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/Path.h"
11 #include "llvm/Support/ConvertUTF.h"
12 #include "llvm/Support/Errc.h"
13 #include "llvm/Support/ErrorHandling.h"
14 #include "llvm/Support/FileSystem.h"
15 #include "llvm/Support/MemoryBuffer.h"
16 #include "llvm/Support/raw_ostream.h"
17 #include "gtest/gtest.h"
29 using namespace llvm::sys;
31 #define ASSERT_NO_ERROR(x) \
32 if (std::error_code ASSERT_NO_ERROR_ec = x) { \
33 SmallString<128> MessageStorage; \
34 raw_svector_ostream Message(MessageStorage); \
35 Message << #x ": did not return errc::success.\n" \
36 << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
37 << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
38 GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \
44 TEST(is_separator, Works) {
45 EXPECT_TRUE(path::is_separator('/'));
46 EXPECT_FALSE(path::is_separator('\0'));
47 EXPECT_FALSE(path::is_separator('-'));
48 EXPECT_FALSE(path::is_separator(' '));
51 EXPECT_TRUE(path::is_separator('\\'));
53 EXPECT_FALSE(path::is_separator('\\'));
58 SmallVector<StringRef, 40> paths;
61 paths.push_back("..");
62 paths.push_back("foo");
64 paths.push_back("/foo");
65 paths.push_back("foo/");
66 paths.push_back("/foo/");
67 paths.push_back("foo/bar");
68 paths.push_back("/foo/bar");
69 paths.push_back("//net");
70 paths.push_back("//net/foo");
71 paths.push_back("///foo///");
72 paths.push_back("///foo///bar");
73 paths.push_back("/.");
74 paths.push_back("./");
75 paths.push_back("/..");
76 paths.push_back("../");
77 paths.push_back("foo/.");
78 paths.push_back("foo/..");
79 paths.push_back("foo/./");
80 paths.push_back("foo/./bar");
81 paths.push_back("foo/..");
82 paths.push_back("foo/../");
83 paths.push_back("foo/../bar");
84 paths.push_back("c:");
85 paths.push_back("c:/");
86 paths.push_back("c:foo");
87 paths.push_back("c:/foo");
88 paths.push_back("c:foo/");
89 paths.push_back("c:/foo/");
90 paths.push_back("c:/foo/bar");
91 paths.push_back("prn:");
92 paths.push_back("c:\\");
93 paths.push_back("c:foo");
94 paths.push_back("c:\\foo");
95 paths.push_back("c:foo\\");
96 paths.push_back("c:\\foo\\");
97 paths.push_back("c:\\foo/");
98 paths.push_back("c:/foo\\bar");
100 SmallVector<StringRef, 5> ComponentStack;
101 for (SmallVector<StringRef, 40>::const_iterator i = paths.begin(),
105 for (sys::path::const_iterator ci = sys::path::begin(*i),
106 ce = sys::path::end(*i);
109 ASSERT_FALSE(ci->empty());
110 ComponentStack.push_back(*ci);
113 for (sys::path::reverse_iterator ci = sys::path::rbegin(*i),
114 ce = sys::path::rend(*i);
117 ASSERT_TRUE(*ci == ComponentStack.back());
118 ComponentStack.pop_back();
120 ASSERT_TRUE(ComponentStack.empty());
122 path::has_root_path(*i);
124 path::has_root_name(*i);
126 path::has_root_directory(*i);
127 path::root_directory(*i);
128 path::has_parent_path(*i);
129 path::parent_path(*i);
130 path::has_filename(*i);
134 path::has_extension(*i);
136 path::is_absolute(*i);
137 path::is_relative(*i);
139 SmallString<128> temp_store;
141 ASSERT_NO_ERROR(fs::make_absolute(temp_store));
143 path::remove_filename(temp_store);
146 path::replace_extension(temp_store, "ext");
147 StringRef filename(temp_store.begin(), temp_store.size()), stem, ext;
148 stem = path::stem(filename);
149 ext = path::extension(filename);
150 EXPECT_EQ(*sys::path::rbegin(filename), (stem + ext).str());
152 path::native(*i, temp_store);
155 SmallString<32> Relative("foo.cpp");
156 ASSERT_NO_ERROR(sys::fs::make_absolute("/root", Relative));
157 Relative[5] = '/'; // Fix up windows paths.
158 ASSERT_EQ("/root/foo.cpp", Relative);
161 TEST(Support, RelativePathIterator) {
162 SmallString<64> Path(StringRef("c/d/e/foo.txt"));
163 typedef SmallVector<StringRef, 4> PathComponents;
164 PathComponents ExpectedPathComponents;
165 PathComponents ActualPathComponents;
167 StringRef(Path).split(ExpectedPathComponents, '/');
169 for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
171 ActualPathComponents.push_back(*I);
174 ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
176 for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
177 EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
181 TEST(Support, RelativePathDotIterator) {
182 SmallString<64> Path(StringRef(".c/.d/../."));
183 typedef SmallVector<StringRef, 4> PathComponents;
184 PathComponents ExpectedPathComponents;
185 PathComponents ActualPathComponents;
187 StringRef(Path).split(ExpectedPathComponents, '/');
189 for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
191 ActualPathComponents.push_back(*I);
194 ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
196 for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
197 EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
201 TEST(Support, AbsolutePathIterator) {
202 SmallString<64> Path(StringRef("/c/d/e/foo.txt"));
203 typedef SmallVector<StringRef, 4> PathComponents;
204 PathComponents ExpectedPathComponents;
205 PathComponents ActualPathComponents;
207 StringRef(Path).split(ExpectedPathComponents, '/');
209 // The root path will also be a component when iterating
210 ExpectedPathComponents[0] = "/";
212 for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
214 ActualPathComponents.push_back(*I);
217 ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
219 for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
220 EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
224 TEST(Support, AbsolutePathDotIterator) {
225 SmallString<64> Path(StringRef("/.c/.d/../."));
226 typedef SmallVector<StringRef, 4> PathComponents;
227 PathComponents ExpectedPathComponents;
228 PathComponents ActualPathComponents;
230 StringRef(Path).split(ExpectedPathComponents, '/');
232 // The root path will also be a component when iterating
233 ExpectedPathComponents[0] = "/";
235 for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
237 ActualPathComponents.push_back(*I);
240 ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
242 for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
243 EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
248 TEST(Support, AbsolutePathIteratorWin32) {
249 SmallString<64> Path(StringRef("c:\\c\\e\\foo.txt"));
250 typedef SmallVector<StringRef, 4> PathComponents;
251 PathComponents ExpectedPathComponents;
252 PathComponents ActualPathComponents;
254 StringRef(Path).split(ExpectedPathComponents, "\\");
256 // The root path (which comes after the drive name) will also be a component
258 ExpectedPathComponents.insert(ExpectedPathComponents.begin()+1, "\\");
260 for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
262 ActualPathComponents.push_back(*I);
265 ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
267 for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
268 EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
271 #endif // LLVM_ON_WIN32
273 TEST(Support, AbsolutePathIteratorEnd) {
274 // Trailing slashes are converted to '.' unless they are part of the root path.
275 SmallVector<StringRef, 4> Paths;
276 Paths.push_back("/foo/");
277 Paths.push_back("/foo//");
278 Paths.push_back("//net//");
280 Paths.push_back("c:\\\\");
283 for (StringRef Path : Paths) {
284 StringRef LastComponent = *path::rbegin(Path);
285 EXPECT_EQ(".", LastComponent);
288 SmallVector<StringRef, 3> RootPaths;
289 RootPaths.push_back("/");
290 RootPaths.push_back("//net/");
292 RootPaths.push_back("c:\\");
295 for (StringRef Path : RootPaths) {
296 StringRef LastComponent = *path::rbegin(Path);
297 EXPECT_EQ(1u, LastComponent.size());
298 EXPECT_TRUE(path::is_separator(LastComponent[0]));
302 TEST(Support, HomeDirectory) {
303 std::string expected;
305 if (wchar_t const *path = ::_wgetenv(L"USERPROFILE")) {
306 auto pathLen = ::wcslen(path);
307 ArrayRef<char> ref{reinterpret_cast<char const *>(path),
308 pathLen * sizeof(wchar_t)};
309 convertUTF16ToUTF8String(ref, expected);
312 if (char const *path = ::getenv("HOME"))
315 // Do not try to test it if we don't know what to expect.
316 // On Windows we use something better than env vars.
317 if (!expected.empty()) {
318 SmallString<128> HomeDir;
319 auto status = path::home_directory(HomeDir);
321 EXPECT_EQ(expected, HomeDir);
325 TEST(Support, UserCacheDirectory) {
326 SmallString<13> CacheDir;
327 SmallString<20> CacheDir2;
328 auto Status = path::user_cache_directory(CacheDir, "");
329 EXPECT_TRUE(Status ^ CacheDir.empty());
332 EXPECT_TRUE(path::user_cache_directory(CacheDir2, "")); // should succeed
333 EXPECT_EQ(CacheDir, CacheDir2); // and return same paths
335 EXPECT_TRUE(path::user_cache_directory(CacheDir, "A", "B", "file.c"));
336 auto It = path::rbegin(CacheDir);
337 EXPECT_EQ("file.c", *It);
338 EXPECT_EQ("B", *++It);
339 EXPECT_EQ("A", *++It);
340 auto ParentDir = *++It;
342 // Test Unicode: "<user_cache_dir>/(pi)r^2/aleth.0"
343 EXPECT_TRUE(path::user_cache_directory(CacheDir2, "\xCF\x80r\xC2\xB2",
345 auto It2 = path::rbegin(CacheDir2);
346 EXPECT_EQ("\xE2\x84\xB5.0", *It2);
347 EXPECT_EQ("\xCF\x80r\xC2\xB2", *++It2);
348 auto ParentDir2 = *++It2;
350 EXPECT_EQ(ParentDir, ParentDir2);
354 class FileSystemTest : public testing::Test {
356 /// Unique temporary directory in which all created filesystem entities must
357 /// be placed. It is removed at the end of each test (must be empty).
358 SmallString<128> TestDirectory;
360 void SetUp() override {
362 fs::createUniqueDirectory("file-system-test", TestDirectory));
363 // We don't care about this specific file.
364 errs() << "Test Directory: " << TestDirectory << '\n';
368 void TearDown() override { ASSERT_NO_ERROR(fs::remove(TestDirectory.str())); }
371 TEST_F(FileSystemTest, Unique) {
372 // Create a temp file.
374 SmallString<64> TempPath;
376 fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
378 // The same file should return an identical unique id.
380 ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), F1));
381 ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), F2));
384 // Different files should return different unique ids.
386 SmallString<64> TempPath2;
388 fs::createTemporaryFile("prefix", "temp", FileDescriptor2, TempPath2));
391 ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath2), D));
393 ::close(FileDescriptor2);
395 ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
397 // Two paths representing the same file on disk should still provide the
398 // same unique id. We can test this by making a hard link.
399 ASSERT_NO_ERROR(fs::create_link(Twine(TempPath), Twine(TempPath2)));
401 ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath2), D2));
404 ::close(FileDescriptor);
406 SmallString<128> Dir1;
408 fs::createUniqueDirectory("dir1", Dir1));
409 ASSERT_NO_ERROR(fs::getUniqueID(Dir1.c_str(), F1));
410 ASSERT_NO_ERROR(fs::getUniqueID(Dir1.c_str(), F2));
413 SmallString<128> Dir2;
415 fs::createUniqueDirectory("dir2", Dir2));
416 ASSERT_NO_ERROR(fs::getUniqueID(Dir2.c_str(), F2));
420 TEST_F(FileSystemTest, TempFiles) {
421 // Create a temp file.
423 SmallString<64> TempPath;
425 fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
427 // Make sure it exists.
428 ASSERT_TRUE(sys::fs::exists(Twine(TempPath)));
430 // Create another temp tile.
432 SmallString<64> TempPath2;
433 ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "temp", FD2, TempPath2));
434 ASSERT_TRUE(TempPath2.endswith(".temp"));
435 ASSERT_NE(TempPath.str(), TempPath2.str());
437 fs::file_status A, B;
438 ASSERT_NO_ERROR(fs::status(Twine(TempPath), A));
439 ASSERT_NO_ERROR(fs::status(Twine(TempPath2), B));
440 EXPECT_FALSE(fs::equivalent(A, B));
445 ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
446 ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
447 ASSERT_EQ(fs::remove(Twine(TempPath2), false),
448 errc::no_such_file_or_directory);
450 std::error_code EC = fs::status(TempPath2.c_str(), B);
451 EXPECT_EQ(EC, errc::no_such_file_or_directory);
452 EXPECT_EQ(B.type(), fs::file_type::file_not_found);
454 // Make sure Temp2 doesn't exist.
455 ASSERT_EQ(fs::access(Twine(TempPath2), sys::fs::AccessMode::Exist),
456 errc::no_such_file_or_directory);
458 SmallString<64> TempPath3;
459 ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "", TempPath3));
460 ASSERT_FALSE(TempPath3.endswith("."));
462 // Create a hard link to Temp1.
463 ASSERT_NO_ERROR(fs::create_link(Twine(TempPath), Twine(TempPath2)));
465 ASSERT_NO_ERROR(fs::equivalent(Twine(TempPath), Twine(TempPath2), equal));
467 ASSERT_NO_ERROR(fs::status(Twine(TempPath), A));
468 ASSERT_NO_ERROR(fs::status(Twine(TempPath2), B));
469 EXPECT_TRUE(fs::equivalent(A, B));
472 ::close(FileDescriptor);
473 ASSERT_NO_ERROR(fs::remove(Twine(TempPath)));
475 // Remove the hard link.
476 ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
478 // Make sure Temp1 doesn't exist.
479 ASSERT_EQ(fs::access(Twine(TempPath), sys::fs::AccessMode::Exist),
480 errc::no_such_file_or_directory);
483 // Path name > 260 chars should get an error.
484 const char *Path270 =
485 "abcdefghijklmnopqrstuvwxyz9abcdefghijklmnopqrstuvwxyz8"
486 "abcdefghijklmnopqrstuvwxyz7abcdefghijklmnopqrstuvwxyz6"
487 "abcdefghijklmnopqrstuvwxyz5abcdefghijklmnopqrstuvwxyz4"
488 "abcdefghijklmnopqrstuvwxyz3abcdefghijklmnopqrstuvwxyz2"
489 "abcdefghijklmnopqrstuvwxyz1abcdefghijklmnopqrstuvwxyz0";
490 EXPECT_EQ(fs::createUniqueFile(Path270, FileDescriptor, TempPath),
491 errc::invalid_argument);
492 // Relative path < 247 chars, no problem.
493 const char *Path216 =
494 "abcdefghijklmnopqrstuvwxyz7abcdefghijklmnopqrstuvwxyz6"
495 "abcdefghijklmnopqrstuvwxyz5abcdefghijklmnopqrstuvwxyz4"
496 "abcdefghijklmnopqrstuvwxyz3abcdefghijklmnopqrstuvwxyz2"
497 "abcdefghijklmnopqrstuvwxyz1abcdefghijklmnopqrstuvwxyz0";
498 ASSERT_NO_ERROR(fs::createTemporaryFile(Path216, "", TempPath));
499 ASSERT_NO_ERROR(fs::remove(Twine(TempPath)));
503 TEST_F(FileSystemTest, CreateDir) {
504 ASSERT_NO_ERROR(fs::create_directory(Twine(TestDirectory) + "foo"));
505 ASSERT_NO_ERROR(fs::create_directory(Twine(TestDirectory) + "foo"));
506 ASSERT_EQ(fs::create_directory(Twine(TestDirectory) + "foo", false),
508 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "foo"));
511 // Set a 0000 umask so that we can test our directory permissions.
512 mode_t OldUmask = ::umask(0000);
514 fs::file_status Status;
516 fs::create_directory(Twine(TestDirectory) + "baz500", false,
517 fs::perms::owner_read | fs::perms::owner_exe));
518 ASSERT_NO_ERROR(fs::status(Twine(TestDirectory) + "baz500", Status));
519 ASSERT_EQ(Status.permissions() & fs::perms::all_all,
520 fs::perms::owner_read | fs::perms::owner_exe);
521 ASSERT_NO_ERROR(fs::create_directory(Twine(TestDirectory) + "baz777", false,
522 fs::perms::all_all));
523 ASSERT_NO_ERROR(fs::status(Twine(TestDirectory) + "baz777", Status));
524 ASSERT_EQ(Status.permissions() & fs::perms::all_all, fs::perms::all_all);
526 // Restore umask to be safe.
531 // Prove that create_directories() can handle a pathname > 248 characters,
532 // which is the documented limit for CreateDirectory().
533 // (248 is MAX_PATH subtracting room for an 8.3 filename.)
534 // Generate a directory path guaranteed to fall into that range.
535 size_t TmpLen = TestDirectory.size();
536 const char *OneDir = "\\123456789";
537 size_t OneDirLen = strlen(OneDir);
538 ASSERT_LT(OneDirLen, 12U);
539 size_t NLevels = ((248 - TmpLen) / OneDirLen) + 1;
540 SmallString<260> LongDir(TestDirectory);
541 for (size_t I = 0; I < NLevels; ++I)
542 LongDir.append(OneDir);
543 ASSERT_NO_ERROR(fs::create_directories(Twine(LongDir)));
544 ASSERT_NO_ERROR(fs::create_directories(Twine(LongDir)));
545 ASSERT_EQ(fs::create_directories(Twine(LongDir), false),
547 // Tidy up, "recursively" removing the directories.
548 StringRef ThisDir(LongDir);
549 for (size_t J = 0; J < NLevels; ++J) {
550 ASSERT_NO_ERROR(fs::remove(ThisDir));
551 ThisDir = path::parent_path(ThisDir);
554 // Similarly for a relative pathname. Need to set the current directory to
555 // TestDirectory so that the one we create ends up in the right place.
556 char PreviousDir[260];
557 size_t PreviousDirLen = ::GetCurrentDirectoryA(260, PreviousDir);
558 ASSERT_GT(PreviousDirLen, 0U);
559 ASSERT_LT(PreviousDirLen, 260U);
560 ASSERT_NE(::SetCurrentDirectoryA(TestDirectory.c_str()), 0);
562 // Generate a relative directory name with absolute length > 248.
563 size_t LongDirLen = 249 - TestDirectory.size();
564 LongDir.assign(LongDirLen, 'a');
565 ASSERT_NO_ERROR(fs::create_directory(Twine(LongDir)));
566 // While we're here, prove that .. and . handling works in these long paths.
567 const char *DotDotDirs = "\\..\\.\\b";
568 LongDir.append(DotDotDirs);
569 ASSERT_NO_ERROR(fs::create_directory("b"));
570 ASSERT_EQ(fs::create_directory(Twine(LongDir), false), errc::file_exists);
572 ASSERT_NO_ERROR(fs::remove("b"));
573 ASSERT_NO_ERROR(fs::remove(
574 Twine(LongDir.substr(0, LongDir.size() - strlen(DotDotDirs)))));
575 ASSERT_NE(::SetCurrentDirectoryA(PreviousDir), 0);
579 TEST_F(FileSystemTest, DirectoryIteration) {
581 for (fs::directory_iterator i(".", ec), e; i != e; i.increment(ec))
584 // Create a known hierarchy to recurse over.
586 fs::create_directories(Twine(TestDirectory) + "/recursive/a0/aa1"));
588 fs::create_directories(Twine(TestDirectory) + "/recursive/a0/ab1"));
589 ASSERT_NO_ERROR(fs::create_directories(Twine(TestDirectory) +
590 "/recursive/dontlookhere/da1"));
592 fs::create_directories(Twine(TestDirectory) + "/recursive/z0/za1"));
594 fs::create_directories(Twine(TestDirectory) + "/recursive/pop/p1"));
595 typedef std::vector<std::string> v_t;
597 for (fs::recursive_directory_iterator i(Twine(TestDirectory)
598 + "/recursive", ec), e; i != e; i.increment(ec)){
600 if (path::filename(i->path()) == "p1") {
602 // FIXME: recursive_directory_iterator should be more robust.
605 if (path::filename(i->path()) == "dontlookhere")
607 visited.push_back(path::filename(i->path()));
609 v_t::const_iterator a0 = std::find(visited.begin(), visited.end(), "a0");
610 v_t::const_iterator aa1 = std::find(visited.begin(), visited.end(), "aa1");
611 v_t::const_iterator ab1 = std::find(visited.begin(), visited.end(), "ab1");
612 v_t::const_iterator dontlookhere = std::find(visited.begin(), visited.end(),
614 v_t::const_iterator da1 = std::find(visited.begin(), visited.end(), "da1");
615 v_t::const_iterator z0 = std::find(visited.begin(), visited.end(), "z0");
616 v_t::const_iterator za1 = std::find(visited.begin(), visited.end(), "za1");
617 v_t::const_iterator pop = std::find(visited.begin(), visited.end(), "pop");
618 v_t::const_iterator p1 = std::find(visited.begin(), visited.end(), "p1");
620 // Make sure that each path was visited correctly.
621 ASSERT_NE(a0, visited.end());
622 ASSERT_NE(aa1, visited.end());
623 ASSERT_NE(ab1, visited.end());
624 ASSERT_NE(dontlookhere, visited.end());
625 ASSERT_EQ(da1, visited.end()); // Not visited.
626 ASSERT_NE(z0, visited.end());
627 ASSERT_NE(za1, visited.end());
628 ASSERT_NE(pop, visited.end());
629 ASSERT_EQ(p1, visited.end()); // Not visited.
631 // Make sure that parents were visited before children. No other ordering
632 // guarantees can be made across siblings.
637 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0/aa1"));
638 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0/ab1"));
639 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0"));
641 fs::remove(Twine(TestDirectory) + "/recursive/dontlookhere/da1"));
642 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/dontlookhere"));
643 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/pop/p1"));
644 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/pop"));
645 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/z0/za1"));
646 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/z0"));
647 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive"));
650 const char archive[] = "!<arch>\x0A";
651 const char bitcode[] = "\xde\xc0\x17\x0b";
652 const char coff_object[] = "\x00\x00......";
653 const char coff_bigobj[] = "\x00\x00\xff\xff\x00\x02......"
654 "\xc7\xa1\xba\xd1\xee\xba\xa9\x4b\xaf\x20\xfa\xf6\x6a\xa4\xdc\xb8";
655 const char coff_import_library[] = "\x00\x00\xff\xff....";
656 const char elf_relocatable[] = { 0x7f, 'E', 'L', 'F', 1, 2, 1, 0, 0,
657 0, 0, 0, 0, 0, 0, 0, 0, 1 };
658 const char macho_universal_binary[] = "\xca\xfe\xba\xbe...\0x00";
659 const char macho_object[] = "\xfe\xed\xfa\xce..........\x00\x01";
660 const char macho_executable[] = "\xfe\xed\xfa\xce..........\x00\x02";
661 const char macho_fixed_virtual_memory_shared_lib[] =
662 "\xfe\xed\xfa\xce..........\x00\x03";
663 const char macho_core[] = "\xfe\xed\xfa\xce..........\x00\x04";
664 const char macho_preload_executable[] = "\xfe\xed\xfa\xce..........\x00\x05";
665 const char macho_dynamically_linked_shared_lib[] =
666 "\xfe\xed\xfa\xce..........\x00\x06";
667 const char macho_dynamic_linker[] = "\xfe\xed\xfa\xce..........\x00\x07";
668 const char macho_bundle[] = "\xfe\xed\xfa\xce..........\x00\x08";
669 const char macho_dsym_companion[] = "\xfe\xed\xfa\xce..........\x00\x0a";
670 const char macho_kext_bundle[] = "\xfe\xed\xfa\xce..........\x00\x0b";
671 const char windows_resource[] = "\x00\x00\x00\x00\x020\x00\x00\x00\xff";
672 const char macho_dynamically_linked_shared_lib_stub[] =
673 "\xfe\xed\xfa\xce..........\x00\x09";
675 TEST_F(FileSystemTest, Magic) {
677 const char *filename;
678 const char *magic_str;
679 size_t magic_str_len;
680 fs::file_magic magic;
682 #define DEFINE(magic) \
683 { #magic, magic, sizeof(magic), fs::file_magic::magic }
687 { "coff_bigobj", coff_bigobj, sizeof(coff_bigobj), fs::file_magic::coff_object },
688 DEFINE(coff_import_library),
689 DEFINE(elf_relocatable),
690 DEFINE(macho_universal_binary),
691 DEFINE(macho_object),
692 DEFINE(macho_executable),
693 DEFINE(macho_fixed_virtual_memory_shared_lib),
695 DEFINE(macho_preload_executable),
696 DEFINE(macho_dynamically_linked_shared_lib),
697 DEFINE(macho_dynamic_linker),
698 DEFINE(macho_bundle),
699 DEFINE(macho_dynamically_linked_shared_lib_stub),
700 DEFINE(macho_dsym_companion),
701 DEFINE(macho_kext_bundle),
702 DEFINE(windows_resource)
706 // Create some files filled with magic.
707 for (type *i = types, *e = types + (sizeof(types) / sizeof(type)); i != e;
709 SmallString<128> file_pathname(TestDirectory);
710 path::append(file_pathname, i->filename);
712 raw_fd_ostream file(file_pathname, EC, sys::fs::F_None);
713 ASSERT_FALSE(file.has_error());
714 StringRef magic(i->magic_str, i->magic_str_len);
717 EXPECT_EQ(i->magic, fs::identify_magic(magic));
718 ASSERT_NO_ERROR(fs::remove(Twine(file_pathname)));
723 TEST_F(FileSystemTest, CarriageReturn) {
724 SmallString<128> FilePathname(TestDirectory);
726 path::append(FilePathname, "test");
729 raw_fd_ostream File(FilePathname, EC, sys::fs::F_Text);
734 auto Buf = MemoryBuffer::getFile(FilePathname.str());
735 EXPECT_TRUE((bool)Buf);
736 EXPECT_EQ(Buf.get()->getBuffer(), "\r\n");
740 raw_fd_ostream File(FilePathname, EC, sys::fs::F_None);
745 auto Buf = MemoryBuffer::getFile(FilePathname.str());
746 EXPECT_TRUE((bool)Buf);
747 EXPECT_EQ(Buf.get()->getBuffer(), "\n");
749 ASSERT_NO_ERROR(fs::remove(Twine(FilePathname)));
753 TEST_F(FileSystemTest, Resize) {
755 SmallString<64> TempPath;
756 ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "temp", FD, TempPath));
757 ASSERT_NO_ERROR(fs::resize_file(FD, 123));
758 fs::file_status Status;
759 ASSERT_NO_ERROR(fs::status(FD, Status));
760 ASSERT_EQ(Status.getSize(), 123U);
763 TEST_F(FileSystemTest, FileMapping) {
764 // Create a temp file.
766 SmallString<64> TempPath;
768 fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
769 unsigned Size = 4096;
770 ASSERT_NO_ERROR(fs::resize_file(FileDescriptor, Size));
772 // Map in temp file and add some content
774 StringRef Val("hello there");
776 fs::mapped_file_region mfr(FileDescriptor,
777 fs::mapped_file_region::readwrite, Size, 0, EC);
779 std::copy(Val.begin(), Val.end(), mfr.data());
780 // Explicitly add a 0.
781 mfr.data()[Val.size()] = 0;
785 // Map it back in read-only
787 EC = fs::openFileForRead(Twine(TempPath), FD);
789 fs::mapped_file_region mfr(FD, fs::mapped_file_region::readonly, Size, 0, EC);
793 EXPECT_EQ(StringRef(mfr.const_data()), Val);
796 fs::mapped_file_region m(FD, fs::mapped_file_region::readonly, Size, 0, EC);
798 ASSERT_EQ(close(FD), 0);
801 TEST(Support, NormalizePath) {
802 #if defined(LLVM_ON_WIN32)
803 #define EXPECT_PATH_IS(path__, windows__, not_windows__) \
804 EXPECT_EQ(path__, windows__);
806 #define EXPECT_PATH_IS(path__, windows__, not_windows__) \
807 EXPECT_EQ(path__, not_windows__);
810 SmallString<64> Path1("a");
811 SmallString<64> Path2("a/b");
812 SmallString<64> Path3("a\\b");
813 SmallString<64> Path4("a\\\\b");
814 SmallString<64> Path5("\\a");
815 SmallString<64> Path6("a\\");
818 EXPECT_PATH_IS(Path1, "a", "a");
821 EXPECT_PATH_IS(Path2, "a\\b", "a/b");
824 EXPECT_PATH_IS(Path3, "a\\b", "a/b");
827 EXPECT_PATH_IS(Path4, "a\\\\b", "a\\\\b");
830 EXPECT_PATH_IS(Path5, "\\a", "/a");
833 EXPECT_PATH_IS(Path6, "a\\", "a/");
835 #undef EXPECT_PATH_IS
838 TEST(Support, RemoveLeadingDotSlash) {
839 StringRef Path1("././/foolz/wat");
840 StringRef Path2("./////");
842 Path1 = path::remove_leading_dotslash(Path1);
843 EXPECT_EQ(Path1, "foolz/wat");
844 Path2 = path::remove_leading_dotslash(Path2);
845 EXPECT_EQ(Path2, "");
847 } // anonymous namespace