android13/system/chre/pal/util/tests/wifi_pal_convert_test.cc

111 lines
4.0 KiB
C++

/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "chre/pal/util/wifi_pal_convert.h"
#include "chre_api/chre/wifi.h"
#include <cinttypes>
#include "chre/util/macros.h"
#include "gtest/gtest.h"
/************************************************
* Private functions
***********************************************/
namespace {
void validateLciConvert(const uint8_t *lci, size_t len,
const struct chreWifiRangingResult &expectedResult) {
struct chreWifiRangingResult result;
ASSERT_TRUE(chreWifiLciFromIe(lci, len, &result));
EXPECT_EQ(result.lci.latitude, expectedResult.lci.latitude);
EXPECT_EQ(result.lci.longitude, expectedResult.lci.longitude);
EXPECT_EQ(result.lci.altitude, expectedResult.lci.altitude);
EXPECT_EQ(result.lci.latitudeUncertainty,
expectedResult.lci.latitudeUncertainty);
EXPECT_EQ(result.lci.longitudeUncertainty,
expectedResult.lci.longitudeUncertainty);
EXPECT_EQ(result.lci.altitudeType, expectedResult.lci.altitudeType);
EXPECT_EQ(result.lci.altitudeUncertainty,
expectedResult.lci.altitudeUncertainty);
EXPECT_EQ(result.flags, CHRE_WIFI_RTT_RESULT_HAS_LCI);
}
} // anonymous namespace
/************************************************
* Tests
***********************************************/
TEST(WifiPalConvert, SimpleConvertTest) {
// Example taken from IEEE P802.11-REVmc/D8.0, section 9.4.2.22.10
uint8_t lci[CHRE_LCI_IE_HEADER_LEN_BYTES +
CHRE_LCI_SUBELEMENT_HEADER_LEN_BYTES +
CHRE_LCI_SUBELEMENT_DATA_LEN_BYTES] = {
0x01, 0x0, 0x08, 0x0, 0x10, 0x52, 0x83, 0x4d, 0x12, 0xef, 0xd2,
0xb0, 0x8b, 0x9b, 0x4b, 0xf1, 0xcc, 0x2c, 0x00, 0x00, 0x41};
struct chreWifiRangingResult expectedResult;
expectedResult.lci = {
.latitude = -1136052723, // -33.857 deg
.longitude = 5073940163, // 151.2152 deg
.altitude = 2867, // 11.2 m
.latitudeUncertainty = 18,
.longitudeUncertainty = 18,
.altitudeType = 1, // CHRE_WIFI_LCI_ALTITUDE_TYPE_METERS
.altitudeUncertainty = 15,
};
validateLciConvert(lci, ARRAY_SIZE(lci), expectedResult);
}
TEST(WifiPalConvert, ExtraDataTest) {
uint8_t lci[CHRE_LCI_IE_HEADER_LEN_BYTES +
CHRE_LCI_SUBELEMENT_HEADER_LEN_BYTES +
CHRE_LCI_SUBELEMENT_DATA_LEN_BYTES + 2] = {
0x01, 0x0, 0x08, 0x0, 0x10, 0x52, 0x83, 0x4d, 0x12, 0xef, 0xd2, 0xb0,
0x8b, 0x9b, 0x4b, 0xf1, 0xcc, 0x2c, 0x00, 0x00, 0x41, 0x00, 0x00};
struct chreWifiRangingResult expectedResult;
expectedResult.lci = {
.latitude = -1136052723, // -33.857 deg
.longitude = 5073940163, // 151.2152 deg
.altitude = 2867, // 11.2 m
.latitudeUncertainty = 18,
.longitudeUncertainty = 18,
.altitudeType = 1, // CHRE_WIFI_LCI_ALTITUDE_TYPE_METERS
.altitudeUncertainty = 15,
};
validateLciConvert(lci, ARRAY_SIZE(lci), expectedResult);
}
TEST(WifiPalConvert, NoLciTest) {
uint8_t lci[CHRE_LCI_IE_HEADER_LEN_BYTES +
CHRE_LCI_SUBELEMENT_HEADER_LEN_BYTES] = {0x01, 0x0, 0x08, 0x0,
0x0};
struct chreWifiRangingResult result;
ASSERT_TRUE(chreWifiLciFromIe(lci, ARRAY_SIZE(lci), &result));
EXPECT_EQ(result.flags, 0);
}
TEST(WifiPalConvert, InvalidLciTest) {
uint8_t lci[CHRE_LCI_IE_HEADER_LEN_BYTES] = {0x01, 0x0, 0x08};
struct chreWifiRangingResult result;
EXPECT_FALSE(chreWifiLciFromIe(lci, ARRAY_SIZE(lci), &result));
}