Replace NT prefix in sandbox rules match string to handle correct wildcard escaping

sandbox/win/src/file_policy_test.cc

 // Copyright (c) 2011 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 <algorithm>
 #include <cctype>
 
 #include <windows.h>
 #include <winioctl.h>
 
 #include "base/win/scoped_handle.h"
+#include "sandbox/win/src/filesystem_policy.h"
 #include "sandbox/win/src/nt_internals.h"
 #include "sandbox/win/src/sandbox.h"
 #include "sandbox/win/src/sandbox_factory.h"
 #include "sandbox/win/src/sandbox_policy.h"
 #include "sandbox/win/src/win_utils.h"
 #include "sandbox/win/tests/common/controller.h"
 #include "sandbox/win/tests/common/test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #define BINDNTDLL(name) \
@@ skipping 567 matching lines @@
                      NULL);
   EXPECT_TRUE(INVALID_HANDLE_VALUE != dir);
   EXPECT_TRUE(DeleteReparsePoint(dir));
   EXPECT_TRUE(::CloseHandle(dir));
 
   // Cleanup.
   EXPECT_TRUE(::DeleteFile(temp_file_in_temp.c_str()));
   EXPECT_TRUE(::RemoveDirectory(subfolder.c_str()));
 }
 
+TEST(FilePolicyTest, CheckExistingNTPrefixEscape) {
+  base::string16 name = L"\\??\\NAME";
+
+  base::string16 result = FixNTPrefixForMatch(name);
+
+  EXPECT_STREQ(result.c_str(), L"\\/?/?\\NAME");
+}
+
+TEST(FilePolicyTest, CheckEscapedNTPrefixNoEscape) {
+  base::string16 name = L"\\/?/?\\NAME";
+
+  base::string16 result = FixNTPrefixForMatch(name);
+
+  EXPECT_STREQ(result.c_str(), name.c_str());
+}
+
+TEST(FilePolicyTest, CheckMissingNTPrefixEscape) {
+  base::string16 name = L"C:\\NAME";
+
+  base::string16 result = FixNTPrefixForMatch(name);
+
+  EXPECT_STREQ(result.c_str(), L"\\/?/?\\C:\\NAME");
+}
+
 }  // namespace sandbox