mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 15:16:12 -04:00
Alexey Polyudov
c3a89bb894
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I8ca8ef4727e289f3c6ea62ad73008ad718096e5d
368 lines
17 KiB
C++
368 lines
17 KiB
C++
// Copyright 2020 Google LLC
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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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// https://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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#include "core/internal/ble_advertisement.h"
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#include <cstring>
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#include "platform/port/string.h"
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#include "gtest/gtest.h"
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namespace location {
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namespace nearby {
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namespace connections {
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namespace {
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const BLEAdvertisement::Version::Value version = BLEAdvertisement::Version::V1;
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const PCP::Value pcp = PCP::P2P_CLUSTER;
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const char endpoint_id[] = "AB12";
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const char service_id_hash_bytes[] = {0x0A, 0x0B, 0x0C};
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const char endpoint_name[] =
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"How much wood can a woodchuck chuck if a wood chuck would chuck wood?";
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const char bluetooth_mac_address[] = "00:00:E6:88:64:13";
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TEST(BLEAdvertisementTest, SerializationDeserializationWorks) {
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ScopedPtr<Ptr<ByteArray> > scoped_service_id_hash(new ByteArray(
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service_id_hash_bytes, sizeof(service_id_hash_bytes) / sizeof(char)));
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ScopedPtr<ConstPtr<ByteArray> > scoped_ble_advertisement_bytes(
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BLEAdvertisement::toBytes(
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version, pcp, ConstifyPtr(scoped_service_id_hash.get()), endpoint_id,
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endpoint_name, bluetooth_mac_address));
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ScopedPtr<Ptr<BLEAdvertisement> > scoped_ble_advertisement(
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BLEAdvertisement::fromBytes(scoped_ble_advertisement_bytes.get()));
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ASSERT_EQ(pcp, scoped_ble_advertisement->getPCP());
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ASSERT_EQ(version, scoped_ble_advertisement->getVersion());
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ASSERT_EQ(endpoint_id, scoped_ble_advertisement->getEndpointId());
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ASSERT_EQ(sizeof(service_id_hash_bytes) / sizeof(char),
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scoped_ble_advertisement->getServiceIdHash()->size());
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ASSERT_EQ(0, memcmp(service_id_hash_bytes,
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scoped_ble_advertisement->getServiceIdHash()->getData(),
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scoped_ble_advertisement->getServiceIdHash()->size()));
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ASSERT_EQ(endpoint_name, scoped_ble_advertisement->getEndpointName());
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ASSERT_EQ(bluetooth_mac_address,
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scoped_ble_advertisement->getBluetoothMacAddress());
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}
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TEST(BLEAdvertisementTest, SerializationDeserializationWorksWithGoodPCP) {
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PCP::Value good_pcp = PCP::P2P_STAR;
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ScopedPtr<Ptr<ByteArray> > scoped_service_id_hash(new ByteArray(
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service_id_hash_bytes, sizeof(service_id_hash_bytes) / sizeof(char)));
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ScopedPtr<ConstPtr<ByteArray> > scoped_ble_advertisement_bytes(
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BLEAdvertisement::toBytes(
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version, good_pcp, ConstifyPtr(scoped_service_id_hash.get()),
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endpoint_id, endpoint_name, bluetooth_mac_address));
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ScopedPtr<Ptr<BLEAdvertisement> > scoped_ble_advertisement(
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BLEAdvertisement::fromBytes(scoped_ble_advertisement_bytes.get()));
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ASSERT_EQ(good_pcp, scoped_ble_advertisement->getPCP());
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ASSERT_EQ(version, scoped_ble_advertisement->getVersion());
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ASSERT_EQ(endpoint_id, scoped_ble_advertisement->getEndpointId());
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ASSERT_EQ(sizeof(service_id_hash_bytes) / sizeof(char),
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scoped_ble_advertisement->getServiceIdHash()->size());
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ASSERT_EQ(0, memcmp(service_id_hash_bytes,
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scoped_ble_advertisement->getServiceIdHash()->getData(),
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scoped_ble_advertisement->getServiceIdHash()->size()));
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ASSERT_EQ(endpoint_name, scoped_ble_advertisement->getEndpointName());
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ASSERT_EQ(bluetooth_mac_address,
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scoped_ble_advertisement->getBluetoothMacAddress());
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}
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TEST(BLEAdvertisementTest,
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SerializationDeserializationWorksWithEmptyEndpointName) {
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std::string empty_endpoint_name;
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ScopedPtr<Ptr<ByteArray> > scoped_service_id_hash(new ByteArray(
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service_id_hash_bytes, sizeof(service_id_hash_bytes) / sizeof(char)));
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ScopedPtr<ConstPtr<ByteArray> > scoped_ble_advertisement_bytes(
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BLEAdvertisement::toBytes(
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version, pcp, ConstifyPtr(scoped_service_id_hash.get()), endpoint_id,
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empty_endpoint_name, bluetooth_mac_address));
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ScopedPtr<Ptr<BLEAdvertisement> > scoped_ble_advertisement(
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BLEAdvertisement::fromBytes(scoped_ble_advertisement_bytes.get()));
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ASSERT_EQ(pcp, scoped_ble_advertisement->getPCP());
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ASSERT_EQ(version, scoped_ble_advertisement->getVersion());
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ASSERT_EQ(endpoint_id, scoped_ble_advertisement->getEndpointId());
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ASSERT_EQ(sizeof(service_id_hash_bytes) / sizeof(char),
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scoped_ble_advertisement->getServiceIdHash()->size());
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ASSERT_EQ(0, memcmp(service_id_hash_bytes,
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scoped_ble_advertisement->getServiceIdHash()->getData(),
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scoped_ble_advertisement->getServiceIdHash()->size()));
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ASSERT_EQ(empty_endpoint_name, scoped_ble_advertisement->getEndpointName());
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ASSERT_EQ(bluetooth_mac_address,
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scoped_ble_advertisement->getBluetoothMacAddress());
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}
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TEST(BLEAdvertisementTest,
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SerializationDeSerializationFailsWithLongEndpointName) {
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std::string long_endpoint_name(BLEAdvertisement::kMaxEndpointNameLength + 1,
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'x');
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ScopedPtr<Ptr<ByteArray> > scoped_service_id_hash(new ByteArray(
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service_id_hash_bytes, sizeof(service_id_hash_bytes) / sizeof(char)));
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ScopedPtr<ConstPtr<ByteArray> > scoped_ble_advertisement_bytes(
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BLEAdvertisement::toBytes(
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version, pcp, ConstifyPtr(scoped_service_id_hash.get()), endpoint_id,
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long_endpoint_name, bluetooth_mac_address));
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ASSERT_TRUE(scoped_ble_advertisement_bytes.get().isNull());
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}
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TEST(BLEAdvertisementTest,
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SerializationDeserializationWorksWithEmojiEndpointName) {
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std::string emoji_endpoint_name("\u0001F450 \u0001F450");
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ScopedPtr<Ptr<ByteArray> > scoped_service_id_hash(new ByteArray(
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service_id_hash_bytes, sizeof(service_id_hash_bytes) / sizeof(char)));
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ScopedPtr<ConstPtr<ByteArray> > scoped_ble_advertisement_bytes(
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BLEAdvertisement::toBytes(
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version, pcp, ConstifyPtr(scoped_service_id_hash.get()), endpoint_id,
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emoji_endpoint_name, bluetooth_mac_address));
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ScopedPtr<Ptr<BLEAdvertisement> > scoped_ble_advertisement(
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BLEAdvertisement::fromBytes(scoped_ble_advertisement_bytes.get()));
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ASSERT_EQ(pcp, scoped_ble_advertisement->getPCP());
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ASSERT_EQ(version, scoped_ble_advertisement->getVersion());
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ASSERT_EQ(endpoint_id, scoped_ble_advertisement->getEndpointId());
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ASSERT_EQ(sizeof(service_id_hash_bytes) / sizeof(char),
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scoped_ble_advertisement->getServiceIdHash()->size());
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ASSERT_EQ(0, memcmp(service_id_hash_bytes,
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scoped_ble_advertisement->getServiceIdHash()->getData(),
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scoped_ble_advertisement->getServiceIdHash()->size()));
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ASSERT_EQ(emoji_endpoint_name, scoped_ble_advertisement->getEndpointName());
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ASSERT_EQ(bluetooth_mac_address,
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scoped_ble_advertisement->getBluetoothMacAddress());
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}
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TEST(BLEAdvertisementTest, SerializationFailsWithBadVersion) {
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BLEAdvertisement::Version::Value bad_version =
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static_cast<BLEAdvertisement::Version::Value>(666);
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ScopedPtr<Ptr<ByteArray> > scoped_service_id_hash(new ByteArray(
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service_id_hash_bytes, sizeof(service_id_hash_bytes) / sizeof(char)));
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ScopedPtr<ConstPtr<ByteArray> > scoped_ble_advertisement_bytes(
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BLEAdvertisement::toBytes(
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bad_version, pcp, ConstifyPtr(scoped_service_id_hash.get()),
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endpoint_id, endpoint_name, bluetooth_mac_address));
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ASSERT_TRUE(scoped_ble_advertisement_bytes.get().isNull());
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}
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TEST(BLEAdvertisementTest, SerializationFailsWithBadPCP) {
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PCP::Value bad_pcp = static_cast<PCP::Value>(666);
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ScopedPtr<Ptr<ByteArray> > scoped_service_id_hash(new ByteArray(
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service_id_hash_bytes, sizeof(service_id_hash_bytes) / sizeof(char)));
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ScopedPtr<ConstPtr<ByteArray> > scoped_ble_advertisement_bytes(
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BLEAdvertisement::toBytes(
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version, bad_pcp, ConstifyPtr(scoped_service_id_hash.get()),
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endpoint_id, endpoint_name, bluetooth_mac_address));
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ASSERT_TRUE(scoped_ble_advertisement_bytes.get().isNull());
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}
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TEST(BLEAdvertisementTest, SerializationSucceedsWithEmptyBluetoothMacAddress) {
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std::string empty_bluetooth_mac_address = "";
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ScopedPtr<Ptr<ByteArray> > scoped_service_id_hash(new ByteArray(
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service_id_hash_bytes, sizeof(service_id_hash_bytes) / sizeof(char)));
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ScopedPtr<ConstPtr<ByteArray> > scoped_ble_advertisement_bytes(
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BLEAdvertisement::toBytes(
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version, pcp, ConstifyPtr(scoped_service_id_hash.get()), endpoint_id,
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endpoint_name, empty_bluetooth_mac_address));
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ScopedPtr<Ptr<BLEAdvertisement> > scoped_ble_advertisement(
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BLEAdvertisement::fromBytes(scoped_ble_advertisement_bytes.get()));
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ASSERT_EQ(pcp, scoped_ble_advertisement->getPCP());
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ASSERT_EQ(version, scoped_ble_advertisement->getVersion());
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ASSERT_EQ(endpoint_id, scoped_ble_advertisement->getEndpointId());
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ASSERT_EQ(sizeof(service_id_hash_bytes) / sizeof(char),
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scoped_ble_advertisement->getServiceIdHash()->size());
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ASSERT_EQ(0, memcmp(service_id_hash_bytes,
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scoped_ble_advertisement->getServiceIdHash()->getData(),
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scoped_ble_advertisement->getServiceIdHash()->size()));
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ASSERT_EQ(endpoint_name, scoped_ble_advertisement->getEndpointName());
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ASSERT_EQ(empty_bluetooth_mac_address,
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scoped_ble_advertisement->getBluetoothMacAddress());
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}
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TEST(BLEAdvertisementTest,
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SerializationSucceedsWithInvalidBluetoothMacAddress) {
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std::string bad_bluetooth_mac_address = "022:00";
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ScopedPtr<Ptr<ByteArray> > scoped_service_id_hash(new ByteArray(
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service_id_hash_bytes, sizeof(service_id_hash_bytes) / sizeof(char)));
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ScopedPtr<ConstPtr<ByteArray> > scoped_ble_advertisement_bytes(
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BLEAdvertisement::toBytes(
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version, pcp, ConstifyPtr(scoped_service_id_hash.get()), endpoint_id,
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endpoint_name, bad_bluetooth_mac_address));
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ScopedPtr<Ptr<BLEAdvertisement> > scoped_ble_advertisement(
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BLEAdvertisement::fromBytes(scoped_ble_advertisement_bytes.get()));
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ASSERT_EQ(pcp, scoped_ble_advertisement->getPCP());
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ASSERT_EQ(version, scoped_ble_advertisement->getVersion());
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ASSERT_EQ(endpoint_id, scoped_ble_advertisement->getEndpointId());
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ASSERT_EQ(sizeof(service_id_hash_bytes) / sizeof(char),
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scoped_ble_advertisement->getServiceIdHash()->size());
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ASSERT_EQ(0, memcmp(service_id_hash_bytes,
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scoped_ble_advertisement->getServiceIdHash()->getData(),
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scoped_ble_advertisement->getServiceIdHash()->size()));
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ASSERT_EQ(endpoint_name, scoped_ble_advertisement->getEndpointName());
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ASSERT_TRUE(scoped_ble_advertisement->getBluetoothMacAddress().empty());
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}
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TEST(BLEAdvertisementTest, DeserializationFailsWithNullBytes) {
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ScopedPtr<Ptr<BLEAdvertisement> > scoped_ble_advertisement(
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BLEAdvertisement::fromBytes(ConstPtr<ByteArray>()));
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ASSERT_TRUE(scoped_ble_advertisement.get().isNull());
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}
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TEST(BLEAdvertisementTest, DeserializationFailsWithShortLength) {
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// Serialize good data into a good BLE Advertisement.
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ScopedPtr<Ptr<ByteArray> > scoped_service_id_hash(new ByteArray(
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service_id_hash_bytes, sizeof(service_id_hash_bytes) / sizeof(char)));
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ScopedPtr<ConstPtr<ByteArray> > scoped_ble_advertisement_bytes(
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BLEAdvertisement::toBytes(
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version, pcp, ConstifyPtr(scoped_service_id_hash.get()), endpoint_id,
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endpoint_name, bluetooth_mac_address));
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// Shorten the valid BLE Advertisement.
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ScopedPtr<ConstPtr<ByteArray> > short_ble_advertisement_bytes(MakeConstPtr(
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new ByteArray(scoped_ble_advertisement_bytes.get()->getData(),
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BLEAdvertisement::kMinAdvertisementLength - 1)));
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// Fail to deserialize the short BLE Advertisement.
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ScopedPtr<Ptr<BLEAdvertisement> > scoped_short_ble_advertisement(
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BLEAdvertisement::fromBytes(short_ble_advertisement_bytes.get()));
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ASSERT_TRUE(scoped_short_ble_advertisement.get().isNull());
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// Make sure deserialization succeeds with the valid BLE Advertisement.
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ScopedPtr<Ptr<BLEAdvertisement> > scoped_ble_advertisement(
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BLEAdvertisement::fromBytes(scoped_ble_advertisement_bytes.get()));
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ASSERT_FALSE(scoped_ble_advertisement.get().isNull());
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}
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TEST(BLEAdvertisementTest, DeserializationFailsWithWrongEndpointNameLength) {
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// Serialize good data into a good BLE Advertisement.
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ScopedPtr<Ptr<ByteArray> > scoped_service_id_hash(new ByteArray(
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service_id_hash_bytes, sizeof(service_id_hash_bytes) / sizeof(char)));
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ScopedPtr<ConstPtr<ByteArray> > scoped_ble_advertisement_bytes(
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BLEAdvertisement::toBytes(
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version, pcp, ConstifyPtr(scoped_service_id_hash.get()), endpoint_id,
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endpoint_name, bluetooth_mac_address));
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// Corrupt the EndpointNameLength bits.
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std::string corrupt_ble_advertisement_bytes(
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scoped_ble_advertisement_bytes->getData(),
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scoped_ble_advertisement_bytes->size());
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corrupt_ble_advertisement_bytes[8] ^= 0x0FF;
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ScopedPtr<ConstPtr<ByteArray> > scoped_corrupt_ble_advertisement_bytes(
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MakeConstPtr(new ByteArray(corrupt_ble_advertisement_bytes.data(),
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corrupt_ble_advertisement_bytes.size())));
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// And deserialize the corrupt BLE Advertisement.
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ScopedPtr<Ptr<BLEAdvertisement> > scoped_ble_advertisement(
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BLEAdvertisement::fromBytes(
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scoped_corrupt_ble_advertisement_bytes.get()));
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ASSERT_TRUE(scoped_ble_advertisement.isNull());
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}
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// Bytes at the end should be ignored so that they can be used as reserve bytes
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// in the future.
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TEST(BLEAdvertisementTest, DeserializationPassesWithLongLength) {
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ScopedPtr<Ptr<ByteArray> > scoped_service_id_hash(new ByteArray(
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service_id_hash_bytes, sizeof(service_id_hash_bytes) / sizeof(char)));
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ScopedPtr<ConstPtr<ByteArray> > scoped_ble_advertisement_bytes(
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BLEAdvertisement::toBytes(
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version, pcp, ConstifyPtr(scoped_service_id_hash.get()), endpoint_id,
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endpoint_name, bluetooth_mac_address));
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// Add bytes to the end of the valid BLE advertisement.
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auto new_array =
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new ByteArray(BLEAdvertisement::kMinAdvertisementLength + 1000);
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ASSERT_LE(scoped_ble_advertisement_bytes->size(), new_array->size());
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memcpy(new_array->getData(),
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scoped_ble_advertisement_bytes->getData(),
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scoped_ble_advertisement_bytes->size());
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ScopedPtr<ConstPtr<ByteArray> > long_ble_advertisement_bytes(MakeConstPtr(
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new_array));
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// Deserialize the long BLE advertisement.
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ScopedPtr<Ptr<BLEAdvertisement> > scoped_long_ble_advertisement(
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BLEAdvertisement::fromBytes(long_ble_advertisement_bytes.get()));
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ASSERT_FALSE(scoped_long_ble_advertisement.get().isNull());
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// Make sure deserialization succeeds with the valid BLE Advertisement.
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ScopedPtr<Ptr<BLEAdvertisement> > scoped_ble_advertisement(
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BLEAdvertisement::fromBytes(scoped_ble_advertisement_bytes.get()));
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ASSERT_FALSE(scoped_ble_advertisement.get().isNull());
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}
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TEST(BLEAdvertisementTest, DeserializationWorksWithLongEndpointName) {
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// Serialize good data into a good BLE Advertisement.
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ScopedPtr<Ptr<ByteArray> > scoped_service_id_hash(new ByteArray(
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service_id_hash_bytes, sizeof(service_id_hash_bytes) / sizeof(char)));
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ScopedPtr<ConstPtr<ByteArray> > scoped_ble_advertisement_bytes(
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BLEAdvertisement::toBytes(
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version, pcp, ConstifyPtr(scoped_service_id_hash.get()), endpoint_id,
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endpoint_name, bluetooth_mac_address));
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// Corrupt the EndpointNameLength bits and increase it past the accepted max
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// length.
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std::string corrupt_ble_advertisement_bytes(
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scoped_ble_advertisement_bytes->getData(),
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scoped_ble_advertisement_bytes->size());
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corrupt_ble_advertisement_bytes[8] ^=
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BLEAdvertisement::kMaxEndpointNameLength + 10;
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ScopedPtr<ConstPtr<ByteArray> > scoped_corrupt_ble_advertisement_bytes(
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MakeConstPtr(new ByteArray(corrupt_ble_advertisement_bytes.data(),
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corrupt_ble_advertisement_bytes.size())));
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// Increase the size of the advertisement so that there's enough data for the
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// now-longer endpoint name.
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auto new_array =
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new ByteArray(BLEAdvertisement::kMinAdvertisementLength + 1000);
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ASSERT_LE(scoped_ble_advertisement_bytes->size(), new_array->size());
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memcpy(new_array->getData(),
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scoped_ble_advertisement_bytes->getData(),
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scoped_ble_advertisement_bytes->size());
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ScopedPtr<ConstPtr<ByteArray> > long_ble_advertisement_bytes(MakeConstPtr(
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new_array));
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// And deserialize the changed BLE Advertisement.
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ScopedPtr<Ptr<BLEAdvertisement> > scoped_ble_advertisement(
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BLEAdvertisement::fromBytes(long_ble_advertisement_bytes.get()));
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ASSERT_FALSE(scoped_ble_advertisement.isNull());
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}
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} // namespace
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} // namespace connections
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} // namespace nearby
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} // namespace location
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