1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#define LOG_TAG "Sensor_test"
18
19#include <sensor/Sensor.h>
20#include <hardware/sensors.h>
21#include <utils/Errors.h>
22
23#include <gtest/gtest.h>
24
25namespace android {
26
27// Returns true if the two sensors have the same attributes. Does not compare
28// UUID since that should not be transmitted via flatten/unflatten.
29static bool sensorsMatch(const Sensor& a, const Sensor& b) {
30    return a.getName() == b.getName () &&
31        a.getVendor() == b.getVendor () &&
32        a.getHandle() == b.getHandle () &&
33        a.getType() == b.getType () &&
34        a.getMinValue() == b.getMinValue () &&
35        a.getMaxValue() == b.getMaxValue () &&
36        a.getResolution() == b.getResolution () &&
37        a.getPowerUsage() == b.getPowerUsage () &&
38        a.getMinDelay() == b.getMinDelay () &&
39        a.getMinDelayNs() == b.getMinDelayNs () &&
40        a.getVersion() == b.getVersion () &&
41        a.getFifoReservedEventCount() == b.getFifoReservedEventCount () &&
42        a.getFifoMaxEventCount() == b.getFifoMaxEventCount () &&
43        a.getStringType() == b.getStringType () &&
44        a.getRequiredPermission() == b.getRequiredPermission () &&
45        a.isRequiredPermissionRuntime() == b.isRequiredPermissionRuntime () &&
46        a.getRequiredAppOp() == b.getRequiredAppOp () &&
47        a.getMaxDelay() == b.getMaxDelay () &&
48        a.getFlags() == b.getFlags () &&
49        a.isWakeUpSensor() == b.isWakeUpSensor () &&
50        a.isDynamicSensor() == b.isDynamicSensor () &&
51        a.hasAdditionalInfo() == b.hasAdditionalInfo () &&
52        a.getReportingMode() == b.getReportingMode();
53}
54
55// Creates and returns a sensor_t struct with some default values filled in.
56static sensor_t getTestSensorT() {
57    sensor_t hwSensor = {};
58    hwSensor.name = "Test Sensor";
59    hwSensor.vendor = "Test Vendor";
60    hwSensor.version = 1;
61    hwSensor.handle = 2;
62    hwSensor.type = SENSOR_TYPE_ACCELEROMETER;
63    hwSensor.maxRange = 10.f;
64    hwSensor.resolution = 1.f;
65    hwSensor.power = 5.f;
66    hwSensor.minDelay = 1000;
67    hwSensor.fifoReservedEventCount = 50;
68    hwSensor.fifoMaxEventCount = 100;
69    hwSensor.stringType = SENSOR_STRING_TYPE_ACCELEROMETER;
70    hwSensor.requiredPermission = "";
71    hwSensor.maxDelay = 5000;
72    hwSensor.flags = SENSOR_FLAG_CONTINUOUS_MODE;
73    return hwSensor;
74}
75
76TEST(SensorTest, FlattenAndUnflatten) {
77    sensor_t hwSensor = getTestSensorT();
78    Sensor sensor1(&hwSensor, SENSORS_DEVICE_API_VERSION_1_4);
79    Sensor sensor2;
80
81    std::vector<uint8_t> buffer(sensor1.getFlattenedSize());
82    ASSERT_EQ(OK, sensor1.flatten(buffer.data(), buffer.size()));
83    ASSERT_EQ(OK, sensor2.unflatten(buffer.data(), buffer.size()));
84
85    EXPECT_TRUE(sensorsMatch(sensor1, sensor2));
86}
87
88} // namespace android
89