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
25 namespace 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.
sensorsMatch(const Sensor & a,const Sensor & b)29 static 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.
getTestSensorT()56 static 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
TEST(SensorTest,FlattenAndUnflatten)76 TEST(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