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