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file_util_unittest.cc
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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "build/build_config.h"
#if defined(OS_WIN)
#include <windows.h>
#include <winioctl.h>
#include <shellapi.h>
#include <shlobj.h>
#include <tchar.h>
#endif
#include <fstream>
#include <set>
#include "base/base_paths.h"
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/platform_thread.h"
#include "base/scoped_handle.h"
#include "base/time.h"
#include "base/utf_string_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
// This macro helps avoid wrapped lines in the test structs.
#define FPL(x) FILE_PATH_LITERAL(x)
namespace {
// To test that file_util::Normalize FilePath() deals with NTFS reparse points
// correctly, we need functions to create and delete reparse points.
#if defined(OS_WIN)
typedef struct _REPARSE_DATA_BUFFER {
ULONG ReparseTag;
USHORT ReparseDataLength;
USHORT Reserved;
union {
struct {
USHORT SubstituteNameOffset;
USHORT SubstituteNameLength;
USHORT PrintNameOffset;
USHORT PrintNameLength;
ULONG Flags;
WCHAR PathBuffer[1];
} SymbolicLinkReparseBuffer;
struct {
USHORT SubstituteNameOffset;
USHORT SubstituteNameLength;
USHORT PrintNameOffset;
USHORT PrintNameLength;
WCHAR PathBuffer[1];
} MountPointReparseBuffer;
struct {
UCHAR DataBuffer[1];
} GenericReparseBuffer;
};
} REPARSE_DATA_BUFFER, *PREPARSE_DATA_BUFFER;
// Sets a reparse point. |source| will now point to |target|. Returns true if
// the call succeeds, false otherwise.
bool SetReparsePoint(HANDLE source, const FilePath& target_path) {
std::wstring kPathPrefix = L"\\??\\";
std::wstring target_str;
// The juction will not work if the target path does not start with \??\ .
if (kPathPrefix != target_path.value().substr(0, kPathPrefix.size()))
target_str += kPathPrefix;
target_str += target_path.value();
const wchar_t* target = target_str.c_str();
USHORT size_target = static_cast<USHORT>(wcslen(target)) * sizeof(target[0]);
char buffer[2000] = {0};
DWORD returned;
REPARSE_DATA_BUFFER* data = reinterpret_cast<REPARSE_DATA_BUFFER*>(buffer);
data->ReparseTag = 0xa0000003;
memcpy(data->MountPointReparseBuffer.PathBuffer, target, size_target + 2);
data->MountPointReparseBuffer.SubstituteNameLength = size_target;
data->MountPointReparseBuffer.PrintNameOffset = size_target + 2;
data->ReparseDataLength = size_target + 4 + 8;
int data_size = data->ReparseDataLength + 8;
if (!DeviceIoControl(source, FSCTL_SET_REPARSE_POINT, &buffer, data_size,
NULL, 0, &returned, NULL)) {
return false;
}
return true;
}
// Delete the reparse point referenced by |source|. Returns true if the call
// succeeds, false otherwise.
bool DeleteReparsePoint(HANDLE source) {
DWORD returned;
REPARSE_DATA_BUFFER data = {0};
data.ReparseTag = 0xa0000003;
if (!DeviceIoControl(source, FSCTL_DELETE_REPARSE_POINT, &data, 8, NULL, 0,
&returned, NULL)) {
return false;
}
return true;
}
#endif
const wchar_t bogus_content[] = L"I'm cannon fodder.";
const file_util::FileEnumerator::FILE_TYPE FILES_AND_DIRECTORIES =
static_cast<file_util::FileEnumerator::FILE_TYPE>(
file_util::FileEnumerator::FILES |
file_util::FileEnumerator::DIRECTORIES);
// file_util winds up using autoreleased objects on the Mac, so this needs
// to be a PlatformTest
class FileUtilTest : public PlatformTest {
protected:
virtual void SetUp() {
PlatformTest::SetUp();
// Name a subdirectory of the temp directory.
ASSERT_TRUE(PathService::Get(base::DIR_TEMP, &test_dir_));
test_dir_ = test_dir_.Append(FILE_PATH_LITERAL("FileUtilTest"));
// Create a fresh, empty copy of this directory.
file_util::Delete(test_dir_, true);
file_util::CreateDirectory(test_dir_);
}
virtual void TearDown() {
PlatformTest::TearDown();
// Clean up test directory
ASSERT_TRUE(file_util::Delete(test_dir_, true));
ASSERT_FALSE(file_util::PathExists(test_dir_));
}
// the path to temporary directory used to contain the test operations
FilePath test_dir_;
};
// Collects all the results from the given file enumerator, and provides an
// interface to query whether a given file is present.
class FindResultCollector {
public:
explicit FindResultCollector(file_util::FileEnumerator& enumerator) {
FilePath cur_file;
while (!(cur_file = enumerator.Next()).value().empty()) {
FilePath::StringType path = cur_file.value();
// The file should not be returned twice.
EXPECT_TRUE(files_.end() == files_.find(path))
<< "Same file returned twice";
// Save for later.
files_.insert(path);
}
}
// Returns true if the enumerator found the file.
bool HasFile(const FilePath& file) const {
return files_.find(file.value()) != files_.end();
}
int size() {
return static_cast<int>(files_.size());
}
private:
std::set<FilePath::StringType> files_;
};
// Simple function to dump some text into a new file.
void CreateTextFile(const FilePath& filename,
const std::wstring& contents) {
std::ofstream file;
file.open(WideToUTF8(filename.ToWStringHack()).c_str());
ASSERT_TRUE(file.is_open());
file << contents;
file.close();
}
// Simple function to take out some text from a file.
std::wstring ReadTextFile(const FilePath& filename) {
wchar_t contents[64];
std::wifstream file;
file.open(WideToUTF8(filename.ToWStringHack()).c_str());
EXPECT_TRUE(file.is_open());
file.getline(contents, 64);
file.close();
return std::wstring(contents);
}
#if defined(OS_WIN)
uint64 FileTimeAsUint64(const FILETIME& ft) {
ULARGE_INTEGER u;
u.LowPart = ft.dwLowDateTime;
u.HighPart = ft.dwHighDateTime;
return u.QuadPart;
}
#endif
const struct append_case {
const wchar_t* path;
const wchar_t* ending;
const wchar_t* result;
} append_cases[] = {
#if defined(OS_WIN)
{L"c:\\colon\\backslash", L"path", L"c:\\colon\\backslash\\path"},
{L"c:\\colon\\backslash\\", L"path", L"c:\\colon\\backslash\\path"},
{L"c:\\colon\\backslash\\\\", L"path", L"c:\\colon\\backslash\\\\path"},
{L"c:\\colon\\backslash\\", L"", L"c:\\colon\\backslash\\"},
{L"c:\\colon\\backslash", L"", L"c:\\colon\\backslash\\"},
{L"", L"path", L"\\path"},
{L"", L"", L"\\"},
#elif defined(OS_POSIX)
{L"/foo/bar", L"path", L"/foo/bar/path"},
{L"/foo/bar/", L"path", L"/foo/bar/path"},
{L"/foo/bar//", L"path", L"/foo/bar//path"},
{L"/foo/bar/", L"", L"/foo/bar/"},
{L"/foo/bar", L"", L"/foo/bar/"},
{L"", L"path", L"/path"},
{L"", L"", L"/"},
#endif
};
#if defined(OS_WIN)
// This function is deprecated, but still used on Windows.
TEST_F(FileUtilTest, AppendToPath) {
for (unsigned int i = 0; i < arraysize(append_cases); ++i) {
const append_case& value = append_cases[i];
std::wstring result = value.path;
file_util::AppendToPath(&result, value.ending);
EXPECT_EQ(value.result, result);
}
#ifdef NDEBUG
file_util::AppendToPath(NULL, L"path"); // asserts in debug mode
#endif
}
#endif // defined(OS_WIN)
static const struct InsertBeforeExtensionCase {
const FilePath::CharType* path;
const FilePath::CharType* suffix;
const FilePath::CharType* result;
} kInsertBeforeExtension[] = {
{FPL(""), FPL(""), FPL("")},
{FPL(""), FPL("txt"), FPL("txt")},
{FPL("."), FPL("txt"), FPL("txt.")},
{FPL("."), FPL(""), FPL(".")},
{FPL("foo.dll"), FPL("txt"), FPL("footxt.dll")},
{FPL("foo.dll"), FPL(".txt"), FPL("foo.txt.dll")},
{FPL("foo"), FPL("txt"), FPL("footxt")},
{FPL("foo"), FPL(".txt"), FPL("foo.txt")},
{FPL("foo.baz.dll"), FPL("txt"), FPL("foo.baztxt.dll")},
{FPL("foo.baz.dll"), FPL(".txt"), FPL("foo.baz.txt.dll")},
{FPL("foo.dll"), FPL(""), FPL("foo.dll")},
{FPL("foo.dll"), FPL("."), FPL("foo..dll")},
{FPL("foo"), FPL(""), FPL("foo")},
{FPL("foo"), FPL("."), FPL("foo.")},
{FPL("foo.baz.dll"), FPL(""), FPL("foo.baz.dll")},
{FPL("foo.baz.dll"), FPL("."), FPL("foo.baz..dll")},
#if defined(OS_WIN)
{FPL("\\"), FPL(""), FPL("\\")},
{FPL("\\"), FPL("txt"), FPL("\\txt")},
{FPL("\\."), FPL("txt"), FPL("\\txt.")},
{FPL("\\."), FPL(""), FPL("\\.")},
{FPL("C:\\bar\\foo.dll"), FPL("txt"), FPL("C:\\bar\\footxt.dll")},
{FPL("C:\\bar.baz\\foodll"), FPL("txt"), FPL("C:\\bar.baz\\foodlltxt")},
{FPL("C:\\bar.baz\\foo.dll"), FPL("txt"), FPL("C:\\bar.baz\\footxt.dll")},
{FPL("C:\\bar.baz\\foo.dll.exe"), FPL("txt"),
FPL("C:\\bar.baz\\foo.dlltxt.exe")},
{FPL("C:\\bar.baz\\foo"), FPL(""), FPL("C:\\bar.baz\\foo")},
{FPL("C:\\bar.baz\\foo.exe"), FPL(""), FPL("C:\\bar.baz\\foo.exe")},
{FPL("C:\\bar.baz\\foo.dll.exe"), FPL(""), FPL("C:\\bar.baz\\foo.dll.exe")},
{FPL("C:\\bar\\baz\\foo.exe"), FPL(" (1)"), FPL("C:\\bar\\baz\\foo (1).exe")},
#elif defined(OS_POSIX)
{FPL("/"), FPL(""), FPL("/")},
{FPL("/"), FPL("txt"), FPL("/txt")},
{FPL("/."), FPL("txt"), FPL("/txt.")},
{FPL("/."), FPL(""), FPL("/.")},
{FPL("/bar/foo.dll"), FPL("txt"), FPL("/bar/footxt.dll")},
{FPL("/bar.baz/foodll"), FPL("txt"), FPL("/bar.baz/foodlltxt")},
{FPL("/bar.baz/foo.dll"), FPL("txt"), FPL("/bar.baz/footxt.dll")},
{FPL("/bar.baz/foo.dll.exe"), FPL("txt"), FPL("/bar.baz/foo.dlltxt.exe")},
{FPL("/bar.baz/foo"), FPL(""), FPL("/bar.baz/foo")},
{FPL("/bar.baz/foo.exe"), FPL(""), FPL("/bar.baz/foo.exe")},
{FPL("/bar.baz/foo.dll.exe"), FPL(""), FPL("/bar.baz/foo.dll.exe")},
{FPL("/bar/baz/foo.exe"), FPL(" (1)"), FPL("/bar/baz/foo (1).exe")},
#endif
};
#if defined(OS_WIN)
// This function has been deprecated on non-Windows.
TEST_F(FileUtilTest, InsertBeforeExtensionTest) {
for (unsigned int i = 0; i < arraysize(kInsertBeforeExtension); ++i) {
FilePath path(kInsertBeforeExtension[i].path);
file_util::InsertBeforeExtension(&path, kInsertBeforeExtension[i].suffix);
EXPECT_EQ(kInsertBeforeExtension[i].result, path.value());
}
}
#endif
static const struct filename_case {
const wchar_t* path;
const wchar_t* filename;
} filename_cases[] = {
#if defined(OS_WIN)
{L"c:\\colon\\backslash", L"backslash"},
{L"c:\\colon\\backslash\\", L""},
{L"\\\\filename.exe", L"filename.exe"},
{L"filename.exe", L"filename.exe"},
{L"", L""},
{L"\\\\\\", L""},
{L"c:/colon/backslash", L"backslash"},
{L"c:/colon/backslash/", L""},
{L"//////", L""},
{L"///filename.exe", L"filename.exe"},
#elif defined(OS_POSIX)
{L"/foo/bar", L"bar"},
{L"/foo/bar/", L""},
{L"/filename.exe", L"filename.exe"},
{L"filename.exe", L"filename.exe"},
{L"", L""},
{L"/", L""},
#endif
};
#if defined(OS_WIN)
// This function is deprecated on non-Windows.
TEST_F(FileUtilTest, GetFilenameFromPath) {
for (unsigned int i = 0; i < arraysize(filename_cases); ++i) {
const filename_case& value = filename_cases[i];
std::wstring result = file_util::GetFilenameFromPath(value.path);
EXPECT_EQ(value.filename, result);
}
}
#endif
// Test finding the file type from a path name
static const struct extension_case {
const wchar_t* path;
const wchar_t* extension;
} extension_cases[] = {
#if defined(OS_WIN)
{L"C:\\colon\\backslash\\filename.extension", L"extension"},
{L"C:\\colon\\backslash\\filename.", L""},
{L"C:\\colon\\backslash\\filename", L""},
{L"C:\\colon\\backslash\\", L""},
{L"C:\\colon\\backslash.\\", L""},
{L"C:\\colon\\backslash\filename.extension.extension2", L"extension2"},
#elif defined(OS_POSIX)
{L"/foo/bar/filename.extension", L"extension"},
{L"/foo/bar/filename.", L""},
{L"/foo/bar/filename", L""},
{L"/foo/bar/", L""},
{L"/foo/bar./", L""},
{L"/foo/bar/filename.extension.extension2", L"extension2"},
{L".", L""},
{L"..", L""},
{L"./foo", L""},
{L"./foo.extension", L"extension"},
{L"/foo.extension1/bar.extension2", L"extension2"},
#endif
};
#if defined(OS_WIN)
// This function has been deprecated on non-Windows.
TEST_F(FileUtilTest, GetFileExtensionFromPath) {
for (unsigned int i = 0; i < arraysize(extension_cases); ++i) {
const extension_case& ext = extension_cases[i];
const std::wstring fext = file_util::GetFileExtensionFromPath(ext.path);
EXPECT_EQ(ext.extension, fext);
}
}
#endif
// Test finding the directory component of a path
static const struct dir_case {
const wchar_t* full_path;
const wchar_t* directory;
} dir_cases[] = {
#if defined(OS_WIN)
{L"C:\\WINDOWS\\system32\\gdi32.dll", L"C:\\WINDOWS\\system32"},
{L"C:\\WINDOWS\\system32\\not_exist_thx_1138", L"C:\\WINDOWS\\system32"},
{L"C:\\WINDOWS\\system32\\", L"C:\\WINDOWS\\system32"},
{L"C:\\WINDOWS\\system32\\\\", L"C:\\WINDOWS\\system32"},
{L"C:\\WINDOWS\\system32", L"C:\\WINDOWS"},
{L"C:\\WINDOWS\\system32.\\", L"C:\\WINDOWS\\system32."},
{L"C:\\", L"C:\\"},
#elif defined(OS_POSIX)
{L"/foo/bar/gdi32.dll", L"/foo/bar"},
{L"/foo/bar/not_exist_thx_1138", L"/foo/bar"},
{L"/foo/bar/", L"/foo/bar"},
{L"/foo/bar//", L"/foo/bar"},
{L"/foo/bar", L"/foo"},
{L"/foo/bar./", L"/foo/bar."},
{L"/", L"/"},
{L".", L"."},
{L"..", L"."}, // yes, ".." technically lives in "."
#endif
};
#if defined(OS_WIN)
// This function is deprecated, and only exists on Windows anymore.
TEST_F(FileUtilTest, GetDirectoryFromPath) {
for (unsigned int i = 0; i < arraysize(dir_cases); ++i) {
const dir_case& dir = dir_cases[i];
const std::wstring parent =
file_util::GetDirectoryFromPath(dir.full_path);
EXPECT_EQ(dir.directory, parent);
}
}
#endif
// Flaky, http://crbug.com/46246
TEST_F(FileUtilTest, FLAKY_CountFilesCreatedAfter) {
// Create old file (that we don't want to count)
FilePath old_file_name = test_dir_.Append(FILE_PATH_LITERAL("Old File.txt"));
CreateTextFile(old_file_name, L"Just call me Mr. Creakybits");
// Age to perfection
#if defined(OS_WIN)
PlatformThread::Sleep(100);
#elif defined(OS_POSIX)
// We need to wait at least one second here because the precision of
// file creation time is one second.
PlatformThread::Sleep(1500);
#endif
// Establish our cutoff time
base::Time now(base::Time::NowFromSystemTime());
EXPECT_EQ(0, file_util::CountFilesCreatedAfter(test_dir_, now));
// Create a new file (that we do want to count)
FilePath new_file_name = test_dir_.Append(FILE_PATH_LITERAL("New File.txt"));
CreateTextFile(new_file_name, L"Waaaaaaaaaaaaaah.");
// We should see only the new file.
EXPECT_EQ(1, file_util::CountFilesCreatedAfter(test_dir_, now));
// Delete new file, we should see no files after cutoff now
EXPECT_TRUE(file_util::Delete(new_file_name, false));
EXPECT_EQ(0, file_util::CountFilesCreatedAfter(test_dir_, now));
}
TEST_F(FileUtilTest, FileAndDirectorySize) {
// Create three files of 20, 30 and 3 chars (utf8). ComputeDirectorySize
// should return 53 bytes.
FilePath file_01 = test_dir_.Append(FPL("The file 01.txt"));
CreateTextFile(file_01, L"12345678901234567890");
int64 size_f1 = 0;
ASSERT_TRUE(file_util::GetFileSize(file_01, &size_f1));
EXPECT_EQ(20ll, size_f1);
FilePath subdir_path = test_dir_.Append(FPL("Level2"));
file_util::CreateDirectory(subdir_path);
FilePath file_02 = subdir_path.Append(FPL("The file 02.txt"));
CreateTextFile(file_02, L"123456789012345678901234567890");
int64 size_f2 = 0;
ASSERT_TRUE(file_util::GetFileSize(file_02, &size_f2));
EXPECT_EQ(30ll, size_f2);
FilePath subsubdir_path = subdir_path.Append(FPL("Level3"));
file_util::CreateDirectory(subsubdir_path);
FilePath file_03 = subsubdir_path.Append(FPL("The file 03.txt"));
CreateTextFile(file_03, L"123");
int64 computed_size = file_util::ComputeDirectorySize(test_dir_);
EXPECT_EQ(size_f1 + size_f2 + 3, computed_size);
computed_size = file_util::ComputeFilesSize(test_dir_, FPL("The file*"));
EXPECT_EQ(size_f1, computed_size);
computed_size = file_util::ComputeFilesSize(test_dir_, FPL("bla*"));
EXPECT_EQ(0, computed_size);
}
TEST_F(FileUtilTest, NormalizeFilePathBasic) {
// Create a directory under the test dir. Because we create it,
// we know it is not a link.
FilePath file_a_path = test_dir_.Append(FPL("file_a"));
FilePath dir_path = test_dir_.Append(FPL("dir"));
FilePath file_b_path = dir_path.Append(FPL("file_b"));
file_util::CreateDirectory(dir_path);
FilePath normalized_file_a_path, normalized_file_b_path;
ASSERT_FALSE(file_util::PathExists(file_a_path));
ASSERT_FALSE(file_util::NormalizeFilePath(file_a_path,
&normalized_file_a_path))
<< "NormalizeFilePath() should fail on nonexistant paths.";
CreateTextFile(file_a_path, bogus_content);
ASSERT_TRUE(file_util::PathExists(file_a_path));
ASSERT_TRUE(file_util::NormalizeFilePath(file_a_path,
&normalized_file_a_path));
CreateTextFile(file_b_path, bogus_content);
ASSERT_TRUE(file_util::PathExists(file_b_path));
ASSERT_TRUE(file_util::NormalizeFilePath(file_b_path,
&normalized_file_b_path));
// Beacuse this test created |dir_path|, we know it is not a link
// or junction. So, the real path of the directory holding file a
// must be the parent of the path holding file b.
ASSERT_TRUE(normalized_file_a_path.DirName()
.IsParent(normalized_file_b_path.DirName()));
}
#if defined(OS_WIN)
TEST_F(FileUtilTest, NormalizeFilePathReparsePoints) {
// Build the following directory structure:
//
// test_dir_
// |-> base_a
// | |-> sub_a
// | |-> file.txt
// | |-> long_name___... (Very long name.)
// | |-> sub_long
// | |-> deep.txt
// |-> base_b
// |-> to_sub_a (reparse point to test_dir_\base_a\sub_a)
// |-> to_base_b (reparse point to test_dir_\base_b)
// |-> to_sub_long (reparse point to test_dir_\sub_a\long_name_\sub_long)
FilePath base_a = test_dir_.Append(FPL("base_a"));
ASSERT_TRUE(file_util::CreateDirectory(base_a));
FilePath sub_a = base_a.Append(FPL("sub_a"));
ASSERT_TRUE(file_util::CreateDirectory(sub_a));
FilePath file_txt = sub_a.Append(FPL("file.txt"));
CreateTextFile(file_txt, bogus_content);
// Want a directory whose name is long enough to make the path to the file
// inside just under MAX_PATH chars. This will be used to test that when
// a junction expands to a path over MAX_PATH chars in length,
// NormalizeFilePath() fails without crashing.
FilePath sub_long_rel(FPL("sub_long"));
FilePath deep_txt(FPL("deep.txt"));
int target_length = MAX_PATH;
target_length -= (sub_a.value().length() + 1); // +1 for the sepperator '\'.
target_length -= (sub_long_rel.Append(deep_txt).value().length() + 1);
// Without making the path a bit shorter, CreateDirectory() fails.
// the resulting path is still long enough to hit the failing case in
// NormalizePath().
const int kCreateDirLimit = 4;
target_length -= kCreateDirLimit;
FilePath::StringType long_name_str = FPL("long_name_");
long_name_str.resize(target_length, '_');
FilePath long_name = sub_a.Append(FilePath(long_name_str));
FilePath deep_file = long_name.Append(sub_long_rel).Append(deep_txt);
ASSERT_EQ(MAX_PATH - kCreateDirLimit, deep_file.value().length());
FilePath sub_long = deep_file.DirName();
ASSERT_TRUE(file_util::CreateDirectory(sub_long));
CreateTextFile(deep_file, bogus_content);
FilePath base_b = test_dir_.Append(FPL("base_b"));
ASSERT_TRUE(file_util::CreateDirectory(base_b));
FilePath to_sub_a = base_b.Append(FPL("to_sub_a"));
ASSERT_TRUE(file_util::CreateDirectory(to_sub_a));
ScopedHandle reparse_to_sub_a(
::CreateFile(to_sub_a.value().c_str(),
FILE_ALL_ACCESS,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
NULL,
OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS, // Needed to open a directory.
NULL));
ASSERT_NE(INVALID_HANDLE_VALUE, reparse_to_sub_a.Get());
ASSERT_TRUE(SetReparsePoint(reparse_to_sub_a, sub_a));
FilePath to_base_b = base_b.Append(FPL("to_base_b"));
ASSERT_TRUE(file_util::CreateDirectory(to_base_b));
ScopedHandle reparse_to_base_b(
::CreateFile(to_base_b.value().c_str(),
FILE_ALL_ACCESS,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
NULL,
OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS, // Needed to open a directory.
NULL));
ASSERT_NE(INVALID_HANDLE_VALUE, reparse_to_base_b.Get());
ASSERT_TRUE(SetReparsePoint(reparse_to_base_b, base_b));
FilePath to_sub_long = base_b.Append(FPL("to_sub_long"));
ASSERT_TRUE(file_util::CreateDirectory(to_sub_long));
ScopedHandle reparse_to_sub_long(
::CreateFile(to_sub_long.value().c_str(),
FILE_ALL_ACCESS,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
NULL,
OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS, // Needed to open a directory.
NULL));
ASSERT_NE(INVALID_HANDLE_VALUE, reparse_to_sub_long.Get());
ASSERT_TRUE(SetReparsePoint(reparse_to_sub_long, sub_long));
// Normalize a junction free path: base_a\sub_a\file.txt .
FilePath normalized_path;
ASSERT_TRUE(file_util::NormalizeFilePath(file_txt, &normalized_path));
ASSERT_STREQ(file_txt.value().c_str(), normalized_path.value().c_str());
// Check that the path base_b\to_sub_a\file.txt can be normalized to exclude
// the junction to_sub_a.
ASSERT_TRUE(file_util::NormalizeFilePath(to_sub_a.Append(FPL("file.txt")),
&normalized_path));
ASSERT_STREQ(file_txt.value().c_str(), normalized_path.value().c_str());
// Check that the path base_b\to_base_b\to_base_b\to_sub_a\file.txt can be
// normalized to exclude junctions to_base_b and to_sub_a .
ASSERT_TRUE(file_util::NormalizeFilePath(base_b.Append(FPL("to_base_b"))
.Append(FPL("to_base_b"))
.Append(FPL("to_sub_a"))
.Append(FPL("file.txt")),
&normalized_path));
ASSERT_STREQ(file_txt.value().c_str(), normalized_path.value().c_str());
// A long enough path will cause NormalizeFilePath() to fail. Make a long
// path using to_base_b many times, and check that paths long enough to fail
// do not cause a crash.
FilePath long_path = base_b;
const int kLengthLimit = MAX_PATH + 200;
while (long_path.value().length() <= kLengthLimit) {
long_path = long_path.Append(FPL("to_base_b"));
}
long_path = long_path.Append(FPL("to_sub_a"))
.Append(FPL("file.txt"));
ASSERT_FALSE(file_util::NormalizeFilePath(long_path, &normalized_path));
// Normalizing the junction to deep.txt should fail, because the expanded
// path to deep.txt is longer than MAX_PATH.
ASSERT_FALSE(file_util::NormalizeFilePath(to_sub_long.Append(deep_txt),
&normalized_path));
// Delete the reparse points, and see that NormalizeFilePath() fails
// to traverse them.
ASSERT_TRUE(DeleteReparsePoint(reparse_to_sub_a));
ASSERT_TRUE(DeleteReparsePoint(reparse_to_base_b));
ASSERT_TRUE(DeleteReparsePoint(reparse_to_sub_long));
ASSERT_FALSE(file_util::NormalizeFilePath(to_sub_a.Append(FPL("file.txt")),
&normalized_path));
}
#endif // defined(OS_WIN)
// The following test of NormalizeFilePath() require that we create a symlink.
// This can not be done on windows before vista. On vista, creating a symlink
// requires privilege "SeCreateSymbolicLinkPrivilege".
// TODO(skerner): Investigate the possibility of giving base_unittests the
// privileges required to create a symlink.
#if defined(OS_POSIX)
bool MakeSymlink(const FilePath& link_to, const FilePath& link_from) {
return (symlink(link_to.value().c_str(), link_from.value().c_str()) == 0);
}
TEST_F(FileUtilTest, NormalizeFilePathSymlinks) {
FilePath normalized_path;
// Link one file to another.
FilePath link_from = test_dir_.Append(FPL("from_file"));
FilePath link_to = test_dir_.Append(FPL("to_file"));
CreateTextFile(link_to, bogus_content);
ASSERT_TRUE(MakeSymlink(link_to, link_from))
<< "Failed to create file symlink.";
// Check that NormalizeFilePath sees the link.
ASSERT_TRUE(file_util::NormalizeFilePath(link_from, &normalized_path));
ASSERT_TRUE(link_to != link_from);
ASSERT_EQ(link_to.BaseName().value(), normalized_path.BaseName().value());
ASSERT_EQ(link_to.BaseName().value(), normalized_path.BaseName().value());
// Link to a directory.
link_from = test_dir_.Append(FPL("from_dir"));
link_to = test_dir_.Append(FPL("to_dir"));
file_util::CreateDirectory(link_to);
ASSERT_TRUE(MakeSymlink(link_to, link_from))
<< "Failed to create directory symlink.";
ASSERT_FALSE(file_util::NormalizeFilePath(link_from, &normalized_path))
<< "Links to directories should return false.";
// Test that a loop in the links causes NormalizeFilePath() to return false.
link_from = test_dir_.Append(FPL("link_a"));
link_to = test_dir_.Append(FPL("link_b"));
ASSERT_TRUE(MakeSymlink(link_to, link_from))
<< "Failed to create loop symlink a.";
ASSERT_TRUE(MakeSymlink(link_from, link_to))
<< "Failed to create loop symlink b.";
// Infinite loop!
ASSERT_FALSE(file_util::NormalizeFilePath(link_from, &normalized_path));
}
#endif // defined(OS_POSIX)
TEST_F(FileUtilTest, DeleteNonExistent) {
FilePath non_existent = test_dir_.AppendASCII("bogus_file_dne.foobar");
ASSERT_FALSE(file_util::PathExists(non_existent));
EXPECT_TRUE(file_util::Delete(non_existent, false));
ASSERT_FALSE(file_util::PathExists(non_existent));
EXPECT_TRUE(file_util::Delete(non_existent, true));
ASSERT_FALSE(file_util::PathExists(non_existent));
}
TEST_F(FileUtilTest, DeleteFile) {
// Create a file
FilePath file_name = test_dir_.Append(FPL("Test DeleteFile 1.txt"));
CreateTextFile(file_name, bogus_content);
ASSERT_TRUE(file_util::PathExists(file_name));
// Make sure it's deleted
EXPECT_TRUE(file_util::Delete(file_name, false));
EXPECT_FALSE(file_util::PathExists(file_name));
// Test recursive case, create a new file
file_name = test_dir_.Append(FPL("Test DeleteFile 2.txt"));
CreateTextFile(file_name, bogus_content);
ASSERT_TRUE(file_util::PathExists(file_name));
// Make sure it's deleted
EXPECT_TRUE(file_util::Delete(file_name, true));
EXPECT_FALSE(file_util::PathExists(file_name));
}
#if defined(OS_WIN)
// Tests that the Delete function works for wild cards, especially
// with the recursion flag. Also coincidentally tests PathExists.
// TODO(erikkay): see if anyone's actually using this feature of the API
TEST_F(FileUtilTest, DeleteWildCard) {
// Create a file and a directory
FilePath file_name = test_dir_.Append(FPL("Test DeleteWildCard.txt"));
CreateTextFile(file_name, bogus_content);
ASSERT_TRUE(file_util::PathExists(file_name));
FilePath subdir_path = test_dir_.Append(FPL("DeleteWildCardDir"));
file_util::CreateDirectory(subdir_path);
ASSERT_TRUE(file_util::PathExists(subdir_path));
// Create the wildcard path
FilePath directory_contents = test_dir_;
directory_contents = directory_contents.Append(FPL("*"));
// Delete non-recursively and check that only the file is deleted
EXPECT_TRUE(file_util::Delete(directory_contents, false));
EXPECT_FALSE(file_util::PathExists(file_name));
EXPECT_TRUE(file_util::PathExists(subdir_path));
// Delete recursively and make sure all contents are deleted
EXPECT_TRUE(file_util::Delete(directory_contents, true));
EXPECT_FALSE(file_util::PathExists(file_name));
EXPECT_FALSE(file_util::PathExists(subdir_path));
}
// TODO(erikkay): see if anyone's actually using this feature of the API
TEST_F(FileUtilTest, DeleteNonExistantWildCard) {
// Create a file and a directory
FilePath subdir_path = test_dir_.Append(FPL("DeleteNonExistantWildCard"));
file_util::CreateDirectory(subdir_path);
ASSERT_TRUE(file_util::PathExists(subdir_path));
// Create the wildcard path
FilePath directory_contents = subdir_path;
directory_contents = directory_contents.Append(FPL("*"));
// Delete non-recursively and check nothing got deleted
EXPECT_TRUE(file_util::Delete(directory_contents, false));
EXPECT_TRUE(file_util::PathExists(subdir_path));
// Delete recursively and check nothing got deleted
EXPECT_TRUE(file_util::Delete(directory_contents, true));
EXPECT_TRUE(file_util::PathExists(subdir_path));
}
#endif
// Tests non-recursive Delete() for a directory.
TEST_F(FileUtilTest, DeleteDirNonRecursive) {
// Create a subdirectory and put a file and two directories inside.
FilePath test_subdir = test_dir_.Append(FPL("DeleteDirNonRecursive"));
file_util::CreateDirectory(test_subdir);
ASSERT_TRUE(file_util::PathExists(test_subdir));
FilePath file_name = test_subdir.Append(FPL("Test DeleteDir.txt"));
CreateTextFile(file_name, bogus_content);
ASSERT_TRUE(file_util::PathExists(file_name));
FilePath subdir_path1 = test_subdir.Append(FPL("TestSubDir1"));
file_util::CreateDirectory(subdir_path1);
ASSERT_TRUE(file_util::PathExists(subdir_path1));
FilePath subdir_path2 = test_subdir.Append(FPL("TestSubDir2"));
file_util::CreateDirectory(subdir_path2);
ASSERT_TRUE(file_util::PathExists(subdir_path2));
// Delete non-recursively and check that the empty dir got deleted
EXPECT_TRUE(file_util::Delete(subdir_path2, false));
EXPECT_FALSE(file_util::PathExists(subdir_path2));
// Delete non-recursively and check that nothing got deleted
EXPECT_FALSE(file_util::Delete(test_subdir, false));
EXPECT_TRUE(file_util::PathExists(test_subdir));
EXPECT_TRUE(file_util::PathExists(file_name));
EXPECT_TRUE(file_util::PathExists(subdir_path1));
}
// Tests recursive Delete() for a directory.
TEST_F(FileUtilTest, DeleteDirRecursive) {
// Create a subdirectory and put a file and two directories inside.
FilePath test_subdir = test_dir_.Append(FPL("DeleteDirRecursive"));
file_util::CreateDirectory(test_subdir);
ASSERT_TRUE(file_util::PathExists(test_subdir));
FilePath file_name = test_subdir.Append(FPL("Test DeleteDirRecursive.txt"));
CreateTextFile(file_name, bogus_content);
ASSERT_TRUE(file_util::PathExists(file_name));
FilePath subdir_path1 = test_subdir.Append(FPL("TestSubDir1"));
file_util::CreateDirectory(subdir_path1);
ASSERT_TRUE(file_util::PathExists(subdir_path1));
FilePath subdir_path2 = test_subdir.Append(FPL("TestSubDir2"));
file_util::CreateDirectory(subdir_path2);
ASSERT_TRUE(file_util::PathExists(subdir_path2));
// Delete recursively and check that the empty dir got deleted
EXPECT_TRUE(file_util::Delete(subdir_path2, true));
EXPECT_FALSE(file_util::PathExists(subdir_path2));
// Delete recursively and check that everything got deleted
EXPECT_TRUE(file_util::Delete(test_subdir, true));
EXPECT_FALSE(file_util::PathExists(file_name));
EXPECT_FALSE(file_util::PathExists(subdir_path1));
EXPECT_FALSE(file_util::PathExists(test_subdir));
}
TEST_F(FileUtilTest, MoveFileNew) {
// Create a file
FilePath file_name_from =
test_dir_.Append(FILE_PATH_LITERAL("Move_Test_File.txt"));
CreateTextFile(file_name_from, L"Gooooooooooooooooooooogle");
ASSERT_TRUE(file_util::PathExists(file_name_from));
// The destination
FilePath file_name_to =
test_dir_.Append(FILE_PATH_LITERAL("Move_Test_File_Destination.txt"));
ASSERT_FALSE(file_util::PathExists(file_name_to));
EXPECT_TRUE(file_util::Move(file_name_from, file_name_to));
// Check everything has been moved.
EXPECT_FALSE(file_util::PathExists(file_name_from));
EXPECT_TRUE(file_util::PathExists(file_name_to));
}
TEST_F(FileUtilTest, MoveFileExists) {
// Create a file
FilePath file_name_from =
test_dir_.Append(FILE_PATH_LITERAL("Move_Test_File.txt"));
CreateTextFile(file_name_from, L"Gooooooooooooooooooooogle");
ASSERT_TRUE(file_util::PathExists(file_name_from));
// The destination name
FilePath file_name_to =
test_dir_.Append(FILE_PATH_LITERAL("Move_Test_File_Destination.txt"));
CreateTextFile(file_name_to, L"Old file content");
ASSERT_TRUE(file_util::PathExists(file_name_to));
EXPECT_TRUE(file_util::Move(file_name_from, file_name_to));
// Check everything has been moved.
EXPECT_FALSE(file_util::PathExists(file_name_from));
EXPECT_TRUE(file_util::PathExists(file_name_to));
EXPECT_TRUE(L"Gooooooooooooooooooooogle" == ReadTextFile(file_name_to));
}
TEST_F(FileUtilTest, MoveFileDirExists) {
// Create a file
FilePath file_name_from =
test_dir_.Append(FILE_PATH_LITERAL("Move_Test_File.txt"));
CreateTextFile(file_name_from, L"Gooooooooooooooooooooogle");
ASSERT_TRUE(file_util::PathExists(file_name_from));
// The destination directory
FilePath dir_name_to =
test_dir_.Append(FILE_PATH_LITERAL("Destination"));
file_util::CreateDirectory(dir_name_to);
ASSERT_TRUE(file_util::PathExists(dir_name_to));
EXPECT_FALSE(file_util::Move(file_name_from, dir_name_to));
}
TEST_F(FileUtilTest, MoveNew) {
// Create a directory
FilePath dir_name_from =
test_dir_.Append(FILE_PATH_LITERAL("Move_From_Subdir"));
file_util::CreateDirectory(dir_name_from);
ASSERT_TRUE(file_util::PathExists(dir_name_from));
// Create a file under the directory
FilePath file_name_from =
dir_name_from.Append(FILE_PATH_LITERAL("Move_Test_File.txt"));
CreateTextFile(file_name_from, L"Gooooooooooooooooooooogle");
ASSERT_TRUE(file_util::PathExists(file_name_from));
// Move the directory
FilePath dir_name_to = test_dir_.Append(FILE_PATH_LITERAL("Move_To_Subdir"));
FilePath file_name_to =
dir_name_to.Append(FILE_PATH_LITERAL("Move_Test_File.txt"));
ASSERT_FALSE(file_util::PathExists(dir_name_to));
EXPECT_TRUE(file_util::Move(dir_name_from, dir_name_to));
// Check everything has been moved.
EXPECT_FALSE(file_util::PathExists(dir_name_from));
EXPECT_FALSE(file_util::PathExists(file_name_from));
EXPECT_TRUE(file_util::PathExists(dir_name_to));
EXPECT_TRUE(file_util::PathExists(file_name_to));
}
TEST_F(FileUtilTest, MoveExist) {
// Create a directory
FilePath dir_name_from =
test_dir_.Append(FILE_PATH_LITERAL("Move_From_Subdir"));
file_util::CreateDirectory(dir_name_from);
ASSERT_TRUE(file_util::PathExists(dir_name_from));
// Create a file under the directory
FilePath file_name_from =
dir_name_from.Append(FILE_PATH_LITERAL("Move_Test_File.txt"));
CreateTextFile(file_name_from, L"Gooooooooooooooooooooogle");
ASSERT_TRUE(file_util::PathExists(file_name_from));
// Move the directory
FilePath dir_name_exists =
test_dir_.Append(FILE_PATH_LITERAL("Destination"));
FilePath dir_name_to =
dir_name_exists.Append(FILE_PATH_LITERAL("Move_To_Subdir"));
FilePath file_name_to =
dir_name_to.Append(FILE_PATH_LITERAL("Move_Test_File.txt"));
// Create the destination directory.
file_util::CreateDirectory(dir_name_exists);
ASSERT_TRUE(file_util::PathExists(dir_name_exists));
EXPECT_TRUE(file_util::Move(dir_name_from, dir_name_to));
// Check everything has been moved.
EXPECT_FALSE(file_util::PathExists(dir_name_from));
EXPECT_FALSE(file_util::PathExists(file_name_from));
EXPECT_TRUE(file_util::PathExists(dir_name_to));
EXPECT_TRUE(file_util::PathExists(file_name_to));
}
TEST_F(FileUtilTest, CopyDirectoryRecursivelyNew) {
// Create a directory.
FilePath dir_name_from =
test_dir_.Append(FILE_PATH_LITERAL("Copy_From_Subdir"));
file_util::CreateDirectory(dir_name_from);
ASSERT_TRUE(file_util::PathExists(dir_name_from));
// Create a file under the directory.
FilePath file_name_from =
dir_name_from.Append(FILE_PATH_LITERAL("Copy_Test_File.txt"));
CreateTextFile(file_name_from, L"Gooooooooooooooooooooogle");
ASSERT_TRUE(file_util::PathExists(file_name_from));
// Create a subdirectory.
FilePath subdir_name_from =
dir_name_from.Append(FILE_PATH_LITERAL("Subdir"));
file_util::CreateDirectory(subdir_name_from);
ASSERT_TRUE(file_util::PathExists(subdir_name_from));
// Create a file under the subdirectory.
FilePath file_name2_from =
subdir_name_from.Append(FILE_PATH_LITERAL("Copy_Test_File.txt"));
CreateTextFile(file_name2_from, L"Gooooooooooooooooooooogle");
ASSERT_TRUE(file_util::PathExists(file_name2_from));
// Copy the directory recursively.
FilePath dir_name_to =
test_dir_.Append(FILE_PATH_LITERAL("Copy_To_Subdir"));
FilePath file_name_to =
dir_name_to.Append(FILE_PATH_LITERAL("Copy_Test_File.txt"));
FilePath subdir_name_to =