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1 /*
2  * Copyright (C) 2019 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 #ifndef android_hardware_gnss_common_vts_Utils_H_
18 #define android_hardware_gnss_common_vts_Utils_H_
19 
20 #include <android/hardware/gnss/1.0/IGnss.h>
21 #include <android/hardware/gnss/2.0/IGnss.h>
22 #include <android/hardware/gnss/IGnss.h>
23 #include <android/hardware/gnss/measurement_corrections/1.0/IMeasurementCorrections.h>
24 #include <android/hardware/gnss/measurement_corrections/1.1/IMeasurementCorrections.h>
25 #include <android/hardware/gnss/measurement_corrections/BnMeasurementCorrectionsInterface.h>
26 
27 #include <gtest/gtest.h>
28 #include <type_traits>
29 
30 namespace android {
31 namespace hardware {
32 namespace gnss {
33 namespace common {
34 
35 struct Utils {
36   public:
37     static const int64_t kMockTimestamp = 1519930775453L;
38 
39     template <class T>
40     static void checkLocation(const T& location, bool check_speed, bool check_more_accuracies);
41     template <class T>
42     static void checkLocationElapsedRealtime(const T& location);
43 
44     static void checkElapsedRealtime(
45             const android::hardware::gnss::ElapsedRealtime& elapsedRealtime);
46 
47     static const android::hardware::gnss::GnssLocation getMockLocation(
48             double latitudeDegrees, double longitudeDegrees, double horizontalAccuracyMeters);
49     static const measurement_corrections::V1_0::MeasurementCorrections
50     getMockMeasurementCorrections();
51     static const measurement_corrections::V1_1::MeasurementCorrections
52     getMockMeasurementCorrections_1_1();
53     static const android::hardware::gnss::measurement_corrections::MeasurementCorrections
54     getMockMeasurementCorrections_aidl();
55 
56     static V1_0::GnssConstellationType mapConstellationType(
57             V2_0::GnssConstellationType constellation);
58 
59     static bool isAutomotiveDevice();
60 
61   private:
62     template <class T>
63     static int64_t getLocationTimestampMillis(const T&);
64 };
65 
66 template <class T>
checkLocation(const T & location,bool check_speed,bool check_more_accuracies)67 void Utils::checkLocation(const T& location, bool check_speed, bool check_more_accuracies) {
68     EXPECT_TRUE(location.gnssLocationFlags & V1_0::GnssLocationFlags::HAS_LAT_LONG);
69     EXPECT_TRUE(location.gnssLocationFlags & V1_0::GnssLocationFlags::HAS_ALTITUDE);
70     if (check_speed) {
71         EXPECT_TRUE(location.gnssLocationFlags & V1_0::GnssLocationFlags::HAS_SPEED);
72     }
73     EXPECT_TRUE(location.gnssLocationFlags & V1_0::GnssLocationFlags::HAS_HORIZONTAL_ACCURACY);
74     // New uncertainties available in O must be provided,
75     // at least when paired with modern hardware (2017+)
76     if (check_more_accuracies) {
77         EXPECT_TRUE(location.gnssLocationFlags & V1_0::GnssLocationFlags::HAS_VERTICAL_ACCURACY);
78         if (check_speed) {
79             EXPECT_TRUE(location.gnssLocationFlags & V1_0::GnssLocationFlags::HAS_SPEED_ACCURACY);
80             if (location.gnssLocationFlags & V1_0::GnssLocationFlags::HAS_BEARING) {
81                 EXPECT_TRUE(location.gnssLocationFlags &
82                             V1_0::GnssLocationFlags::HAS_BEARING_ACCURACY);
83             }
84         }
85     }
86     EXPECT_GE(location.latitudeDegrees, -90.0);
87     EXPECT_LE(location.latitudeDegrees, 90.0);
88     EXPECT_GE(location.longitudeDegrees, -180.0);
89     EXPECT_LE(location.longitudeDegrees, 180.0);
90     EXPECT_GE(location.altitudeMeters, -1000.0);
91     EXPECT_LE(location.altitudeMeters, 30000.0);
92     if (check_speed) {
93         EXPECT_GE(location.speedMetersPerSec, 0.0);
94         EXPECT_LE(location.speedMetersPerSec, 5.0);  // VTS tests are stationary.
95 
96         // Non-zero speeds must be reported with an associated bearing
97         if (location.speedMetersPerSec > 0.0) {
98             EXPECT_TRUE(location.gnssLocationFlags & V1_0::GnssLocationFlags::HAS_BEARING);
99         }
100     }
101 
102     /*
103      * Tolerating some especially high values for accuracy estimate, in case of
104      * first fix with especially poor geometry (happens occasionally)
105      */
106     EXPECT_GT(location.horizontalAccuracyMeters, 0.0);
107     EXPECT_LE(location.horizontalAccuracyMeters, 250.0);
108 
109     /*
110      * Some devices may define bearing as -180 to +180, others as 0 to 360.
111      * Both are okay & understandable.
112      */
113     if (location.gnssLocationFlags & V1_0::GnssLocationFlags::HAS_BEARING) {
114         EXPECT_GE(location.bearingDegrees, -180.0);
115         EXPECT_LE(location.bearingDegrees, 360.0);
116     }
117     if (location.gnssLocationFlags & V1_0::GnssLocationFlags::HAS_VERTICAL_ACCURACY) {
118         EXPECT_GT(location.verticalAccuracyMeters, 0.0);
119         EXPECT_LE(location.verticalAccuracyMeters, 500.0);
120     }
121     if (location.gnssLocationFlags & V1_0::GnssLocationFlags::HAS_SPEED_ACCURACY) {
122         EXPECT_GT(location.speedAccuracyMetersPerSecond, 0.0);
123         EXPECT_LE(location.speedAccuracyMetersPerSecond, 50.0);
124     }
125     if (location.gnssLocationFlags & V1_0::GnssLocationFlags::HAS_BEARING_ACCURACY) {
126         EXPECT_GT(location.bearingAccuracyDegrees, 0.0);
127         EXPECT_LE(location.bearingAccuracyDegrees, 360.0);
128     }
129 
130     // Check timestamp > 1.48e12 (47 years in msec - 1970->2017+)
131     EXPECT_GT(getLocationTimestampMillis(location), 1.48e12);
132 
133     checkLocationElapsedRealtime(location);
134 }
135 
136 }  // namespace common
137 }  // namespace gnss
138 }  // namespace hardware
139 }  // namespace android
140 
141 #endif  // android_hardware_gnss_common_vts_Utils_H_
142