chromium/components/reporting/util/task_runner_context_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 "components/reporting/util/task_runner_context.h"

#include <functional>
#include <memory>
#include <vector>

#include "base/check.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_refptr.h"
#include "base/synchronization/waitable_event.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/thread_pool.h"
#include "base/test/bind.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "base/types/expected.h"
#include "components/reporting/util/status.h"
#include "components/reporting/util/statusor.h"
#include "components/reporting/util/test_support_callbacks.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

Eq;

namespace reporting {
namespace {

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

// This is the simplest test - runs one action only on a sequenced task runner.
TEST_F(TaskRunner, SingleAction) { … }

// This test runs a series of action on a sequenced task runner.
TEST_F(TaskRunner, SeriesOfActions) { … }

// This test runs the same series of actions injecting delays.
TEST_F(TaskRunner, SeriesOfDelays) { … }

// This test runs the same series of actions offsetting them to a random threads
// and then taking control back to the sequenced task runner.
TEST_F(TaskRunner, SeriesOfAsyncs) { … }

// This test calculates Fibonacci as a tree of recurrent actions on a sequenced
// task runner. Note that 2 actions are scheduled in parallel.
TEST_F(TaskRunner, TreeOfActions) { … }

// This test runs a series of actions returning non-primitive object as a result
// (Status).
TEST_F(TaskRunner, ActionsWithStatus) { … }

// This test runs a series of actions returning non-primitive non-copyable
// object as a result (StatusOr<std::unique_ptr<...>>).
TEST_F(TaskRunner, ActionsWithStatusOrPtr) { … }

}  // namespace
}  // namespace reporting