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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/win/conflicts/registry_key_watcher.h"
#include "base/functional/callback.h"
#include "base/run_loop.h"
#include "base/test/task_environment.h"
#include "base/test/test_reg_util_win.h"
#include "testing/gtest/include/gtest/gtest.h"
class RegistryKeyWatcherTest : public testing::Test {
public:
RegistryKeyWatcherTest(const RegistryKeyWatcherTest&) = delete;
RegistryKeyWatcherTest& operator=(const RegistryKeyWatcherTest&) = delete;
protected:
RegistryKeyWatcherTest() = default;
~RegistryKeyWatcherTest() override = default;
void SetUp() override {
ASSERT_NO_FATAL_FAILURE(
registry_override_manager_.OverrideRegistry(HKEY_CURRENT_USER));
}
// Creates a registry key.
static bool CreateKey(HKEY root, const wchar_t* subkey) {
return base::win::RegKey(root, subkey, KEY_SET_VALUE).Valid();
}
// Deletes a registry key.
static bool DeleteKey(HKEY root, const wchar_t* subkey) {
base::win::RegKey registry_key(root);
return registry_key.Valid() &&
registry_key.DeleteKey(subkey) == ERROR_SUCCESS;
}
private:
base::test::TaskEnvironment task_environment_;
registry_util::RegistryOverrideManager registry_override_manager_;
};
TEST_F(RegistryKeyWatcherTest, InvalidKey) {
auto registry_key_watcher = RegistryKeyWatcher::Create(
HKEY_CURRENT_USER, L"Foo\\Bar", 0, base::OnceClosure());
EXPECT_FALSE(registry_key_watcher);
}
TEST_F(RegistryKeyWatcherTest, WatchKeyDeletion) {
static constexpr wchar_t kRegistryKeyPath[] = L"Foo\\Bar";
// Create an existing key to watch.
ASSERT_TRUE(CreateKey(HKEY_CURRENT_USER, kRegistryKeyPath));
base::RunLoop run_loop;
auto registry_key_watcher = RegistryKeyWatcher::Create(
HKEY_CURRENT_USER, kRegistryKeyPath, 0, run_loop.QuitClosure());
EXPECT_TRUE(registry_key_watcher);
// Deleting the key must invoke the quit closure of the RunLoop.
ASSERT_TRUE(DeleteKey(HKEY_CURRENT_USER, kRegistryKeyPath));
run_loop.Run();
}
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