1 //===- llvm/unittest/Support/Path.cpp - Path tests ------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/Support/FileSystem.h"
11 #include "llvm/Support/PathV2.h"
12 #include "llvm/Support/ErrorHandling.h"
13 #include "llvm/Support/raw_ostream.h"
15 #include "gtest/gtest.h"
18 using namespace llvm::sys
;
20 #define ASSERT_NO_ERROR(x) \
21 if (error_code ASSERT_NO_ERROR_ec = x) { \
22 SmallString<128> MessageStorage; \
23 raw_svector_ostream Message(MessageStorage); \
24 Message << #x ": did not return errc::success.\n" \
25 << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
26 << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
27 GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \
32 TEST(is_separator
, Works
) {
33 EXPECT_TRUE(path::is_separator('/'));
34 EXPECT_FALSE(path::is_separator('\0'));
35 EXPECT_FALSE(path::is_separator('-'));
36 EXPECT_FALSE(path::is_separator(' '));
39 EXPECT_TRUE(path::is_separator('\\'));
41 EXPECT_FALSE(path::is_separator('\\'));
46 SmallVector
<StringRef
, 40> paths
;
49 paths
.push_back("..");
50 paths
.push_back("foo");
52 paths
.push_back("/foo");
53 paths
.push_back("foo/");
54 paths
.push_back("/foo/");
55 paths
.push_back("foo/bar");
56 paths
.push_back("/foo/bar");
57 paths
.push_back("//net");
58 paths
.push_back("//net/foo");
59 paths
.push_back("///foo///");
60 paths
.push_back("///foo///bar");
61 paths
.push_back("/.");
62 paths
.push_back("./");
63 paths
.push_back("/..");
64 paths
.push_back("../");
65 paths
.push_back("foo/.");
66 paths
.push_back("foo/..");
67 paths
.push_back("foo/./");
68 paths
.push_back("foo/./bar");
69 paths
.push_back("foo/..");
70 paths
.push_back("foo/../");
71 paths
.push_back("foo/../bar");
72 paths
.push_back("c:");
73 paths
.push_back("c:/");
74 paths
.push_back("c:foo");
75 paths
.push_back("c:/foo");
76 paths
.push_back("c:foo/");
77 paths
.push_back("c:/foo/");
78 paths
.push_back("c:/foo/bar");
79 paths
.push_back("prn:");
80 paths
.push_back("c:\\");
81 paths
.push_back("c:foo");
82 paths
.push_back("c:\\foo");
83 paths
.push_back("c:foo\\");
84 paths
.push_back("c:\\foo\\");
85 paths
.push_back("c:\\foo/");
86 paths
.push_back("c:/foo\\bar");
88 for (SmallVector
<StringRef
, 40>::const_iterator i
= paths
.begin(),
92 for (sys::path::const_iterator ci
= sys::path::begin(*i
),
93 ce
= sys::path::end(*i
);
96 ASSERT_FALSE(ci
->empty());
99 #if 0 // Valgrind is whining about this.
100 outs() << " Reverse Iteration: [";
101 for (sys::path::reverse_iterator ci
= sys::path::rbegin(*i
),
102 ce
= sys::path::rend(*i
);
105 outs() << *ci
<< ',';
110 path::has_root_path(*i
);
112 path::has_root_name(*i
);
114 path::has_root_directory(*i
);
115 path::root_directory(*i
);
116 path::has_parent_path(*i
);
117 path::parent_path(*i
);
118 path::has_filename(*i
);
122 path::has_extension(*i
);
124 path::is_absolute(*i
);
125 path::is_relative(*i
);
127 SmallString
<128> temp_store
;
129 ASSERT_NO_ERROR(fs::make_absolute(temp_store
));
131 path::remove_filename(temp_store
);
134 path::replace_extension(temp_store
, "ext");
135 StringRef
filename(temp_store
.begin(), temp_store
.size()), stem
, ext
;
136 stem
= path::stem(filename
);
137 ext
= path::extension(filename
);
138 EXPECT_EQ(*(--sys::path::end(filename
)), (stem
+ ext
).str());
140 path::native(*i
, temp_store
);
144 class FileSystemTest
: public testing::Test
{
146 /// Unique temporary directory in which all created filesystem entities must
147 /// be placed. It is recursively removed at the end of each test.
148 SmallString
<128> TestDirectory
;
150 virtual void SetUp() {
153 fs::unique_file("file-system-test-%%-%%-%%-%%/test-directory.anchor", fd
,
155 // We don't care about this specific file.
157 TestDirectory
= path::parent_path(TestDirectory
);
158 errs() << "Test Directory: " << TestDirectory
<< '\n';
162 virtual void TearDown() {
164 ASSERT_NO_ERROR(fs::remove_all(TestDirectory
.str(), removed
));
168 TEST_F(FileSystemTest
, TempFiles
) {
169 // Create a temp file.
171 SmallString
<64> TempPath
;
173 fs::unique_file("%%-%%-%%-%%.temp", FileDescriptor
, TempPath
));
175 // Make sure it exists.
177 ASSERT_NO_ERROR(sys::fs::exists(Twine(TempPath
), TempFileExists
));
178 EXPECT_TRUE(TempFileExists
);
180 // Create another temp tile.
182 SmallString
<64> TempPath2
;
183 ASSERT_NO_ERROR(fs::unique_file("%%-%%-%%-%%.temp", FD2
, TempPath2
));
184 ASSERT_NE(TempPath
.str(), TempPath2
.str());
186 // Try to copy the first to the second.
188 fs::copy_file(Twine(TempPath
), Twine(TempPath2
)), errc::file_exists
);
191 // Try again with the proper options.
192 ASSERT_NO_ERROR(fs::copy_file(Twine(TempPath
), Twine(TempPath2
),
193 fs::copy_option::overwrite_if_exists
));
195 ASSERT_NO_ERROR(fs::remove(Twine(TempPath2
), TempFileExists
));
196 EXPECT_TRUE(TempFileExists
);
198 // Make sure Temp2 doesn't exist.
199 ASSERT_NO_ERROR(fs::exists(Twine(TempPath2
), TempFileExists
));
200 EXPECT_FALSE(TempFileExists
);
202 // Create a hard link to Temp1.
203 ASSERT_NO_ERROR(fs::create_hard_link(Twine(TempPath
), Twine(TempPath2
)));
205 ASSERT_NO_ERROR(fs::equivalent(Twine(TempPath
), Twine(TempPath2
), equal
));
209 ::close(FileDescriptor
);
210 ASSERT_NO_ERROR(fs::remove(Twine(TempPath
), TempFileExists
));
211 EXPECT_TRUE(TempFileExists
);
213 // Remove the hard link.
214 ASSERT_NO_ERROR(fs::remove(Twine(TempPath2
), TempFileExists
));
215 EXPECT_TRUE(TempFileExists
);
217 // Make sure Temp1 doesn't exist.
218 ASSERT_NO_ERROR(fs::exists(Twine(TempPath
), TempFileExists
));
219 EXPECT_FALSE(TempFileExists
);
222 TEST_F(FileSystemTest
, DirectoryIteration
) {
224 for (fs::directory_iterator
i(".", ec
), e
; i
!= e
; i
.increment(ec
))
228 TEST_F(FileSystemTest
, Magic
) {
230 const char *filename
;
231 const char *magic_str
;
232 size_t magic_str_len
;
233 } types
[] = {{"magic.archive", "!<arch>\x0A", 8}};
235 // Create some files filled with magic.
236 for (type
*i
= types
, *e
= types
+ (sizeof(types
) / sizeof(type
)); i
!= e
;
238 SmallString
<128> file_pathname(TestDirectory
);
239 path::append(file_pathname
, i
->filename
);
241 raw_fd_ostream
file(file_pathname
.c_str(), ErrMsg
,
242 raw_fd_ostream::F_Binary
);
243 ASSERT_FALSE(file
.has_error());
244 StringRef
magic(i
->magic_str
, i
->magic_str_len
);
248 ASSERT_NO_ERROR(fs::has_magic(file_pathname
.c_str(), magic
, res
));
253 } // anonymous namespace