1 // -*- C++ -*-
2 //===----------------------------------------------------------------------===//
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===----------------------------------------------------------------------===//
9
10 #ifndef TEST_STD_INPUT_OUTPUT_FILESYSTEMS_CLASS_PATH_PATH_HELPER_H
11 #define TEST_STD_INPUT_OUTPUT_FILESYSTEMS_CLASS_PATH_PATH_HELPER_H
12
13 #include <cstddef>
14 #include <iterator>
15
16 #include <filesystem>
17 #include "make_string.h"
18 namespace fs = std::filesystem;
19
20 // Testing the allocation behavior of the code_cvt functions requires
21 // *knowing* that the allocation was not done by "path::__str_".
22 // This hack forces path to allocate enough memory.
PathReserve(fs::path & p,std::size_t N)23 inline void PathReserve(fs::path& p, std::size_t N) {
24 auto const& native_ref = p.native();
25 const_cast<fs::path::string_type&>(native_ref).reserve(N);
26 }
27
PathEq(fs::path const & LHS,fs::path const & RHS)28 inline bool PathEq(fs::path const& LHS, fs::path const& RHS) {
29 return LHS.native() == RHS.native();
30 }
31
PathEqIgnoreSep(fs::path LHS,fs::path RHS)32 inline bool PathEqIgnoreSep(fs::path LHS, fs::path RHS) {
33 LHS.make_preferred();
34 RHS.make_preferred();
35 return LHS.native() == RHS.native();
36 }
37
38 template <class Iter>
IterEnd(Iter B)39 Iter IterEnd(Iter B) {
40 using VT = typename std::iterator_traits<Iter>::value_type;
41 for (; *B != VT{}; ++B)
42 ;
43 return B;
44 }
45
46 template <class CharT>
StrEnd(CharT const * P)47 const CharT* StrEnd(CharT const* P) {
48 return IterEnd(P);
49 }
50
51 template <class CharT>
StrLen(CharT const * P)52 std::size_t StrLen(CharT const* P) {
53 return StrEnd(P) - P;
54 }
55
56 const MultiStringType PathList[] = {
57 MKSTR(""),
58 MKSTR(" "),
59 MKSTR("//"),
60 MKSTR("."),
61 MKSTR(".."),
62 MKSTR("foo"),
63 MKSTR("/"),
64 MKSTR("/foo"),
65 MKSTR("foo/"),
66 MKSTR("/foo/"),
67 MKSTR("foo/bar"),
68 MKSTR("/foo/bar"),
69 MKSTR("//net"),
70 MKSTR("//net/foo"),
71 MKSTR("///foo///"),
72 MKSTR("///foo///bar"),
73 MKSTR("/."),
74 MKSTR("./"),
75 MKSTR("/.."),
76 MKSTR("../"),
77 MKSTR("foo/."),
78 MKSTR("foo/.."),
79 MKSTR("foo/./"),
80 MKSTR("foo/./bar"),
81 MKSTR("foo/../"),
82 MKSTR("foo/../bar"),
83 MKSTR("c:"),
84 MKSTR("c:/"),
85 MKSTR("c:foo"),
86 MKSTR("c:/foo"),
87 MKSTR("c:foo/"),
88 MKSTR("c:/foo/"),
89 MKSTR("c:/foo/bar"),
90 MKSTR("prn:"),
91 MKSTR("c:\\"),
92 MKSTR("c:\\foo"),
93 MKSTR("c:foo\\"),
94 MKSTR("c:\\foo\\"),
95 MKSTR("c:\\foo/"),
96 MKSTR("c:/foo\\bar"),
97 MKSTR("//"),
98 MKSTR("/finally/we/need/one/really/really/really/really/really/really/really/long/string")
99 };
100 const unsigned PathListSize = sizeof(PathList) / sizeof(MultiStringType);
101
102 #endif // TEST_STD_INPUT_OUTPUT_FILESYSTEMS_CLASS_PATH_PATH_HELPER_H
103