Move //device/sensor impl to be part of the internal implemenation of the Device Service.

device/sensors/sensor_manager_chromeos_unittest.cc

-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "device/sensors/sensor_manager_chromeos.h"
-
-#include <memory>
-
-#include "base/macros.h"
-#include "chromeos/accelerometer/accelerometer_types.h"
-#include "device/sensors/public/cpp/device_motion_hardware_buffer.h"
-#include "device/sensors/public/cpp/device_orientation_hardware_buffer.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-const double kMeanGravity = -9.80665;
-
-// Isolated device::SensorManagerChromeOS from the active
-// chromeos::AccelerometerReader. This allows for direct control over which
-// accelerometer events are provided to the sensor manager.
-class TestSensorManagerChromeOS : public device::SensorManagerChromeOS {
- public:
-  TestSensorManagerChromeOS() {}
-  ~TestSensorManagerChromeOS() override {}
-
- protected:
-  void StartObservingAccelerometer() override {}
-  void StopObservingAccelerometer() override {}
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(TestSensorManagerChromeOS);
-};
-
-}  // namespace
-
-namespace device {
-
-class SensorManagerChromeOSTest : public testing::Test {
- public:
-  SensorManagerChromeOSTest() {
-    motion_buffer_.reset(new DeviceMotionHardwareBuffer);
-    orientation_buffer_.reset(new DeviceOrientationHardwareBuffer);
-  }
-
-  ~SensorManagerChromeOSTest() override {}
-
-  void OnAccelerationIncludingGravity(double x, double y, double z) {
-    scoped_refptr<chromeos::AccelerometerUpdate> update(
-        new chromeos::AccelerometerUpdate());
-    update->Set(chromeos::ACCELEROMETER_SOURCE_SCREEN, x, y, z);
-    sensor_manager_->OnAccelerometerUpdated(update);
-  }
-
-  DeviceMotionHardwareBuffer* motion_buffer() { return motion_buffer_.get(); }
-
-  DeviceOrientationHardwareBuffer* orientation_buffer() {
-    return orientation_buffer_.get();
-  }
-
-  SensorManagerChromeOS* sensor_manager() { return sensor_manager_.get(); }
-
-  // testing::Test:
-  void SetUp() override {
-    testing::Test::SetUp();
-    sensor_manager_.reset(new TestSensorManagerChromeOS);
-    sensor_manager_->StartFetchingDeviceMotionData(motion_buffer_.get());
-    sensor_manager_->StartFetchingDeviceOrientationData(
-        orientation_buffer_.get());
-  }
-
-  void TearDown() override {
-    sensor_manager_->StopFetchingDeviceMotionData();
-    sensor_manager_->StopFetchingDeviceOrientationData();
-    testing::Test::TearDown();
-  }
-
- private:
-  std::unique_ptr<TestSensorManagerChromeOS> sensor_manager_;
-  std::unique_ptr<DeviceMotionHardwareBuffer> motion_buffer_;
-  std::unique_ptr<DeviceOrientationHardwareBuffer> orientation_buffer_;
-
-  DISALLOW_COPY_AND_ASSIGN(SensorManagerChromeOSTest);
-};
-
-// Tests that starting to process motion data will update the associated buffer.
-TEST_F(SensorManagerChromeOSTest, MotionBuffer) {
-  DeviceMotionHardwareBuffer* buffer = motion_buffer();
-  EXPECT_FLOAT_EQ(100.0f, buffer->data.interval);
-  EXPECT_FALSE(buffer->data.has_acceleration_including_gravity_x);
-  EXPECT_FALSE(buffer->data.has_acceleration_including_gravity_y);
-  EXPECT_FALSE(buffer->data.has_acceleration_including_gravity_z);
-  EXPECT_FALSE(buffer->data.has_acceleration_x);
-  EXPECT_FALSE(buffer->data.has_acceleration_y);
-  EXPECT_FALSE(buffer->data.has_acceleration_z);
-  EXPECT_FALSE(buffer->data.has_rotation_rate_alpha);
-  EXPECT_FALSE(buffer->data.has_rotation_rate_beta);
-  EXPECT_FALSE(buffer->data.has_rotation_rate_gamma);
-
-  OnAccelerationIncludingGravity(0.0f, 0.0f, 1.0f);
-  EXPECT_TRUE(buffer->data.has_acceleration_including_gravity_x);
-  EXPECT_TRUE(buffer->data.has_acceleration_including_gravity_y);
-  EXPECT_TRUE(buffer->data.has_acceleration_including_gravity_z);
-  EXPECT_FALSE(buffer->data.has_acceleration_x);
-  EXPECT_FALSE(buffer->data.has_acceleration_y);
-  EXPECT_FALSE(buffer->data.has_acceleration_z);
-  EXPECT_FALSE(buffer->data.has_rotation_rate_alpha);
-  EXPECT_FALSE(buffer->data.has_rotation_rate_beta);
-  EXPECT_FALSE(buffer->data.has_rotation_rate_gamma);
-  EXPECT_TRUE(buffer->data.all_available_sensors_are_active);
-
-  sensor_manager()->StopFetchingDeviceMotionData();
-  EXPECT_FALSE(buffer->data.all_available_sensors_are_active);
-}
-
-// Tests that starting to process orientation data will update the associated
-// buffer.
-TEST_F(SensorManagerChromeOSTest, OrientationBuffer) {
-  DeviceOrientationHardwareBuffer* buffer = orientation_buffer();
-  EXPECT_FALSE(buffer->data.has_alpha);
-  EXPECT_FALSE(buffer->data.has_beta);
-  EXPECT_FALSE(buffer->data.has_gamma);
-  EXPECT_FALSE(buffer->data.all_available_sensors_are_active);
-
-  OnAccelerationIncludingGravity(0.0f, 0.0f, 1.0f);
-  EXPECT_FLOAT_EQ(0.0f, buffer->data.alpha);
-  EXPECT_FALSE(buffer->data.has_alpha);
-  EXPECT_TRUE(buffer->data.has_beta);
-  EXPECT_TRUE(buffer->data.has_gamma);
-  EXPECT_TRUE(buffer->data.all_available_sensors_are_active);
-
-  sensor_manager()->StopFetchingDeviceOrientationData();
-  EXPECT_FALSE(buffer->data.all_available_sensors_are_active);
-}
-
-// Tests a device resting flat.
-TEST_F(SensorManagerChromeOSTest, NeutralOrientation) {
-  OnAccelerationIncludingGravity(0.0f, 0.0f, -kMeanGravity);
-
-  DeviceMotionHardwareBuffer* motion = motion_buffer();
-  EXPECT_FLOAT_EQ(0.0f, motion->data.acceleration_including_gravity_x);
-  EXPECT_FLOAT_EQ(0.0f, motion->data.acceleration_including_gravity_y);
-  EXPECT_FLOAT_EQ(-kMeanGravity, motion->data.acceleration_including_gravity_z);
-
-  DeviceOrientationHardwareBuffer* orientation = orientation_buffer();
-  EXPECT_FLOAT_EQ(0.0f, orientation->data.beta);
-  EXPECT_FLOAT_EQ(0.0f, orientation->data.gamma);
-}
-
-// Tests an upside-down device, such that the W3C boundary [-180,180) causes the
-// beta value to become negative.
-TEST_F(SensorManagerChromeOSTest, UpsideDown) {
-  OnAccelerationIncludingGravity(0.0f, 0.0f, kMeanGravity);
-
-  DeviceMotionHardwareBuffer* motion = motion_buffer();
-  EXPECT_FLOAT_EQ(0.0f, motion->data.acceleration_including_gravity_x);
-  EXPECT_FLOAT_EQ(0.0f, motion->data.acceleration_including_gravity_y);
-  EXPECT_FLOAT_EQ(kMeanGravity, motion->data.acceleration_including_gravity_z);
-
-  DeviceOrientationHardwareBuffer* orientation = orientation_buffer();
-  EXPECT_FLOAT_EQ(-180.0f, orientation->data.beta);
-  EXPECT_FLOAT_EQ(0.0f, orientation->data.gamma);
-}
-
-// Tests for positive beta value before the device is completely upside-down
-TEST_F(SensorManagerChromeOSTest, BeforeUpsideDownBoundary) {
-  OnAccelerationIncludingGravity(0.0f, -kMeanGravity / 2.0f,
-                                 kMeanGravity / 2.0f);
-
-  DeviceMotionHardwareBuffer* motion = motion_buffer();
-  EXPECT_FLOAT_EQ(0.0f, motion->data.acceleration_including_gravity_x);
-  EXPECT_FLOAT_EQ(-kMeanGravity / 2.0f,
-                  motion->data.acceleration_including_gravity_y);
-  EXPECT_FLOAT_EQ(kMeanGravity / 2.0f,
-                  motion->data.acceleration_including_gravity_z);
-
-  DeviceOrientationHardwareBuffer* orientation = orientation_buffer();
-  EXPECT_FLOAT_EQ(135.0f, orientation->data.beta);
-  EXPECT_FLOAT_EQ(0.0f, orientation->data.gamma);
-}
-
-// Tests a device lying on its left-edge.
-TEST_F(SensorManagerChromeOSTest, LeftEdge) {
-  OnAccelerationIncludingGravity(-kMeanGravity, 0.0f, 0.0f);
-
-  DeviceMotionHardwareBuffer* motion = motion_buffer();
-  EXPECT_FLOAT_EQ(-kMeanGravity, motion->data.acceleration_including_gravity_x);
-  EXPECT_FLOAT_EQ(0.0f, motion->data.acceleration_including_gravity_y);
-  EXPECT_FLOAT_EQ(0.0f, motion->data.acceleration_including_gravity_z);
-
-  DeviceOrientationHardwareBuffer* orientation = orientation_buffer();
-  EXPECT_FLOAT_EQ(0.0f, orientation->data.beta);
-  EXPECT_FLOAT_EQ(-90.0f, orientation->data.gamma);
-}
-
-// Tests a device lying on its right-edge, such that the W3C boundary [-90,90)
-// causes the gamma value to become negative.
-TEST_F(SensorManagerChromeOSTest, RightEdge) {
-  OnAccelerationIncludingGravity(kMeanGravity, 0.0f, 0.0f);
-
-  DeviceMotionHardwareBuffer* motion = motion_buffer();
-  EXPECT_FLOAT_EQ(kMeanGravity, motion->data.acceleration_including_gravity_x);
-  EXPECT_FLOAT_EQ(0.0f, motion->data.acceleration_including_gravity_y);
-  EXPECT_FLOAT_EQ(0.0f, motion->data.acceleration_including_gravity_z);
-
-  DeviceOrientationHardwareBuffer* orientation = orientation_buffer();
-  EXPECT_FLOAT_EQ(0.0f, orientation->data.beta);
-  EXPECT_FLOAT_EQ(-90.0f, orientation->data.gamma);
-}
-
-// Tests for positive gamma value before the device is completely on its right
-// side.
-TEST_F(SensorManagerChromeOSTest, BeforeRightEdgeBoundary) {
-  OnAccelerationIncludingGravity(kMeanGravity / 2.0f, 0.0f,
-                                 -kMeanGravity / 2.0f);
-
-  DeviceMotionHardwareBuffer* motion = motion_buffer();
-  EXPECT_FLOAT_EQ(kMeanGravity / 2.0f,
-                  motion->data.acceleration_including_gravity_x);
-  EXPECT_FLOAT_EQ(0.0f, motion->data.acceleration_including_gravity_y);
-  EXPECT_FLOAT_EQ(-kMeanGravity / 2.0f,
-                  motion->data.acceleration_including_gravity_z);
-
-  DeviceOrientationHardwareBuffer* orientation = orientation_buffer();
-  EXPECT_FLOAT_EQ(0.0f, orientation->data.beta);
-  EXPECT_FLOAT_EQ(45.0f, orientation->data.gamma);
-}
-
-}  // namespace device