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      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 path
     15 
     16 // 8.4.9 path decomposition [path.decompose]
     17 //------------------------------------------
     18 // path root_name() const;
     19 // path root_directory() const;
     20 // path root_path() const;
     21 // path relative_path() const;
     22 // path parent_path() const;
     23 // path filename() const;
     24 // path stem() const;
     25 // path extension() const;
     26 //-------------------------------
     27 // 8.4.10 path query [path.query]
     28 //-------------------------------
     29 // bool empty() const noexcept;
     30 // bool has_root_path() const;
     31 // bool has_root_name() const;
     32 // bool has_root_directory() const;
     33 // bool has_relative_path() const;
     34 // bool has_parent_path() const;
     35 // bool has_filename() const;
     36 // bool has_stem() const;
     37 // bool has_extension() const;
     38 // bool is_absolute() const;
     39 // bool is_relative() const;
     40 //-------------------------------
     41 // 8.5 path iterators [path.itr]
     42 //-------------------------------
     43 // iterator begin() const;
     44 // iterator end() const;
     45 
     46 
     47 #include "filesystem_include.hpp"
     48 #include <type_traits>
     49 #include <vector>
     50 #include <cassert>
     51 
     52 #include "test_macros.h"
     53 #include "test_iterators.h"
     54 #include "count_new.hpp"
     55 #include "filesystem_test_helper.hpp"
     56 #include "assert_checkpoint.h"
     57 #include "verbose_assert.h"
     58 
     59 struct ComparePathExact {
     60   bool operator()(std::string const& LHS, std::string const& RHS) const {
     61     return LHS == RHS;
     62   }
     63 };
     64 
     65 struct PathDecomposeTestcase
     66 {
     67     std::string raw;
     68     std::vector<std::string> elements;
     69     std::string root_path;
     70     std::string root_name;
     71     std::string root_directory;
     72     std::string relative_path;
     73     std::string parent_path;
     74     std::string filename;
     75 };
     76 
     77 const PathDecomposeTestcase PathTestCases[] =
     78   {
     79       {"", {}, "", "", "", "", "", ""}
     80     , {".", {"."}, "", "", "", ".", "", "."}
     81     , {"..", {".."}, "", "", "", "..", "", ".."}
     82     , {"foo", {"foo"}, "", "", "", "foo", "", "foo"}
     83     , {"/", {"/"}, "/", "", "/", "", "/", ""}
     84     , {"/foo", {"/", "foo"}, "/", "", "/", "foo", "/", "foo"}
     85     , {"foo/", {"foo", ""}, "", "", "", "foo/", "foo", ""}
     86     , {"/foo/", {"/", "foo", ""}, "/", "", "/", "foo/", "/foo", ""}
     87     , {"foo/bar", {"foo","bar"}, "",  "", "",  "foo/bar", "foo", "bar"}
     88     , {"/foo//bar", {"/","foo","bar"}, "/", "", "/", "foo/bar", "/foo", "bar"}
     89     , {"//net", {"/", "net"}, "/", "", "/", "net", "/", "net"}
     90     , {"//net/foo", {"/", "net", "foo"}, "/", "", "/", "net/foo", "/net", "foo"}
     91     , {"///foo///", {"/", "foo", ""}, "/", "", "/", "foo///", "///foo", ""}
     92     , {"///foo///bar", {"/", "foo", "bar"}, "/", "", "/", "foo///bar", "///foo", "bar"}
     93     , {"/.", {"/", "."}, "/", "", "/", ".", "/", "."}
     94     , {"./", {".", ""}, "", "", "", "./", ".", ""}
     95     , {"/..", {"/", ".."}, "/", "", "/", "..", "/", ".."}
     96     , {"../", {"..", ""}, "", "", "", "../", "..", ""}
     97     , {"foo/.", {"foo", "."}, "", "", "", "foo/.", "foo", "."}
     98     , {"foo/..", {"foo", ".."}, "", "", "", "foo/..", "foo", ".."}
     99     , {"foo/./", {"foo", ".", ""}, "", "", "", "foo/./", "foo/.", ""}
    100     , {"foo/./bar", {"foo", ".", "bar"}, "", "", "", "foo/./bar", "foo/.", "bar"}
    101     , {"foo/../", {"foo", "..", ""}, "", "", "", "foo/../", "foo/..", ""}
    102     , {"foo/../bar", {"foo", "..", "bar"}, "", "", "", "foo/../bar", "foo/..", "bar"}
    103     , {"c:", {"c:"}, "", "", "", "c:", "", "c:"}
    104     , {"c:/", {"c:", ""}, "", "", "", "c:/", "c:", ""}
    105     , {"c:foo", {"c:foo"}, "", "", "", "c:foo", "", "c:foo"}
    106     , {"c:/foo", {"c:", "foo"}, "", "", "", "c:/foo", "c:", "foo"}
    107     , {"c:foo/", {"c:foo", ""}, "", "", "", "c:foo/", "c:foo", ""}
    108     , {"c:/foo/", {"c:", "foo", ""}, "", "", "", "c:/foo/",  "c:/foo", ""}
    109     , {"c:/foo/bar", {"c:", "foo", "bar"}, "", "", "", "c:/foo/bar", "c:/foo", "bar"}
    110     , {"prn:", {"prn:"}, "", "", "", "prn:", "", "prn:"}
    111     , {"c:\\", {"c:\\"}, "", "", "", "c:\\", "", "c:\\"}
    112     , {"c:\\foo", {"c:\\foo"}, "", "", "", "c:\\foo", "", "c:\\foo"}
    113     , {"c:foo\\", {"c:foo\\"}, "", "", "", "c:foo\\", "", "c:foo\\"}
    114     , {"c:\\foo\\", {"c:\\foo\\"}, "", "", "", "c:\\foo\\", "", "c:\\foo\\"}
    115     , {"c:\\foo/",  {"c:\\foo", ""}, "", "", "", "c:\\foo/", "c:\\foo", ""}
    116     , {"c:/foo\\bar", {"c:", "foo\\bar"}, "", "", "", "c:/foo\\bar", "c:", "foo\\bar"}
    117     , {"//", {"/"}, "/", "", "/", "", "/", ""}
    118   };
    119 
    120 void decompPathTest()
    121 {
    122   using namespace fs;
    123   for (auto const & TC : PathTestCases) {
    124     CHECKPOINT(TC.raw.c_str());
    125     fs::path p(TC.raw);
    126     ASSERT(p == TC.raw);
    127 
    128     ASSERT_EQ(p.root_path(), TC.root_path);
    129     ASSERT_NEQ(p.has_root_path(), TC.root_path.empty());
    130 
    131     ASSERT(p.root_name().native().empty())
    132         << DISPLAY(p.root_name());
    133     ASSERT_EQ(p.root_name(),TC.root_name);
    134     ASSERT_NEQ(p.has_root_name(), TC.root_name.empty());
    135 
    136     ASSERT_EQ(p.root_directory(), TC.root_directory);
    137     ASSERT_NEQ(p.has_root_directory(), TC.root_directory.empty());
    138 
    139     ASSERT_EQ(p.relative_path(), TC.relative_path);
    140     ASSERT_NEQ(p.has_relative_path(), TC.relative_path.empty());
    141 
    142     ASSERT_EQ(p.parent_path(), TC.parent_path);
    143     ASSERT_NEQ(p.has_parent_path(), TC.parent_path.empty());
    144 
    145     ASSERT_EQ(p.filename(), TC.filename);
    146     ASSERT_NEQ(p.has_filename(), TC.filename.empty());
    147 
    148     ASSERT_EQ(p.is_absolute(), p.has_root_directory());
    149     ASSERT_NEQ(p.is_relative(), p.is_absolute());
    150     if (p.empty())
    151       ASSERT(p.is_relative());
    152 
    153     ASSERT_COLLECTION_EQ_COMP(
    154         p.begin(), p.end(),
    155         TC.elements.begin(), TC.elements.end(),
    156         ComparePathExact()
    157     );
    158     // check backwards
    159 
    160     std::vector<fs::path> Parts;
    161     for (auto it = p.end(); it != p.begin(); )
    162       Parts.push_back(*--it);
    163     ASSERT_COLLECTION_EQ_COMP(Parts.begin(), Parts.end(),
    164                                  TC.elements.rbegin(), TC.elements.rend(),
    165                               ComparePathExact());
    166   }
    167 }
    168 
    169 
    170 struct FilenameDecompTestcase
    171 {
    172   std::string raw;
    173   std::string filename;
    174   std::string stem;
    175   std::string extension;
    176 };
    177 
    178 const FilenameDecompTestcase FilenameTestCases[] =
    179 {
    180     {"", "", "", ""}
    181   , {".", ".", ".", ""}
    182   , {"..", "..", "..", ""}
    183   , {"/", "", "", ""}
    184   , {"foo", "foo", "foo", ""}
    185   , {"/foo/bar.txt", "bar.txt", "bar", ".txt"}
    186   , {"foo..txt", "foo..txt", "foo.", ".txt"}
    187   , {".profile", ".profile", ".profile", ""}
    188   , {".profile.txt", ".profile.txt", ".profile", ".txt"}
    189 };
    190 
    191 
    192 void decompFilenameTest()
    193 {
    194   using namespace fs;
    195   for (auto const & TC : FilenameTestCases) {
    196     CHECKPOINT(TC.raw.c_str());
    197     fs::path p(TC.raw);
    198     ASSERT_EQ(p, TC.raw);
    199     ASSERT_NOEXCEPT(p.empty());
    200 
    201     ASSERT_EQ(p.filename(), TC.filename);
    202     ASSERT_NEQ(p.has_filename(), TC.filename.empty());
    203 
    204     ASSERT_EQ(p.stem(), TC.stem);
    205     ASSERT_NEQ(p.has_stem(), TC.stem.empty());
    206 
    207     ASSERT_EQ(p.extension(), TC.extension);
    208     ASSERT_NEQ(p.has_extension(), TC.extension.empty());
    209   }
    210 }
    211 
    212 int main()
    213 {
    214   decompPathTest();
    215   decompFilenameTest();
    216 }
    217