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// Copyright (c) 2006-2008 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/registry.h"
#include "base/scoped_ptr.h"
#include "base/string_util.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"
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));
}
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));
}
};
};
// 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));
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()));
std::wstring name_dword(L"name_dword");
DWORD data_dword = 100;
ASSERT_TRUE(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(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));
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()));
}
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