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test/hotspot/gtest/runtime/test_os_windows.cpp
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rev 55820 : 8191521: handle long relative path specified in -Xbootclasspath/a on windows
Reviewed-by:
@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
@@ -83,6 +83,574 @@
EXPECT_EQ(expected_location, actual_location)
<< "Failed to allocate memory at requested location " << expected_location << " of size " << expected_allocation_size;
}
+
+// Test which tries to find out if the os::stat, os::open and os::dir_is_empty methods
+// can handle long path names correctly.
+enum ModsFilter {
+ Allow_None = 0,
+ Allow_Sep_Mods = 1,
+ Allow_Dot_Path = 2,
+ Allow_Dot_Dot_Path = 4,
+ Allow_All = Allow_Sep_Mods | Allow_Dot_Path | Allow_Dot_Dot_Path
+};
+
+enum Mode {
+ TEST,
+ EXAMPLES,
+ BENCH
+};
+
+static ModsFilter mods_filter = Allow_All;
+static int mods_per_path = 50;
+static Mode mode = TEST;
+
+static void get_current_dir_w(wchar_t* path, size_t size) {
+ DWORD count = GetCurrentDirectoryW((DWORD) size, path);
+ EXPECT_GT((int) count, 0) << "Failed to get current directory: " << GetLastError();
+ EXPECT_LT((size_t) count, size) << "Buffer too small for current directory: " << size;
+}
+
+#define WITH_ABS_PATH(path) \
+ wchar_t abs_path[JVM_MAXPATHLEN]; \
+ wchar_t cwd[JVM_MAXPATHLEN]; \
+ get_current_dir_w(cwd, JVM_MAXPATHLEN); \
+ wsprintfW(abs_path, L"\\\\?\\%ls\\%ls", cwd, (path))
+
+static bool file_exists_w(const wchar_t* path) {
+ WIN32_FILE_ATTRIBUTE_DATA file_data;
+ return ::GetFileAttributesExW(path, GetFileExInfoStandard, &file_data);
+}
+
+static void create_rel_directory_w(const wchar_t* path) {
+ WITH_ABS_PATH(path);
+ EXPECT_FALSE(file_exists_w(abs_path)) << "Can't create directory: \"" << path << "\" already exists";
+ BOOL result = CreateDirectoryW(abs_path, NULL);
+ EXPECT_TRUE(result) << "Failed to create directory \"" << path << "\" " << GetLastError();
+}
+
+static void delete_empty_rel_directory_w(const wchar_t* path) {
+ WITH_ABS_PATH(path);
+ EXPECT_TRUE(file_exists_w(abs_path)) << "Can't delete directory: \"" << path << "\" does not exists";
+ BOOL result = RemoveDirectoryW(abs_path);
+ EXPECT_TRUE(result) << "Failed to delete directory \"" << path << "\": " << GetLastError();
+}
+
+static void create_rel_file_w(const wchar_t* path) {
+ WITH_ABS_PATH(path);
+ EXPECT_FALSE(file_exists_w(abs_path)) << "Can't create file: \"" << path << "\" already exists";
+ HANDLE h = CreateFileW(abs_path, 0, 0, NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL);
+ EXPECT_NE(h, INVALID_HANDLE_VALUE) << "Failed to create file \"" << path << "\": " << GetLastError();
+ CloseHandle(h);
+}
+
+static void delete_rel_file_w(const wchar_t* path) {
+ WITH_ABS_PATH(path);
+ EXPECT_TRUE(file_exists_w(abs_path)) << "Can't delete file: \"" << path << "\" does not exists";
+ BOOL result = DeleteFileW(abs_path);
+ EXPECT_TRUE(result) << "Failed to delete file \"" << path << "\": " << GetLastError();
+}
+
+static bool convert_to_cstring(char* c_str, size_t size, wchar_t* w_str) {
+ size_t converted;
+ errno_t err = wcstombs_s(&converted, c_str, size, w_str, size - 1);
+ EXPECT_EQ(err, ERROR_SUCCESS) << "Could not convert \"" << w_str << "\" to c-string";
+
+ return err == ERROR_SUCCESS;
+}
+
+static const wchar_t* sep_replacements[] = {
+ L"\\", L"\\/", L"/", L"//", L"\\\\/\\", L"//\\/"
+};
+
+static wchar_t* my_wcscpy_s(wchar_t* dest, size_t size, wchar_t* start, const wchar_t* to_copy) {
+ size_t already_used = dest - start;
+ size_t len = wcslen(to_copy);
+
+ if (already_used + len < size) {
+ wcscpy_s(dest, size - already_used, to_copy);
+ }
+
+ return dest + wcslen(to_copy);
+}
+
+static bool unnormalize_path(wchar_t* result, size_t size, bool is_dir, const wchar_t* path) {
+ wchar_t* dest = result;
+ const wchar_t* src = path;
+ const wchar_t* path_start;
+
+ if (wcsncmp(src, L"\\\\?\\UNC\\", 8) == 0) {
+ path_start = src + 8;
+ } else if (wcsncmp(src, L"\\\\?\\", 4) == 0) {
+ if (src[5] == L':') {
+ path_start = src + 6;
+ } else {
+ path_start = wcschr(src + 4, L'\\');
+ }
+ } else if (wcsncmp(src, L"\\\\", 2) == 0) {
+ path_start = wcschr(src + 2, L'?');
+
+ if (path_start == NULL) {
+ path_start = wcschr(src + 2, L'\\');
+ } else {
+ path_start = wcschr(path_start, L'\\');
+ }
+ } else {
+ path_start = wcschr(src + 1, L'\\');
+ }
+
+ bool allow_sep_change = (mods_filter & Allow_Sep_Mods) && (os::random() & 1) == 0;
+ bool allow_dot_change = (mods_filter & Allow_Dot_Path) && (os::random() & 1) == 0;
+ bool allow_dotdot_change = (mods_filter & Allow_Dot_Dot_Path) && (os::random() & 1) == 0;
+
+ while ((*src != L'\0') && (result + size > dest)) {
+ wchar_t c = *src;
+ *dest = c;
+ ++src;
+ ++dest;
+
+ if (c == L'\\') {
+ if (allow_sep_change && (os::random() & 3) == 3) {
+ int i = os::random() % (sizeof(sep_replacements) / sizeof(sep_replacements[0]));
+
+ if (i >= 0) {
+ const wchar_t* replacement = sep_replacements[i];
+ dest = my_wcscpy_s(dest - 1, size, result, replacement);
+ }
+ } else if (path_start != NULL) {
+ if (allow_dotdot_change && (src > path_start + 1) && ((os::random() & 7) == 7)) {
+ wchar_t const* last_sep = src - 2;
+
+ while (last_sep[0] != L'\\') {
+ --last_sep;
+ }
+
+ if (last_sep > path_start) {
+ dest = my_wcscpy_s(dest, size, result, L"../");
+ src = last_sep + 1;
+ }
+ } else if (allow_dot_change && (src > path_start + 1) && ((os::random() & 7) == 7)) {
+ dest = my_wcscpy_s(dest, size, result, L"./");
+ }
+ }
+ }
+ }
+
+ while (is_dir && ((os::random() & 15) == 1)) {
+ dest = my_wcscpy_s(dest, size, result, L"/");
+ }
+
+ if (result + size > dest) {
+ *dest = L'\0';
+ }
+
+ // Use this modification only if not too close to the max size.
+ return result + size - 10 > dest;
+}
+
+static void check_dir_impl(wchar_t* path, bool should_be_empty) {
+ char buf[JVM_MAXPATHLEN];
+
+ if (convert_to_cstring(buf, JVM_MAXPATHLEN, path)) {
+ struct stat st;
+ EXPECT_EQ(os::stat(buf, &st), 0) << "os::stat failed for \"" << path << "\"";
+ EXPECT_EQ(st.st_mode & S_IFMT, S_IFDIR) << "\"" << path << "\" is not a directory according to os::stat";
+ errno = ERROR_SUCCESS;
+ bool is_empty = os::dir_is_empty(buf);
+ errno_t err = errno;
+ EXPECT_EQ(is_empty, should_be_empty) << "os::dir_is_empty assumed \"" << path << "\" is "
+ << (should_be_empty ? "not ": "") << "empty";
+ EXPECT_EQ(err, ERROR_SUCCESS) << "os::dir_is_empty failed for \"" << path << "\"with errno " << err;
+ }
+}
+
+static void check_file_impl(wchar_t* path) {
+ char buf[JVM_MAXPATHLEN];
+
+ if (convert_to_cstring(buf, JVM_MAXPATHLEN, path)) {
+ struct stat st;
+ EXPECT_EQ(os::stat(buf, &st), 0) << "os::stat failed for \"" << path << "\"";
+ EXPECT_EQ(st.st_mode & S_IFMT, S_IFREG) << "\"" << path << "\" is not a regular file according to os::stat";
+ int fd = os::open(buf, O_RDONLY, 0);
+ EXPECT_NE(fd, -1) << "os::open failed for \"" << path << "\" with errno " << errno;
+ if (fd >= 0) {
+ ::close(fd);
+ }
+ }
+}
+
+static void check_file_not_present_impl(wchar_t* path) {
+ char buf[JVM_MAXPATHLEN];
+
+ if (convert_to_cstring(buf, JVM_MAXPATHLEN, path)) {
+ struct stat st;
+ int stat_ret;
+ EXPECT_EQ(stat_ret = os::stat(buf, &st), -1) << "os::stat did not fail for \"" << path << "\"";
+ if (stat_ret != -1) {
+ // Only check open if stat not already failed.
+ int fd = os::open(buf, O_RDONLY, 0);
+ EXPECT_EQ(fd, -1) << "os::open did not fail for \"" << path << "\"";
+ if (fd >= 0) {
+ ::close(fd);
+ }
+ }
+ }
+}
+
+static void check_dir(wchar_t* path, bool should_be_empty) {
+ check_dir_impl(path, should_be_empty);
+
+ for (int i = 0; mods_filter != Allow_None && i < mods_per_path; ++i) {
+ wchar_t tmp[JVM_MAXPATHLEN];
+ if (unnormalize_path(tmp, JVM_MAXPATHLEN, true, path)) {
+ check_dir_impl(tmp, should_be_empty);
+ }
+ }
+}
+
+static void check_file(wchar_t* path) {
+ check_file_impl(path);
+
+ for (int i = 0; mods_filter != Allow_None && i < mods_per_path; ++i) {
+ wchar_t tmp[JVM_MAXPATHLEN];
+ if (unnormalize_path(tmp, JVM_MAXPATHLEN, false, path)) {
+ check_file_impl(tmp);
+ }
+ }
+}
+
+static void check_file_not_present(wchar_t* path) {
+ check_file_not_present_impl(path);
+
+ for (int i = 0; mods_filter != Allow_None && i < mods_per_path; ++i) {
+ wchar_t tmp[JVM_MAXPATHLEN];
+ if (unnormalize_path(tmp, JVM_MAXPATHLEN, false, path)) {
+ check_file_not_present_impl(tmp);
+ }
+ }
+}
+
+static void record_path(char const* name, char const* len_name, wchar_t* path) {
+ char buf[JVM_MAXPATHLEN];
+
+ if (convert_to_cstring(buf, JVM_MAXPATHLEN, path)) {
+ ::testing::Test::RecordProperty(name, buf);
+ snprintf(buf, JVM_MAXPATHLEN, "%d", (int) wcslen(path));
+ ::testing::Test::RecordProperty(len_name, buf);
+ }
+}
+
+static void bench_path(wchar_t* path) {
+ char buf[JVM_MAXPATHLEN];
+ int reps = 100000;
+
+ if (convert_to_cstring(buf, JVM_MAXPATHLEN, path)) {
+ jlong wtime[2];
+
+ for (int t = 0; t < 2; ++t) {
+ wtime[t] = os::javaTimeNanos();
+
+ for (int i = 0; i < reps; ++i) {
+ bool succ = false;
+ size_t buf_len = strlen(buf);
+ wchar_t* w_path = (wchar_t*) os::malloc(sizeof(wchar_t) * (buf_len + 1), mtInternal);
+
+ if (w_path != NULL) {
+ size_t converted_chars;
+ if (::mbstowcs_s(&converted_chars, w_path, buf_len + 1, buf, buf_len) == ERROR_SUCCESS) {
+ if (t == 1) {
+ wchar_t* tmp = (wchar_t*) os::malloc(sizeof(wchar_t) * JVM_MAXPATHLEN, mtInternal);
+
+ if (tmp) {
+ if (_wfullpath(tmp, w_path, JVM_MAXPATHLEN)) {
+ succ = true;
+ }
+
+ os::free(tmp);
+ }
+ if (!succ) {
+ printf("Failed fullpathing \"%s\"\n", buf);
+ return;
+ }
+ succ = false;
+ }
+ HANDLE h = ::CreateFileW(w_path, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
+
+ if (h != INVALID_HANDLE_VALUE) {
+ ::CloseHandle(h);
+ succ = true;
+ }
+ }
+ }
+
+ os::free(w_path);
+ if (!succ) {
+ printf("Failed getting W*attr. \"%s\"\n", buf);
+ return;
+ }
+ }
+
+ wtime[t] = os::javaTimeNanos() - wtime[t];
+ }
+
+ jlong ctime = os::javaTimeNanos();
+
+ for (int i = 0; i < reps; ++i) {
+ HANDLE h = ::CreateFileA(buf, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
+
+ if (h == INVALID_HANDLE_VALUE) {
+ return;
+ }
+
+ ::CloseHandle(h);
+ }
+
+ ctime = os::javaTimeNanos() - ctime;
+
+ printf("\"%s\" %f us for *A, %f us for *W, %f us for *W with fullpath\n", buf,
+ 0.001 * ctime / reps, 0.001 * wtime[0] / reps, 0.001 * wtime[1] / reps);
+ }
+}
+
+static void print_attr_result_for_path(wchar_t* path) {
+ WIN32_FILE_ATTRIBUTE_DATA file_data;
+ struct stat st;
+ char buf[JVM_MAXPATHLEN];
+ wchar_t abs[JVM_MAXPATHLEN];
+
+ _wfullpath(abs, path, JVM_MAXPATHLEN);
+ printf("Checking \"%ls\" (%d chars):\n", path, (int) wcslen(path));
+ printf("_wfullpath %ls (%d chars)\n", abs, (int) wcslen(abs));
+ BOOL bret = ::GetFileAttributesExW(path, GetFileExInfoStandard, &file_data);
+ printf("GetFileAttributesExW() %s\n", bret ? "success" : "failed");
+
+ if (convert_to_cstring(buf, JVM_MAXPATHLEN, path)) {
+ bret = ::GetFileAttributesExA(buf, GetFileExInfoStandard, &file_data);
+ printf("GetFileAttributesExA() %s\n", bret ? "success" : "failed");
+
+ bool succ = os::stat(buf, &st) != -1;
+ printf("os::stat() %s\n", succ ? "success" : "failed");
+ }
+}
+
+static void print_attr_result(wchar_t* format, ...) {
+ va_list argptr;
+ wchar_t buf[JVM_MAXPATHLEN];
+
+ va_start(argptr, format);
+ wvsprintfW(buf, format, argptr);
+ print_attr_result_for_path(buf);
+ va_end(argptr);
+}
+
+#define RECORD_PATH(name) record_path(#name, #name "Len", name)
+#define NAME_PART_50 L"01234567890123456789012345678901234567890123456789"
+#define NAME_PART_250 NAME_PART_50 NAME_PART_50 NAME_PART_50 NAME_PART_50 NAME_PART_50
+
+TEST_VM(os_windows, handle_long_paths) {
+ static wchar_t cwd[JVM_MAXPATHLEN];
+ static wchar_t nearly_long_rel_path[JVM_MAXPATHLEN];
+ static wchar_t long_rel_path[JVM_MAXPATHLEN];
+ static wchar_t empty_dir_rel_path[JVM_MAXPATHLEN];
+ static wchar_t not_empty_dir_rel_path[JVM_MAXPATHLEN];
+ static wchar_t file_rel_path[JVM_MAXPATHLEN];
+ static wchar_t nearly_long_file_rel_path[JVM_MAXPATHLEN];
+ static wchar_t nearly_long_path[JVM_MAXPATHLEN];
+ static wchar_t empty_dir_path[JVM_MAXPATHLEN];
+ static wchar_t not_empty_dir_path[JVM_MAXPATHLEN];
+ static wchar_t nearly_long_file_path[JVM_MAXPATHLEN];
+ static wchar_t file_path[JVM_MAXPATHLEN];
+ static wchar_t nearly_long_unc_path[JVM_MAXPATHLEN];
+ static wchar_t empty_dir_unc_path[JVM_MAXPATHLEN];
+ static wchar_t not_empty_dir_unc_path[JVM_MAXPATHLEN];
+ static wchar_t nearly_long_file_unc_path[JVM_MAXPATHLEN];
+ static wchar_t file_unc_path[JVM_MAXPATHLEN];
+ static wchar_t root_dir_path[JVM_MAXPATHLEN];
+ static wchar_t root_rel_dir_path[JVM_MAXPATHLEN];
+
+ wchar_t* dir_prefix = L"os_windows_long_paths_dir_";
+ wchar_t* empty_dir_name = L"empty_directory_with_long_path";
+ wchar_t* not_empty_dir_name = L"not_empty_directory_with_long_path";
+ wchar_t* file_name = L"file";
+ wchar_t dir_letter;
+ WIN32_FILE_ATTRIBUTE_DATA file_data;
+ bool can_test_unc = false;
+
+ get_current_dir_w(cwd, sizeof(cwd) / sizeof(wchar_t));
+ dir_letter = (cwd[1] == L':' ? cwd[0] : L'\0');
+ int cwd_len = (int) wcslen(cwd);
+ int dir_prefix_len = (int) wcslen(dir_prefix);
+ int rel_path_len = MAX2(dir_prefix_len, 235 - cwd_len);
+
+ memcpy(nearly_long_rel_path, dir_prefix, sizeof(wchar_t) * dir_prefix_len);
+
+ for (int i = dir_prefix_len; i < rel_path_len; ++i) {
+ nearly_long_rel_path[i] = L'L';
+ }
+
+ nearly_long_rel_path[rel_path_len] = L'\0';
+
+ wsprintfW(long_rel_path, L"%ls\\%ls", nearly_long_rel_path, NAME_PART_250);
+ wsprintfW(empty_dir_rel_path, L"%ls\\%ls", nearly_long_rel_path, empty_dir_name);
+ wsprintfW(not_empty_dir_rel_path, L"%ls\\%ls", nearly_long_rel_path, not_empty_dir_name);
+ wsprintfW(nearly_long_file_rel_path, L"%ls\\%ls", nearly_long_rel_path, file_name);
+ wsprintfW(file_rel_path, L"%ls\\%ls\\%ls", nearly_long_rel_path, not_empty_dir_name, file_name);
+ wsprintfW(nearly_long_path, L"\\\\?\\%ls\\%ls", cwd, nearly_long_rel_path);
+ wsprintfW(empty_dir_path, L"%ls\\%ls", nearly_long_path, empty_dir_name);
+ wsprintfW(not_empty_dir_path, L"%ls\\%ls", nearly_long_path, not_empty_dir_name);
+ wsprintfW(nearly_long_file_path, L"%ls\\%ls", nearly_long_path, file_name);
+ wsprintfW(file_path, L"%ls\\%ls\\%ls", nearly_long_path, not_empty_dir_name, file_name);
+ wsprintfW(nearly_long_unc_path, L"\\\\localhost\\%lc$\\%s", dir_letter, nearly_long_path + 7);
+ wsprintfW(empty_dir_unc_path, L"%s\\%s", nearly_long_unc_path, empty_dir_name);
+ wsprintfW(not_empty_dir_unc_path, L"%s\\%s", nearly_long_unc_path, not_empty_dir_name);
+ wsprintfW(nearly_long_file_unc_path, L"%ls\\%ls", nearly_long_unc_path, file_name);
+ wsprintfW(file_unc_path, L"%s\\%s\\%s", nearly_long_unc_path, not_empty_dir_name, file_name);
+ wsprintfW(root_dir_path, L"%lc:\\", dir_letter);
+ wsprintfW(root_rel_dir_path, L"%lc:", dir_letter);
+
+ RECORD_PATH(long_rel_path);
+ RECORD_PATH(nearly_long_rel_path);
+ RECORD_PATH(nearly_long_path);
+ RECORD_PATH(nearly_long_unc_path);
+ RECORD_PATH(empty_dir_rel_path);
+ RECORD_PATH(empty_dir_path);
+ RECORD_PATH(empty_dir_unc_path);
+ RECORD_PATH(not_empty_dir_rel_path);
+ RECORD_PATH(not_empty_dir_path);
+ RECORD_PATH(not_empty_dir_unc_path);
+ RECORD_PATH(nearly_long_file_rel_path);
+ RECORD_PATH(nearly_long_file_path);
+ RECORD_PATH(nearly_long_file_unc_path);
+ RECORD_PATH(file_rel_path);
+ RECORD_PATH(file_path);
+ RECORD_PATH(file_unc_path);
+
+ create_rel_directory_w(nearly_long_rel_path);
+ create_rel_directory_w(long_rel_path);
+ create_rel_directory_w(empty_dir_rel_path);
+ create_rel_directory_w(not_empty_dir_rel_path);
+ create_rel_file_w(nearly_long_file_rel_path);
+ create_rel_file_w(file_rel_path);
+
+ // For UNC path test we assume that the current DRIVE has a share
+ // called "<DRIVELETTER>$" (so for D: we expect \\localhost\D$ to be
+ // the same). Since this is only an assumption, we have to skip
+ // the UNC tests if the share is missing.
+ if (dir_letter && !::GetFileAttributesExW(nearly_long_unc_path, GetFileExInfoStandard, &file_data)) {
+ printf("Disabled UNC path test, since %lc: is not mapped as share %lc$.\n", dir_letter, dir_letter);
+ } else {
+ can_test_unc = true;
+ }
+
+ if (mode == BENCH) {
+ bench_path(nearly_long_path + 4);
+ bench_path(nearly_long_rel_path);
+ bench_path(nearly_long_file_path + 4);
+ bench_path(nearly_long_file_rel_path);
+ } else if (mode == EXAMPLES) {
+ printf("Working directory: %ls", cwd);
+
+ if (dir_letter) {
+ static wchar_t top_buf[JVM_MAXPATHLEN];
+ wchar_t* top_path = wcschr(cwd + 3, L'\\');
+
+ if (top_path) {
+ size_t top_len = (top_path - cwd) - 3;
+
+ memcpy(top_buf, cwd + 3, top_len * 2);
+ top_buf[top_len] = L'\0';
+ top_path = top_buf;
+ }
+
+ print_attr_result(L"%lc:\\", dir_letter);
+ print_attr_result(L"%lc:\\.\\", dir_letter);
+
+ if (top_path) {
+ print_attr_result(L"%lc:\\%ls\\..\\%ls\\", dir_letter, top_path, top_path);
+ }
+
+ print_attr_result(L"%lc:", dir_letter);
+ print_attr_result(L"%lc:.", dir_letter);
+ print_attr_result(L"%lc:\\COM1", dir_letter);
+ print_attr_result(L"%lc:\\PRN", dir_letter);
+ print_attr_result(L"%lc:\\PRN\\COM1", dir_letter);
+ print_attr_result(L"\\\\?\\UNC\\localhost\\%lc$\\", dir_letter);
+ print_attr_result(L"\\\\?\\UNC\\\\localhost\\%lc$\\", dir_letter);
+ print_attr_result(nearly_long_unc_path);
+ print_attr_result(L"%ls\\.\\", nearly_long_unc_path);
+ print_attr_result(L"%ls\\..\\%ls", nearly_long_unc_path, nearly_long_rel_path);
+ print_attr_result(L"\\\\?\\UNC\\%ls", nearly_long_unc_path + 2);
+ print_attr_result(file_unc_path);
+ print_attr_result(L"%ls\\%ls\\..\\%ls\\%ls", nearly_long_unc_path, not_empty_dir_name, not_empty_dir_name, file_name);
+ print_attr_result(L"%ls\\%ls\\.\\%ls", nearly_long_unc_path, not_empty_dir_name, file_name);
+ print_attr_result(L"\\\\?\\UNC\\%ls", file_unc_path + 2);
+ print_attr_result(L"\\\\?\\UNC\\%ls\\%ls\\.\\%ls", nearly_long_unc_path + 2, not_empty_dir_name, file_name);
+ print_attr_result(L"\\\\?\\UNC\\%ls\\%ls\\..\\%ls\\%ls", nearly_long_unc_path + 2, not_empty_dir_name, not_empty_dir_name, file_name);
+ }
+
+ print_attr_result(nearly_long_rel_path);
+ print_attr_result(L"%ls\\.\\", nearly_long_rel_path);
+ print_attr_result(L"%ls\\..\\%ls", nearly_long_rel_path, nearly_long_rel_path);
+ print_attr_result(L"%\\\\?\\%ls", nearly_long_rel_path);
+ print_attr_result(L"\\\\?\\%ls\\.\\", nearly_long_rel_path);
+ print_attr_result(L"\\\\?\\%ls\\..\\%ls", nearly_long_rel_path, nearly_long_rel_path);
+
+ print_attr_result(nearly_long_path + 4);
+ print_attr_result(L"%ls\\.\\", nearly_long_path + 4);
+ print_attr_result(L"%ls\\..\\%ls", nearly_long_path + 4, nearly_long_rel_path);
+ print_attr_result(nearly_long_path);
+ print_attr_result(L"%ls\\.\\", nearly_long_path);
+ print_attr_result(L"%ls\\..\\%ls", nearly_long_path, nearly_long_rel_path);
+ } else {
+ // Check relative paths
+ check_dir(nearly_long_rel_path, false);
+ check_dir(long_rel_path, true);
+ check_dir(empty_dir_rel_path, true);
+ check_dir(not_empty_dir_rel_path, false);
+ check_file(nearly_long_file_rel_path);
+ check_file(file_rel_path);
+
+ // Check absolute paths
+ if (dir_letter) {
+ check_dir(root_dir_path, false);
+ check_dir(root_rel_dir_path, false);
+ }
+
+ check_dir(cwd, false);
+ check_dir(nearly_long_path + 4, false);
+ check_dir(empty_dir_path + 4, true);
+ check_dir(not_empty_dir_path + 4, false);
+ check_file(nearly_long_file_path + 4);
+ check_file(file_path + 4);
+
+ // Check UNC paths
+ if (can_test_unc) {
+ check_dir(nearly_long_unc_path, false);
+ check_dir(empty_dir_unc_path, true);
+ check_dir(not_empty_dir_unc_path, false);
+ check_file(nearly_long_file_unc_path);
+ check_file(file_unc_path);
+ }
+
+ // Check handling of <DRIVE>:/../<OTHER_DRIVE>:/path/...
+ // The other drive letter should not overwrite the original one.
+ if (dir_letter) {
+ static wchar_t tmp[JVM_MAXPATHLEN];
+ wchar_t* other_letter = dir_letter == L'D' ? L"C" : L"D";
+ wsprintfW(tmp, L"%2ls\\..\\%ls:%ls", nearly_long_file_path, other_letter, nearly_long_file_path + 2);
+ check_file_not_present(tmp);
+ wsprintfW(tmp, L"%2ls\\..\\%ls:%ls", file_path, other_letter, file_path + 2);
+ check_file_not_present(tmp);
+ }
+ }
+
+ delete_rel_file_w(file_rel_path);
+ delete_rel_file_w(nearly_long_file_rel_path);
+ delete_empty_rel_directory_w(not_empty_dir_rel_path);
+ delete_empty_rel_directory_w(empty_dir_rel_path);
+ delete_empty_rel_directory_w(long_rel_path);
+ delete_empty_rel_directory_w(nearly_long_rel_path);
+}
+
#endif
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