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| /******************************************************************************
| *
| * Copyright 2017 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 <gtest/gtest.h>
| #include "advertise_data_parser.h"
|
| TEST(AdvertiseDataParserTest, IsValidEmpty) {
| const std::vector<uint8_t> data0;
| EXPECT_TRUE(AdvertiseDataParser::IsValid(data0));
|
| // Single empty field allowed (treated as zero padding).
| const std::vector<uint8_t> data1{0x00};
| EXPECT_TRUE(AdvertiseDataParser::IsValid(data1));
| }
|
| TEST(AdvertiseDataParserTest, IsValidBad) {
| // Single field, field empty.
| const std::vector<uint8_t> data0{0x01};
| EXPECT_FALSE(AdvertiseDataParser::IsValid(data0));
|
| // Single field, first field length too long.
| const std::vector<uint8_t> data1{0x05, 0x02, 0x00, 0x00, 0x00};
| EXPECT_FALSE(AdvertiseDataParser::IsValid(data1));
|
| // Two fields, second field length too long.
| const std::vector<uint8_t> data2{0x02, 0x02, 0x00, 0x02, 0x00};
| EXPECT_FALSE(AdvertiseDataParser::IsValid(data2));
|
| // Two fields, second field empty.
| const std::vector<uint8_t> data3{0x02, 0x02, 0x00, 0x01};
| EXPECT_FALSE(AdvertiseDataParser::IsValid(data3));
|
| // Non-zero padding at end of packet.
| const std::vector<uint8_t> data4{0x03, 0x02, 0x01, 0x02, 0x02, 0x03, 0x01,
| 0x00, 0x00, 0xBA, 0xBA, 0x00, 0x00};
| EXPECT_FALSE(AdvertiseDataParser::IsValid(data1));
|
| // Non-zero padding at end of packet.
| const std::vector<uint8_t> data5{0x03, 0x02, 0x01, 0x02, 0x02,
| 0x03, 0x01, 0x00, 0xBA};
| EXPECT_FALSE(AdvertiseDataParser::IsValid(data1));
| }
|
| TEST(AdvertiseDataParserTest, IsValidGood) {
| // Single field.
| const std::vector<uint8_t> data0{0x03, 0x02, 0x01, 0x02};
| EXPECT_TRUE(AdvertiseDataParser::IsValid(data0));
|
| // Two fields.
| const std::vector<uint8_t> data1{0x03, 0x02, 0x01, 0x02, 0x02, 0x03, 0x01};
| EXPECT_TRUE(AdvertiseDataParser::IsValid(data1));
|
| // Zero padding at end of packet.
| const std::vector<uint8_t> data2{0x03, 0x02, 0x01, 0x02,
| 0x02, 0x03, 0x01, 0x00};
| EXPECT_TRUE(AdvertiseDataParser::IsValid(data2));
|
| // zero padding at end of packet, sample data from real device
| const std::vector<uint8_t> data3{
| 0x10, 0x096, 0x85, 0x44, 0x32, 0x04, 0x74, 0x32, 0x03, 0x13, 0x93,
| 0xa, 0x32, 0x39, 0x3a, 0x65, 0x32, 0x05, 0x12, 0x50, 0x00, 0x50,
| 0x00, 0x02, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
| EXPECT_TRUE(AdvertiseDataParser::IsValid(data3));
|
| // Test Quirk for Traxxas (bad name length, should be 0x11 is 0x14)
| const std::vector<uint8_t> data4{0x14, 0x09, 0x54, 0x52, 0x58, 0x20,
| 0x42, 0x4C, 0x45, 0x05, 0x12, 0x60,
| 0x00, 0xE8, 0x03, 0x02, 0x0A, 0x00};
| EXPECT_TRUE(AdvertiseDataParser::IsValid(data4));
|
| // Test Quirk for Traxxas (bad name length, should be 0x11 is 0x14)
| const std::vector<uint8_t> data5{0x14, 0x09, 0x54, 0x51, 0x69, 0x20,
| 0x42, 0x4C, 0x45, 0x05, 0x12, 0x64,
| 0x00, 0xE8, 0x03, 0x02, 0x0A, 0x00};
| EXPECT_TRUE(AdvertiseDataParser::IsValid(data5));
|
| // Test Quirk for Traxxas (bad name length, should be 0x11 is 0x14)
| const std::vector<uint8_t> data6{0x14, 0x09, 0x54, 0x51, 0x69, 0x20,
| 0x42, 0x4C, 0x45, 0x05, 0x12, 0x60,
| 0x00, 0xE8, 0x03, 0x02, 0x0A, 0x00};
| EXPECT_TRUE(AdvertiseDataParser::IsValid(data6));
|
| // Test Quirk for Traxxas (bad length, should be 0x11 is 0x14)
| // scan response glued after advertise data
| const std::vector<uint8_t> data7{
| 0x02, 0x01, 0x06, 0x11, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00,
| 0x00, 0x64, 0xB1, 0x73, 0x41, 0xE7, 0xF3, 0xC4, 0xB4, 0x80,
| 0x08, 0x14, 0x09, 0x54, 0x51, 0x69, 0x20, 0x42, 0x4C, 0x45,
| 0x05, 0x12, 0x60, 0x00, 0xE8, 0x03, 0x02, 0x0A, 0x00};
| EXPECT_TRUE(AdvertiseDataParser::IsValid(data7));
| }
|
| TEST(AdvertiseDataParserTest, GetFieldByType) {
| // Single field.
| const std::vector<uint8_t> data0{0x03, 0x02, 0x01, 0x02};
|
| uint8_t p_length;
| const uint8_t* data =
| AdvertiseDataParser::GetFieldByType(data0, 0x02, &p_length);
| EXPECT_EQ(data0.data() + 2, data);
| EXPECT_EQ(2, p_length);
|
| // Two fields, second field length too long.
| const std::vector<uint8_t> data1{0x02, 0x02, 0x00, 0x03, 0x00};
|
| // First field is ok.
| data = AdvertiseDataParser::GetFieldByType(data1, 0x02, &p_length);
| EXPECT_EQ(data1.data() + 2, data);
| EXPECT_EQ(0x01, p_length);
|
| // Second field have bad length.
| data = AdvertiseDataParser::GetFieldByType(data1, 0x03, &p_length);
| EXPECT_EQ(nullptr, data);
| EXPECT_EQ(0, p_length);
| }
|
| // This test makes sure that RemoveTrailingZeros is working correctly. It does
| // run the RemoveTrailingZeros for ad data, then glue scan response at end of
| // it, and checks that the resulting data is good.
| TEST(AdvertiseDataParserTest, RemoveTrailingZeros) {
| std::vector<uint8_t> podo_ad_data{
| 0x02, 0x01, 0x02, 0x11, 0x06, 0x66, 0x9a, 0x0c, 0x20, 0x00, 0x08,
| 0x37, 0xa8, 0xe5, 0x11, 0x81, 0x8b, 0xd0, 0xf0, 0xf0, 0xf0, 0x00,
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
| std::vector<uint8_t> podo_scan_resp{
| 0x03, 0x19, 0x00, 0x80, 0x09, 0x09, 0x50, 0x6f, 0x64, 0x6f, 0x51,
| 0x35, 0x56, 0x47, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
|
| AdvertiseDataParser::RemoveTrailingZeros(podo_ad_data);
| AdvertiseDataParser::RemoveTrailingZeros(podo_scan_resp);
|
| std::vector<uint8_t> glued(podo_ad_data);
| glued.insert(glued.end(), podo_scan_resp.begin(), podo_scan_resp.end());
|
| EXPECT_TRUE(AdvertiseDataParser::IsValid(glued));
| }
|
| // This test makes sure that RemoveTrailingZeros is removing all bytes after
| // first zero length field. It does run the RemoveTrailingZeros for data with
| // non-zero bytes after zero length field, then glue scan response at end of it,
| // and checks that the resulting data is good. Note: specification requires all
| // bytes after zero length field to be zero padding, but many legacy devices got
| // this wrong, causing us to have this workaround.
| TEST(AdvertiseDataParserTest, RemoveTrailingZerosMalformed) {
| std::vector<uint8_t> ad_data{0x02, 0x01, 0x02, 0x11, 0x06, 0x66, 0x9a, 0x0c,
| 0x20, 0x00, 0x08, 0x37, 0xa8, 0xe5, 0x11, 0x81,
| 0x8b, 0xd0, 0xf0, 0xf0, 0xf0, 0x00, 0xFF, 0xFF,
| 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
| std::vector<uint8_t> scan_resp{0x03, 0x19, 0x00, 0x80, 0x09, 0x09, 0x50, 0x6f,
| 0x64, 0x6f, 0x51, 0x35, 0x56, 0x47, 0x00, 0xFF,
| 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
| 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
|
| AdvertiseDataParser::RemoveTrailingZeros(ad_data);
| AdvertiseDataParser::RemoveTrailingZeros(scan_resp);
|
| std::vector<uint8_t> glued(ad_data);
| glued.insert(glued.end(), scan_resp.begin(), scan_resp.end());
|
| EXPECT_TRUE(AdvertiseDataParser::IsValid(glued));
| }
|
|
