1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // UNSUPPORTED: c++03
10
11 // These tests require locale for non-char paths
12 // UNSUPPORTED: no-localization
13
14 // <filesystem>
15
16 // class path
17
18 // template <class Source>
19 // path(const Source& source);
20 // template <class InputIterator>
21 // path(InputIterator first, InputIterator last);
22
23
24 #include "filesystem_include.h"
25 #include <type_traits>
26 #include <cassert>
27
28 #include "test_macros.h"
29 #include "test_iterators.h"
30 #include "min_allocator.h"
31 #include "filesystem_test_helper.h"
32
33
34 template <class CharT, class ...Args>
RunTestCaseImpl(MultiStringType const & MS,Args...args)35 void RunTestCaseImpl(MultiStringType const& MS, Args... args) {
36 using namespace fs;
37 const fs::path::value_type* Expect = MS;
38 const CharT* TestPath = MS;
39 const CharT* TestPathEnd = StrEnd(TestPath);
40 const std::size_t Size = TestPathEnd - TestPath;
41 const std::size_t SSize = StrEnd(Expect) - Expect;
42 assert(Size == SSize);
43 // StringTypes
44 {
45 const std::basic_string<CharT> S(TestPath);
46 path p(S, args...);
47 assert(p.native() == Expect);
48 assert(p.string<CharT>() == TestPath);
49 assert(p.string<CharT>() == S);
50 }
51 {
52 const std::basic_string_view<CharT> S(TestPath);
53 path p(S, args...);
54 assert(p.native() == Expect);
55 assert(p.string<CharT>() == TestPath);
56 assert(p.string<CharT>() == S);
57 }
58 // Char* pointers
59 {
60 path p(TestPath, args...);
61 assert(p.native() == Expect);
62 assert(p.string<CharT>() == TestPath);
63 }
64 {
65 path p(TestPath, TestPathEnd, args...);
66 assert(p.native() == Expect);
67 assert(p.string<CharT>() == TestPath);
68 }
69 // Iterators
70 {
71 using It = cpp17_input_iterator<const CharT*>;
72 path p(It{TestPath}, args...);
73 assert(p.native() == Expect);
74 assert(p.string<CharT>() == TestPath);
75 }
76 {
77 using It = cpp17_input_iterator<const CharT*>;
78 path p(It{TestPath}, It{TestPathEnd}, args...);
79 assert(p.native() == Expect);
80 assert(p.string<CharT>() == TestPath);
81 }
82 }
83
84 template <class CharT, class ...Args>
RunTestCase(MultiStringType const & MS)85 void RunTestCase(MultiStringType const& MS) {
86 RunTestCaseImpl<CharT>(MS);
87 RunTestCaseImpl<CharT>(MS, fs::path::format::auto_format);
88 RunTestCaseImpl<CharT>(MS, fs::path::format::native_format);
89 RunTestCaseImpl<CharT>(MS, fs::path::format::generic_format);
90 RunTestCaseImpl<CharT>(MS, fs::path::auto_format);
91 RunTestCaseImpl<CharT>(MS, fs::path::native_format);
92 RunTestCaseImpl<CharT>(MS, fs::path::generic_format);
93 }
94
test_sfinae()95 void test_sfinae() {
96 using namespace fs;
97 {
98 using It = const char* const;
99 static_assert(std::is_constructible<path, It>::value, "");
100 }
101 {
102 using It = cpp17_input_iterator<const char*>;
103 static_assert(std::is_constructible<path, It>::value, "");
104 }
105 {
106 struct Traits {
107 using iterator_category = std::input_iterator_tag;
108 using value_type = const char;
109 using pointer = const char*;
110 using reference = const char&;
111 using difference_type = std::ptrdiff_t;
112 };
113 using It = cpp17_input_iterator<const char*, Traits>;
114 static_assert(std::is_constructible<path, It>::value, "");
115 }
116 {
117 using It = cpp17_output_iterator<const char*>;
118 static_assert(!std::is_constructible<path, It>::value, "");
119
120 }
121 {
122 static_assert(!std::is_constructible<path, int*>::value, "");
123 }
124 }
125
main(int,char **)126 int main(int, char**) {
127 for (auto const& MS : PathList) {
128 RunTestCase<char>(MS);
129 #if TEST_STD_VER > 17 && defined(__cpp_char8_t)
130 RunTestCase<char8_t>(MS);
131 #endif
132 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
133 RunTestCase<wchar_t>(MS);
134 #endif
135 RunTestCase<char16_t>(MS);
136 RunTestCase<char32_t>(MS);
137 }
138 test_sfinae();
139
140 return 0;
141 }
142