File: pop_back.pass.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (54 lines) | stat: -rw-r--r-- 1,234 bytes parent folder | download | duplicates (12)
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
//===----------------------------------------------------------------------===//
//
// 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 pop_back();

#include <vector>
#include <cassert>

#include "test_macros.h"
#include "test_allocator.h"
#include "min_allocator.h"


int main(int, char**)
{
    {
        std::vector<int> c;
        c.push_back(1);
        assert(c.size() == 1);
        c.pop_back();
        assert(c.size() == 0);

    }
#if TEST_STD_VER >= 11
    {
        std::vector<int, min_allocator<int>> c;
        c.push_back(1);
        assert(c.size() == 1);
        c.pop_back();
        assert(c.size() == 0);
    }
#endif

    { // LWG 526
        int arr[] = {0, 1, 2, 3, 4};
        int sz = 5;
        std::vector<int> c(arr, arr+sz);
        while (c.size() < c.capacity())
            c.push_back(sz++);
        c.push_back(c.front());
        assert(c.back() == 0);
        for (int i = 0; i < sz; ++i)
            assert(c[i] == i);
    }

  return 0;
}