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/Errc.h"
12 #include "llvm/Support/ErrorHandling.h"
13 #include "llvm/Support/FileSystem.h"
14 #include "llvm/Support/MemoryBuffer.h"
15 #include "llvm/Support/raw_ostream.h"
16 #include "gtest/gtest.h"
28 using namespace llvm::sys;
30 #define ASSERT_NO_ERROR(x) \
31 if (std::error_code ASSERT_NO_ERROR_ec = x) { \
32 SmallString<128> MessageStorage; \
33 raw_svector_ostream Message(MessageStorage); \
34 Message << #x ": did not return errc::success.\n" \
35 << "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
36 << "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
37 GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \
43 TEST(is_separator, Works) {
44 EXPECT_TRUE(path::is_separator('/'));
45 EXPECT_FALSE(path::is_separator('\0'));
46 EXPECT_FALSE(path::is_separator('-'));
47 EXPECT_FALSE(path::is_separator(' '));
50 EXPECT_TRUE(path::is_separator('\\'));
52 EXPECT_FALSE(path::is_separator('\\'));
57 SmallVector<StringRef, 40> paths;
60 paths.push_back("..");
61 paths.push_back("foo");
63 paths.push_back("/foo");
64 paths.push_back("foo/");
65 paths.push_back("/foo/");
66 paths.push_back("foo/bar");
67 paths.push_back("/foo/bar");
68 paths.push_back("//net");
69 paths.push_back("//net/foo");
70 paths.push_back("///foo///");
71 paths.push_back("///foo///bar");
72 paths.push_back("/.");
73 paths.push_back("./");
74 paths.push_back("/..");
75 paths.push_back("../");
76 paths.push_back("foo/.");
77 paths.push_back("foo/..");
78 paths.push_back("foo/./");
79 paths.push_back("foo/./bar");
80 paths.push_back("foo/..");
81 paths.push_back("foo/../");
82 paths.push_back("foo/../bar");
83 paths.push_back("c:");
84 paths.push_back("c:/");
85 paths.push_back("c:foo");
86 paths.push_back("c:/foo");
87 paths.push_back("c:foo/");
88 paths.push_back("c:/foo/");
89 paths.push_back("c:/foo/bar");
90 paths.push_back("prn:");
91 paths.push_back("c:\\");
92 paths.push_back("c:foo");
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\\bar");
99 SmallVector<StringRef, 5> ComponentStack;
100 for (SmallVector<StringRef, 40>::const_iterator i = paths.begin(),
104 for (sys::path::const_iterator ci = sys::path::begin(*i),
105 ce = sys::path::end(*i);
108 ASSERT_FALSE(ci->empty());
109 ComponentStack.push_back(*ci);
112 for (sys::path::reverse_iterator ci = sys::path::rbegin(*i),
113 ce = sys::path::rend(*i);
116 ASSERT_TRUE(*ci == ComponentStack.back());
117 ComponentStack.pop_back();
119 ASSERT_TRUE(ComponentStack.empty());
121 path::has_root_path(*i);
123 path::has_root_name(*i);
125 path::has_root_directory(*i);
126 path::root_directory(*i);
127 path::has_parent_path(*i);
128 path::parent_path(*i);
129 path::has_filename(*i);
133 path::has_extension(*i);
135 path::is_absolute(*i);
136 path::is_relative(*i);
138 SmallString<128> temp_store;
140 ASSERT_NO_ERROR(fs::make_absolute(temp_store));
142 path::remove_filename(temp_store);
145 path::replace_extension(temp_store, "ext");
146 StringRef filename(temp_store.begin(), temp_store.size()), stem, ext;
147 stem = path::stem(filename);
148 ext = path::extension(filename);
149 EXPECT_EQ(*sys::path::rbegin(filename), (stem + ext).str());
151 path::native(*i, temp_store);
155 TEST(Support, RelativePathIterator) {
156 SmallString<64> Path(StringRef("c/d/e/foo.txt"));
157 typedef SmallVector<StringRef, 4> PathComponents;
158 PathComponents ExpectedPathComponents;
159 PathComponents ActualPathComponents;
161 StringRef(Path).split(ExpectedPathComponents, "/");
163 for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
165 ActualPathComponents.push_back(*I);
168 ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
170 for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
171 EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
175 TEST(Support, RelativePathDotIterator) {
176 SmallString<64> Path(StringRef(".c/.d/../."));
177 typedef SmallVector<StringRef, 4> PathComponents;
178 PathComponents ExpectedPathComponents;
179 PathComponents ActualPathComponents;
181 StringRef(Path).split(ExpectedPathComponents, "/");
183 for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
185 ActualPathComponents.push_back(*I);
188 ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
190 for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
191 EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
195 TEST(Support, AbsolutePathIterator) {
196 SmallString<64> Path(StringRef("/c/d/e/foo.txt"));
197 typedef SmallVector<StringRef, 4> PathComponents;
198 PathComponents ExpectedPathComponents;
199 PathComponents ActualPathComponents;
201 StringRef(Path).split(ExpectedPathComponents, "/");
203 // The root path will also be a component when iterating
204 ExpectedPathComponents[0] = "/";
206 for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
208 ActualPathComponents.push_back(*I);
211 ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
213 for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
214 EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
218 TEST(Support, AbsolutePathDotIterator) {
219 SmallString<64> Path(StringRef("/.c/.d/../."));
220 typedef SmallVector<StringRef, 4> PathComponents;
221 PathComponents ExpectedPathComponents;
222 PathComponents ActualPathComponents;
224 StringRef(Path).split(ExpectedPathComponents, "/");
226 // The root path will also be a component when iterating
227 ExpectedPathComponents[0] = "/";
229 for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
231 ActualPathComponents.push_back(*I);
234 ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
236 for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
237 EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
242 TEST(Support, AbsolutePathIteratorWin32) {
243 SmallString<64> Path(StringRef("c:\\c\\e\\foo.txt"));
244 typedef SmallVector<StringRef, 4> PathComponents;
245 PathComponents ExpectedPathComponents;
246 PathComponents ActualPathComponents;
248 StringRef(Path).split(ExpectedPathComponents, "\\");
250 // The root path (which comes after the drive name) will also be a component
252 ExpectedPathComponents.insert(ExpectedPathComponents.begin()+1, "\\");
254 for (path::const_iterator I = path::begin(Path), E = path::end(Path); I != E;
256 ActualPathComponents.push_back(*I);
259 ASSERT_EQ(ExpectedPathComponents.size(), ActualPathComponents.size());
261 for (size_t i = 0; i <ExpectedPathComponents.size(); ++i) {
262 EXPECT_EQ(ExpectedPathComponents[i].str(), ActualPathComponents[i].str());
265 #endif // LLVM_ON_WIN32
267 TEST(Support, AbsolutePathIteratorEnd) {
268 // Trailing slashes are converted to '.' unless they are part of the root path.
269 SmallVector<StringRef, 4> Paths;
270 Paths.push_back("/foo/");
271 Paths.push_back("/foo//");
272 Paths.push_back("//net//");
274 Paths.push_back("c:\\\\");
277 for (StringRef Path : Paths) {
278 StringRef LastComponent = *path::rbegin(Path);
279 EXPECT_EQ(".", LastComponent);
282 SmallVector<StringRef, 3> RootPaths;
283 RootPaths.push_back("/");
284 RootPaths.push_back("//net/");
286 RootPaths.push_back("c:\\");
289 for (StringRef Path : RootPaths) {
290 StringRef LastComponent = *path::rbegin(Path);
291 EXPECT_EQ(1u, LastComponent.size());
292 EXPECT_TRUE(path::is_separator(LastComponent[0]));
296 TEST(Support, HomeDirectory) {
298 // This test only makes sense on Unix if $HOME is set.
299 if (::getenv("HOME")) {
301 SmallString<128> HomeDir;
302 EXPECT_TRUE(path::home_directory(HomeDir));
303 EXPECT_FALSE(HomeDir.empty());
309 class FileSystemTest : public testing::Test {
311 /// Unique temporary directory in which all created filesystem entities must
312 /// be placed. It is removed at the end of each test (must be empty).
313 SmallString<128> TestDirectory;
315 void SetUp() override {
317 fs::createUniqueDirectory("file-system-test", TestDirectory));
318 // We don't care about this specific file.
319 errs() << "Test Directory: " << TestDirectory << '\n';
323 void TearDown() override { ASSERT_NO_ERROR(fs::remove(TestDirectory.str())); }
326 TEST_F(FileSystemTest, Unique) {
327 // Create a temp file.
329 SmallString<64> TempPath;
331 fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
333 // The same file should return an identical unique id.
335 ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), F1));
336 ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath), F2));
339 // Different files should return different unique ids.
341 SmallString<64> TempPath2;
343 fs::createTemporaryFile("prefix", "temp", FileDescriptor2, TempPath2));
346 ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath2), D));
348 ::close(FileDescriptor2);
350 ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
352 // Two paths representing the same file on disk should still provide the
353 // same unique id. We can test this by making a hard link.
354 ASSERT_NO_ERROR(fs::create_link(Twine(TempPath), Twine(TempPath2)));
356 ASSERT_NO_ERROR(fs::getUniqueID(Twine(TempPath2), D2));
359 ::close(FileDescriptor);
361 SmallString<128> Dir1;
363 fs::createUniqueDirectory("dir1", Dir1));
364 ASSERT_NO_ERROR(fs::getUniqueID(Dir1.c_str(), F1));
365 ASSERT_NO_ERROR(fs::getUniqueID(Dir1.c_str(), F2));
368 SmallString<128> Dir2;
370 fs::createUniqueDirectory("dir2", Dir2));
371 ASSERT_NO_ERROR(fs::getUniqueID(Dir2.c_str(), F2));
375 TEST_F(FileSystemTest, TempFiles) {
376 // Create a temp file.
378 SmallString<64> TempPath;
380 fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
382 // Make sure it exists.
383 ASSERT_TRUE(sys::fs::exists(Twine(TempPath)));
385 // Create another temp tile.
387 SmallString<64> TempPath2;
388 ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "temp", FD2, TempPath2));
389 ASSERT_TRUE(TempPath2.endswith(".temp"));
390 ASSERT_NE(TempPath.str(), TempPath2.str());
392 fs::file_status A, B;
393 ASSERT_NO_ERROR(fs::status(Twine(TempPath), A));
394 ASSERT_NO_ERROR(fs::status(Twine(TempPath2), B));
395 EXPECT_FALSE(fs::equivalent(A, B));
400 ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
401 ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
402 ASSERT_EQ(fs::remove(Twine(TempPath2), false),
403 errc::no_such_file_or_directory);
405 std::error_code EC = fs::status(TempPath2.c_str(), B);
406 EXPECT_EQ(EC, errc::no_such_file_or_directory);
407 EXPECT_EQ(B.type(), fs::file_type::file_not_found);
409 // Make sure Temp2 doesn't exist.
410 ASSERT_EQ(fs::access(Twine(TempPath2), sys::fs::AccessMode::Exist),
411 errc::no_such_file_or_directory);
413 SmallString<64> TempPath3;
414 ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "", TempPath3));
415 ASSERT_FALSE(TempPath3.endswith("."));
417 // Create a hard link to Temp1.
418 ASSERT_NO_ERROR(fs::create_link(Twine(TempPath), Twine(TempPath2)));
420 ASSERT_NO_ERROR(fs::equivalent(Twine(TempPath), Twine(TempPath2), equal));
422 ASSERT_NO_ERROR(fs::status(Twine(TempPath), A));
423 ASSERT_NO_ERROR(fs::status(Twine(TempPath2), B));
424 EXPECT_TRUE(fs::equivalent(A, B));
427 ::close(FileDescriptor);
428 ASSERT_NO_ERROR(fs::remove(Twine(TempPath)));
430 // Remove the hard link.
431 ASSERT_NO_ERROR(fs::remove(Twine(TempPath2)));
433 // Make sure Temp1 doesn't exist.
434 ASSERT_EQ(fs::access(Twine(TempPath), sys::fs::AccessMode::Exist),
435 errc::no_such_file_or_directory);
438 // Path name > 260 chars should get an error.
439 const char *Path270 =
440 "abcdefghijklmnopqrstuvwxyz9abcdefghijklmnopqrstuvwxyz8"
441 "abcdefghijklmnopqrstuvwxyz7abcdefghijklmnopqrstuvwxyz6"
442 "abcdefghijklmnopqrstuvwxyz5abcdefghijklmnopqrstuvwxyz4"
443 "abcdefghijklmnopqrstuvwxyz3abcdefghijklmnopqrstuvwxyz2"
444 "abcdefghijklmnopqrstuvwxyz1abcdefghijklmnopqrstuvwxyz0";
445 EXPECT_EQ(fs::createUniqueFile(Path270, FileDescriptor, TempPath),
446 errc::invalid_argument);
447 // Relative path < 247 chars, no problem.
448 const char *Path216 =
449 "abcdefghijklmnopqrstuvwxyz7abcdefghijklmnopqrstuvwxyz6"
450 "abcdefghijklmnopqrstuvwxyz5abcdefghijklmnopqrstuvwxyz4"
451 "abcdefghijklmnopqrstuvwxyz3abcdefghijklmnopqrstuvwxyz2"
452 "abcdefghijklmnopqrstuvwxyz1abcdefghijklmnopqrstuvwxyz0";
453 ASSERT_NO_ERROR(fs::createTemporaryFile(Path216, "", TempPath));
454 ASSERT_NO_ERROR(fs::remove(Twine(TempPath)));
458 TEST_F(FileSystemTest, CreateDir) {
459 ASSERT_NO_ERROR(fs::create_directory(Twine(TestDirectory) + "foo"));
460 ASSERT_NO_ERROR(fs::create_directory(Twine(TestDirectory) + "foo"));
461 ASSERT_EQ(fs::create_directory(Twine(TestDirectory) + "foo", false),
463 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "foo"));
466 // Set a 0000 umask so that we can test our directory permissions.
467 mode_t OldUmask = ::umask(0000);
469 fs::file_status Status;
471 fs::create_directory(Twine(TestDirectory) + "baz500", false,
472 fs::perms::owner_read | fs::perms::owner_exe));
473 ASSERT_NO_ERROR(fs::status(Twine(TestDirectory) + "baz500", Status));
474 ASSERT_EQ(Status.permissions() & fs::perms::all_all,
475 fs::perms::owner_read | fs::perms::owner_exe);
476 ASSERT_NO_ERROR(fs::create_directory(Twine(TestDirectory) + "baz777", false,
477 fs::perms::all_all));
478 ASSERT_NO_ERROR(fs::status(Twine(TestDirectory) + "baz777", Status));
479 ASSERT_EQ(Status.permissions() & fs::perms::all_all, fs::perms::all_all);
481 // Restore umask to be safe.
486 // Prove that create_directories() can handle a pathname > 248 characters,
487 // which is the documented limit for CreateDirectory().
488 // (248 is MAX_PATH subtracting room for an 8.3 filename.)
489 // Generate a directory path guaranteed to fall into that range.
490 size_t TmpLen = TestDirectory.size();
491 const char *OneDir = "\\123456789";
492 size_t OneDirLen = strlen(OneDir);
493 ASSERT_LT(OneDirLen, 12U);
494 size_t NLevels = ((248 - TmpLen) / OneDirLen) + 1;
495 SmallString<260> LongDir(TestDirectory);
496 for (size_t I = 0; I < NLevels; ++I)
497 LongDir.append(OneDir);
498 ASSERT_NO_ERROR(fs::create_directories(Twine(LongDir)));
499 ASSERT_NO_ERROR(fs::create_directories(Twine(LongDir)));
500 ASSERT_EQ(fs::create_directories(Twine(LongDir), false),
502 // Tidy up, "recursively" removing the directories.
503 StringRef ThisDir(LongDir);
504 for (size_t J = 0; J < NLevels; ++J) {
505 ASSERT_NO_ERROR(fs::remove(ThisDir));
506 ThisDir = path::parent_path(ThisDir);
509 // Similarly for a relative pathname. Need to set the current directory to
510 // TestDirectory so that the one we create ends up in the right place.
511 char PreviousDir[260];
512 size_t PreviousDirLen = ::GetCurrentDirectoryA(260, PreviousDir);
513 ASSERT_GT(PreviousDirLen, 0U);
514 ASSERT_LT(PreviousDirLen, 260U);
515 ASSERT_NE(::SetCurrentDirectoryA(TestDirectory.c_str()), 0);
517 // Generate a relative directory name with absolute length > 248.
518 size_t LongDirLen = 249 - TestDirectory.size();
519 LongDir.assign(LongDirLen, 'a');
520 ASSERT_NO_ERROR(fs::create_directory(Twine(LongDir)));
521 // While we're here, prove that .. and . handling works in these long paths.
522 const char *DotDotDirs = "\\..\\.\\b";
523 LongDir.append(DotDotDirs);
524 ASSERT_NO_ERROR(fs::create_directory("b"));
525 ASSERT_EQ(fs::create_directory(Twine(LongDir), false), errc::file_exists);
527 ASSERT_NO_ERROR(fs::remove("b"));
528 ASSERT_NO_ERROR(fs::remove(
529 Twine(LongDir.substr(0, LongDir.size() - strlen(DotDotDirs)))));
530 ASSERT_NE(::SetCurrentDirectoryA(PreviousDir), 0);
534 TEST_F(FileSystemTest, DirectoryIteration) {
536 for (fs::directory_iterator i(".", ec), e; i != e; i.increment(ec))
539 // Create a known hierarchy to recurse over.
541 fs::create_directories(Twine(TestDirectory) + "/recursive/a0/aa1"));
543 fs::create_directories(Twine(TestDirectory) + "/recursive/a0/ab1"));
544 ASSERT_NO_ERROR(fs::create_directories(Twine(TestDirectory) +
545 "/recursive/dontlookhere/da1"));
547 fs::create_directories(Twine(TestDirectory) + "/recursive/z0/za1"));
549 fs::create_directories(Twine(TestDirectory) + "/recursive/pop/p1"));
550 typedef std::vector<std::string> v_t;
552 for (fs::recursive_directory_iterator i(Twine(TestDirectory)
553 + "/recursive", ec), e; i != e; i.increment(ec)){
555 if (path::filename(i->path()) == "p1") {
557 // FIXME: recursive_directory_iterator should be more robust.
560 if (path::filename(i->path()) == "dontlookhere")
562 visited.push_back(path::filename(i->path()));
564 v_t::const_iterator a0 = std::find(visited.begin(), visited.end(), "a0");
565 v_t::const_iterator aa1 = std::find(visited.begin(), visited.end(), "aa1");
566 v_t::const_iterator ab1 = std::find(visited.begin(), visited.end(), "ab1");
567 v_t::const_iterator dontlookhere = std::find(visited.begin(), visited.end(),
569 v_t::const_iterator da1 = std::find(visited.begin(), visited.end(), "da1");
570 v_t::const_iterator z0 = std::find(visited.begin(), visited.end(), "z0");
571 v_t::const_iterator za1 = std::find(visited.begin(), visited.end(), "za1");
572 v_t::const_iterator pop = std::find(visited.begin(), visited.end(), "pop");
573 v_t::const_iterator p1 = std::find(visited.begin(), visited.end(), "p1");
575 // Make sure that each path was visited correctly.
576 ASSERT_NE(a0, visited.end());
577 ASSERT_NE(aa1, visited.end());
578 ASSERT_NE(ab1, visited.end());
579 ASSERT_NE(dontlookhere, visited.end());
580 ASSERT_EQ(da1, visited.end()); // Not visited.
581 ASSERT_NE(z0, visited.end());
582 ASSERT_NE(za1, visited.end());
583 ASSERT_NE(pop, visited.end());
584 ASSERT_EQ(p1, visited.end()); // Not visited.
586 // Make sure that parents were visited before children. No other ordering
587 // guarantees can be made across siblings.
592 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0/aa1"));
593 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0/ab1"));
594 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0"));
596 fs::remove(Twine(TestDirectory) + "/recursive/dontlookhere/da1"));
597 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/dontlookhere"));
598 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/pop/p1"));
599 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/pop"));
600 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/z0/za1"));
601 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/z0"));
602 ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive"));
605 const char archive[] = "!<arch>\x0A";
606 const char bitcode[] = "\xde\xc0\x17\x0b";
607 const char coff_object[] = "\x00\x00......";
608 const char coff_bigobj[] = "\x00\x00\xff\xff\x00\x02......"
609 "\xc7\xa1\xba\xd1\xee\xba\xa9\x4b\xaf\x20\xfa\xf6\x6a\xa4\xdc\xb8";
610 const char coff_import_library[] = "\x00\x00\xff\xff....";
611 const char elf_relocatable[] = { 0x7f, 'E', 'L', 'F', 1, 2, 1, 0, 0,
612 0, 0, 0, 0, 0, 0, 0, 0, 1 };
613 const char macho_universal_binary[] = "\xca\xfe\xba\xbe...\0x00";
614 const char macho_object[] = "\xfe\xed\xfa\xce..........\x00\x01";
615 const char macho_executable[] = "\xfe\xed\xfa\xce..........\x00\x02";
616 const char macho_fixed_virtual_memory_shared_lib[] =
617 "\xfe\xed\xfa\xce..........\x00\x03";
618 const char macho_core[] = "\xfe\xed\xfa\xce..........\x00\x04";
619 const char macho_preload_executable[] = "\xfe\xed\xfa\xce..........\x00\x05";
620 const char macho_dynamically_linked_shared_lib[] =
621 "\xfe\xed\xfa\xce..........\x00\x06";
622 const char macho_dynamic_linker[] = "\xfe\xed\xfa\xce..........\x00\x07";
623 const char macho_bundle[] = "\xfe\xed\xfa\xce..........\x00\x08";
624 const char macho_dsym_companion[] = "\xfe\xed\xfa\xce..........\x00\x0a";
625 const char macho_kext_bundle[] = "\xfe\xed\xfa\xce..........\x00\x0b";
626 const char windows_resource[] = "\x00\x00\x00\x00\x020\x00\x00\x00\xff";
627 const char macho_dynamically_linked_shared_lib_stub[] =
628 "\xfe\xed\xfa\xce..........\x00\x09";
630 TEST_F(FileSystemTest, Magic) {
632 const char *filename;
633 const char *magic_str;
634 size_t magic_str_len;
635 fs::file_magic magic;
637 #define DEFINE(magic) \
638 { #magic, magic, sizeof(magic), fs::file_magic::magic }
642 { "coff_bigobj", coff_bigobj, sizeof(coff_bigobj), fs::file_magic::coff_object },
643 DEFINE(coff_import_library),
644 DEFINE(elf_relocatable),
645 DEFINE(macho_universal_binary),
646 DEFINE(macho_object),
647 DEFINE(macho_executable),
648 DEFINE(macho_fixed_virtual_memory_shared_lib),
650 DEFINE(macho_preload_executable),
651 DEFINE(macho_dynamically_linked_shared_lib),
652 DEFINE(macho_dynamic_linker),
653 DEFINE(macho_bundle),
654 DEFINE(macho_dynamically_linked_shared_lib_stub),
655 DEFINE(macho_dsym_companion),
656 DEFINE(macho_kext_bundle),
657 DEFINE(windows_resource)
661 // Create some files filled with magic.
662 for (type *i = types, *e = types + (sizeof(types) / sizeof(type)); i != e;
664 SmallString<128> file_pathname(TestDirectory);
665 path::append(file_pathname, i->filename);
667 raw_fd_ostream file(file_pathname, EC, sys::fs::F_None);
668 ASSERT_FALSE(file.has_error());
669 StringRef magic(i->magic_str, i->magic_str_len);
672 EXPECT_EQ(i->magic, fs::identify_magic(magic));
673 ASSERT_NO_ERROR(fs::remove(Twine(file_pathname)));
678 TEST_F(FileSystemTest, CarriageReturn) {
679 SmallString<128> FilePathname(TestDirectory);
681 path::append(FilePathname, "test");
684 raw_fd_ostream File(FilePathname, EC, sys::fs::F_Text);
689 auto Buf = MemoryBuffer::getFile(FilePathname.str());
690 EXPECT_TRUE((bool)Buf);
691 EXPECT_EQ(Buf.get()->getBuffer(), "\r\n");
695 raw_fd_ostream File(FilePathname, EC, sys::fs::F_None);
700 auto Buf = MemoryBuffer::getFile(FilePathname.str());
701 EXPECT_TRUE((bool)Buf);
702 EXPECT_EQ(Buf.get()->getBuffer(), "\n");
704 ASSERT_NO_ERROR(fs::remove(Twine(FilePathname)));
708 TEST_F(FileSystemTest, Resize) {
710 SmallString<64> TempPath;
711 ASSERT_NO_ERROR(fs::createTemporaryFile("prefix", "temp", FD, TempPath));
712 ASSERT_NO_ERROR(fs::resize_file(FD, 123));
713 fs::file_status Status;
714 ASSERT_NO_ERROR(fs::status(FD, Status));
715 ASSERT_EQ(Status.getSize(), 123U);
718 TEST_F(FileSystemTest, FileMapping) {
719 // Create a temp file.
721 SmallString<64> TempPath;
723 fs::createTemporaryFile("prefix", "temp", FileDescriptor, TempPath));
724 unsigned Size = 4096;
725 ASSERT_NO_ERROR(fs::resize_file(FileDescriptor, Size));
727 // Map in temp file and add some content
729 StringRef Val("hello there");
731 fs::mapped_file_region mfr(FileDescriptor,
732 fs::mapped_file_region::readwrite, Size, 0, EC);
734 std::copy(Val.begin(), Val.end(), mfr.data());
735 // Explicitly add a 0.
736 mfr.data()[Val.size()] = 0;
740 // Map it back in read-only
742 EC = fs::openFileForRead(Twine(TempPath), FD);
744 fs::mapped_file_region mfr(FD, fs::mapped_file_region::readonly, Size, 0, EC);
748 EXPECT_EQ(StringRef(mfr.const_data()), Val);
751 fs::mapped_file_region m(FD, fs::mapped_file_region::readonly, Size, 0, EC);
753 ASSERT_EQ(close(FD), 0);
756 TEST(Support, NormalizePath) {
757 #if defined(LLVM_ON_WIN32)
758 #define EXPECT_PATH_IS(path__, windows__, not_windows__) \
759 EXPECT_EQ(path__, windows__);
761 #define EXPECT_PATH_IS(path__, windows__, not_windows__) \
762 EXPECT_EQ(path__, not_windows__);
765 SmallString<64> Path1("a");
766 SmallString<64> Path2("a/b");
767 SmallString<64> Path3("a\\b");
768 SmallString<64> Path4("a\\\\b");
769 SmallString<64> Path5("\\a");
770 SmallString<64> Path6("a\\");
773 EXPECT_PATH_IS(Path1, "a", "a");
776 EXPECT_PATH_IS(Path2, "a\\b", "a/b");
779 EXPECT_PATH_IS(Path3, "a\\b", "a/b");
782 EXPECT_PATH_IS(Path4, "a\\\\b", "a\\\\b");
785 EXPECT_PATH_IS(Path5, "\\a", "/a");
788 EXPECT_PATH_IS(Path6, "a\\", "a/");
790 #undef EXPECT_PATH_IS
792 } // anonymous namespace