File: push_back.pass.cpp

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (123 lines) | stat: -rw-r--r-- 4,345 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// <vector>

// void push_back(const value_type& x);

#include <vector>
#include <cassert>
#include <cstddef>
#include "test_macros.h"
#include "test_allocator.h"
#include "min_allocator.h"
#include "asan_testing.h"

TEST_CONSTEXPR_CXX20 bool tests()
{
    {
        std::vector<int> c;
        c.push_back(0);
        assert(c.size() == 1);
        assert(is_contiguous_container_asan_correct(c));
        for (int j = 0; static_cast<std::size_t>(j) < c.size(); ++j)
            assert(c[j] == j);
        c.push_back(1);
        assert(c.size() == 2);
        assert(is_contiguous_container_asan_correct(c));
        for (int j = 0; static_cast<std::size_t>(j) < c.size(); ++j)
            assert(c[j] == j);
        c.push_back(2);
        assert(c.size() == 3);
        assert(is_contiguous_container_asan_correct(c));
        for (int j = 0; static_cast<std::size_t>(j) < c.size(); ++j)
            assert(c[j] == j);
        c.push_back(3);
        assert(c.size() == 4);
        assert(is_contiguous_container_asan_correct(c));
        for (int j = 0; static_cast<std::size_t>(j) < c.size(); ++j)
            assert(c[j] == j);
        c.push_back(4);
        assert(c.size() == 5);
        assert(is_contiguous_container_asan_correct(c));
        for (int j = 0; static_cast<std::size_t>(j) < c.size(); ++j)
            assert(c[j] == j);
    }
    {
        // libc++ needs 15 because it grows by 2x (1 + 2 + 4 + 8).
        // Use 17 for implementations that dynamically allocate a container proxy
        // and grow by 1.5x (1 for proxy + 1 + 2 + 3 + 4 + 6).
        std::vector<int, limited_allocator<int, 17> > c;
        c.push_back(0);
        assert(c.size() == 1);
        assert(is_contiguous_container_asan_correct(c));
        for (int j = 0; static_cast<std::size_t>(j) < c.size(); ++j)
            assert(c[j] == j);
        c.push_back(1);
        assert(c.size() == 2);
        assert(is_contiguous_container_asan_correct(c));
        for (int j = 0; static_cast<std::size_t>(j) < c.size(); ++j)
            assert(c[j] == j);
        c.push_back(2);
        assert(c.size() == 3);
        assert(is_contiguous_container_asan_correct(c));
        for (int j = 0; static_cast<std::size_t>(j) < c.size(); ++j)
            assert(c[j] == j);
        c.push_back(3);
        assert(c.size() == 4);
        assert(is_contiguous_container_asan_correct(c));
        for (int j = 0; static_cast<std::size_t>(j) < c.size(); ++j)
            assert(c[j] == j);
        c.push_back(4);
        assert(c.size() == 5);
        assert(is_contiguous_container_asan_correct(c));
        for (int j = 0; static_cast<std::size_t>(j) < c.size(); ++j)
            assert(c[j] == j);
    }
#if TEST_STD_VER >= 11
    {
        std::vector<int, min_allocator<int>> c;
        c.push_back(0);
        assert(c.size() == 1);
        assert(is_contiguous_container_asan_correct(c));
        for (int j = 0; static_cast<std::size_t>(j) < c.size(); ++j)
            assert(c[j] == j);
        c.push_back(1);
        assert(c.size() == 2);
        assert(is_contiguous_container_asan_correct(c));
        for (int j = 0; static_cast<std::size_t>(j) < c.size(); ++j)
            assert(c[j] == j);
        c.push_back(2);
        assert(c.size() == 3);
        assert(is_contiguous_container_asan_correct(c));
        for (int j = 0; static_cast<std::size_t>(j) < c.size(); ++j)
            assert(c[j] == j);
        c.push_back(3);
        assert(c.size() == 4);
        assert(is_contiguous_container_asan_correct(c));
        for (int j = 0; static_cast<std::size_t>(j) < c.size(); ++j)
            assert(c[j] == j);
        c.push_back(4);
        assert(c.size() == 5);
        assert(is_contiguous_container_asan_correct(c));
        for (int j = 0; static_cast<std::size_t>(j) < c.size(); ++j)
            assert(c[j] == j);
    }
#endif

    return true;
}

int main(int, char**)
{
    tests();
#if TEST_STD_VER > 17
    static_assert(tests());
#endif
    return 0;
}