blob: 184a315615de624e6f1bed6391452142b22e6b81 [file] [log] [blame]
// 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 "content/browser/device_sensors/sensor_manager_chromeos.h"
#include "base/memory/scoped_ptr.h"
#include "chromeos/accelerometer/accelerometer_types.h"
#include "content/common/device_sensors/device_motion_hardware_buffer.h"
#include "content/common/device_sensors/device_orientation_hardware_buffer.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
const double kMeanGravity = -9.80665;
// Isolated content::SensorManagerChromeOS from the active
// chromeos::AccelerometerReader. This allows for direct control over which
// accelerometer events are provided to the sensor manager.
class TestSensorManagerChromeOS : public content::SensorManagerChromeOS {
public:
TestSensorManagerChromeOS() {}
~TestSensorManagerChromeOS() override {};
protected:
void StartObservingAccelerometer() override {}
void StopObservingAccelerometer() override {}
private:
DISALLOW_COPY_AND_ASSIGN(TestSensorManagerChromeOS);
};
} // namespace
namespace content {
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:
scoped_ptr<TestSensorManagerChromeOS> sensor_manager_;
scoped_ptr<DeviceMotionHardwareBuffer> motion_buffer_;
scoped_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.hasAccelerationIncludingGravityX);
EXPECT_FALSE(buffer->data.hasAccelerationIncludingGravityY);
EXPECT_FALSE(buffer->data.hasAccelerationIncludingGravityZ);
EXPECT_FALSE(buffer->data.hasAccelerationX);
EXPECT_FALSE(buffer->data.hasAccelerationY);
EXPECT_FALSE(buffer->data.hasAccelerationZ);
EXPECT_FALSE(buffer->data.hasRotationRateAlpha);
EXPECT_FALSE(buffer->data.hasRotationRateBeta);
EXPECT_FALSE(buffer->data.hasRotationRateGamma);
OnAccelerationIncludingGravity(0.0f, 0.0f, 1.0f);
EXPECT_TRUE(buffer->data.hasAccelerationIncludingGravityX);
EXPECT_TRUE(buffer->data.hasAccelerationIncludingGravityY);
EXPECT_TRUE(buffer->data.hasAccelerationIncludingGravityZ);
EXPECT_FALSE(buffer->data.hasAccelerationX);
EXPECT_FALSE(buffer->data.hasAccelerationY);
EXPECT_FALSE(buffer->data.hasAccelerationZ);
EXPECT_FALSE(buffer->data.hasRotationRateAlpha);
EXPECT_FALSE(buffer->data.hasRotationRateBeta);
EXPECT_FALSE(buffer->data.hasRotationRateGamma);
EXPECT_TRUE(buffer->data.allAvailableSensorsAreActive);
sensor_manager()->StopFetchingDeviceMotionData();
EXPECT_FALSE(buffer->data.allAvailableSensorsAreActive);
}
// Tests that starting to process orientation data will update the associated
// buffer.
TEST_F(SensorManagerChromeOSTest, OrientationBuffer) {
DeviceOrientationHardwareBuffer* buffer = orientation_buffer();
EXPECT_TRUE(buffer->data.hasAbsolute);
EXPECT_FALSE(buffer->data.hasAlpha);
EXPECT_FALSE(buffer->data.hasBeta);
EXPECT_FALSE(buffer->data.hasGamma);
EXPECT_FALSE(buffer->data.allAvailableSensorsAreActive);
OnAccelerationIncludingGravity(0.0f, 0.0f, 1.0f);
EXPECT_FLOAT_EQ(0.0f, buffer->data.alpha);
EXPECT_FALSE(buffer->data.hasAlpha);
EXPECT_TRUE(buffer->data.hasBeta);
EXPECT_TRUE(buffer->data.hasGamma);
EXPECT_TRUE(buffer->data.allAvailableSensorsAreActive);
sensor_manager()->StopFetchingDeviceOrientationData();
EXPECT_FALSE(buffer->data.allAvailableSensorsAreActive);
}
// 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.accelerationIncludingGravityX);
EXPECT_FLOAT_EQ(0.0f, motion->data.accelerationIncludingGravityY);
EXPECT_FLOAT_EQ(-kMeanGravity, motion->data.accelerationIncludingGravityZ);
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.accelerationIncludingGravityX);
EXPECT_FLOAT_EQ(0.0f, motion->data.accelerationIncludingGravityY);
EXPECT_FLOAT_EQ(kMeanGravity, motion->data.accelerationIncludingGravityZ);
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.accelerationIncludingGravityX);
EXPECT_FLOAT_EQ(-kMeanGravity / 2.0f,
motion->data.accelerationIncludingGravityY);
EXPECT_FLOAT_EQ(kMeanGravity / 2.0f,
motion->data.accelerationIncludingGravityZ);
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.accelerationIncludingGravityX);
EXPECT_FLOAT_EQ(0.0f, motion->data.accelerationIncludingGravityY);
EXPECT_FLOAT_EQ(0.0f, motion->data.accelerationIncludingGravityZ);
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.accelerationIncludingGravityX);
EXPECT_FLOAT_EQ(0.0f, motion->data.accelerationIncludingGravityY);
EXPECT_FLOAT_EQ(0.0f, motion->data.accelerationIncludingGravityZ);
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.accelerationIncludingGravityX);
EXPECT_FLOAT_EQ(0.0f, motion->data.accelerationIncludingGravityY);
EXPECT_FLOAT_EQ(-kMeanGravity / 2.0f,
motion->data.accelerationIncludingGravityZ);
DeviceOrientationHardwareBuffer* orientation = orientation_buffer();
EXPECT_FLOAT_EQ(0.0f, orientation->data.beta);
EXPECT_FLOAT_EQ(45.0f, orientation->data.gamma);
}
} // namespace content