summaryrefslogtreecommitdiff
path: root/test/std/input.output/filesystems/class.rec.dir.itr/rec.dir.itr.nonmembers/begin_end.pass.cpp
blob: 91f20717a6023e4236c00aecf69a6dee91185562 (plain)
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
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

// UNSUPPORTED: c++98, c++03

// <filesystem>

// class recursive_directory_iterator

// recursive_directory_iterator begin(recursive_directory_iterator iter) noexcept;
// recursive_directory_iterator end(recursive_directory_iterator iter) noexcept;

#include "filesystem_include.hpp"
#include <type_traits>
#include <set>
#include <cassert>

#include "test_macros.h"
#include "rapid-cxx-test.hpp"
#include "filesystem_test_helper.hpp"
#include <iostream>

using namespace fs;

TEST_SUITE(recursive_directory_iterator_begin_end_tests)

TEST_CASE(test_function_signatures)
{
    recursive_directory_iterator d; ((void)d);

    ASSERT_SAME_TYPE(decltype(begin(d)), recursive_directory_iterator);
    ASSERT_NOEXCEPT(begin(std::move(d)));

    ASSERT_SAME_TYPE(decltype(end(d)), recursive_directory_iterator);
    ASSERT_NOEXCEPT(end(std::move(d)));
}

TEST_CASE(test_ranged_for_loop)
{
    const path testDir = StaticEnv::Dir;
    std::set<path> dir_contents(std::begin(StaticEnv::RecDirIterationList),
                                std::end(  StaticEnv::RecDirIterationList));

    std::error_code ec;
    recursive_directory_iterator it(testDir, ec);
    TEST_REQUIRE(!ec);

    for (auto& elem : it) {
        TEST_CHECK(dir_contents.erase(elem) == 1);
    }
    TEST_CHECK(dir_contents.empty());
}

TEST_SUITE_END()