chromium/services/device/generic_sensor/relative_orientation_euler_angles_fusion_algorithm_using_accelerometer_unittest.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <cmath>

#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/numerics/math_constants.h"
#include "base/test/task_environment.h"
#include "services/device/generic_sensor/fake_platform_sensor_fusion.h"
#include "services/device/generic_sensor/relative_orientation_euler_angles_fusion_algorithm_using_accelerometer.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace device {

namespace {

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

}  // namespace

TEST_F(RelativeOrientationEulerAnglesFusionAlgorithmUsingAccelerometerTest,
       NoAccelerometerReading) { … }

// Tests a device resting flat.
TEST_F(RelativeOrientationEulerAnglesFusionAlgorithmUsingAccelerometerTest,
       NeutralOrientation) { … }

// Tests an upside-down device, such that the W3C boundary [-180, 180) causes
// the beta value to become negative.
TEST_F(RelativeOrientationEulerAnglesFusionAlgorithmUsingAccelerometerTest,
       UpsideDown) { … }

// Tests for positive beta value before the device is completely upside-down.
TEST_F(RelativeOrientationEulerAnglesFusionAlgorithmUsingAccelerometerTest,
       BeforeUpsideDownBoundary) { … }

// Tests a device lying on its top-edge.
TEST_F(RelativeOrientationEulerAnglesFusionAlgorithmUsingAccelerometerTest,
       TopEdge) { … }

// Tests before a device is completely on its top-edge.
TEST_F(RelativeOrientationEulerAnglesFusionAlgorithmUsingAccelerometerTest,
       BeforeTopEdgeBoundary) { … }

// Tests a device lying on its bottom-edge.
TEST_F(RelativeOrientationEulerAnglesFusionAlgorithmUsingAccelerometerTest,
       BottomEdge) { … }

// Tests before a device is completely on its bottom-edge.
TEST_F(RelativeOrientationEulerAnglesFusionAlgorithmUsingAccelerometerTest,
       BeforeBottomEdgeBoundary) { … }

// Tests a device lying on its left-edge.
TEST_F(RelativeOrientationEulerAnglesFusionAlgorithmUsingAccelerometerTest,
       LeftEdge) { … }

// Tests for negative gamma value before the device is completely on its left
// side.
TEST_F(RelativeOrientationEulerAnglesFusionAlgorithmUsingAccelerometerTest,
       BeforeLeftEdgeBoundary) { … }

// Tests a device lying on its right-edge, such that the W3C boundary [-90, 90)
// causes the gamma value to become negative.
TEST_F(RelativeOrientationEulerAnglesFusionAlgorithmUsingAccelerometerTest,
       RightEdge) { … }

// Tests for positive gamma value before the device is completely on its right
// side.
TEST_F(RelativeOrientationEulerAnglesFusionAlgorithmUsingAccelerometerTest,
       BeforeRightEdgeBoundary) { … }

}  // namespace device