1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// UNSUPPORTED: c++98, c++03
11
12// <experimental/filesystem>
13
14// class recursive_directory_iterator
15
16// recursive_recursive_directory_iterator(recursive_recursive_directory_iterator const&);
17
18#include <experimental/filesystem>
19#include <type_traits>
20#include <set>
21#include <cassert>
22
23#include "test_macros.h"
24#include "rapid-cxx-test.hpp"
25#include "filesystem_test_helper.hpp"
26
27using namespace std::experimental::filesystem;
28
29TEST_SUITE(recursive_directory_iterator_copy_construct_tests)
30
31TEST_CASE(test_constructor_signature)
32{
33    using D = recursive_directory_iterator;
34    static_assert(std::is_copy_constructible<D>::value, "");
35    //static_assert(!std::is_nothrow_copy_constructible<D>::value, "");
36}
37
38TEST_CASE(test_copy_end_iterator)
39{
40    const recursive_directory_iterator endIt;
41    recursive_directory_iterator it(endIt);
42    TEST_CHECK(it == endIt);
43}
44
45TEST_CASE(test_copy_valid_iterator)
46{
47    const path testDir = StaticEnv::Dir;
48    const recursive_directory_iterator endIt{};
49
50    // build 'it' up with "interesting" non-default state so we can test
51    // that it gets copied. We want to get 'it' into a state such that:
52    //  it.options() != directory_options::none
53    //  it.depth() != 0
54    //  it.recursion_pending() != true
55    const directory_options opts = directory_options::skip_permission_denied;
56    recursive_directory_iterator it(testDir, opts);
57    TEST_REQUIRE(it != endIt);
58    while (it.depth() == 0) {
59        ++it;
60        TEST_REQUIRE(it != endIt);
61    }
62    it.disable_recursion_pending();
63    TEST_CHECK(it.options() == opts);
64    TEST_CHECK(it.depth() == 1);
65    TEST_CHECK(it.recursion_pending() == false);
66    const path entry = *it;
67
68    // OPERATION UNDER TEST //
69    const recursive_directory_iterator it2(it);
70    // ------------------- //
71
72    TEST_REQUIRE(it2 == it);
73    TEST_CHECK(*it2 == entry);
74    TEST_CHECK(it2.depth() == 1);
75    TEST_CHECK(it2.recursion_pending() == false);
76    TEST_CHECK(it != endIt);
77}
78
79TEST_SUITE_END()
80