diff options
-rw-r--r-- | src/google/protobuf/stubs/io_win32.cc | 165 | ||||
-rw-r--r-- | src/google/protobuf/stubs/io_win32.h | 21 | ||||
-rw-r--r-- | src/google/protobuf/stubs/io_win32_unittest.cc | 214 |
3 files changed, 274 insertions, 126 deletions
diff --git a/src/google/protobuf/stubs/io_win32.cc b/src/google/protobuf/stubs/io_win32.cc index fa2cb8b1..ad2d2d26 100644 --- a/src/google/protobuf/stubs/io_win32.cc +++ b/src/google/protobuf/stubs/io_win32.cc @@ -30,10 +30,11 @@ // Author: laszlocsomor@google.com (Laszlo Csomor) // -// Implementation for long-path-aware open/mkdir/etc. on Windows. +// Implementation for long-path-aware open/mkdir/access/etc. on Windows, as well +// as for the supporting utility functions. // // These functions convert the input path to an absolute Windows path -// with "\\?\" prefix if necessary, then pass that to _wopen/_wmkdir/etc. +// with "\\?\" prefix, then pass that to _wopen/_wmkdir/_waccess/etc. // (declared in <io.h>) respectively. This allows working with files/directories // whose paths are longer than MAX_PATH (260 chars). // @@ -59,7 +60,6 @@ #include <google/protobuf/stubs/io_win32.h> #include <google/protobuf/stubs/scoped_ptr.h> -#include <cassert> #include <memory> #include <sstream> #include <string> @@ -89,6 +89,11 @@ struct CharTraits<wchar_t> { static bool is_alpha(wchar_t ch) { return iswalpha(ch); } }; +template <typename char_type> +bool null_or_empty(const char_type* s) { + return s == nullptr || *s == 0; +} + // Returns true if the path starts with a drive letter, e.g. "c:". // Note that this won't check for the "\" after the drive letter, so this also // returns true for "c:foo" (which is "c:\${PWD}\foo"). @@ -121,16 +126,7 @@ bool is_drive_relative(const char_type* path) { return has_drive_letter(path) && (path[2] == 0 || !is_separator(path[2])); } -template <typename char_type> -void replace_directory_separators(char_type* p) { - for (; *p; ++p) { - if (*p == '/') { - *p = '\\'; - } - } -} - -string join_paths(const string& path1, const string& path2) { +wstring join_paths(const wstring& path1, const wstring& path2) { if (path1.empty() || is_path_absolute(path2.c_str()) || has_longpath_prefix(path2.c_str())) { return path2; @@ -144,23 +140,23 @@ string join_paths(const string& path1, const string& path2) { : (path1 + path2); } else { return is_separator(path2[0]) ? (path1 + path2) - : (path1 + '\\' + path2); + : (path1 + L'\\' + path2); } } -string normalize(string path) { +wstring normalize(wstring path) { if (has_longpath_prefix(path.c_str())) { path = path.substr(4); } - static const string dot("."); - static const string dotdot(".."); + static const wstring dot(L"."); + static const wstring dotdot(L".."); - std::vector<string> segments; + std::vector<wstring> segments; int segment_start = -1; // Find the path segments in `path` (separated by "/"). for (int i = 0;; ++i) { - if (!is_separator(path[i]) && path[i] != '\0') { + if (!is_separator(path[i]) && path[i] != L'\0') { // The current character does not end a segment, so start one unless it's // already started. if (segment_start < 0) { @@ -169,7 +165,7 @@ string normalize(string path) { } else if (segment_start >= 0 && i > segment_start) { // The current character is "/" or "\0", so this ends a segment. // Add that to `segments` if there's anything to add; handle "." and "..". - string segment(path, segment_start, i - segment_start); + wstring segment(path, segment_start, i - segment_start); segment_start = -1; if (segment == dotdot) { if (!segments.empty() && @@ -180,7 +176,7 @@ string normalize(string path) { segments.push_back(segment); } } - if (path[i] == '\0') { + if (path[i] == L'\0') { break; } } @@ -189,64 +185,62 @@ string normalize(string path) { // form of it, e.g. "c:\.."). if (segments.size() == 1 && segments[0].size() == 2 && has_drive_letter(segments[0].c_str())) { - return segments[0] + '\\'; + return segments[0] + L'\\'; } // Join all segments. bool first = true; - std::ostringstream result; + std::wstringstream result; for (int i = 0; i < segments.size(); ++i) { if (!first) { - result << '\\'; + result << L'\\'; } first = false; result << segments[i]; } // Preserve trailing separator if the input contained it. if (!path.empty() && is_separator(path[path.size() - 1])) { - result << '\\'; + result << L'\\'; } return result.str(); } -WCHAR* as_wstring(const string& s) { - int len = ::MultiByteToWideChar(CP_UTF8, 0, s.c_str(), s.size(), NULL, 0); - WCHAR* result = new WCHAR[len + 1]; - ::MultiByteToWideChar(CP_UTF8, 0, s.c_str(), s.size(), result, len + 1); - result[len] = 0; - return result; -} - -void as_wchar_path(const string& path, wstring* wchar_path) { - scoped_array<WCHAR> wbuf(as_wstring(path)); - replace_directory_separators(wbuf.get()); - wchar_path->assign(wbuf.get()); -} - -bool as_windows_path(const string& path, wstring* result) { - if (path.empty()) { +bool as_windows_path(const char* path, wstring* result) { + if (null_or_empty(path)) { result->clear(); return true; } - if (is_separator(path[0]) || is_drive_relative(path.c_str())) { + wstring wpath; + if (!strings::utf8_to_wcs(path, &wpath)) { + return false; + } + if (has_longpath_prefix(wpath.c_str())) { + *result = wpath; + return true; + } + if (is_separator(path[0]) || is_drive_relative(path)) { return false; } - string mutable_path = path; - if (!is_path_absolute(mutable_path.c_str()) && - !has_longpath_prefix(mutable_path.c_str())) { - char cwd[MAX_PATH]; - ::GetCurrentDirectoryA(MAX_PATH, cwd); - mutable_path = join_paths(cwd, mutable_path); + + if (!is_path_absolute(wpath.c_str())) { + int size = ::GetCurrentDirectoryW(0, NULL); + if (size == 0 && GetLastError() != ERROR_INSUFFICIENT_BUFFER) { + return false; + } + scoped_array<WCHAR> wcwd(new WCHAR[size]); + ::GetCurrentDirectoryW(size, wcwd.get()); + wpath = join_paths(wcwd.get(), wpath); } - as_wchar_path(normalize(mutable_path), result); - if (!has_longpath_prefix(result->c_str())) { + wpath = normalize(wpath); + if (!has_longpath_prefix(wpath.c_str())) { // Add the "\\?\" prefix unconditionally. This way we prevent the Win32 API // from processing the path and "helpfully" removing trailing dots from the // path, for example. // See https://github.com/bazelbuild/bazel/issues/2935 - *result = wstring(L"\\\\?\\") + *result; + wpath = wstring(L"\\\\?\\") + wpath; } + *result = wpath; return true; } @@ -319,13 +313,21 @@ int stat(const char* path, struct _stat* buffer) { FILE* fopen(const char* path, const char* mode) { #ifdef SUPPORT_LONGPATHS + if (null_or_empty(path)) { + errno = EINVAL; + return NULL; + } wstring wpath; if (!as_windows_path(path, &wpath)) { errno = ENOENT; return NULL; } - scoped_array<WCHAR> wmode(as_wstring(mode)); - return ::_wfopen(wpath.c_str(), wmode.get()); + wstring wmode; + if (!strings::utf8_to_wcs(mode, &wmode)) { + errno = EINVAL; + return NULL; + } + return ::_wfopen(wpath.c_str(), wmode.c_str()); #else return ::fopen(path, mode); #endif @@ -347,16 +349,65 @@ int write(int fd, const void* buffer, size_t size) { return ::_write(fd, buffer, size); } -wstring testonly_path_to_winpath(const string& path) { +wstring testonly_utf8_to_winpath(const char* path) { wstring wpath; - as_windows_path(path, &wpath); - return wpath; + return as_windows_path(path, &wpath) ? wpath : wstring(); +} + +namespace strings { + +bool wcs_to_mbs(const WCHAR* s, string* out, bool outUtf8) { + if (null_or_empty(s)) { + out->clear(); + return true; + } + BOOL usedDefaultChar = FALSE; + SetLastError(0); + int size = WideCharToMultiByte( + outUtf8 ? CP_UTF8 : CP_ACP, 0, s, -1, NULL, 0, NULL, + outUtf8 ? NULL : &usedDefaultChar); + if ((size == 0 && GetLastError() != ERROR_INSUFFICIENT_BUFFER) + || usedDefaultChar) { + return false; + } + scoped_array<CHAR> astr(new CHAR[size]); + WideCharToMultiByte( + outUtf8 ? CP_UTF8 : CP_ACP, 0, s, -1, astr.get(), size, NULL, NULL); + out->assign(astr.get()); + return true; +} + +bool mbs_to_wcs(const char* s, wstring* out, bool inUtf8) { + if (null_or_empty(s)) { + out->clear(); + return true; + } + + SetLastError(0); + int size = + MultiByteToWideChar(inUtf8 ? CP_UTF8 : CP_ACP, 0, s, -1, NULL, 0); + if (size == 0 && GetLastError() != ERROR_INSUFFICIENT_BUFFER) { + return false; + } + scoped_array<WCHAR> wstr(new WCHAR[size]); + MultiByteToWideChar( + inUtf8 ? CP_UTF8 : CP_ACP, 0, s, -1, wstr.get(), size + 1); + out->assign(wstr.get()); + return true; } +bool utf8_to_wcs(const char* input, wstring* out) { + return mbs_to_wcs(input, out, true); +} + +bool wcs_to_utf8(const wchar_t* input, string* out) { + return wcs_to_mbs(input, out, true); +} + +} // namespace strings } // namespace win32 } // namespace internal } // namespace protobuf } // namespace google #endif // defined(_WIN32) - diff --git a/src/google/protobuf/stubs/io_win32.h b/src/google/protobuf/stubs/io_win32.h index 53160089..9e17d253 100644 --- a/src/google/protobuf/stubs/io_win32.h +++ b/src/google/protobuf/stubs/io_win32.h @@ -69,8 +69,25 @@ LIBPROTOBUF_EXPORT int read(int fd, void* buffer, size_t size); LIBPROTOBUF_EXPORT int setmode(int fd, int mode); LIBPROTOBUF_EXPORT int stat(const char* path, struct _stat* buffer); LIBPROTOBUF_EXPORT int write(int fd, const void* buffer, size_t size); -LIBPROTOBUF_EXPORT std::wstring testonly_path_to_winpath( - const std::string& path); +LIBPROTOBUF_EXPORT std::wstring testonly_utf8_to_winpath(const char* path); + +namespace strings { + +// Convert from UTF-16 to Active-Code-Page-encoded or to UTF-8-encoded text. +LIBPROTOBUF_EXPORT bool wcs_to_mbs( + const wchar_t* s, std::string* out, bool outUtf8); + +// Convert from Active-Code-Page-encoded or UTF-8-encoded text to UTF-16. +LIBPROTOBUF_EXPORT bool mbs_to_wcs( + const char* s, std::wstring* out, bool inUtf8); + +// Convert from UTF-8-encoded text to UTF-16. +LIBPROTOBUF_EXPORT bool utf8_to_wcs(const char* input, std::wstring* out); + +// Convert from UTF-16-encoded text to UTF-8. +LIBPROTOBUF_EXPORT bool wcs_to_utf8(const wchar_t* input, std::string* out); + +} // namespace strings } // namespace win32 } // namespace internal diff --git a/src/google/protobuf/stubs/io_win32_unittest.cc b/src/google/protobuf/stubs/io_win32_unittest.cc index ce6f7162..b216aece 100644 --- a/src/google/protobuf/stubs/io_win32_unittest.cc +++ b/src/google/protobuf/stubs/io_win32_unittest.cc @@ -30,7 +30,8 @@ // Author: laszlocsomor@google.com (Laszlo Csomor) // -// Unit tests for long-path-aware open/mkdir/access on Windows. +// Unit tests for long-path-aware open/mkdir/access/etc. on Windows, as well as +// for the supporting utility functions. // // This file is only used on Windows, it's empty on other platforms. @@ -48,7 +49,6 @@ #include <google/protobuf/stubs/io_win32.h> #include <google/protobuf/stubs/scoped_ptr.h> -#include <google/protobuf/testing/googletest.h> #include <gtest/gtest.h> #include <memory> @@ -61,6 +61,27 @@ namespace internal { namespace win32 { namespace { +const char kUtf8Text[] = { + 'h', 'i', ' ', + // utf-8: 11010000 10011111, utf-16: 100 0001 1111 = 0x041F + 0xd0, 0x9f, + // utf-8: 11010001 10000000, utf-16: 100 0100 0000 = 0x0440 + 0xd1, 0x80, + // utf-8: 11010000 10111000, utf-16: 100 0011 1000 = 0x0438 + 0xd0, 0xb8, + // utf-8: 11010000 10110010, utf-16: 100 0011 0010 = 0x0432 + 0xd0, 0xb2, + // utf-8: 11010000 10110101, utf-16: 100 0011 0101 = 0x0435 + 0xd0, 0xb5, + // utf-8: 11010001 10000010, utf-16: 100 0100 0010 = 0x0442 + 0xd1, 0x82, 0 +}; + +const wchar_t kUtf16Text[] = { + L'h', L'i', L' ', + L'\x41f', L'\x440', L'\x438', L'\x432', L'\x435', L'\x442', 0 +}; + using std::string; using std::wstring; @@ -73,6 +94,7 @@ class IoWin32Test : public ::testing::Test { bool CreateAllUnder(wstring path); bool DeleteAllUnder(wstring path); + WCHAR working_directory[MAX_PATH]; string test_tmpdir; wstring wtest_tmpdir; }; @@ -89,71 +111,88 @@ void StripTrailingSlashes(string* str) { for (; i >= 0 && ((*str)[i] == '/' || (*str)[i] == '\\'); --i) {} str->resize(i+1); } + +bool GetEnvVarAsUtf8(const WCHAR* name, string* result) { + DWORD size = ::GetEnvironmentVariableW(name, NULL, 0); + if (size > 0 && GetLastError() != ERROR_ENVVAR_NOT_FOUND) { + scoped_array<WCHAR> wcs(new WCHAR[size]); + ::GetEnvironmentVariableW(name, wcs.get(), size); + // GetEnvironmentVariableA retrieves an Active-Code-Page-encoded text which + // we'd first need to convert to UTF-16 then to UTF-8, because there seems + // to be no API function to do that conversion directly. + // GetEnvironmentVariableW retrieves an UTF-16-encoded text, which we need + // to convert to UTF-8. + return strings::wcs_to_utf8(wcs.get(), result); + } else { + return false; + } +} + +bool GetCwdAsUtf8(string* result) { + DWORD size = ::GetCurrentDirectoryW(0, NULL); + if (size > 0) { + scoped_array<WCHAR> wcs(new WCHAR[size]); + ::GetCurrentDirectoryW(size, wcs.get()); + // GetCurrentDirectoryA retrieves an Active-Code-Page-encoded text which + // we'd first need to convert to UTF-16 then to UTF-8, because there seems + // to be no API function to do that conversion directly. + // GetCurrentDirectoryW retrieves an UTF-16-encoded text, which we need + // to convert to UTF-8. + return strings::wcs_to_utf8(wcs.get(), result); + } else { + return false; + } +} + } // namespace void IoWin32Test::SetUp() { - test_tmpdir = string(TestTempDir()); + test_tmpdir.clear(); wtest_tmpdir.clear(); - if (test_tmpdir.empty()) { - const char* test_tmpdir_env = getenv("TEST_TMPDIR"); - if (test_tmpdir_env != NULL && *test_tmpdir_env) { - test_tmpdir = string(test_tmpdir_env); - } - - // Only Bazel defines TEST_TMPDIR, CMake does not, so look for other - // suitable environment variables. - if (test_tmpdir.empty()) { - static const char* names[] = {"TEMP", "TMP"}; - for (int i = 0; i < sizeof(names)/sizeof(names[0]); ++i) { - const char* name = names[i]; - test_tmpdir_env = getenv(name); - if (test_tmpdir_env != NULL && *test_tmpdir_env) { - test_tmpdir = string(test_tmpdir_env); - break; - } - } - } + EXPECT_GT(::GetCurrentDirectoryW(MAX_PATH, working_directory), 0); - // No other temp directory was found. Use the current director - if (test_tmpdir.empty()) { - char buffer[MAX_PATH]; - // Use GetCurrentDirectoryA instead of GetCurrentDirectoryW, because the - // current working directory must always be shorter than MAX_PATH, even - // with - // "\\?\" prefix (except on Windows 10 version 1607 and beyond, after - // opting in to long paths by default [1]). - // - // [1] https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx#maxpath - DWORD result = ::GetCurrentDirectoryA(MAX_PATH, buffer); - if (result > 0) { - test_tmpdir = string(buffer); - } else { - // Using assertions in SetUp/TearDown seems to confuse the test - // framework, so just leave the member variables empty in case of - // failure. - GOOGLE_CHECK_OK(false); - return; - } - } + string tmp; + bool ok = false; + if (!ok) { + // Bazel sets this environment variable when it runs tests. + ok = GetEnvVarAsUtf8(L"TEST_TMPDIR", &tmp); } - - StripTrailingSlashes(&test_tmpdir); - test_tmpdir += "\\io_win32_unittest.tmp"; - - // CreateDirectoryA's limit is 248 chars, see MSDN. - // https://msdn.microsoft.com/en-us/library/windows/desktop/aa363855(v=vs.85).aspx - wtest_tmpdir = testonly_path_to_winpath(test_tmpdir); - if (!DeleteAllUnder(wtest_tmpdir) || !CreateAllUnder(wtest_tmpdir)) { - GOOGLE_CHECK_OK(false); - test_tmpdir.clear(); - wtest_tmpdir.clear(); + if (!ok) { + // Bazel 0.8.0 sets this environment for every build and test action. + ok = GetEnvVarAsUtf8(L"TEMP", &tmp); } + if (!ok) { + // Bazel 0.8.0 sets this environment for every build and test action. + ok = GetEnvVarAsUtf8(L"TMP", &tmp); + } + if (!ok) { + // Fall back to using the current directory. + ok = GetCwdAsUtf8(&tmp); + } + if (!ok || tmp.empty()) { + FAIL() << "Cannot find a temp directory."; + } + + StripTrailingSlashes(&tmp); + std::stringstream result; + // Deleting files and directories is asynchronous on Windows, and if TearDown + // just deleted the previous temp directory, sometimes we cannot recreate the + // same directory. + // Use a counter so every test method gets its own temp directory. + static unsigned int counter = 0; + result << tmp << "\\w32tst" << counter++ << ".tmp"; + test_tmpdir = result.str(); + wtest_tmpdir = testonly_utf8_to_winpath(test_tmpdir.c_str()); + ASSERT_FALSE(wtest_tmpdir.empty()); + ASSERT_TRUE(DeleteAllUnder(wtest_tmpdir)); + ASSERT_TRUE(CreateAllUnder(wtest_tmpdir)); } void IoWin32Test::TearDown() { if (!wtest_tmpdir.empty()) { DeleteAllUnder(wtest_tmpdir); } + ::SetCurrentDirectoryW(working_directory); } bool IoWin32Test::CreateAllUnder(wstring path) { @@ -191,8 +230,8 @@ bool IoWin32Test::DeleteAllUnder(wstring path) { path = wstring(L"\\\\?\\") + path; } // Append "\" if necessary. - if (path[path.size() - 1] != '\\') { - path.push_back('\\'); + if (path[path.size() - 1] != L'\\') { + path.push_back(L'\\'); } WIN32_FIND_DATAW metadata; @@ -309,13 +348,24 @@ TEST_F(IoWin32Test, MkdirTest) { ASSERT_EQ(errno, ENOENT); } +TEST_F(IoWin32Test, MkdirTestNonAscii) { + ASSERT_INITIALIZED; + + // Create a non-ASCII path. + // Ensure that we can create the directory using SetCurrentDirectoryW. + EXPECT_TRUE(CreateDirectoryW((wtest_tmpdir + L"\\1").c_str(), NULL)); + EXPECT_TRUE(CreateDirectoryW((wtest_tmpdir + L"\\1\\" + kUtf16Text).c_str(), NULL)); + // Ensure that we can create a very similarly named directory using mkdir. + // We don't attemp to delete and recreate the same directory, because on + // Windows, deleting files and directories seems to be asynchronous. + EXPECT_EQ(mkdir((test_tmpdir + "\\2").c_str(), 0644), 0); + EXPECT_EQ(mkdir((test_tmpdir + "\\2\\" + kUtf8Text).c_str(), 0644), 0); +} + TEST_F(IoWin32Test, ChdirTest) { - char owd[MAX_PATH]; - EXPECT_GT(::GetCurrentDirectoryA(MAX_PATH, owd), 0); string path("C:\\"); EXPECT_EQ(access(path.c_str(), F_OK), 0); ASSERT_EQ(chdir(path.c_str()), 0); - EXPECT_TRUE(::SetCurrentDirectoryA(owd)); // Do not try to chdir into the test_tmpdir, it may already contain directory // names with trailing dots. @@ -330,17 +380,37 @@ TEST_F(IoWin32Test, ChdirTest) { ASSERT_NE(chdir(path.c_str()), 0); } +TEST_F(IoWin32Test, ChdirTestNonAscii) { + ASSERT_INITIALIZED; + + // Create a directory with a non-ASCII path and ensure we can cd into it. + wstring wNonAscii(wtest_tmpdir + L"\\" + kUtf16Text); + string nonAscii; + EXPECT_TRUE(strings::wcs_to_utf8(wNonAscii.c_str(), &nonAscii)); + EXPECT_TRUE(CreateDirectoryW(wNonAscii.c_str(), NULL)); + WCHAR cwd[MAX_PATH]; + EXPECT_TRUE(GetCurrentDirectoryW(MAX_PATH, cwd)); + // Ensure that we can cd into the path using SetCurrentDirectoryW. + EXPECT_TRUE(SetCurrentDirectoryW(wNonAscii.c_str())); + EXPECT_TRUE(SetCurrentDirectoryW(cwd)); + // Ensure that we can cd into the path using chdir. + ASSERT_EQ(chdir(nonAscii.c_str()), 0); + // Ensure that the GetCurrentDirectoryW returns the desired path. + EXPECT_TRUE(GetCurrentDirectoryW(MAX_PATH, cwd)); + ASSERT_EQ(wNonAscii, cwd); +} + TEST_F(IoWin32Test, AsWindowsPathTest) { DWORD size = GetCurrentDirectoryW(0, NULL); scoped_array<wchar_t> cwd_str(new wchar_t[size]); EXPECT_GT(GetCurrentDirectoryW(size, cwd_str.get()), 0); wstring cwd = wstring(L"\\\\?\\") + cwd_str.get(); - ASSERT_EQ(testonly_path_to_winpath("relative_mkdirtest"), + ASSERT_EQ(testonly_utf8_to_winpath("relative_mkdirtest"), cwd + L"\\relative_mkdirtest"); - ASSERT_EQ(testonly_path_to_winpath("preserve//\\trailing///"), + ASSERT_EQ(testonly_utf8_to_winpath("preserve//\\trailing///"), cwd + L"\\preserve\\trailing\\"); - ASSERT_EQ(testonly_path_to_winpath("./normalize_me\\/../blah"), + ASSERT_EQ(testonly_utf8_to_winpath("./normalize_me\\/../blah"), cwd + L"\\blah"); std::ostringstream relpath; for (wchar_t* p = cwd_str.get(); *p; ++p) { @@ -349,18 +419,28 @@ TEST_F(IoWin32Test, AsWindowsPathTest) { } } relpath << ".\\/../\\./beyond-toplevel"; - ASSERT_EQ(testonly_path_to_winpath(relpath.str()), + ASSERT_EQ(testonly_utf8_to_winpath(relpath.str().c_str()), wstring(L"\\\\?\\") + cwd_str.get()[0] + L":\\beyond-toplevel"); // Absolute unix paths lack drive letters, driveless absolute windows paths // do too. Neither can be converted to a drive-specifying absolute Windows // path. - ASSERT_EQ(testonly_path_to_winpath("/absolute/unix/path"), L""); + ASSERT_EQ(testonly_utf8_to_winpath("/absolute/unix/path"), L""); // Though valid on Windows, we also don't support UNC paths (\\UNC\\blah). - ASSERT_EQ(testonly_path_to_winpath("\\driveless\\absolute"), L""); + ASSERT_EQ(testonly_utf8_to_winpath("\\driveless\\absolute"), L""); // Though valid in cmd.exe, drive-relative paths are not supported. - ASSERT_EQ(testonly_path_to_winpath("c:foo"), L""); - ASSERT_EQ(testonly_path_to_winpath("c:/foo"), L"\\\\?\\c:\\foo"); + ASSERT_EQ(testonly_utf8_to_winpath("c:foo"), L""); + ASSERT_EQ(testonly_utf8_to_winpath("c:/foo"), L"\\\\?\\c:\\foo"); + ASSERT_EQ(testonly_utf8_to_winpath("\\\\?\\C:\\foo"), L"\\\\?\\C:\\foo"); +} + +TEST_F(IoWin32Test, Utf8Utf16ConversionTest) { + string mbs; + wstring wcs; + ASSERT_TRUE(strings::utf8_to_wcs(kUtf8Text, &wcs)); + ASSERT_TRUE(strings::wcs_to_utf8(kUtf16Text, &mbs)); + ASSERT_EQ(wcs, kUtf16Text); + ASSERT_EQ(mbs, kUtf8Text); } } // namespace |