Fix issue where OpenKey() would call Close() and reset the wow64_access to 0

base/win/registry_unittest.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 "base/win/registry.h"
 
 #include <cstring>
 #include <vector>
 
 #include "base/compiler_specific.h"
@@ skipping 259 matching lines @@
   ASSERT_NE(ERROR_SUCCESS, key.DeleteKey(kRootKey));
 
   // Open the redirected view and delete the key created above.
   ASSERT_EQ(ERROR_SUCCESS,
             key.Open(HKEY_LOCAL_MACHINE,
                      L"Software",
                      KEY_SET_VALUE | kRedirectedViewMask));
   ASSERT_EQ(ERROR_SUCCESS, key.DeleteKey(kRootKey));
 }
 
+// Test for the issue found in http://crbug.com/384587 where OpenKey would call
+// Close() and reset wow64_access_ flag to 0 and cause a NOTREACHED to hit on a
+// subsequent OpenKey call.
+TEST_F(RegistryTest, SameWowFlags) {
+  RegKey key;
+
+  ASSERT_EQ(ERROR_SUCCESS,
+            key.Open(HKEY_LOCAL_MACHINE,
+                     L"Software",
+                     KEY_READ | KEY_WOW64_64KEY));
+  ASSERT_EQ(ERROR_SUCCESS,
+            key.OpenKey(L"Microsoft",
+                        KEY_READ | KEY_WOW64_64KEY));
+  ASSERT_EQ(ERROR_SUCCESS,
+            key.OpenKey(L"Windows",
+                        KEY_READ | KEY_WOW64_64KEY));
+}
+
 // TODO(wfh): flaky test on Vista.  See http://crbug.com/377917
 TEST_F(RegistryTest, DISABLED_Wow64NativeFromRedirected) {
   if (!IsRedirectorPresent())
     return;
   RegKey key;
 
   // Test non-redirected key access from redirected.
   ASSERT_EQ(ERROR_SUCCESS,
             key.Create(HKEY_LOCAL_MACHINE,
                        foo_software_key_.c_str(),
@@ skipping 38 matching lines @@
             key.Open(HKEY_CURRENT_USER, foo_key.c_str(), KEY_READ));
 
   ASSERT_EQ(ERROR_SUCCESS, key.Open(HKEY_CURRENT_USER, kRootKey, KEY_WRITE));
   ASSERT_EQ(ERROR_SUCCESS, key.DeleteKey(L"foo"));
 }
 
 }  // namespace
 
 }  // namespace win
 }  // namespace base