chromium/base/files/important_file_writer_cleaner_unittest.cc

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/files/important_file_writer_cleaner.h"

#include <optional>

#include "base/check.h"
#include "base/files/file.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/task/thread_pool.h"
#include "base/test/bind.h"
#include "base/test/task_environment.h"
#include "base/test/test_waitable_event.h"
#include "base/time/time.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

ElementsAre;

namespace base {

class ImportantFileWriterCleanerTest : public ::testing::Test { … };

void ImportantFileWriterCleanerTest::SetUp() { … }

void ImportantFileWriterCleanerTest::TearDown() { … }

// Tests that adding a directory without initializing the cleaner does nothing.
TEST_F(ImportantFileWriterCleanerTest, NotInitializedNoOpAdd) { … }

// Tests that adding a directory without starting the cleaner does nothing.
TEST_F(ImportantFileWriterCleanerTest, NotStartedNoOpAdd) { … }

// Tests that starting and stopping does no harm.
TEST_F(ImportantFileWriterCleanerTest, StartStop) { … }

// Tests that adding a directory then starting the cleaner works.
TEST_F(ImportantFileWriterCleanerTest, AddStart) { … }

// Tests that adding multiple directories before starting cleans both.
TEST_F(ImportantFileWriterCleanerTest, AddAddStart) { … }

// Tests that starting the cleaner then adding a directory works.
TEST_F(ImportantFileWriterCleanerTest, StartAdd) { … }

// Tests that starting the cleaner twice doesn't cause it to clean twice.
TEST_F(ImportantFileWriterCleanerTest, StartTwice) { … }

// Tests that adding a dir twice doesn't cause it to clean twice.
TEST_F(ImportantFileWriterCleanerTest, AddTwice) { … }

// Tests that AddDirectory called from another thread properly bounces back to
// the main thread for processing.
TEST_F(ImportantFileWriterCleanerTest, StartAddFromOtherThread) { … }

// Tests that adding a directory while a session is processing a previous
// directory works.
TEST_F(ImportantFileWriterCleanerTest, AddStartAdd) { … }

// Tests stopping while the background task is running.
TEST_F(ImportantFileWriterCleanerTest, StopWhileRunning) { … }

}  // namespace base