chromium/device/gamepad/hid_haptic_gamepad_unittest.cc

// 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 "device/gamepad/hid_haptic_gamepad.h"

#include <memory>

#include "base/functional/bind.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/task_environment.h"
#include "device/gamepad/hid_writer.h"
#include "device/gamepad/public/mojom/gamepad.mojom.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace device {

namespace {

// Describes a hypothetical HID haptic gamepad with two 16-bit vibration
// magnitude fields.
constexpr uint8_t kReportId = …;
constexpr size_t kReportLength = …;
constexpr HidHapticGamepad::HapticReportData kHapticReportData = …;

// The expected "stop vibration" report bytes (zero vibration).
constexpr uint8_t kStopVibrationData[] = …;
// The expected "start vibration" report bytes for an effect with 100% intensity
// on the "strong" vibration channel and 50% intensity on the "weak" vibration
// channel.
constexpr uint8_t kStartVibrationData[] = …;

// Use 1 ms for all non-zero effect durations. There is no reason to test longer
// delays as they will be skipped anyway.
constexpr double kDurationMillis = …;
constexpr double kNonZeroStartDelayMillis = …;
// Setting |start_delay| to zero can cause additional reports to be sent.
constexpr double kZeroStartDelayMillis = …;
// Vibration magnitudes for the strong and weak channels of a typical
// dual-rumble vibration effect. kStartVibrationData describes a report with
// these magnitudes.
constexpr double kStrongMagnitude = …;  // 100% intensity
constexpr double kWeakMagnitude = …;    // 50% intensity
// Zero vibration magnitude. kStopVibrationData describes a report with zero
// vibration on both channels.
constexpr double kZeroMagnitude = …;

constexpr base::TimeDelta kPendingTaskDuration = …;

class FakeHidWriter : public HidWriter { … };

// Main test fixture
class HidHapticGamepadTest : public testing::Test { … };

TEST_F(HidHapticGamepadTest, PlayEffectTest) { … }

TEST_F(HidHapticGamepadTest, ResetVibrationTest) { … }

TEST_F(HidHapticGamepadTest, ZeroVibrationTest) { … }

TEST_F(HidHapticGamepadTest, StartDelayTest) { … }

TEST_F(HidHapticGamepadTest, ZeroStartDelayPreemptionTest) { … }

TEST_F(HidHapticGamepadTest, NonZeroStartDelayPreemptionTest) { … }

TEST_F(HidHapticGamepadTest, ResetVibrationPreemptionTest) { … }

}  // namespace

}  // namespace device