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 // <filesystem>
13 
14 // class recursive_directory_iterator
15 
16 // recursive_directory_iterator(recursive_directory_iterator&&) noexcept;
17 
18 #include "filesystem_include.hpp"
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 
27 using namespace fs;
28 
29 TEST_SUITE(recursive_directory_iterator_move_construct_tests)
30 
TEST_CASE(test_constructor_signature)31 TEST_CASE(test_constructor_signature)
32 {
33     using D = recursive_directory_iterator;
34     static_assert(std::is_nothrow_move_constructible<D>::value, "");
35 }
36 
TEST_CASE(test_move_end_iterator)37 TEST_CASE(test_move_end_iterator)
38 {
39     const recursive_directory_iterator endIt;
40     recursive_directory_iterator endIt2{};
41 
42     recursive_directory_iterator it(std::move(endIt2));
43     TEST_CHECK(it == endIt);
44     TEST_CHECK(endIt2 == endIt);
45 }
46 
TEST_CASE(test_move_valid_iterator)47 TEST_CASE(test_move_valid_iterator)
48 {
49     const path testDir = StaticEnv::Dir;
50     const recursive_directory_iterator endIt{};
51 
52     // build 'it' up with "interesting" non-default state so we can test
53     // that it gets copied. We want to get 'it' into a state such that:
54     //  it.options() != directory_options::none
55     //  it.depth() != 0
56     //  it.recursion_pending() != true
57     const directory_options opts = directory_options::skip_permission_denied;
58     recursive_directory_iterator it(testDir, opts);
59     TEST_REQUIRE(it != endIt);
60     while (it.depth() == 0) {
61         ++it;
62         TEST_REQUIRE(it != endIt);
63     }
64     it.disable_recursion_pending();
65     TEST_CHECK(it.options() == opts);
66     TEST_CHECK(it.depth() == 1);
67     TEST_CHECK(it.recursion_pending() == false);
68     const path entry = *it;
69 
70     // OPERATION UNDER TEST //
71     const recursive_directory_iterator it2(std::move(it));
72     // ------------------- //
73 
74     TEST_REQUIRE(it2 != endIt);
75     TEST_CHECK(*it2 == entry);
76     TEST_CHECK(it2.depth() == 1);
77     TEST_CHECK(it2.recursion_pending() == false);
78 }
79 
80 TEST_SUITE_END()
81