Regkey functions return error code instead of bool

chrome/installer/util/delete_reg_value_work_item_unittest.cc

 // 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 <windows.h>
 
 #include "base/file_util.h"
 #include "base/scoped_ptr.h"
 #include "base/string_util.h"
 #include "base/win/registry.h"
 #include "chrome/installer/util/delete_reg_value_work_item.h"
 #include "chrome/installer/util/work_item.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::win::RegKey;
 
 namespace {
 
 wchar_t test_root[] = L"DeleteRegValueWorkItemTest";
 
 class DeleteRegValueWorkItemTest : public testing::Test {
  protected:
   virtual void SetUp() {
     // Create a temporary key for testing
     RegKey key(HKEY_CURRENT_USER, L"", KEY_ALL_ACCESS);
     key.DeleteKey(test_root);
-    ASSERT_FALSE(key.Open(HKEY_CURRENT_USER, test_root, KEY_READ));
-    ASSERT_TRUE(key.Create(HKEY_CURRENT_USER, test_root, KEY_READ));
+    ASSERT_NE(ERROR_SUCCESS, key.Open(HKEY_CURRENT_USER, test_root, KEY_READ));
+    ASSERT_EQ(ERROR_SUCCESS,
+        key.Create(HKEY_CURRENT_USER, test_root, KEY_READ));
   }
   virtual void TearDown() {
     logging::CloseLogFile();
     // Clean up the temporary key
     RegKey key(HKEY_CURRENT_USER, L"", KEY_ALL_ACCESS);
-    ASSERT_TRUE(key.DeleteKey(test_root));
+    ASSERT_EQ(ERROR_SUCCESS, key.DeleteKey(test_root));
   }
 };
 
 }  // namespace
 
 // Delete a value. The value should get deleted after Do() and should be
 // recreated after Rollback().
 TEST_F(DeleteRegValueWorkItemTest, DeleteExistingValue) {
   RegKey key;
   std::wstring parent_key(test_root);
   file_util::AppendToPath(&parent_key, L"WriteNew");
-  ASSERT_TRUE(key.Create(HKEY_CURRENT_USER, parent_key.c_str(),
-                         KEY_READ | KEY_WRITE));
+  ASSERT_EQ(ERROR_SUCCESS,
+      key.Create(HKEY_CURRENT_USER, parent_key.c_str(), KEY_READ | KEY_WRITE));
   std::wstring name_str(L"name_str");
   std::wstring data_str(L"data_111");
-  ASSERT_TRUE(key.WriteValue(name_str.c_str(), data_str.c_str()));
+  ASSERT_EQ(ERROR_SUCCESS, key.WriteValue(name_str.c_str(), data_str.c_str()));
   std::wstring name_dword(L"name_dword");
   DWORD data_dword = 100;
-  ASSERT_TRUE(key.WriteValue(name_dword.c_str(), data_dword));
+  ASSERT_EQ(ERROR_SUCCESS, key.WriteValue(name_dword.c_str(), data_dword));
 
   scoped_ptr<DeleteRegValueWorkItem> work_item1(
       WorkItem::CreateDeleteRegValueWorkItem(HKEY_CURRENT_USER, parent_key,
                                              name_str, true));
   scoped_ptr<DeleteRegValueWorkItem> work_item2(
       WorkItem::CreateDeleteRegValueWorkItem(HKEY_CURRENT_USER, parent_key,
                                              name_dword, false));
 
   EXPECT_TRUE(work_item1->Do());
   EXPECT_TRUE(work_item2->Do());
 
   EXPECT_FALSE(key.ValueExists(name_str.c_str()));
   EXPECT_FALSE(key.ValueExists(name_dword.c_str()));
 
   work_item1->Rollback();
   work_item2->Rollback();
 
   std::wstring read_str;
   DWORD read_dword;
-  EXPECT_TRUE(key.ReadValue(name_str.c_str(), &read_str));
-  EXPECT_TRUE(key.ReadValueDW(name_dword.c_str(), &read_dword));
+  EXPECT_EQ(ERROR_SUCCESS, key.ReadValue(name_str.c_str(), &read_str));
+  EXPECT_EQ(ERROR_SUCCESS, key.ReadValueDW(name_dword.c_str(), &read_dword));
   EXPECT_EQ(read_str, data_str);
   EXPECT_EQ(read_dword, data_dword);
 }
 
 // Try deleting a value that doesn't exist.
 TEST_F(DeleteRegValueWorkItemTest, DeleteNonExistentValue) {
   RegKey key;
   std::wstring parent_key(test_root);
   file_util::AppendToPath(&parent_key, L"WriteNew");
-  ASSERT_TRUE(key.Create(HKEY_CURRENT_USER, parent_key.c_str(),
-                         KEY_READ | KEY_WRITE));
+  ASSERT_EQ(ERROR_SUCCESS,
+      key.Create(HKEY_CURRENT_USER, parent_key.c_str(), KEY_READ | KEY_WRITE));
   std::wstring name_str(L"name_str");
   std::wstring name_dword(L"name_dword");
   EXPECT_FALSE(key.ValueExists(name_str.c_str()));
   EXPECT_FALSE(key.ValueExists(name_dword.c_str()));
 
   scoped_ptr<DeleteRegValueWorkItem> work_item1(
       WorkItem::CreateDeleteRegValueWorkItem(HKEY_CURRENT_USER, parent_key,
                                              name_str, true));
   scoped_ptr<DeleteRegValueWorkItem> work_item2(
       WorkItem::CreateDeleteRegValueWorkItem(HKEY_CURRENT_USER, parent_key,
                                              name_dword, false));
 
   EXPECT_TRUE(work_item1->Do());
   EXPECT_TRUE(work_item2->Do());
 
   EXPECT_FALSE(key.ValueExists(name_str.c_str()));
   EXPECT_FALSE(key.ValueExists(name_dword.c_str()));
 
   work_item1->Rollback();
   work_item2->Rollback();
 
   EXPECT_FALSE(key.ValueExists(name_str.c_str()));
   EXPECT_FALSE(key.ValueExists(name_dword.c_str()));
 }