16#include "test_macros.h"
17#include "test_allocator.h"
18#include "min_allocator.h"
19#include "asan_testing.h"
20
21template <class C>
22TEST_CONSTEXPR_CXX20 void test(const C& x) {
23 typename C::size_type s = x.size();
24 C c(x);
25 LIBCPP_ASSERT(c.__invariants());
26 assert(c.size() == s);
27 assert(c == x);
28 LIBCPP_ASSERT(is_contiguous_container_asan_correct(c));
29}
30
31TEST_CONSTEXPR_CXX20 bool tests() {
32 {
33 int a[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 8, 7, 6, 5, 4, 3, 1, 0};
34 int* an = a + sizeof(a) / sizeof(a[0]);
35 test(std::vector<int>(a, an));
36 }
37 {
38 std::vector<int, test_allocator<int> > v(3, 2, test_allocator<int>(5));
39 std::vector<int, test_allocator<int> > v2 = v;
40 assert(is_contiguous_container_asan_correct(v));
41 assert(is_contiguous_container_asan_correct(v2));
42 assert(v2 == v);
43 assert(v2.get_allocator() == v.get_allocator());
44 assert(is_contiguous_container_asan_correct(v));
45 assert(is_contiguous_container_asan_correct(v2));
46 }
47 {
48 // Test copy ctor with empty source
49 std::vector<int, test_allocator<int> > v(test_allocator<int>(5));
50 std::vector<int, test_allocator<int> > v2 = v;
51 assert(is_contiguous_container_asan_correct(v));
52 assert(is_contiguous_container_asan_correct(v2));
53 assert(v2 == v);
54 assert(v2.get_allocator() == v.get_allocator());
55 assert(is_contiguous_container_asan_correct(v));
56 assert(is_contiguous_container_asan_correct(v2));
57 assert(v2.empty());
58 }
59#if TEST_STD_VER >= 11
60 {
61 std::vector<int, other_allocator<int> > v(3, 2, other_allocator<int>(5));
62 std::vector<int, other_allocator<int> > v2 = v;
63 assert(is_contiguous_container_asan_correct(v));
64 assert(is_contiguous_container_asan_correct(v2));
65 assert(v2 == v);
66 assert(v2.get_allocator() == other_allocator<int>(-2));
67 assert(is_contiguous_container_asan_correct(v));
68 assert(is_contiguous_container_asan_correct(v2));
69 }
70 {
71 int a[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 8, 7, 6, 5, 4, 3, 1, 0};
72 int* an = a + sizeof(a) / sizeof(a[0]);
73 test(std::vector<int, min_allocator<int>>(a, an));
74 test(std::vector<int, safe_allocator<int>>(a, an));
75 }
76 {
77 std::vector<int, min_allocator<int> > v(3, 2, min_allocator<int>());
78 std::vector<int, min_allocator<int> > v2 = v;
79 assert(is_contiguous_container_asan_correct(v));
80 assert(is_contiguous_container_asan_correct(v2));
81 assert(v2 == v);
82 assert(v2.get_allocator() == v.get_allocator());
83 assert(is_contiguous_container_asan_correct(v));
84 assert(is_contiguous_container_asan_correct(v2));
85 }
86 {
87 std::vector<int, safe_allocator<int> > v(3, 2, safe_allocator<int>());
88 std::vector<int, safe_allocator<int> > v2 = v;
89 assert(is_contiguous_container_asan_correct(v));
90 assert(is_contiguous_container_asan_correct(v2));
91 assert(v2 == v);
92 assert(v2.get_allocator() == v.get_allocator());
93 assert(is_contiguous_container_asan_correct(v));
94 assert(is_contiguous_container_asan_correct(v2));
95 }
96#endif
97
98 return true;
99}
100
101void test_copy_from_volatile_src() {
102 volatile int src[] = {1, 2, 3};
103 std::vector<int> v(src, src + 3);
104 assert(v[0] == 1);
105 assert(v[1] == 2);
106 assert(v[2] == 3);
107}
108
109int main(int, char**) {
110 tests();
111#if TEST_STD_VER > 17
112 static_assert(tests());
113#endif
114 test_copy_from_volatile_src();
115 return 0;
116}
117

source code of libcxx/test/std/containers/sequences/vector/vector.cons/copy.pass.cpp